Microwave sludge drying treatment system

Abstract

The invention discloses a microwave sludge drying treatment system, and relates to the technical field of sludge treatment.The microwave sludge drying treatment system comprises a conveying belt penetrating through a microwave drying cavity, the conveying belt is provided with a uniform leveling mechanism, and the uniform leveling mechanism comprises a leveling assembly, a microwave drying assembly and a microwave drying assembly; a plurality of interval grooves are formed in one side edge of the cross beam plate, cutting units are arranged in the interval grooves in a matched mode, the cutting units can flush and cut off sludge in the interval grooves in the moving state, and the conveying belt provides driving force for movement of the cutting units in the running process. The uniform leveling mechanism is arranged on the conveying belt for feeding at the front end of the microwave drying cavity, so that on one hand, sludge particles can be located on the conveying belt at a proper thickness capable of ensuring complete penetration of microwaves, and on the other hand, generation of large sludge blocks can be avoided; the sludge particles can be favorably dried in an excellent and efficient manner when passing through the microwave drying cavity.

Description

Technical Field

[0001] The invention relates to the technical field of sludge treatment, in particular to a microwave sludge drying treatment system. Background Art

[0002] Sludge drying can greatly reduce the moisture content of sludge, reduce the volume and weight of sludge, and facilitate subsequent transportation and treatment. For example, the dried sludge can also be used as fertilizer, soil conditioner, building material and other recycling resources; There are various forms of sludge drying treatment, for example, the Chinese patent publication number is "CN105668975B", the name of the patent is "sludge microwave drying treatment method", the patent includes "firstly using heat treatment, and then using microwave treatment, can significantly reduce the moisture content of sludge", and the Chinese patent publication number is "CN204675978U", the name of the patent is "microwave sludge drying machine", the patent includes "sludge conveyor belt, sludge conveying drive mechanism, microwave action cavity and steam discharge device; the main part of the sludge conveyor belt passes through the microwave action cavity, and the microwaves emitted by the microwave action cavity are used to dry the sludge conveyed by the sludge conveyor belt"; In the above existing schemes, the sludge particles are dried by passing through the microwave action cavity through a conveyor belt. However, due to the limited penetration of microwaves, the thick stacking of sludge particles can easily affect the drying efficiency and effect. The common existing treatment method is to set a scraper on the conveyor belt, and adjust the interval distance between the scraper and the conveyor belt to allow the sludge particles to pass, so as to control the thickness of the sludge particles on the conveyor belt. However, the above scheme has the disadvantage that due to the high water content and low hardness of the sludge particles, the sludge particles also have a certain degree of stickiness, and the stacked sludge particles are prone to be squeezed and deformed when passing through the scraper, resulting in multiple sludge particles being squeezed and aggregated into large clumps, which is still not conducive to subsequent transportation and microwave drying. Summary of the invention

[0003] The purpose of the present invention is to provide a microwave sludge drying treatment system to solve the deficiencies in the above-mentioned prior art.

[0004] In order to achieve the above object, the present invention provides the following technical solutions: A microwave sludge drying treatment system comprises a conveyor belt penetrating a microwave drying cavity, wherein a uniform leveling mechanism is provided on the conveyor belt, and the uniform leveling mechanism comprises: A flush assembly, comprising a cross beam plate located above the conveyor belt, a plurality of spacing grooves being provided on one side of the cross beam plate, each of the spacing grooves being adapted to be provided with a cutting unit, each of the cutting units being able to flushly cut off the sludge in the spacing groove in a moving state; The transmission assembly comprises a bridge plate connected to each cutting unit, wherein the bridge plate is connected to the driving roller of the conveyor belt through a reciprocating driving unit, and the conveyor belt provides driving force for the movement of the cutting unit during operation.

[0005] Preferably, the plate surface of the bridge plate is parallel to the plate surface of the cross beam plate, and two through holes are movably penetrated at the end of the plate body of the bridge plate, and a guide rod is movably penetrated in each of the through holes, and support plates fixed to the cross beam plate are provided at both ends of the bridge plate, and each end of the guide rod is fixed to its corresponding support plate, and the bridge plate can perform horizontal reciprocating motion between the two support plates.

[0006] Preferably, the cutting unit includes a cutting rod located in the spacing groove, a vertical rod is rotatably installed on one end of the cutting rod, the top end of the vertical rod is fixed to the bridge plate, and a moving wheel that rolls on the crossbeam plate is rotatably installed on the bottom end of the vertical rod, the wheel axle of the moving wheel is coaxially fixed with the rod body of the cutting rod, and the cutting rod can be driven by the bridge plate to rotate and translate in the spacing groove.

[0007] Preferably, the cutting rod includes a gear rod fixed coaxially with the axle of the moving wheel, a sleeve is movably sleeved on the outer side of the gear rod, a through opening is opened on the tube body of the sleeve, a blade is movably inserted in the through opening, a tooth surface portion meshing with the gear rod is fixed on the side of the blade located in the sleeve, and the blade can switch its state according to the direction of the gear rod.

[0008] Preferably, a rolling board is arranged parallel to the bottom of the bridge plate, and the rolling board and the bridge plate are connected by a lifting assembly. When the bridge plate moves in a horizontal positive direction, the lifting assembly moves the rolling board toward the cross beam plate, and when the bridge plate moves in a horizontal reverse direction, the lifting assembly moves the rolling board away from the cross beam plate.

[0009] Preferably, the lifting assembly includes an internal threaded tube vertically connected to the top of the rolling board, a threaded rod is spirally inserted in the tube body of the internal threaded tube, the top end of the threaded rod movably passes through the bridge plate, and a rack portion is provided on the side of the guide rod, and a gear fixed to the threaded rod is meshed on the rack portion.

[0010] Preferably, the bottom end of the tube body of the internal threaded tube is movably inserted into the bottom of the rubbing and rolling board, a baffle is fixed to the bottom end of the internal threaded tube, a recessed groove for accommodating the baffle is provided at the bottom of the rubbing and rolling board, the bottom surface of the baffle is flush with the bottom surface of the rubbing and rolling board, and the top of the baffle is connected to the bottom of the recessed groove by a spring.

[0011] Preferably, a plurality of long openings are opened on the plate body of the cross beam plate, and the length direction line of each of the long openings is parallel to the moving direction line of the bridge plate.

[0012] Preferably, the reciprocating drive unit includes a driving shaft located above the bridge plate, both ends of the driving shaft are rotatably connected to the corresponding support plates, a tilting ring is fixedly sleeved on the rod body of the driving shaft, both sides of the tilting ring are provided with stop columns fixedly mounted on the bridge plate, a shaft sleeve in contact with the tilting ring is movably sleeved on the stop column, and both ends of the driving shaft are transmission-connected to the driving roller on the conveyor belt through a sprocket unit.

[0013] Preferably, a chamfered portion is provided on the groove wall surface of the spacing groove.

[0014] In the above technical scheme, a microwave sludge drying treatment system provided by the present invention, by arranging a uniform leveling mechanism on the conveyor belt feeding the material at the front end of the microwave drying cavity, can, on the one hand, make the sludge particles on the conveyor belt be in a suitable thickness on the conveyor belt when entering the microwave drying cavity, and on the other hand, can avoid the squeezing and stacking of sludge during the leveling process, prevent the generation of large sludge, ensure the stability of the sludge particle leveling process, and has a simple structure, which helps the sludge particles to achieve excellent and efficient drying effect when passing through the microwave drying cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A schematic diagram of a conveyor belt running through a microwave drying cavity of a microwave sludge drying treatment system of the present invention; Figure 2 It is a partially enlarged schematic diagram of a flush component of a microwave sludge drying treatment system of the present invention; Figure 3 It is a structural schematic diagram of a reciprocating drive unit of a microwave sludge drying treatment system of the present invention; Figure 4 For the present invention Figure 2 Schematic diagram of the cross section at AA of the middle bridge plate; Figure 5 This is a schematic diagram of a beam plate of a microwave sludge drying treatment system of the present invention; Figure 6 This is a schematic diagram of the spiral distribution of blades on a sleeve in a microwave sludge drying treatment system of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the cross section at BB in the middle.

[0017] Description of reference numerals: 1. Conveyor belt; 11. Driving roller; 2. Flush assembly; 21. Crossbeam plate; 22. Spacing groove; 23. Cutting unit; 231. Cutting rod; 2311. Tooth bar; 2312. Sleeve; 2313. Through-hole; 2314. Blade; 2315. Tooth surface; 232. Vertical rod; 233. Moving wheel; 24. Long strip mouth; 25. Inclined surface; 3. Transmission assembly; 31. Bridge plate; 32. Reciprocating drive unit ; 321, driving shaft; 322, tilting ring; 323, baffle column; 324, bushing; 325, sprocket unit; 33, through hole; 34, guide rod; 35, support plate; 36, rolling plate; 4, lifting assembly; 41, internal threaded tube; 42, threaded rod; 43, rack portion; 44, gear; 45, baffle; 46, recessed groove; 47, spring; 5, snap-in groove; 6, support wheel; 7, slide rail groove; 8, slider. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0019] See also Figure 1-Figure 7 The microwave sludge drying treatment system provided by the embodiment of the present invention comprises a conveyor belt 1 penetrating a microwave drying cavity, and a uniform leveling mechanism is provided on the conveyor belt 1, and the uniform leveling mechanism comprises: The flush assembly 2 includes a cross beam plate 21 located above the conveyor belt 1, and a plurality of spacing grooves 22 are provided on one side of the cross beam plate 21. Each spacing groove 22 is equipped with a cutting unit 23. Each cutting unit 23 can cut off the sludge in the spacing groove 22 in a flush manner when in motion; The transmission assembly 3 includes a bridge plate 31 connected to each cutting unit 23, the bridge plate 31 is connected to the driving roller 11 of the conveyor belt 1 through a reciprocating driving unit 32, and the conveyor belt 1 provides a driving force for the movement of the cutting unit 23 during operation; Specifically, the conveyor belt 1 is driven by a driving roller 11 on the conveying platform, so that the conveyor belt 1 can convey the sludge particles through the microwave drying cavity for drying. The cross beam plate 21 is a thin plate, and the surface of the cross beam plate 21 is parallel to the horizontal plane. The spacing value between the cross beam plate 21 and the conveying surface of the conveyor belt 1 is the thickness value of the sludge particles when being dried in the microwave drying cavity. The spacing between the cross beam plate 21 and the conveying surface of the conveyor belt 1 can be adjusted according to the penetration power of the microwave drying cavity, so as to achieve adaptation to sludge particles of different diameters. The plate surface of the cross beam 21 is parallel to the horizontal plane, and the opening direction of each spacing groove 22 is opposite to the conveying direction of the conveyor belt 1. The conveyor belt 1 can convey the sludge particles toward the spacing groove 22. The sludge particles on the conveyor belt 1 that are higher than the cross beam 21 will enter the corresponding spacing groove 22 along with the conveying, and then each cutting unit 23 can cut off the sludge in the spacing groove 22 in a flush manner in the moving state, so as to keep the height of the sludge particles on the conveyor belt 1 in a flush state. The groove wall surface of the spacing groove 22 is provided with an inclined portion 25. On the other hand, the cut sludge particles will reach the cross beam 21 through the inclined portion 25, so that when the sludge particles on the conveyor belt enter the microwave drying cavity, the sludge particles on the conveyor belt are in a suitable thickness on the conveyor belt that can ensure that the microwaves fully penetrate. On the other hand, it can avoid the sludge from being squeezed and stacked during the leveling process, prevent the generation of large sludge, and ensure the stability of the sludge particle leveling process. In addition, the structure is simple, which helps the sludge particles to achieve excellent and efficient drying effect when passing through the microwave drying cavity. In other words, the sludge particles are moved toward the microwave drying chamber through the conveyor belt 1, and a flushing component 2 composed of a crossbeam plate 21, a spacing groove 22, and a cutting unit 23 is arranged at the entrance of the microwave drying chamber. The flushing component 2 plays a flattening role on the sludge particles that are about to enter the microwave drying chamber, which is conducive to the sludge particles on the conveyor belt being at a suitable thickness that can ensure that the microwaves can fully penetrate; The cross beam 21 is arranged parallel to the position above the conveyor belt 1. When the sludge particles pass through the cross beam 21 through the conveyor belt 1, the part of the sludge particles higher than the cross beam 21 passes from above the cross beam 21, and the part of the sludge particles lower than the cross beam 21 passes between the cross beam 21 and the conveyor belt 1. Moreover, when the sludge particles pass through the cross beam plate 21, the sludge particles higher than the cross beam plate 21 are evenly dispersed into each spacing groove 22, so that the sludge particles are evenly divided, the cutting stroke of the sludge particles is shortened, and the cutting efficiency of the sludge particles is accelerated; The movement track of the cutting unit 23 is perpendicular to the movement path of the sludge particles on the horizontal plane, so that the moving cutting unit 23 cuts off the sludge in the spacing groove 22 flushly, so that the sludge particles in the upper and lower parts of the cross beam plate 21 can be quickly separated, which is conducive to improving the smoothness of the sludge particles when passing through the cross beam plate 21; It should be further explained that the motion state of the cutting unit 23 is reciprocating linear motion, the cutting stroke distance of the cutting unit 23 is adapted to the groove width distance of the spacing groove 22, and the cutting unit 23 is connected to the driving roller 11 of the conveyor belt 1 through the transmission component 3, and the transmission component 3 is composed of a bridge plate 31 and a reciprocating drive unit 32. The reciprocating drive unit 32 can transmit the power on the driving roller 11 of the conveyor belt 1 to the cutting unit 23, and enable the cutting unit 23 to maintain the motion trajectory in a reciprocating linear motion state.

[0020] In another embodiment provided by the present invention, the plate surface of the bridge plate 31 is parallel to the plate surface of the cross beam plate 21, the length direction and the movement direction of the bridge plate 31 are both eccentrically perpendicular to the movement direction line of the conveyor belt 1, two through holes 33 are movably penetrated at the plate end of the bridge plate 31, the length direction line of the through holes 33 is parallel to the length direction line of the bridge plate 31, a guide rod 34 is movably penetrated in each through hole 33, the two guide rods 34 are parallel to each other, a plurality of support wheels 6 are rotatably installed on the inner wall of the through hole 33, the wheel body of each support wheel 6 is in rolling contact with the rod body surface of the guide rod 34, thereby reducing the friction resistance between the guide rod 34 and the through hole 33, both ends of the guide rod 34 extend out of the through hole 33, both ends of the bridge plate 31 are provided with support plates 35 fixed to the cross beam plate 21, the ends of each guide rod 34 are fixed to their corresponding support plates 35, and the bridge plate 31 can undergo horizontal reciprocating motion between the two support plates 35; Among them, a plurality of snap-in grooves 5 are opened on the side of the plate body of the support plate 35, and the length direction line of each snap-in groove 5 is parallel to the horizontal plane. The snap-in groove 5 can be snap-fitted with the cross beam plate 21, so as to facilitate the adjustment of the distance between the cross beam plate 21 and the conveyor belt 1. The bottom end of the support plate 35 is fixed vertically to the conveyor belt 1 on the conveying platform. In actual use, when the bridge plate 31 moves back and forth, it drives the cutting unit 23 in the spacing groove 22 to move synchronously on the horizontal plane, so that the sludge in the spacing groove 22 can be cut off flushly.

[0021] In another embodiment provided by the present invention, the cutting unit 23 includes a cutting rod 231 located in the spacing groove 22, the length direction line of each cutting rod 23 is parallel to the conveying direction line of the conveyor belt 1, one end of the cutting rod 231 is rotatably mounted with a vertical rod 232, the length direction line of the vertical rod 232 is perpendicular to the horizontal plane, the top end of the vertical rod 232 is fixed to the bridge plate 31, the bottom end of the vertical rod 232 is rotatably mounted with a moving wheel 233 rolling on the cross beam plate 21, the wheel axle of the moving wheel 233 is coaxially fixed with the rod body of the cutting rod 231, and the cutting rod 231 can be driven by the bridge plate 31 and rotate and translate in the spacing groove 22; During actual use, the reciprocating motion of the bridging plate 31 drives the cutting rod 23 to move horizontally through the vertical rod 232. For example, when the bridging plate 31 moves forward, the vertical rod 232 moves forward along with the bridging plate 31, and the moving wheel 233 also rolls forward on the cross beam plate 21, thereby driving the cutting rod 231 to move horizontally forward in the spacing groove 22 while the cutting rod 231 also rotates forward, so that the sludge particles in the spacing groove 22 are squeezed and clamped off, and the sludge particles can also be affected by the milling cutting force generated by the rotation of the cutting rod 231, thereby improving the cutting effect of the sludge particles. That is to say, in the process of being cut, the sludge particles are not only affected by the horizontal squeezing and clamping force of the cutting rod 231, but also by the milling cutting force generated by the axial rotation of the cutting rod 231. With the coordinated cooperation of the two forces, the sludge particles can be effectively cut off.

[0022] In another embodiment of the present invention, the cutting rod 231 includes a toothed rod 2311 coaxially fixed with the axle of the moving wheel 233, a sleeve 2312 is movably sleeved on the outer side of the toothed rod 2311, a through hole 2313 is fixed on the tube body of the sleeve 2312, a blade 2314 is movably inserted in the through hole 2313, and a toothed surface 2315 meshing with the toothed rod 2311 is fixed on the side of the blade 2314 located in the sleeve 2312, and the toothed surface 2315 can be selected as a rack block, and the blade 2314 can be moved according to the direction of the toothed rod 2311. State switching, specifically, the length of the blade 2314 is greater than the diameter of the sleeve 2312, and the blade 2314 always has one end extending out of the through-opening 2313, for example, the two ends of the blade 2314 are respectively a first blade end and a second blade end, when the first blade end of the blade 2314 extends out of the through-opening 2313, the second blade end of the blade 2314 is located in the sleeve 2312, conversely, when the second blade end of the blade 2314 extends out of the through-opening 2313, the first blade end of the blade 2314 is located in the sleeve 2312; That is to say, when the cutting rod 231 rotates forward, the tooth bar 2311 also rotates forward. Since the sleeve 2312 is sleeved on the tooth bar 2311, at the moment when the tooth bar 2311 rotates forward, the sleeve 2312 maintains its original inertial static state, and the tooth bar 2311 transmits the driving force to the blade 2314 through the tooth surface 2315, so that the first blade end of the blade 2314 extends out of the through hole 2313, and the first blade end of the blade 2314 forms a milling edge on the surface of the sleeve 2312, which is conducive to milling and cutting the sludge particles. When the tooth surface 2315 contacts the inner wall of the sleeve 2312, the first blade end of the blade 2314 is in the maximum extension state. At this time, the sleeve 2312 also undergoes positive axial rotation under the transmission action of the blade 2314 and the tooth surface 2315, thereby generating a milling and cutting force on the sludge particles. Similarly, when the bridge plate 31 moves in the reverse direction, the cutting rod 231 rotates in the reverse direction. At the moment when the tooth bar 2311 rotates in the reverse direction, the sleeve 2312 maintains the original inertial forward rotation state. At this time, the tooth bar 2311 transmits the driving force to the blade 2314 through the tooth surface 2315, so that the second blade end of the blade 2314 forms a milling edge on the surface of the sleeve 2312, and the first blade end of the blade 2314 is retracted into the sleeve 2312. During the retraction process of the blade 2314, the sludge adhered to the first blade end of the blade 2314 is separated. Then, when the tooth surface 2315 contacts the inner wall of the sleeve 2312, the second blade end of the blade 2314 is in the maximum extension state. At this time, the sleeve 2312 also rotates in the reverse direction under the transmission action of the blade 2314 and the tooth surface 2315, thereby generating a milling cutting force on the sludge particles. That is to say, the rotation direction of the cutting rod 231 is always switched along with the movement direction of the bridging plate 31, and the sludge adhered to the blade 2314 of the cutting rod 231 is removed during the switching process, thereby maintaining a good cutting effect.

[0023] In another embodiment provided by the present invention, the sleeve 2312 is divided into a plurality of annular regions in the length direction, each annular region of the sleeve 2312 is provided with a through opening 2313, each through opening 2313 is movably plugged with a blade 2314, and each blade 2314 is fixed with a tooth surface portion 2315 formed by a rack block on the side. It should be particularly noted that the through opening 2313 is a long opening, and the angle between the length direction line of the through opening 2313 and the axis line of the sleeve 2312 is an acute angle, for example, the angle can be 5 degrees, 10 degrees, or 15 degrees, and the through openings 2313 on each annular region of the sleeve 2312 are arranged in a spiral on the sleeve 2312. That is to say, the part of each blade 2314 extending out of the sleeve 2312 forms a spirally distributed cutting edge on the outside of the sleeve 2312. In actual use, the sludge particles after being cut can be driven by the driving force of the spirally distributed cutting edge and move toward the cross beam plate 21, providing assistance for the cut sludge particles to move to the cross beam plate 21, and the spiral direction of the spirally distributed cutting edge can be changed according to the telescopic switching of the first blade end and the second blade end of the blade 2314, so that no matter whether the cutting rod 231 rotates forward or reverse, the driving force of the spirally distributed cutting edge on the cut sludge particles is always in the direction of the cross beam plate 21.

[0024] In another embodiment provided by the present invention, a rolling plate 36 is arranged parallel to the bottom of the bridge plate 31. The rolling plate 36 is a flat plate. The rolling plate 36 is located between the cross beam plate 21 and the bridge plate 31. The rolling plate 36 can reciprocate horizontally and lift vertically. Specifically, the rolling plate 36 and the bridge plate 31 are connected by a lifting assembly 4, so that the rolling plate 36 can move synchronously with the bridge plate 31 in the horizontal direction. When the bridge plate 31 moves in the horizontal positive direction, the lifting assembly 4 moves the rolling plate 36 toward the cross beam plate 21. When the bridge plate 31 moves in the horizontal reverse direction, the lifting assembly 4 moves the rolling plate 36 away from the cross beam plate 21. Furthermore, the lifting assembly 4 includes an internally threaded tube 41 vertically connected to the top of the rolling plate 36, a threaded rod 42 is spirally inserted into the tube body of the internally threaded tube 41, the top of the threaded rod 42 movably penetrates the bridge plate 31, a rack portion 43 is provided on the side of the guide rod 34, a gear 44 fixed to the threaded rod 42 is meshed on the rack portion 43, the bottom end of the tube body of the internally threaded tube 41 movably penetrates the bottom of the rolling plate 36, a slide rail groove 7 is provided on the outer surface of the internally threaded tube 41, and the length direction line of the slide rail groove 7 is parallel to the axis line of the internally threaded tube 41. A slider 8 fixed to the rolling plate 36 is slidably adapted in the slide rail groove 7, thereby ensuring that the internal threaded tube 41 cannot axially rotate on the rolling plate 36. A baffle 45 is fixed to the bottom end of the internal threaded tube 41. A recessed groove 46 for accommodating the baffle 45 is provided at the bottom of the rolling plate 36. The bottom surface of the baffle 45 is flush with the bottom surface of the rolling plate 36. The top of the baffle 45 is connected to the bottom of the recessed groove 46 by a spring 47. A plurality of long strip openings 24 are provided on the plate body of the crossbeam plate 21. The length direction line of each long strip opening 24 is parallel to the moving direction line of the bridge plate 31. In actual use, for example, when the bridge plate 31 is moving forward, the rolling plate 36 moves forward synchronously with the bridge plate 31 under the connection of the lifting assembly 4. In this process, the gear 44 rolls along the rack portion 43 to drive the threaded rod 42 to rotate axially, so that the internal threaded tube 41 moves linearly downward along the axis of the threaded rod 42. At this time, the sludge particles on the crossbeam plate 21 are kneaded and squeezed by the rolling plate 36 to form a cylindrical structure. As the bridge plate 31 continues to move forward, the sludge is kneaded and squeezed by the rolling plate 36 and cut into sections through the long strip opening 24, and finally falls back to the conveyor belt 1 through the long strip opening 24; It should be further explained that, during the squeezing process of the sludge particles by the rubbing and rolling plate 36, the rubbing and rolling plate 36 can also be subjected to the reaction force of the sludge particles and move upward to a certain extent, and the spring 47 undergoes a certain stretching deformation, thereby playing a certain role in relieving; When the bridge plate 31 moves in the reverse direction, the rolling plate 36 moves in the reverse direction synchronously with the bridge plate 31 under the connection of the lifting assembly 4. In this process, the gear 44 rolls along the rack portion 43 to drive the threaded rod 42 to rotate axially, so that the internal threaded tube 41 moves linearly upward along the axis of the threaded rod 42, so that the rolling plate 36 returns to its original height position; In another embodiment of the present invention, the reciprocating drive unit 32 includes a driving shaft rod 321 located above the bridge plate 31, the axis of the driving shaft rod 321 is parallel to the horizontal plane, both ends of the driving shaft rod 321 are rotatably connected to the corresponding support plates 35, a tilting ring 322 is fixedly sleeved on the rod body of the driving shaft rod 321, both sides of the tilting ring 322 are provided with blocking columns 323 fixedly installed with the bridge plate 31, and a shaft sleeve 324 in contact with the tilting ring 322 is movably sleeved on the blocking column 323, and both ends of the driving shaft rod 321 are respectively connected to the driving roller 11 on the conveyor belt 1 through a sprocket unit 325, and the sprocket unit 325 includes sprockets fixed to the ends of the driving shaft rod 321 and the driving roller 11 on the conveyor belt 1, and the two sprockets are connected to each other through a transmission chain. During actual use, the driving roller 11 on the conveyor belt 1 provides driving force for the axial rotation of the driving shaft 321 through the sprocket unit 325. The driving shaft 321 drives the tilting ring 322 to rotate during the axial rotation. The tilting ring 322 drives the bridge plate 31 to reciprocate in the forward and reverse directions through the blocking column 323 during the rotation, thereby forming a complete driving chain and providing continuous driving force for the reciprocating motion of the bridge plate 31.

[0025] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A microwave sludge drying treatment system, comprising a conveyor belt (1) passing through a microwave drying cavity, characterized in that: The conveyor belt (1) is provided with a uniform leveling mechanism, and the uniform leveling mechanism comprises: A flush assembly (2), comprising a cross beam (21) located above the conveyor belt (1), a plurality of spacing grooves (22) being provided on one side of the cross beam (21), each of the spacing grooves (22) being adapted to be provided with a cutting unit (23), each of the cutting units (23) being capable of flush cutting the sludge in the spacing groove (22) when in motion; A transmission assembly (3) comprises a bridge plate (31) connected to each cutting unit (23); the bridge plate (31) is connected to a driving roller (11) of a conveyor belt (1) via a reciprocating drive unit (32); and the conveyor belt (1) provides a driving force for the movement of the cutting unit (23) during operation.

2. A microwave sludge drying treatment system according to claim 1, characterized in that: The plate surface of the bridge plate (31) is parallel to the plate surface of the cross beam plate (21); two through holes (33) are movably penetrated at the end of the plate body of the bridge plate (31); a guide rail rod (34) is movably penetrated in each of the through holes (33); support plates (35) fixed to the cross beam plate (21) are provided at both ends of the bridge plate (31); the ends of each of the guide rail rods (34) are fixed to the corresponding support plates (35); and the bridge plate (31) can perform horizontal reciprocating motion between the two support plates (35).

3. A microwave sludge drying treatment system according to claim 2, characterized in that: The cutting unit (23) comprises a cutting rod (231) located in the spacing groove (22), a vertical rod (232) being rotatably mounted on one end of the cutting rod (231), the top end of the vertical rod (232) being fixed to the bridge plate (31), a moving wheel (233) rolling on the crossbeam plate (21) being rotatably mounted on the bottom end of the vertical rod (232), the wheel axle of the moving wheel (233) being coaxially fixed to the rod body of the cutting rod (231), and the cutting rod (231) being capable of receiving the drive of the bridge plate (31) to rotate and translate in the spacing groove (22).

4. A microwave sludge drying treatment system according to claim 3, characterized in that: The cutting rod (231) comprises a toothed rod (2311) fixed coaxially with the axle of the moving wheel (233); a sleeve (2312) is movably sleeved on the outer side of the toothed rod (2311); a through opening (2313) is provided on the tube body of the sleeve (2312); a blade (2314) is movably inserted in the through opening (2313); a toothed surface portion (2315) meshing with the toothed rod (2311) is fixed on the side surface of the blade (2314) located in the sleeve (2312); and the blade (2314) can switch states according to the direction of rotation of the toothed rod (2311).

5. A microwave sludge drying treatment system according to claim 4, characterized in that: A rolling plate (36) is arranged parallel to the bottom of the bridge plate (31); the rolling plate (36) and the bridge plate (31) are connected via a lifting assembly (4); when the bridge plate (31) moves in a horizontal positive direction, the lifting assembly (4) moves the rolling plate (36) toward the cross beam plate (21); and when the bridge plate (31) moves in a horizontal reverse direction, the lifting assembly (4) moves the rolling plate (36) away from the cross beam plate (21).

6. A microwave sludge drying treatment system according to claim 5, characterized in that: The lifting assembly (4) comprises an internally threaded tube (41) vertically connected to the top of the rolling plate (36); a threaded rod (42) is spirally inserted into the tube body of the internally threaded tube (41); the top end of the threaded rod (42) movably penetrates the bridge plate (31); a rack portion (43) is provided on the side of the guide rod (34); and a gear (44) is meshed with the rack portion (43) and fixed to the threaded rod (42).

7. A microwave sludge drying treatment system according to claim 6, characterized in that: The bottom end of the tube body of the internally threaded tube (41) movably penetrates the bottom of the rolling plate (36); a baffle (45) is fixed to the bottom end of the internally threaded tube (41); a recessed groove (46) for accommodating the baffle (45) is provided at the bottom of the rolling plate (36); the bottom surface of the baffle (45) is flush with the bottom surface of the rolling plate (36); and the top of the baffle (45) is connected to the bottom of the recessed groove (46) via a spring (47).

8. A microwave sludge drying treatment system according to claim 7, characterized in that: The cross beam plate (21) is provided with a plurality of long openings (24) on its plate body, and the length direction line of each of the long openings (24) is parallel to the moving direction line of the bridge plate (31).

9. A microwave sludge drying treatment system according to claim 8, characterized in that: The reciprocating drive unit (32) comprises a drive shaft (321) located above the bridge plate (31), both ends of the drive shaft (321) being rotatably connected to corresponding support plates (35), a tilting ring (322) being fixedly sleeved on the rod body of the drive shaft (321), both sides of the tilting ring (322) being provided with stop columns (323) fixedly mounted on the bridge plate (31), a shaft sleeve (324) in contact with the tilting ring (322) being movably sleeved on the stop column (323), and both ends of the drive shaft (321) being transmission-connected to a drive roller (11) on the conveyor belt (1) via a sprocket unit (325).

10. A microwave sludge drying treatment system according to claim 9, characterized in that: An inclined portion (25) is provided on the groove wall surface of the spacing groove (22).

Images