Dehydration and solidification integrated equipment and method for resourceful treatment of pickling sludge

Abstract

The invention discloses dewatering and curing integrated equipment and method for resourceful treatment of pickled sludge, and belongs to the technical field of sludge treatment. The equipment comprises an equipment box body, and a dehydration assembly and a curing assembly which are arranged in the equipment box body; the dehydration assembly is used for carrying out dehydration treatment on the pickled sludge, so that salt and acidic substances in the pickled sludge are separated; the curing assembly is used for drying and curing the dewatered pickling sludge, so that metal components in the pickling sludge are fixed; the equipment is reasonable in structural design, acid pickling sludge is dried in a microwave heating mode, and the problems that land is occupied by the acid pickling sludge and the environment is polluted are solved; and after the acid pickling sludge is solidified, metal substances in the sludge are effectively fixed, subsequent separation and utilization of the metal substances in the sludge are facilitated, reduction, recycling and harmless treatment of the acid pickling sludge are achieved, and the method is suitable for application and popularization.

Description

Technical Field

[0001] The present invention relates to the technical field of sludge treatment, and in particular to a dehydration and solidification integrated device and method for pickling sludge resource treatment. Background Art

[0002] Pickling is an important process in the metal surface treatment industry and the steel industry. Pickling can remove iron oxide on the surface of steel or metal processing products, improve the quality of the steel surface structure, and make the metal surface clean. The remaining pickling waste liquid after pickling needs to be treated before it can be discharged. The most commonly used method is lime neutralization, which directly adds slaked lime to the wastewater. This method will produce a large amount of sludge with high metal ion content, which is difficult to subsequently treat. It is a hazardous solid waste and occupies a large amount of land area. The recycling of pickling sludge is becoming more and more important.

[0003] Pyrometallurgical reduction is the pickling sludge resource utilization equipment with the widest application range and the most technically reliable at present; however, in the existing technology, the pickling sludge pyrometallurgical reduction equipment is relatively complex, the equipment investment and operating costs are high, the pickling sludge reduction is not thorough, and the evaporated products must be condensed, deodorized and other measures are taken, and the overall cost is relatively high; at the same time, a large amount of greenhouse gases and sulfur dioxide are also produced during the pyrometallurgical reduction process, which can easily cause environmental pollution problems. Summary of the invention

[0004] In view of the above-mentioned technical problems, the present invention provides an integrated dehydration and solidification device and method for pickling sludge resource processing.

[0005] The technical scheme of the present invention is: a dehydration and solidification integrated equipment for pickling sludge resource treatment, comprising an equipment box and a dehydration component and a solidification component arranged inside the equipment box; an expansion box is sleeved at the lower position of the outer wall of the equipment box, and an isolation sleeve is sleeved inside the expansion box; a guide pipe is penetrated through the top of the equipment box; a feed pipe is arranged at the top of the equipment box, and a mud discharge pipe is arranged at the bottom that penetrates the isolation sleeve and the expansion box in sequence; The dehydration assembly includes a centrifugal bucket rotatably connected to the upper end of the equipment box and sleeved on the outside of the guide tube, a centrifugal motor arranged on the outer wall of the equipment box and providing rotational power for the centrifugal bucket, a release plate slidably connected to the equipment box and located below the centrifugal bucket, and a first electric rod arranged in the guide tube and capable of being connected to the release plate; the centrifugal bucket is rotatably connected to the guide tube, a gear groove is arranged on the outer wall of the centrifugal bucket, and a through hole is penetrated at the bottom end of the centrifugal bucket; the output shaft of the centrifugal motor penetrates the equipment box and is connected to the output shaft with a first bevel gear meshing with the gear groove; a water collecting box is arranged on the lower bottom surface of the release plate, and a sewage pipe that penetrates the equipment box and is slidably connected to the equipment box is arranged on the water collecting box; a discharge plate that can be slidably connected to the first electric rod is slidably connected to the guide tube; The curing assembly includes a receiving tray arranged at the lower end of the equipment box, several waveguides equidistantly distributed on the receiving tray, and a magnetron sleeved on the outer wall of the isolation sleeve; each waveguide end is provided with a conductive rod that penetrates the equipment box and is connected to the magnetron.

[0006] Furthermore, a support frame is arranged at the top of the equipment box, and the guide tube is fixedly connected to the support frame; a top cover is arranged at the opening of the upper end of the equipment box and is sleeved on the outside of the guide tube, and a lifting frame is arranged at the top of the top cover and is slidably engaged with the support frame; a second electric rod connected to the lifting frame is arranged inside the guide tube; a feed tube is arranged on the top cover; an ultrasonic stirring assembly is arranged on the top cover; Description: After the pickling sludge and clean water are injected into the centrifugal bucket, the ultrasonic stirring component is used to continuously stir the sludge to homogenize the sludge, which is conducive to the full dissolution of the salt in the pickling sludge; then the second electric rod is used to push the lifting frame to move upward along the support frame, so that the top cover drives the ultrasonic stirring component to separate from the equipment box.

[0007] Furthermore, the ultrasonic stirring assembly includes an ultrasonic generator arranged on the upper end surface of the top cover, an ultrasonic transducer plate arranged on the lower bottom surface of the top cover and connected to the ultrasonic generator, and a plurality of ultrasonic vibrating rods equidistantly distributed on the lower bottom surface of the ultrasonic transducer plate; Description: The ultrasonic generator is used to transmit the electrical signal to the ultrasonic transducer plate, which is used to convert the electrical signal into mechanical energy and transmit it to the ultrasonic vibrator. The high-frequency vibration generated by the ultrasonic vibrator is used to stir the pickling sludge and clean water; the frequency of the ultrasonic generator is 20~35kHz.

[0008] Furthermore, a plurality of discharge plates are provided, each of which is equidistantly distributed on the inner side wall of the guide tube along the circumferential direction, and a slot is provided on the guide tube at a position corresponding to each discharge plate; a positioning rod is provided on the inner side wall of the guide tube and is movably connected to each discharge plate in a one-to-one correspondence, and each positioning rod is sleeved with a first return spring; a first push seat connected to each discharge plate is provided inside the guide tube; a first electric rod penetrates the first push seat, and a chuck capable of abutting against the lower bottom surface of the first push seat is provided at the bottom end of the first electric rod; Description: When the first electric rod is retracted, the chuck is engaged with the first push seat, and each discharge plate is pulled to move upward along the positioning rod and detach from the groove, so that the pickling sludge enters the bottom of the equipment box through the groove.

[0009] Furthermore, a second push seat connected to the release disk is slidably engaged inside the guide tube, and a second return spring abutting against the inner wall of the guide tube is provided on the lower bottom surface of the second push seat; the chuck can abut against the upper end surface of the second push seat; Note: When the first electric rod is extended, the chuck presses down the second push seat, so that the release plate moves downward along the guide tube.

[0010] Furthermore, a motor box is provided at the bottom end of the equipment box, and several receiving trays are provided, and the several receiving trays are equidistantly distributed at the lower end of the equipment box from top to bottom; each receiving tray is penetrated by a blanking hole; each waveguide tube is rotatably clamped on the corresponding receiving tray; the outside of each conductive rod is sleeved with an outer sleeve fixedly connected to the waveguide tube at the corresponding position and rotatably clamped with the equipment box, and each outer sleeve is sleeved with a second bevel gear; a bevel gear ring meshingly connected to the second bevel gear at the corresponding position is rotatably clamped on the outer side wall of the equipment box, and a spur gear ring is sleeved on the outer side wall of the bevel gear ring; a driving motor is provided inside the motor box, and a linkage gear disk is connected to the output shaft of the driving motor, and a rotating vertical shaft is rotatably clamped on the motor box, and a first spur gear meshingly connected to the linkage gear disk is connected to the bottom end of the rotating vertical shaft, and a second spur gear meshingly connected to each spur gear ring is sleeved on the rotating vertical shaft; the number of magnetrons corresponds to the number of receiving trays; Description: The pickling sludge first falls onto the receiving tray at the top of the equipment box, and the driving motor is used to drive the linkage gear plate to rotate. The meshing action of the linkage gear plate and the first spur gear makes the rotating vertical shaft and the second spur gear rotate synchronously. At this time, the bevel gear ring rotates under the meshing action of the second spur gear and the spur gear ring, and drives the corresponding second bevel gear to rotate, and finally makes each waveguide rotate inside the corresponding receiving tray. During the heating process of the pickling sludge, under the action of the rotation of the waveguide, it falls through the drop hole on the receiving tray at the top of the equipment box to the next receiving tray, realizing the step-by-step heating of the pickling sludge, which is beneficial to improve the solidification efficiency of the pickling sludge.

[0011] Furthermore, a conical material guide platform and a circulating material pipe are arranged at the bottom of the equipment box. The circulating material pipe passes through each receiving plate in sequence. A material leveling platform located below the guide pipe is arranged at the top of the circulating material pipe. A circulating material discharge hole is arranged at the upper end of the circulating material pipe, and a circulating material feed hole is arranged at the bottom end. A feeding spiral connected to the output shaft of the driving motor is rotatably clamped inside the circulating material pipe. Description: The driving motor is used to drive the feeding screw to rotate, so that the pickling sludge at the bottom of the equipment box is moved to the circulating feed hole under the action of the conical guide table, and driven by the feeding screw, it enters the receiving tray at the top of the equipment box again through the circulating discharge hole, realizing the circulating heating of the pickling sludge, which is beneficial to improve the solidification effect of the pickling sludge.

[0012] Furthermore, the outer sleeve of the waveguide is provided with a metal protective mesh sleeve; Note: By installing a metal protective mesh sleeve on the outside of the waveguide, it is helpful to reduce the wear of the waveguide during rotation and improve the stability of the waveguide.

[0013] The present invention also provides a dehydration and solidification method for pickling sludge resource treatment, based on the above-mentioned dehydration and solidification integrated equipment for pickling sludge resource treatment, comprising the following steps: S1. Inject the pickling sludge into the centrifugal bucket through the feed pipe, and inject clean water into the pickling sludge through the feed pipe to dissolve the salt and acidic substances in the pickling sludge in the clean water; wherein the volume ratio of clean water to pickling sludge is 4-6:1; S2, using the first electric rod to drive the release plate to move downward along the inner wall of the equipment box; then using the centrifugal motor to drive the first bevel gear to rotate, and using the meshing action of the first bevel gear and the gear groove to make the centrifugal bucket rotate inside the equipment box, and centrifugally dehydrate the pickling sludge. The sewage in the pickling sludge carries salt and acidic substances into the water collecting tank at the bottom of the release plate through the through hole on the centrifugal bucket, and is finally discharged through the sewage pipe; S3, using the first electric rod to drive the discharge plate to move upward along the guide tube, so that the dehydrated sludge falls into the receiving tray, and then using the magnetron to convert electrical energy into microwaves, the microwaves are transmitted to the waveguide through the conductive rod, and the microwave energy is transmitted to the dehydrated sludge by the waveguide, and the sludge is heated to 90-120°C by the microwave energy, so that the water in the sludge is further evaporated and solid sludge is finally formed, so that the metal substances in the pickling sludge are fixed; wherein, the microwave frequency of the magnetron is 300-550MHz; S4. Discharge the solid sludge through the sludge discharge pipe.

[0014] Compared with the prior art, the beneficial effects of the present invention are embodied in the following aspects: First, the equipment structure of the present invention is reasonably designed. By introducing clean water into the pickling sludge and using an ultrasonic stirring component to stir the pickling sludge and the clean water, the salt and acidic substances in the pickling sludge can be fully dissolved in the clean water and discharged from the equipment during the centrifugation process, which effectively solves the soil and groundwater pollution problems caused by the leachate in the pickling sludge. Second, the present invention uses microwave heating to dry the pickling sludge, which reduces the land occupation and environmental pollution caused by the pickling sludge; and after the pickling sludge is solidified, the metal substances in the sludge are effectively fixed, which is convenient for the subsequent separation and utilization of the metal substances in the sludge, thereby realizing the reduction, resource utilization and harmless treatment of the pickling sludge; Third, the present invention can carry out cyclic drying treatment on the pickling sludge inside the equipment box, effectively prolonging the drying time of the pickling sludge, improving the solidification efficiency of the pickling sludge, and also reducing the energy consumption of the equipment, which has significant economic, environmental and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1is a longitudinal sectional view of the apparatus of the present invention; Figure 2 is a front view of the device of the present invention; Figure 3 The present invention Figure 1 A local enlarged schematic diagram of the middle A; Figure 4 It is a schematic diagram of the connection between the release plate and the equipment box of the present invention; Figure 5 It is a schematic diagram of the connection between the discharge plate and the guide tube of the present invention; Figure 6 It is a schematic diagram of the connection between the unloading plate and the first electric rod of the present invention; Figure 7 It is a schematic diagram of the connection between the curing assembly and the equipment box of the present invention; Figure 8 It is a schematic diagram of the structure of the waveguide of the present invention; Fig. 9 The present invention Figure 1 A partial enlarged schematic diagram of point B in the middle; Fig.10 is a distribution diagram of the ultrasonic vibrating rods of the present invention on the ultrasonic transducer plate; Among them, 1-equipment box, 10-extension box, 11-isolation sleeve, 12-guide tube, 120-slot, 13-feeding pipe, 14-mud discharge pipe, 15-support frame, 16-top cover, 160-lifting frame, 161-second electric rod, 17-motor box, 2-dehydration assembly, 20-centrifugal bucket, 200-gear groove, 21-centrifugal motor, 210-first bevel gear, 22-release plate, 220-water collecting box, 221-drain pipe, 222-second push seat, 223-second return spring, 23-first electric rod, 230-chuck, 24-discharge plate, 240-positioning rod, 241-first return spring, 242-first push Seat, 3-curing assembly, 30-receiving tray, 300-dropping hole, 31-waveguide tube, 310-conductive rod, 311-outer sleeve, 312-second bevel gear, 313-metal protective mesh sleeve, 32-magnetron, 33-bevel gear ring, 330-spur gear ring, 34-drive motor, 340-linked gear plate, 35-rotating vertical shaft, 350-first straight gear, 351-second spur gear, 36-conical material guide table, 37-circulating material pipe, 370-mixing table, 371-circulating discharge hole, 372-circulating feed hole, 38-feeding spiral, 4-ultrasonic stirring assembly, 40-ultrasonic generator, 41-ultrasonic transducer plate, 42-ultrasonic vibration rod. DETAILED DESCRIPTION

[0016] Example 1: Figure 1 , Figure 2The dehydration and solidification integrated equipment for pickling sludge resource treatment shown in the figure comprises an equipment box 1 and a dehydration component 2 and a solidification component 3 arranged inside the equipment box 1; an expansion box 10 is sleeved at the lower position of the outer wall of the equipment box 1, and an isolation sleeve 11 is sleeved inside the expansion box 10; a guide pipe 12 is penetrated through the top of the equipment box 1; a feed pipe 13 is provided at the top of the equipment box 1, and a mud discharge pipe 14 is provided at the bottom, which penetrates the isolation sleeve 11 and the expansion box 10 in sequence; like Figure 1 , Figure 3 , Figure 5 As shown, the dehydration assembly 2 includes a centrifugal bucket 20 that is rotatably connected to the upper end of the equipment box 1 and sleeved on the outside of the guide tube 12, a centrifugal motor 21 that is arranged on the outer wall of the equipment box 1 and provides rotational power for the centrifugal bucket 20, a release plate 22 that is slidably connected to the inside of the equipment box 1 and located below the centrifugal bucket 20, and a first electric rod 23 that is arranged in the inside of the guide tube 12 and can be connected to the release plate 22; the centrifugal bucket 20 is rotatably connected to the guide tube 12, and the outer wall of the centrifugal bucket 20 is provided with The gear groove 200 and the bottom end of the centrifugal bucket 20 are penetrated by a through hole (not shown in the figure); the output shaft of the centrifugal motor 21 penetrates the equipment housing 1 and is connected to a first bevel gear 210 meshing with the gear groove 200; a water collecting box 220 is provided on the bottom surface of the release plate 22, and a sewage pipe 221 penetrating the equipment housing 1 and slidingly engaged with the equipment housing 1 is provided on the water collecting box 220; a discharge plate 24 that can be slidably engaged with the first electric rod 23 is slidably engaged on the guide tube 12; like Figure 1 , Figure 7 As shown, the curing assembly 3 includes a receiving tray 30 arranged at the lower end of the equipment box 1, 8 waveguides 31 equidistantly distributed on the receiving tray 30, and a magnetron 32 sleeved on the outer wall of the isolation sleeve 11; the end of each waveguide 31 is provided with a conductive rod 310 that passes through the equipment box 1 and is connected to the magnetron 32.

[0017] Embodiment 2: This embodiment describes a dehydration and solidification method for pickling sludge resource treatment, based on an integrated dehydration and solidification device for pickling sludge resource treatment in Embodiment 1, comprising the following steps: S1, injecting the pickling sludge into the centrifugal bucket 20 through the feed pipe 13, and injecting clean water into the pickling sludge through the feed pipe 13, so that the salt and acidic substances in the pickling sludge are dissolved in the clean water; wherein the volume ratio of the clean water to the pickling sludge is 4:1; S2, using the first electric rod 23 to drive the release plate 22 to move downward along the inner wall of the equipment box 1; then using the centrifugal motor 21 to drive the first bevel gear 210 to rotate, and using the meshing action of the first bevel gear 210 and the gear groove 200 to make the centrifugal bucket 20 rotate inside the equipment box 1, and the pickling sludge is centrifugally dehydrated. The sewage in the pickling sludge carries salt and acidic substances into the water collecting tank 220 at the bottom of the release plate 22 through the through hole on the centrifugal bucket 20, and is finally discharged through the sewage pipe 221; S3, using the first electric rod 23 to drive the discharge plate 24 to move upward along the guide tube 12, so that the dehydrated sludge falls into the receiving tray 30, and then using the magnetron 32 to convert electrical energy into microwaves, the microwaves are transmitted to the waveguide 31 through the conductive rod 310, and the microwave energy is transmitted to the dehydrated sludge by the waveguide 31, and the sludge is heated to 90°C by the microwave energy, so that the water in the sludge is further evaporated and solid sludge is finally formed, so that the metal substances in the pickling sludge are fixed; wherein, the microwave frequency of the magnetron 32 is 300MHz; S4. Discharge the solid sludge through the sludge discharge pipe 14.

[0018] Embodiment 3: This embodiment is different from Embodiment 1 in that 12 waveguide tubes 31 are provided.

[0019] Embodiment 4: This embodiment differs from Embodiment 1 in that Figure 1 , Figure 2 , Fig.10 As shown, a support frame 15 is provided at the top of the equipment box 1, and the guide tube 12 is fixedly connected to the support frame 15; a top cover 16 which is sleeved on the outside of the guide tube 12 is provided at the upper opening of the equipment box 1, and a lifting frame 160 which is slidably engaged with the support frame 15 is provided at the top of the top cover 16; a second electric rod 161 connected to the lifting frame 160 is provided inside the guide tube 12; the feed pipe 13 is provided on the top cover 16; an ultrasonic stirring assembly 4 is provided on the top cover 16; the ultrasonic stirring assembly 4 includes an ultrasonic generator 40 arranged on the upper end surface of the top cover 16, an ultrasonic transducer plate 41 arranged on the lower bottom surface of the top cover 16 and connected to the ultrasonic generator 40, and 24 ultrasonic vibration rods 42 equidistantly distributed on the lower bottom surface of the ultrasonic transducer plate 41.

[0020] Example 5: This example describes a dehydration and solidification method for pickling sludge resource treatment, which is based on an integrated dehydration and solidification device for pickling sludge resource treatment in Example 4. The difference from Example 2 is that: In step S1, after the pickling sludge and clean water are injected into the centrifugal bucket 20, the ultrasonic generator 40 is used to transmit the electrical signal to the ultrasonic transducer plate 41, and the ultrasonic transducer plate 41 is used to convert the electrical signal into mechanical energy and transmit it to the ultrasonic vibration rod 42, and the high-frequency vibration generated by the ultrasonic vibration rod 42 is used to stir the pickling sludge and clean water; wherein the frequency of the ultrasonic generator 40 is 20kHz; then the second electric rod 161 is used to push the lifting frame 160 to move upward along the support frame 15, so that the top cover 16 drives the ultrasonic stirring assembly 4 to separate from the equipment box 1; the volume ratio of clean water to pickling sludge is 6:1; In step S3, the sludge heating temperature is 120°C, and the microwave frequency of the magnetron 32 is 550 MHz.

[0021] Embodiment 6: This embodiment is different from Embodiment 4 in that 30 ultrasonic vibration rods 42 are provided.

[0022] Embodiment 7: This embodiment differs from Embodiment 4 in that Figure 4 , Figure 5 , Figure 6 As shown, four discharge plates 24 are provided, and each discharge plate 24 is equidistantly distributed on the inner wall of the guide tube 12 along the circumferential direction, and slots 120 are provided on the guide tube 12 at positions corresponding to the positions of each discharge plate 24; a positioning rod 240 is provided on the inner wall of the guide tube 12, which is movably plugged in one-to-one with each discharge plate 24, and each positioning rod 240 is sleeved with a first return spring 241; a first push seat 242 connected to each discharge plate 24 is provided inside the guide tube 12; the first electric rod 23 passes through the first push seat 242, and a chuck 230 capable of abutting against the lower bottom surface of the first push seat 242 is provided at the bottom end of the first electric rod 23; a second push seat 222 connected to the release disk 22 is slidably clamped inside the guide tube 12, and a second return spring 223 abutting against the inner wall of the guide tube 12 is provided on the lower bottom surface of the second push seat 222; the chuck 230 can abut against the upper end surface of the second push seat 222.

[0023] Example 8: This example describes a dehydration and solidification method for pickling sludge resource treatment, which is based on an integrated dehydration and solidification device for pickling sludge resource treatment in Example 7. The difference from Example 5 is that: In step S1, the frequency of the ultrasonic generator 40 is 35kHz; In step S2, when the release plate 22 moves, the first electric rod 23 extends, and the chuck 230 presses down the second push seat 222, so that the release plate 22 moves downward along the guide tube 12; In step S3, when the discharge plate 24 is opened, the first electric rod 23 contracts, the chuck 230 is engaged with the first push seat 242, and each discharge plate 24 is pulled upward along the positioning rod 240 and separated from the groove 120, so that the pickling sludge enters the bottom of the equipment box 1 through the groove 120.

[0024] Embodiment 9: This embodiment is different from Embodiment 7 in that eight discharge plates 24 are provided.

[0025] Embodiment 10: This embodiment differs from Embodiment 7 in that Figure 1 , Figure 7 , Figure 8 , Fig. 9 As shown, a motor box 17 is provided at the bottom of the equipment box 1, and three receiving trays 30 are provided. The three receiving trays 30 are evenly distributed at the lower end of the interior of the equipment box 1 from top to bottom; each receiving tray 30 is penetrated by a blanking hole 300; each waveguide 31 is rotatably clamped on the corresponding receiving tray 30; each conductive rod 310 is externally sleeved with an outer sleeve 311 fixedly connected to the waveguide 31 at the corresponding position and rotatably clamped with the equipment box 1, and each outer sleeve 311 is sleeved with a second bevel gear 312; the outer wall of the equipment box 1 is rotatably clamped with a corresponding position The second bevel gear 312 at the position is meshed with a bevel gear ring 33, and a spur gear ring 330 is sleeved on the outer wall of the bevel gear ring 33; a drive motor 34 is arranged inside the motor box 17, and a linkage gear plate 340 is connected to the output shaft of the drive motor 34, and a rotating vertical shaft 35 is rotatably connected to the motor box 17, and a first spur gear 350 meshed with the linkage gear plate 340 is connected to the bottom end of the rotating vertical shaft 35, and a second spur gear 351 meshed with each spur gear ring 330 is sleeved on the rotating vertical shaft 35; the number of magnetrons 32 corresponds to the number of receiving trays 30.

[0026] Example 11: This example describes a dehydration and solidification method for pickling sludge resource treatment, which is based on an integrated dehydration and solidification device for pickling sludge resource treatment in Example 10, and differs from Example 8 in that: In step S3, the pickling sludge first falls onto the receiving tray 30 at the top of the equipment case 1, and the driving motor 34 is used to drive the interlocking gear plate 340 to rotate. The meshing action of the interlocking gear plate 340 and the first spur gear 350 makes the rotating vertical shaft 35 and the second spur gear 351 rotate synchronously. At this time, the bevel gear ring 33 rotates under the meshing action of the second spur gear 351 and the spur gear ring 330, and drives the corresponding second bevel gear 312 to rotate, and finally makes each waveguide tube 31 rotate inside the corresponding receiving tray 30. During the heating process of the pickling sludge, under the rotation action of the waveguide tube 31, it falls to the next receiving tray 30 through the drop hole 300 on the receiving tray 30 at the top of the equipment case 1.

[0027] Embodiment 12: This embodiment is different from Embodiment 10 in that five receiving trays 30 are provided.

[0028] Embodiment 13: This embodiment differs from Embodiment 10 in that Figure 1 As shown, a conical material guide platform 36 and a circulating material pipe 37 are provided at the bottom of the equipment box 1. The circulating material pipe 37 passes through each receiving plate 30 in sequence. A material leveling platform 370 located below the guide tube 12 is provided at the top of the circulating material pipe 37. A circulating material discharge hole 371 is penetrated at the upper end of the circulating material pipe 37, and a circulating material feed hole 372 is penetrated at the bottom end. A feeding screw 38 connected to the output shaft of the driving motor 34 is rotatably clamped inside the circulating material pipe 37.

[0029] Example 14: This example describes a dehydration and solidification method for pickling sludge resource treatment, which is based on an integrated dehydration and solidification device for pickling sludge resource treatment in Example 13, and differs from Example 11 in that: In step S3, the driving motor 34 is used to drive the feeding screw 38 to rotate, so that the pickling sludge at the bottom of the equipment box 1 moves to the circulating feed hole 372 under the action of the conical guide platform 36, and enters the receiving tray 30 at the top of the equipment box 1 again through the circulating discharge hole 371 under the driving action of the feeding screw 38, thereby realizing the circulating heating of the pickling sludge.

[0030] Embodiment 15: This embodiment differs from Embodiment 13 in that Figure 8 As shown, the outer cover of the waveguide 31 is provided with a metal protective mesh cover 313 .

[0031] It should be noted that the second electric rod 161, the centrifugal motor 21, the first electric rod 23, the waveguide tube 31, the conductive rod 310, the magnetron 32, the drive motor 34, the ultrasonic generator 40, the ultrasonic transducer plate 41 and the ultrasonic vibration rod 42 used in the present invention all adopt existing technologies and are not specifically limited here. Those skilled in the art can select corresponding products according to actual needs.

Claims

1. A dehydration and solidification integrated equipment for pickling sludge resource treatment, characterized in that: The device comprises an equipment box (1) and a dehydration component (2) and a solidification component (3) arranged inside the equipment box (1); an expansion box (10) is sleeved at the lower position of the outer wall of the equipment box (1), and an isolation sleeve (11) is sleeved inside the expansion box (10); a guide pipe (12) is penetrated through the top of the equipment box (1); a feed pipe (13) is arranged at the top of the equipment box (1), and a mud discharge pipe (14) is arranged at the bottom, which penetrates the isolation sleeve (11) and the expansion box (10) in sequence; The dehydration assembly (2) comprises a centrifugal bucket (20) rotatably engaged with the upper end of the interior of the equipment housing (1) and sleeved on the exterior of the guide tube (12), a centrifugal motor (21) disposed on the outer wall of the equipment housing (1) and providing rotational power for the centrifugal bucket (20), a release plate (22) slidably engaged with the interior of the equipment housing (1) and located below the centrifugal bucket (20), and a first electric rod (23) disposed inside the guide tube (12) and capable of being engaged with the release plate (22); the centrifugal bucket (20) is rotatably engaged with the guide tube (12), and a centrifugal motor (21) is disposed on the outer wall of the centrifugal bucket (20) and provides rotational power for the centrifugal bucket (20). A gear groove (200) is provided, and a through hole is provided at the bottom end of the centrifugal bucket (20); the output shaft of the centrifugal motor (21) passes through the equipment housing (1), and the output shaft is connected to a first bevel gear (210) meshing with the gear groove (200); a water collecting box (220) is provided on the bottom surface of the release plate (22), and a sewage pipe (221) is provided on the water collecting box (220) that passes through the equipment housing (1) and is slidably engaged with the equipment housing (1); a discharge plate (24) that can be slidably engaged with the first electric rod (23) is slidably engaged with the guide tube (12); The curing assembly (3) comprises a material receiving tray (30) arranged at the lower end of the interior of the equipment box (1), a plurality of waveguides (31) equidistantly distributed on the material receiving tray (30), and a magnetron (32) sleeved on the outer wall of the isolation sleeve (11); each end of the waveguide (31) is provided with a conductive rod (310) which passes through the equipment box (1) and is connected to the magnetron (32).

2. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 1 is characterized in that: A support frame (15) is arranged at the top of the equipment box (1), and the guide tube (12) is fixedly connected to the support frame (15); a top cover (16) sleeved on the outside of the guide tube (12) is arranged at the upper opening of the equipment box (1), and a lifting frame (160) slidably engaged with the support frame (15) is arranged at the top of the top cover (16); a second electric rod (161) connected to the lifting frame (160) is arranged inside the guide tube (12); the feed tube (13) is arranged on the top cover (16); and an ultrasonic stirring assembly (4) is arranged on the top cover (16).

3. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 2 is characterized in that: The ultrasonic stirring assembly (4) comprises an ultrasonic generator (40) arranged on the upper end surface of the top cover (16), an ultrasonic transducer plate (41) arranged on the lower bottom surface of the top cover (16) and connected to the ultrasonic generator (40), and a plurality of ultrasonic vibration rods (42) equidistantly distributed on the lower bottom surface of the ultrasonic transducer plate (41).

4. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 1 is characterized in that: A plurality of discharge plates (24) are provided, each of the discharge plates (24) is equidistantly distributed along the circumferential direction on the inner side wall of the guide tube (12), and slots (120) are provided on the guide tube (12) at positions corresponding to the positions of each of the discharge plates (24); a positioning rod (240) is provided on the inner side wall of the guide tube (12) and is movably plugged in one-to-one with each of the discharge plates (24), and each of the positioning rods (240) is sleeved with a first return spring (241); a first push seat (242) connected to each of the discharge plates (24) is provided inside the guide tube (12); the first electric rod (23) passes through the first push seat (242), and a chuck (230) capable of abutting against a lower bottom surface of the first push seat (242) is provided at the bottom end of the first electric rod (23).

5. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 4 is characterized in that: A second push seat (222) connected to the release disk (22) is slidably engaged inside the guide tube (12), and a second return spring (223) abutting against the inner wall of the guide tube (12) is provided on the lower bottom surface of the second push seat (222); the chuck (230) is capable of abutting against the upper end surface of the second push seat (222).

6. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 1 is characterized in that: A motor box (17) is provided at the bottom of the equipment case (1); a plurality of receiving trays (30) are provided, and the receiving trays (30) are evenly spaced from top to bottom at the lower end of the interior of the equipment case (1); each receiving tray (30) is provided with a material drop hole (300); each waveguide tube (31) is rotatably engaged with the corresponding receiving tray (30); each conductive rod (310) is provided with an outer sleeve (311) fixedly connected to the waveguide tube (31) at a corresponding position and rotatably engaged with the equipment case (1); each outer sleeve (311) is provided with a second bevel gear (312); an outer wall of the equipment case (1) is rotatably engaged with the second bevel gear (312) at a corresponding position. A bevel gear ring (33) meshingly connected to the gear (312), and a spur gear ring (330) is sleeved on the outer wall of the bevel gear ring (33); a drive motor (34) is arranged inside the motor box (17), and a linkage gear disk (340) is connected to the output shaft of the drive motor (34); a rotating vertical shaft (35) is rotatably clamped on the motor box (17), and a first spur gear (350) meshingly connected to the linkage gear disk (340) is connected to the bottom end of the rotating vertical shaft (35), and a second spur gear (351) meshingly connected to each of the spur gear rings (330) is sleeved on the rotating vertical shaft (35); the number of the magnetrons (32) corresponds to the number of the receiving trays (30).

7. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 6 is characterized in that: The bottom of the equipment housing (1) is provided with a conical material guide platform (36) and a circulating material pipe (37). The circulating material pipe (37) passes through each receiving plate (30) in sequence. The top of the circulating material pipe (37) is provided with a material leveling platform (370) located below the guide pipe (12). The upper end of the circulating material pipe (37) is provided with a circulating material discharge hole (371) and the bottom end is provided with a circulating material feed hole (372). A feeding screw (38) connected to the output shaft of the driving motor (34) is rotatably engaged inside the circulating material pipe (37).

8. The dehydration and solidification integrated equipment for pickling sludge resource treatment according to claim 1 is characterized in that: The waveguide tube (31) is externally sheathed with a metal protective mesh sheath (313).

9. A dehydration and solidification method for pickling sludge resource treatment, based on the dehydration and solidification integrated equipment for pickling sludge resource treatment according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1, injecting the pickling sludge into the interior of the centrifugal bucket (20) through the feed pipe (13), and injecting clean water into the pickling sludge through the feed pipe (13), so that the salt and acidic substances in the pickling sludge are dissolved in the clean water; wherein the volume ratio of the clean water to the pickling sludge is 4-6:1; S2, using the first electric rod (23) to drive the release plate (22) to move downward along the inner wall of the equipment housing (1); then using the centrifugal motor (21) to drive the first bevel gear (210) to rotate, and using the meshing action of the first bevel gear (210) and the gear groove (200) to make the centrifugal bucket (20) rotate inside the equipment housing (1), so as to perform centrifugal dehydration treatment on the pickling sludge, and the sewage carrying salt and acidic substances in the pickling sludge enters the water collecting tank (220) at the bottom end of the release plate (22) through the through hole on the centrifugal bucket (20), and is finally discharged through the sewage pipe (221); S3, using the first electric rod (23) to drive the discharge plate (24) to move upward along the guide tube (12), so that the dehydrated sludge falls into the receiving tray (30), and then using the magnetron (32) to convert electrical energy into microwaves, the microwaves are transmitted to the waveguide (31) through the conductive rod (310), the microwave energy is transmitted to the dehydrated sludge by the waveguide (31), and the microwave energy is heated to 90-120° C. by the microwave energy, so that the water in the sludge is further evaporated and solid sludge is finally formed, so that the metal substances in the pickling sludge are fixed; wherein the microwave frequency of the magnetron (32) is 300-550 MHz; S4. The solid sludge is discharged through the sludge discharge pipe (14).

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