A dehydration and solidification integrated device and method for resourceful treatment of pickling sludge

Abstract

The application discloses a kind of dehydration solidification integrated equipment and method for resource treatment of pickling sludge, belong to sludge treatment technical field;Equipment includes equipment box and dehydration component, solidification component arranged in equipment box inside;Dehydration component is used to carry out dehydration treatment to pickling sludge, to make the salt in pickling sludge and acidic substance separate;Solidification component is used to carry out drying solidification treatment to pickling sludge after dehydration, so that the metal component in pickling sludge is fixed;The equipment structure of the application is reasonable, utilizes the way of microwave heating to carry out drying treatment to pickling sludge, reduces the occupation of land and the pollution problem to environment of pickling sludge;And pickling sludge is effectively fixed after solidification, metal substance in sludge is fixed, subsequent separation and utilization of metal substance in sludge are facilitated, realizes the reduction, resource and harmless treatment of pickling sludge, and is suitable for promotion and use.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sludge treatment, in particular to a dewatering and solidifying integrated equipment and method for resource treatment of pickling sludge. BACKGROUND

[0002] Pickling is an important process in the metal surface treatment industry and the steel industry. Through pickling, the surface of steel or metal processing products is cleaned of iron oxide, improving the quality of the surface structure of the steel and making the metal surface neat. The pickling waste liquid left after pickling needs to be treated before being discharged. The most commonly used method is lime neutralization, in which lime is directly added to the wastewater. This method produces a large amount of sludge, which contains high levels of metal ions and is difficult to treat subsequently. It is a hazardous solid waste and occupies a large amount of land area. The recycling of pickling sludge is becoming increasingly important.

[0003] Pyrometallurgical reduction is the most widely used and technically most secure equipment for resource utilization of pickling sludge at the present stage. However, in the prior art, the pickling sludge pyrometallurgical reduction equipment is relatively complex, the equipment investment and operating costs are high, the pickling sludge reduction is not complete, and measures such as condensation and deodorization need to be taken for the evaporated material, resulting in high overall costs. At the same time, a large amount of greenhouse gases and sulfur dioxide are generated during the pyrometallurgical reduction process, which can easily cause environmental pollution problems. SUMMARY

[0004] In view of the above technical problems, the present application provides a dewatering and solidifying integrated equipment and method for resource treatment of pickling sludge.

[0005] The technical solution of the present application is as follows: a dewatering and solidifying integrated equipment for resource treatment of pickling sludge, comprising an equipment box and a dewatering assembly and a solidifying assembly arranged inside the equipment box; an expansion box is arranged on the lower part of the outer wall of the equipment box, and a isolation sleeve is arranged inside the expansion box; a guide pipe is arranged through the top end of the equipment box; a feed pipe is arranged at the top end of the equipment box, and a mud discharge pipe is arranged through the isolation sleeve and the expansion box at the bottom end of the equipment box;

[0006] The dehydration assembly comprises a centrifugal bucket rotatably clamped on the upper end of the inner part of the equipment box and sleeved on the outside of the guide pipe, a centrifugal motor arranged on the outer side wall of the equipment box and providing rotating power for the centrifugal bucket, a release disc slidably clamped on the inner part of the equipment box and located below the centrifugal bucket, and a first electric rod arranged in the inner part of the guide pipe and capable of being clamped with the release disc; the centrifugal bucket is rotatably clamped with the guide pipe, the outer side wall of the centrifugal bucket is provided with a gear groove, and the bottom end of the centrifugal bucket is provided with a through hole; the output shaft of the centrifugal motor penetrates the equipment box, and a first bevel gear engaged with the gear groove is connected to the output shaft; the lower bottom surface of the release disc is provided with a water collecting tank, the water collecting tank is provided with a blowdown pipe penetrating the equipment box and slidably clamped with the equipment box; the guide pipe is slidably clamped with a discharging plate capable of being slidably clamped with the first electric rod.

[0007] The solidification assembly comprises a receiving disc arranged on the lower end of the inner part of the equipment box, a plurality of waveguides equidistantly arranged on the receiving disc, and a magnetron sleeved on the outer side wall of the isolation sleeve; the end of each waveguide is provided with a conductive rod penetrating the equipment box and connected with the magnetron.

[0008] Further, the equipment box is provided with a support frame at the top end, and the guide pipe is fixedly connected with the support frame; the equipment box is provided with a top cover sleeved on the outside of the guide pipe at the opening of the upper end, and the top end of the top cover is provided with a lifting frame slidably clamped with the support frame; the guide pipe is provided with a second electric rod connected with the lifting frame; the feeding pipe is arranged on the top cover; the top cover is provided with an ultrasonic stirring assembly;

[0009] Description: After the pickling sludge and clean water are injected into the centrifugal bucket, the ultrasonic stirring assembly is used to continuously stir the sludge, the sludge is homogenized, and the salt in the pickling sludge is fully dissolved; then the lifting frame is pushed upward along the support frame by the second electric rod, so that the top cover drives the ultrasonic stirring assembly to separate from the equipment box.

[0010] Further, the ultrasonic stirring assembly comprises an ultrasonic generator arranged on the top surface of the top cover, an ultrasonic transducer plate arranged on the lower bottom surface of the top cover and connected with the ultrasonic generator, and a plurality of ultrasonic vibration rods equidistantly arranged on the lower bottom surface of the ultrasonic transducer plate;

[0011] Description: The ultrasonic generator transmits electrical signals to the ultrasonic transducer plate, the ultrasonic transducer plate converts the electrical signals into mechanical energy and transmits them to the ultrasonic vibration rods, and the high-frequency vibration generated by the ultrasonic vibration rods is used to stir the pickling sludge and clean water; wherein the frequency of the ultrasonic generator is 20-35 kHz.

[0012] 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, which is movably connected to each discharge plate in a one-to-one manner, 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 passes through 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;

[0013] Description: When the first electric rod contracts, the chuck engages with the first push seat, and pulls each discharge plate to move upward along the positioning rod and out of the groove; so that the pickling sludge enters the bottom of the equipment box through the slot.

[0014] Furthermore, a second push seat connected to the release disc is slidably engaged inside the guide tube, and a second return spring is provided on the lower surface of the second push seat to abut against the inner wall of the guide tube; the chuck can abut against the upper end surface of the second push seat;

[0015] Note: When the first electric rod extends, the chuck presses down the second push seat, causing the release plate to move downward along the guide tube.

[0016] Furthermore, a motor box is provided at the bottom of the equipment box body, and several receiving trays are provided, and several receiving trays are equidistantly distributed at the lower end of the equipment box body 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 body, and each outer sleeve is sleeved with a second bevel gear; the outer wall of the equipment box body is rotatably clamped with a bevel gear ring meshed with the second bevel gear at the corresponding position, and the outer wall of the bevel gear ring is sleeved with a spur gear ring; a driving motor is provided inside the motor box, the output shaft of the driving motor is connected to a linkage gear plate, and a rotating vertical shaft is rotatably clamped on the motor box, and the bottom end of the rotating vertical shaft is connected to a first spur gear meshed with the linkage gear plate, and the rotating vertical shaft is sleeved with a second spur gear meshed with each spur gear ring in a one-to-one correspondence; the number of magnetrons corresponds to the number of receiving trays;

[0017] 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 step-by-step heating of the pickling sludge, which is beneficial to improving the solidification efficiency of the pickling sludge.

[0018] Further, the inner bottom of the equipment box is provided with a conical material guiding table and a circulating material pipe, the circulating material pipe penetrates the material receiving discs in sequence, the top end of the circulating material pipe is provided with a material uniformizing table below the guide pipe, the upper end of the circulating material pipe is provided with a circulating discharge hole, and the bottom end is provided with a circulating feed hole; a feeding screw connected with the output shaft of the driving motor is rotatably clamped in the circulating material pipe;

[0019] Description: the driving motor drives the feeding screw to rotate, so that the pickling sludge at the inner bottom of the equipment box moves to the circulating feed hole under the action of the conical material guiding table, and is driven by the feeding screw to enter the uppermost material receiving disc 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.

[0020] Further, a metal protective mesh sleeve is sleeved outside the waveguide pipe;

[0021] Description: by sleeving the metal protective mesh sleeve outside the waveguide pipe, the wear generated in the rotating process of the waveguide pipe is reduced, and the use stability of the waveguide pipe is improved.

[0022] The application 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:

[0023] S1, the pickling sludge is injected into the centrifugal hopper through the feed pipe, and clean water is injected into the pickling sludge through the feed pipe, so that the salt and acidic substances in the pickling sludge are dissolved in the clean water; wherein the volume ratio of clean water to pickling sludge is 4-6:1;

[0024] S2, the first electric rod is used to drive the release disc to move downward along the inner wall of the equipment box; then the centrifugal motor is used to drive the first bevel gear to rotate, and the meshing action of the first bevel gear and the gear groove is used to make the centrifugal hopper rotate in the equipment box, so as to perform centrifugal dehydration treatment on the pickling sludge, the wastewater in the pickling sludge carries the salt and acidic substances into the water collecting tank at the bottom end of the release disc through the through hole on the centrifugal hopper, and finally is discharged through the sewage pipe;

[0025] S3, the first electric rod is used to drive the discharge plate to move upward along the guide pipe, so that the dehydrated sludge falls into the material receiving disc, then the magnetron is used to convert electric energy into microwaves, the microwaves are transmitted to the waveguide pipe through the conductive rod, the waveguide pipe is used to transmit microwave energy to the dehydrated sludge, the sludge is heated to 90-120 DEG C by using microwave energy, so that the water in the sludge is further evaporated, and finally forms solid sludge, so that the metal substances in the pickling sludge are fixed; wherein the microwave frequency of the magnetron is 300-550 MHz;

[0026] S4, the solid sludge is discharged through the sludge discharge pipe.

[0027] Compared with the prior art, the beneficial effects of the present application are embodied in the following aspects:

[0028] Firstly, the device structure of the present application is reasonable, by passing clean water into the pickling sludge, using the ultrasonic stirring assembly to stir and treat the pickling sludge and 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 centrifugation, effectively solving the soil and groundwater pollution problems caused by the percolate in the pickling sludge;

[0029] Secondly, the present application uses the microwave heating method to dry the pickling sludge, reduces the occupation of land and the pollution problem of the environment caused by the pickling sludge; and after the pickling sludge is solidified, the metal substances in the pickling sludge are effectively fixed, which is convenient for the subsequent separation and utilization of the metal substances in the pickling sludge, realizes the reduction, resource utilization and harmless treatment of the pickling sludge;

[0030] Thirdly, the present application can perform cyclic drying treatment on the pickling sludge inside the equipment box, effectively prolongs the drying time of the pickling sludge, improves the solidification efficiency of the pickling sludge, and at the same time, reduces the energy consumption of the equipment, which has significant economic, environmental and social benefits. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a longitudinal sectional view of the device of the present application;

[0032] Figure 2 is a front view of the device of the present application;

[0033] Figure 3 is a local enlarged schematic view of A in the present application; Figure 1

[0034] Figure 4 is a connection schematic view of the release disc and the equipment box of the present application;

[0035] Figure 5 is a connection schematic view of the discharging plate and the guide pipe of the present application;

[0036] Figure 6 is a connection schematic view of the discharging plate and the first electric rod of the present application;

[0037] Figure 7 is a connection schematic view of the solidification assembly and the equipment box of the present application;

[0038] Figure 8 is a structure schematic view of the waveguide pipe of the present application;

[0039] Figure 9 is a local enlarged schematic view of B in the present application; Figure 1 ​​

[0040] Figure 10 is a distribution diagram of the ultrasonic vibrating rods of the present invention on the ultrasonic transducer plate;

[0041] Among them, 1- equipment box, 10- expansion box, 11- isolation sleeve, 12- guide tube, 120- slot, 13- feed 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 slot, 21- centrifugal motor, 210- first bevel gear, 22- release plate, 220- water collection box, 221- sewage 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-blanking 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 disc, 35-rotating vertical shaft, 350-first straight gear, 351-second spur gear, 36-conical guide table, 37-circulating material pipe, 370-uniform material 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

[0042] Example 1: Figure 1 、 Figure 2 The illustrated embodiment of a dehydration and solidification integrated device for pickling sludge resource processing comprises an equipment housing 1 and a dehydration assembly 2 and a solidification assembly 3 disposed within the equipment housing 1. An expansion box 10 is sleeved on the lower portion of the outer wall of the equipment housing 1, and an isolation sleeve 11 is sleeved within the expansion box 10. A guide tube 12 is provided through the top of the equipment housing 1. A feed pipe 13 is provided at the top of the equipment housing 1, and a sludge discharge pipe 14 is provided at the bottom thereof, which passes through the isolation sleeve 11 and the expansion box 10 in sequence.

[0043] like Figure 1 、 Figure 3 、 Figure 5As shown, the dehydration assembly 2 comprises a centrifugal bucket 20 rotatably clamped on the upper end of the inside of the equipment box 1 and sleeved on the outside of the guide pipe 12, a centrifugal motor 21 arranged on the outside wall of the equipment box 1 and providing rotating power for the centrifugal bucket 20, a release disc 22 slidably clamped in the inside of the equipment box 1 and located below the centrifugal bucket 20, and a first electric rod 23 arranged in the inside of the guide pipe 12 and capable of being clamped with the release disc 22; the centrifugal bucket 20 is rotatably clamped with the guide pipe 12, the outside wall of the centrifugal bucket 20 is provided with a gear groove 200, and the bottom end of the centrifugal bucket 20 is provided with a through hole (not shown in the figure); the output shaft of the centrifugal motor 21 penetrates the equipment box 1 and is connected with a first bevel gear 210 which is engaged with the gear groove 200; the lower bottom surface of the release disc 22 is provided with a water collecting tank 220, and the water collecting tank 220 is provided with a blowdown pipe 221 which penetrates the equipment box 1 and is slidably clamped with the equipment box 1; the guide pipe 12 is slidably clamped with a discharge plate 24 which is slidably clamped with the first electric rod 23.

[0044] As shown in Figure 1 、 Figure 7 , the solidification assembly 3 comprises a receiving disc 30 arranged on the lower end of the inside of the equipment box 1, eight waveguides 31 equidistantly distributed on the receiving disc 30, and a magnetron 32 sleeved on the outside wall of the isolation sleeve 11; the end of each waveguide 31 is provided with a conductive rod 310 which penetrates the equipment box 1 and is connected with the magnetron 32.

[0045] Embodiment 2: The present embodiment describes a dehydration and solidification method for resource utilization treatment of pickling sludge, based on a dehydration and solidification integrated equipment for resource utilization treatment of pickling sludge of embodiment 1, comprising the following steps:

[0046] S1, the pickling sludge is injected into the inside of the centrifugal bucket 20 through the feeding pipe 13, and clean water is injected into the pickling sludge through the feeding pipe 13, so that the salt and acidic substances in the pickling sludge are dissolved in the clean water; wherein the volume ratio of clean water to pickling sludge is 4:1;

[0047] S2, the release disc 22 is driven by the first electric rod 23 to move downward along the inner wall of the equipment box 1; then the first bevel gear 210 is driven by the centrifugal motor 21 to rotate, and the centrifugal bucket 20 is rotated in the inside of the equipment box 1 by the meshing action of the first bevel gear 210 and the gear groove 200, so as to perform centrifugal dehydration treatment on the pickling sludge; the wastewater in the pickling sludge carries the salt and acidic substances into the inside of the water collecting tank 220 at the bottom end of the release disc 22 through the through hole on the centrifugal bucket 20, and is finally discharged through the blowdown pipe 221;

[0048] S3, the first electric rod 23 is used to drive the discharge plate 24 to move upwards along the guide pipe 12, so that the dewatered sludge falls into the receiving tray 30, then the magnetron 32 is used to convert electric energy into microwaves, the microwaves are transmitted to the waveguide pipe 31 through the conductive rod 310, the microwave energy is transmitted to the dewatered sludge through the waveguide pipe 31, the sludge is heated to 90 DEG C by using microwave energy, so that the water in the sludge is further evaporated, and finally forms solid sludge, so that the metal substances in the pickling sludge are fixed; wherein the microwave frequency of the magnetron 32 is 300 MHz;

[0049] S4, the solid sludge is discharged through the sludge discharge pipe 14.

[0050] Embodiment 3: The difference between this embodiment and embodiment 1 is that the waveguide pipe 31 is provided with 12.

[0051] Embodiment 4: The difference between this embodiment and embodiment 1 is that, as shown in Figure 1 、 Figure 2 、 Figure 10 The top end of the equipment box 1 is provided with a support frame 15, and the guide pipe 12 is fixedly connected with the support frame 15; the top end of the equipment box 1 is provided with a top cover 16 sleeved outside the guide pipe 12, and the top end of the top cover 16 is provided with a lifting frame 160 slidably connected with the support frame 15; the inside of the guide pipe 12 is provided with a second electric rod 161 connected with the lifting frame 160; the feeding pipe 13 is arranged on the top cover 16; the top cover 16 is provided with an ultrasonic stirring assembly 4; the ultrasonic stirring assembly 4 comprises an ultrasonic generator 40 arranged on the top surface of the top cover 16, an ultrasonic transducer plate 41 arranged on the bottom surface of the top cover 16 and connected with the ultrasonic generator 40, and 24 ultrasonic vibration rods 42 equidistantly arranged on the bottom surface of the ultrasonic transducer plate 41.

[0052] Embodiment 5: This embodiment describes a dewatering and solidifying method for resource treatment of pickling sludge, based on the dewatering and solidifying integrated equipment for resource treatment of pickling sludge of embodiment 4, which is different from embodiment 2 in that:

[0053] In step S1, after the pickling sludge and the clean water are injected into the centrifugal bucket 20, the ultrasonic generator 40 is used to transmit electric signals to the ultrasonic transducer plate 41, the ultrasonic transducer plate 41 is used to convert the electric signals into mechanical energy and transmit them to the ultrasonic vibration rods 42, and the high-frequency vibration generated by the ultrasonic vibration rods 42 is used to stir the pickling sludge and the clean water; wherein the frequency of the ultrasonic generator 40 is 20 kHz; then the second electric rod 161 is used to push the lifting frame 160 to move upwards 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 the clean water to the pickling sludge is 6:1;

[0054] In step S3, the sludge heating temperature is 120°C, and the microwave frequency of the magnetron 32 is 550 MHz.

[0055] Example 6: The difference between this example and example 4 is that the ultrasonic vibration rod 42 is provided with 30.

[0056] Example 7: The difference between this example and example 4 is that, as shown in Figure 4 、 Figure 5 、 Figure 6 The discharge plate 24 is provided with 4, each of which is distributed equidistantly on the inner wall of the guide pipe 12, and the guide pipe 12 is provided with a slot 120 corresponding to each discharge plate 24; The inner wall of the guide pipe 12 is provided with a positioning rod 240 movably connected with each discharge plate 24, and a first reset spring 241 is sleeved on each positioning rod 240; The guide pipe 12 is internally provided with a first push seat 242 connected with each discharge plate 24; The first electric rod 23 penetrates the first push seat 242, and the bottom end of the first electric rod 23 is provided with a chuck 230 capable of abutting the lower bottom surface of the first push seat 242; The guide pipe 12 is internally provided with a second push seat 222 connected with the release disc 22, and the lower bottom surface of the second push seat 222 is provided with a second reset spring 223 abutting the inner wall of the guide pipe 12; The chuck 230 can abut the upper end surface of the second push seat 222.

[0057] Example 8: This example describes a dewatering and solidification method for resource treatment of pickling sludge, based on the dewatering and solidification integrated equipment for resource treatment of pickling sludge of example 7, which is different from example 5 in that:

[0058] In step S1, the frequency of the ultrasonic generator 40 is 35 kHz;

[0059] In step S2, when the release disc 22 moves, the first electric rod 23 extends, the chuck 230 presses the second push seat 222, so that the release disc 22 moves downward along the guide pipe 12;

[0060] In step S3, when the discharge plate 24 is opened, the first electric rod 23 is retracted, the chuck 230 is connected with the first push seat 242, and each discharge plate 24 is pulled to move upward along the positioning rod 240 and is separated from the slot 120; So that the pickling sludge enters the inner bottom of the equipment box 1 through the slot 120.

[0061] Example 9: The difference between this example and example 7 is that the discharge plate 24 is provided with 8.

[0062] Example 10: The difference between this example and example 7 is that, as shown in Figure 1 、 Figure 7 、 Figure 8 ,Figure 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 tube 31 is rotatably connected to the corresponding receiving tray 30; each conductive rod 310 is externally sleeved with an outer sleeve 311 fixedly connected to the waveguide tube 31 at the corresponding position and rotatably connected to 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 connected to the corresponding position The second bevel gear 312 is meshed with the 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 provided 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 the bottom end of the rotating vertical shaft 35 is connected to a first spur gear 350 meshed with the linkage gear plate 340, and a second spur gear 351 is sleeved on the rotating vertical shaft 35 and meshed with each spur gear ring 330 in a one-to-one correspondence; the number of magnetrons 32 corresponds to the number of receiving trays 30.

[0063] Example 11: This example 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 Example 10. The difference from Example 8 is that:

[0064] In step S3, the pickling sludge first falls onto the receiving tray 30 at the top of the equipment box 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 is used to make 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 action of the rotation 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 box 1.

[0065] Example 12: This example differs from Example 10 in that five receiving trays 30 are provided.

[0066] Example 13: This example differs from Example 10 in that Figure 1As shown, the bottom of the device box 1 is provided with a tapered material guide table 36 and a circulating material pipe 37, the circulating material pipe 37 penetrates the respective material receiving disc 30 in sequence, the top end of the circulating material pipe 37 is provided with a material uniformizing table 370 located below the guide pipe 12, the upper end of the circulating material pipe 37 is provided with a circulating material outlet hole 371, and the bottom end is provided with a circulating material inlet hole 372; the inside of the circulating material pipe 37 is rotatably connected with a feeding screw 38 connected with the output shaft of the driving motor 34.

[0067] Embodiment 14: The present embodiment describes a dewatering and solidifying method for resource treatment of pickling sludge, based on the dewatering and solidifying integrated equipment for resource treatment of pickling sludge of embodiment 13, which is different from embodiment 11 in that:

[0068] In step S3, the driving motor 34 drives the feeding screw 38 to rotate, so that the pickling sludge at the bottom of the device box 1 moves to the circulating material inlet hole 372 under the action of the tapered material guide table 36, and then enters the material receiving disc 30 at the uppermost end of the device box 1 again through the circulating material outlet hole 371 under the driving action of the feeding screw 38, realizing the circulation and heating of the pickling sludge.

[0069] Embodiment 15: The present embodiment is different from embodiment 13 in that, as shown in Figure 8 As shown, the waveguide pipe 31 is externally provided with a metal protective net 313.

[0070] It should be noted that the second electric rod 161, the centrifugal motor 21, the first electric rod 23, the waveguide pipe 31, the conductive rod 310, the magnetron 32, the driving motor 34, the ultrasonic wave generator 40, the ultrasonic transducer plate 41 and the ultrasonic vibration rod 42 used in the present application all adopt existing technologies, which are not specially limited here, and the corresponding products can be selected by the person skilled in the art according to actual needs.

Claims

1. A dewatering and solidifying integrated device for resourceful treatment of pickling sludge, characterized in that, The utility model provides a dehydration component (2), a solidification component (3) are arranged inside the equipment box (1) including equipment box (1) and setting, the expansion box (10) is set to the lower position of the equipment box (1) outside wall, the expansion box (10) is set to the isolation sleeve (11) inside, the equipment box (1) top is provided with the guide pipe (12) of penetrating arrangement, the equipment box (1) top is provided with the feed pipe (13), and the bottom is provided with the sludge discharge pipe (14) of penetrating isolation sleeve (11) and expansion box (10) in proper order, The dehydration component (2) includes a centrifugal bucket (20) rotatably connected to the inner upper end of the equipment box (1) and sleeved outside the guide pipe (12), a centrifugal motor (21) provided on the outer side wall of the equipment box (1) and providing rotary power for the centrifugal bucket (20), a release disc (22) slidably connected to the inner side of the equipment box (1) and located below the centrifugal bucket (20), and a first electric rod (23) provided inside the guide pipe (12) and capable of being connected to the release disc (22); the centrifugal bucket (20) is rotatably connected to the guide pipe (12), the outer side wall of the centrifugal bucket (20) is provided with a gear groove (200), and the bottom end of the centrifugal bucket (20) is provided with a through hole; the output shaft of the centrifugal motor (21) penetrates the equipment box (1), and the output shaft is connected with a first bevel gear (210) engaged with the gear groove (200); the lower bottom surface of the release disc (22) is provided with a water collecting tank (220), the water collecting tank (220) is provided with a blowdown pipe (221) penetrating the equipment box (1) and slidably connected to the equipment box (1); the guide pipe (12) is slidably connected with a discharge plate (24) capable of being slidably connected with the first electric rod (23); The solidification component (3) includes a receiving disc (30) provided at the lower end of the equipment box (1), a plurality of waveguides (31) equally distributed on the receiving disc (30), and a magnetron (32) sleeved on the outer side wall of the isolation sleeve (11); the end of each waveguide (31) is provided with a conductive rod (310) penetrating the equipment box (1) and connected with the magnetron (32), respectively; The equipment box (1) is provided with a motor box (17) at the bottom end, and a plurality of material receiving discs (30) are arranged at the lower end of the equipment box (1) and equidistantly distributed from top to bottom; a material falling hole (300) is arranged through each material receiving disc (30); each waveguide tube (31) is rotatably connected to the corresponding material receiving disc (30); each conductive rod (310) is externally sleeved with a sleeve tube (311) which is fixedly connected with the waveguide tube (31) at the corresponding position and rotatably connected with the equipment box (1), and a second bevel gear (312) is sleeved on each sleeve tube (311); a bevel gear ring (33) is rotatably connected to the second bevel gear (312) at the corresponding position on the outer side wall of the equipment box (1), and a straight gear ring (330) is sleeved on the outer side wall of the bevel gear ring (33); a driving motor (34) is arranged in the motor box (17), and a linkage gear (340) is connected to the output shaft of the driving motor (34); a rotating vertical shaft (35) is rotatably connected to the motor box (17), and a first straight gear (350) is connected to the linkage gear (340) at the bottom end of the rotating vertical shaft (35); a second straight gear (351) is sleeved on the rotating vertical shaft (35) and correspondingly engaged with each straight gear ring (330); the number of magnetrons (32) corresponds to the number of material receiving discs (30). A conical material guide table (36) and a circulating material pipe (37) are arranged on the inner bottom of the equipment box (1), the circulating material pipe (37) penetrates through each material receiving disc (30) in sequence, the top end of the circulating material pipe (37) is provided with a material uniformizing table (370) below the guide pipe (12), the top end of the circulating material pipe (37) is provided with a circulating material outlet hole (371), and the bottom end of the circulating material pipe (37) is provided with a circulating material inlet hole (372); an upper material screw (38) is rotatably connected to the output shaft of the driving motor (34) in the circulating material pipe (37).

2. The dewatering and solidifying integrated device for resourceful treatment of pickling sludge according to claim 1, characterized in that, The equipment box (1) is provided with a support frame (15) at the top end, and the guide pipe (12) is fixedly connected to the support frame (15); a top cover (16) is arranged on the opening of the equipment box (1) and sleeved on the outside of the guide pipe (12), and a lifting frame (160) is slidably connected to the support frame (15) at the top end of the top cover (16); a second electric rod (161) is connected to the lifting frame (160) in the guide pipe (12); the feeding pipe (13) is arranged on the top cover (16); and an ultrasonic stirring assembly (4) is arranged on the top cover (16).

3. The dewatering and solidifying integrated device for resourceful treatment of pickling sludge according to claim 2, characterized in that, The ultrasonic stirring assembly (4) comprises an ultrasonic generator (40) arranged on the top surface of the top cover (16), an ultrasonic transducer plate (41) arranged on the bottom surface of the top cover (16) and connected to the ultrasonic generator (40), and a plurality of ultrasonic vibration rods (42) equidistantly arranged on the bottom surface of the ultrasonic transducer plate (41).

4. The dewatering and solidifying integrated device for resourceful treatment of pickling sludge according to claim 1, characterized in that, The feeding plate (24) is provided with a plurality of feeding plates (24) which are equidistantly distributed on the inner side wall of the guide pipe (12), and a slot (120) is arranged on the guide pipe (12) corresponding to each feeding plate (24); a positioning rod (240) corresponding to each feeding plate (24) is arranged on the inner side wall of the guide pipe (12), and a first reset spring (241) is arranged on each positioning rod (240); a first push seat (242) connected with each feeding plate (24) is arranged in the guide pipe (12); and the first electric rod (23) penetrates through the first push seat (242), and the bottom end of the first electric rod (23) is provided with a chuck (230) capable of abutting against the lower bottom surface of the first push seat (242).

5. The dewatering and solidifying integrated device for resourceful treatment of pickling sludge according to claim 4, characterized in that, The guide pipe (12) is internally and slidably connected with a second push seat (222) connected with the release disc (22), and the lower bottom surface of the second push seat (222) is provided with a second reset spring (223) abutting against the inner wall of the guide pipe (12); and the chuck (230) can abut against the upper end surface of the second push seat (222).

6. The dewatering and solidifying integrated device for resourceful treatment of pickling sludge according to claim 1, characterized in that, The waveguide pipe (31) is externally provided with a metal protective net cover (313).

7. A dewatering and solidifying method for resourceful treatment of pickling sludge, based on the integrated dewatering and solidifying device for resourceful treatment of pickling sludge according to any one of claims 1-6, characterized in that, The method comprises the following steps: S1, the pickling sludge is injected into the centrifugal bucket (20) through the feeding pipe (13), and clean water is injected into the pickling sludge through the feeding pipe (13), so that the salt and acidic substances in the pickling sludge are dissolved in the clean water; wherein the volume ratio of clean water to pickling sludge is 4-6:1; S2, the release disc (22) is driven by the first electric rod (23) to move downward along the inner wall of the equipment box (1); then the first bevel gear (210) is driven by the centrifugal motor (21) to rotate, and the centrifugal bucket (20) is rotated in the equipment box (1) by the meshing action of the first bevel gear (210) and the gear groove (200), so as to perform centrifugal dewatering treatment on the pickling sludge, and the wastewater carrying salt and acidic substances in the pickling sludge enters the water collecting tank (220) at the bottom end of the release disc (22) through the through hole of the centrifugal bucket (20), and is finally discharged through the sewage pipe (221); S3, the feeding plate (24) is driven by the first electric rod (23) to move upward along the guide pipe (12), so that the dewatered sludge falls into the receiving disc (30), then the electric energy is converted into microwaves by the magnetron (32), the microwaves are transmitted to the waveguide pipe (31) through the conductive rod (310), the microwave energy is transmitted to the dewatered sludge by the waveguide pipe (31), the sludge is heated to 90-120℃ by the microwave energy, so that the water in the sludge is further evaporated, and finally solid sludge is formed, so that the metal substances in the pickling sludge are fixed; wherein the microwave frequency of the magnetron (32) is 300-550MHz; S4, the solid sludge is discharged through the sludge discharge pipe (14).

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