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CN-122010371-A - Sludge treatment equipment and method for soil treatment

CN122010371ACN 122010371 ACN122010371 ACN 122010371ACN-122010371-A

Abstract

The invention discloses a sludge treatment device and a method for soil treatment, wherein the device comprises a supporting seat, a sludge treatment mechanism comprises a mounting ring arranged in a treatment cylinder, a mounting groove is formed in the bottom of a connecting rod, a connecting pipe connected with a shunt box is arranged in the mounting groove, a plurality of spray holes are arranged on the connecting pipe, a filter screen connected with the connecting rod is rotatably arranged in the magnetic ring, the method comprises the following steps of S1 conveying sludge into the treatment cylinder through a sludge pipe, S2 pumping work, S3 pumping air from the lower part of a rotating plate to enable the lower part of the rotating plate to be in a negative pressure state, and finally discharging the sludge after S4 treatment through a sewage drain pipe. The invention solves the problems of incomplete heavy metal removal and poor purification effect of the existing equipment by a multiple treatment mode of magnetic attraction, spiral mixing and negative pressure mixing separation, and the treated sludge can meet the subsequent application requirements of soil treatment.

Inventors

  • ZHENG LIANG
  • ZHANG YUQIN
  • ZHANG LULAN
  • QIU ZHIYONG
  • CAI FENGYAN
  • Yu Luocheng

Assignees

  • 杭州西景环境建设有限公司

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. The sludge treatment equipment for soil treatment comprises a supporting seat (1), and is characterized in that the upper end of the supporting seat (1) is provided with a treatment cylinder, and a sludge treatment mechanism is arranged in the treatment cylinder; The sludge treatment mechanism comprises a mounting ring (21) arranged in a treatment cylinder, a magnetic ring (22) is fixed on the inner wall of the mounting ring (21), a rotating ring (28) is coaxially arranged at the bottom of the mounting ring (21), a shunt box (25) is arranged in the middle of the rotating ring (28), the shunt box (25) is connected with the rotating ring (28) through a plurality of connecting rods (30), a mounting groove (33) is formed in the bottom of the connecting rods (30), a connecting pipe (31) connected with the shunt box (25) is arranged in the mounting groove (33), a plurality of spray holes (32) are arranged on the connecting pipe (31), and a filter screen (24) connected with the connecting rods (30) is arranged in the magnetic ring (22) in a rotating manner. A rotating plate (18) is arranged in the treatment cylinder, a plurality of conical holes (26) are formed in the rotating plate (18) in a penetrating mode up and down, and the rotating plate (18) is connected with a shunt box (25) through a vertical rod (19); the device also comprises an air extraction mechanism, wherein the air extraction mechanism is connected with the treatment cylinder and is positioned below the rotating plate (18), and the air extraction mechanism works to enable the space of the treatment cylinder below the rotating plate (18) to be in a negative pressure state.
  2. 2. The sludge treatment equipment for soil remediation according to claim 1, wherein the treatment cylinder comprises a cylinder body (2), a conical cylinder (3) is installed at the lower end of the cylinder body (2), a blow-off pipe (9) is installed at the bottom of the conical cylinder (3), an upper cover (4) is installed at the upper end of the cylinder body (2), a sludge pipe (5) and an air inlet pipe (6) are installed at the upper end of the upper cover (4), and an electromagnetic valve is installed on the air inlet pipe (6); the mounting ring (21) is fixed on the inner wall of the cylinder body (2).
  3. 3. A sludge treatment facility for soil remediation according to claim 1, wherein the upper end inner wall of the magnetic ring (22) is provided with an annular inclined surface (23), and the lower end of the annular inclined surface (23) is arranged towards the filter screen (24).
  4. 4. The sludge treatment equipment for soil remediation according to claim 2, wherein a driving box (15) is installed on the cylinder body (2) in a penetrating manner, a speed reducer (16) is installed in the driving box (15), a gear (17) is fixed at the shaft end of the speed reducer (16), a bearing (29) is installed at the bottom of the mounting ring (21), a toothed ring (27) is fixed on the bearing (29), and the toothed ring (27) is meshed with the gear (17).
  5. 5. The sludge treatment equipment for soil remediation according to claim 2, further comprising a supporting seat (1), wherein a plurality of supporting legs (8) are installed at the upper end of the supporting seat (1), and the supporting legs (8) are fixedly connected with the bottom of the conical cylinder (3).
  6. 6. The sludge treatment equipment for soil remediation according to claim 5, further comprising a pumping mechanism for conveying heavy metal treatment liquid into the diversion box (25), wherein the pumping mechanism comprises a conveying pipe (20) penetrating through and fixed on the upper cover (4), the conveying pipe (20) is rotationally connected with the diversion box (25), the liquid storage tank (12) and the water pump (11) are installed on the supporting seat (1), the liquid inlet end of the water pump (11) is connected with the liquid storage tank (12) through the liquid inlet pipe (14), and the liquid outlet end of the water pump (11) is connected with the conveying pipe (20) through the liquid conveying pipe (7).
  7. 7. The sludge treatment equipment for soil remediation according to claim 5, wherein the air extraction mechanism comprises a fan (10) arranged at the upper end of the supporting seat (1), an air suction pipe (13) is arranged at the air inlet end of the fan (10), the air suction pipe (13) is connected with the cylinder body (2), and the air suction pipe (13) is arranged below the rotating plate (18).
  8. 8. The sludge treatment equipment for soil remediation according to claim 1, wherein the filter screen (24) is provided with conical holes in a penetrating manner, the upper end of the diversion box (25) is arranged in a conical manner, and the diversion box (25) is arranged in a penetrating manner through the filter screen (24).
  9. 9. A sludge treatment apparatus for soil remediation according to claim 1 wherein the screen (24) has a structure with a thick central portion and thin edges, the thickness of which decreases gradually from the center to the edges, so that the upper end of the screen (24) forms an annular inclined surface.
  10. 10. A method of sludge treatment for soil remediation, characterized by being applied to the sludge treatment apparatus of any one of claims 1 to 9, the method comprising the steps of: S1, conveying sludge into a treatment cylinder through a sludge pipe (5), and simultaneously starting a speed reducer (16), wherein the speed reducer (16) works to drive a gear (17) and a toothed ring (27) to rotate, so that the toothed ring (27), a rotating ring (28), a connecting rod (30) and a shunt box (25) rotate; S2, the water pump (11) works, heavy metal treatment liquid is conveyed into a plurality of connecting pipes (31) through the split flow box (25) and is sprayed out through the spray holes (32) to be in a spiral state, and the sprayed heavy metal treatment liquid is mixed with the fallen sludge to treat heavy metals in the sludge; s3, the air extraction mechanism extracts air below the rotating plate (18) to enable the air to be in a negative pressure state, sludge mixed with the heavy metal treatment liquid falls on the rotating plate (18), and the sludge and the heavy metal treatment liquid are sprayed out through the conical holes (26) due to negative pressure; S4, the treated sludge falls into the conical cylinder (3) and is finally discharged through the blow-down pipe (9).

Description

Sludge treatment equipment and method for soil treatment Technical Field The invention relates to the technical field of sludge treatment, in particular to sludge treatment equipment and a method for soil treatment. Background Along with the development of modern society, the sewage containing heavy metal ions is more and more produced, and because heavy metal ions are difficult to degrade under natural conditions, the heavy metal ions not only pollute environments such as water sources and soil, but also finally enter human bodies through the enrichment function of food chains, so that the harm to the health of the human bodies is caused, the treatment of the sewage containing heavy metal ions is particularly important, and the existing equipment for treating the heavy metal ions generally has the problems of poor purifying capacity, single purifying mode and incapability of treating the produced sludge. The invention patent number CN106219914A discloses a sludge treatment device, it filters the granule in the mud through the filter screen, makes mud come out more fine and smooth, heats the heating cabinet through heating device, and aqueous vapor is discharged from the aqueous vapor gas vent, makes earth come out drier, adsorbs magnetic metal particles through magnetic device, avoids heavy metal in the earth to be too high, and the ejection of compact cylinder drives ejection of compact push pedal and carries out ejection of compact, reduces staff's operation, increases enterprise economic benefits, reduces enterprise manufacturing cost. Although the prior art can realize the filtration treatment of the sludge, the heavy metal in the sludge in the treatment tower cannot be effectively removed, so that the heavy metal ions in the sludge are not thoroughly removed, the purification effect is poor, and the treated sludge still cannot meet the subsequent application requirements of soil treatment and the like. Therefore, the application provides a sludge treatment device and a method for soil treatment. Disclosure of Invention The invention aims to solve the technical problems and provides sludge treatment equipment and a method for soil treatment. In order to achieve the above purpose, the present invention adopts the following technical scheme: The sludge treatment equipment for soil treatment comprises a supporting seat, wherein the upper end of the supporting seat is provided with a treatment cylinder, and a sludge treatment mechanism is arranged in the treatment cylinder; The sludge treatment mechanism comprises a mounting ring arranged in the treatment cylinder, a magnetic ring is fixed on the inner wall of the mounting ring, a rotating ring is coaxially arranged at the bottom of the mounting ring, a shunt box is arranged in the middle of the rotating ring and connected with the rotating ring through a plurality of connecting rods, a mounting groove is formed in the bottom of the connecting rod, a connecting pipe connected with the shunt box is arranged in the mounting groove, a plurality of spray holes are arranged on the connecting pipe, and a filter screen connected with the connecting rod is arranged in the magnetic ring in a rotating mode; A rotating plate is arranged in the treatment cylinder, a plurality of conical holes are formed in the rotating plate in a penetrating mode up and down, and the rotating plate is connected with the split box through a vertical rod; The device also comprises an air extraction mechanism, wherein the air extraction mechanism is connected with the treatment cylinder and is positioned below the rotating plate, and the air extraction mechanism works to enable the space of the treatment cylinder positioned below the rotating plate to be in a negative pressure state. Preferably, the treatment cylinder comprises a cylinder body, a conical cylinder is arranged at the lower end of the cylinder body, a drain pipe is arranged at the bottom of the conical cylinder, an upper cover is arranged at the upper end of the cylinder body, a sludge pipe and an air inlet pipe are arranged at the upper end of the upper cover, and an electromagnetic valve is arranged on the air inlet pipe; the mounting ring is fixed on the inner wall of the cylinder body. Preferably, an annular inclined plane is arranged on the inner wall of the upper end of the magnetic ring, and the lower end of the annular inclined plane is arranged towards the filter screen. Preferably, a driving box is installed on the cylinder body in a penetrating mode, a speed reducer is installed in the driving box, a gear is fixed at the shaft end of the speed reducer, a bearing is installed at the bottom of the mounting ring, a toothed ring is fixed on the bearing, and the toothed ring is meshed with the gear. Preferably, the device further comprises a supporting seat, wherein a plurality of supporting legs are arranged at the upper end of the supporting seat, and the supporting legs are fixedly connected with the bottom of the