CN-224214965-U - Prevent scale deposit and mud pipeline of jam

CN224214965UCN 224214965 UCN224214965 UCN 224214965UCN-224214965-U

Abstract

The utility model provides a sludge pipeline capable of preventing scaling and blocking, which comprises a sludge pipeline, an elastic spiral body and a driving mechanism, wherein the sludge pipeline is provided with a mud inlet and a mud outlet, the elastic spiral body is coaxially arranged in the sludge pipeline, the outer diameter of the elastic spiral body is smaller than the inner diameter of the sludge pipeline, the driving mechanism is connected with two ends of the elastic spiral body through a rotor and is used for driving the elastic spiral body to rotate at a constant speed in the sludge pipeline, and the spiral direction of the elastic spiral body is consistent with the flowing direction of a medium in the sludge pipeline. According to the utility model, the elastic spiral body which is consistent with the flowing direction of the medium is arranged in the sludge pipeline, the rotation of the elastic spiral body is utilized to stir and disturb the slurry, so that the deposition and scaling of impurities and slurry in the pipeline are effectively prevented, the scaling and the blocking of the pipeline are avoided, the design that the outer diameter of the elastic spiral body is slightly smaller than the inner diameter of the sludge pipeline ensures that the elastic spiral body can smoothly rotate in the pipeline, and the elastic bending characteristic of the elastic spiral body can adapt to the elbow structure of the pipeline.

Inventors

QIAO LIANG
ZHANG YONG

Assignees

上海宝骜工业技术服务有限公司

Dates

Publication Date: 20260508
Application Date: 20250625

Claims (10)

1. The sludge pipeline capable of preventing scaling and blocking is characterized by comprising a sludge pipeline, an elastic spiral body and a driving mechanism, wherein the sludge pipeline is provided with a sludge inlet and a sludge outlet, the elastic spiral body is coaxially arranged in the sludge pipeline, the outer diameter of the elastic spiral body is smaller than the inner diameter of the sludge pipeline, the driving mechanism is connected with two ends of the elastic spiral body through a rotor and is used for driving the elastic spiral body to rotate at a constant speed in the sludge pipeline, and the spiral direction of the elastic spiral body is consistent with the flow direction of a medium in the sludge pipeline.
2. The scale and blockage preventing sludge pipe of claim 1 wherein the interior wall of the sludge pipe is coated with a PTFE wear layer.
3. The sludge conduit for preventing fouling and plugging of claim 1 wherein said drive mechanism comprises an electric motor, a cycloidal pin gear reducer and a sleeve coupling, said rotor being secured to the drive side and driven side of said elastic screw, respectively, said sleeve coupling connecting said cycloidal pin gear reducer to said rotor on the drive side of said elastic screw.
4. A sludge conduit as claimed in claim 3 wherein first and second graphite sleeves are provided on the exterior of the two rotors respectively to form a sliding friction pair, the first and second graphite sleeves being in clearance fit with the rotors.
5. A sludge pipe for preventing scale formation and clogging as claimed in claim 3 wherein a sealing structure is provided at the junction of said drive mechanism and said sludge pipe, said sealing structure comprising a packing and a packing gland, said packing and said packing gland being provided at the gap between said rotor and said sludge pipe on the drive side of said elastic screw.
6. The scale and blockage preventing sludge pipe of claim 5 wherein the filler is a woven graphite or carbon fiber composite.
7. The sludge pipe as claimed in claim 5, wherein the rotor of the driven side of the elastic screw body is connected to the elastic screw body through a first connection cover, the rotor of the driven side is fixed to one end of the sludge pipe through a first flange set, the rotor of the driving side of the elastic screw body is connected to the elastic screw body through a second connection cover, and the rotor of the driving side is fixed to one end of the sludge pipe through a second flange set.
8. The scale and blockage preventing sludge pipe of claim 7 wherein the packing gland is bolted to the second set of flanges.
9. The sludge pipe of claim 1, wherein the elastic screw is made of metal wire material, and the metal wire material is 316L stainless steel or hastelloy, and the outer surface of the elastic screw is sprayed with a PTFE anti-corrosive layer.
10. The sludge pipe of claim 1, wherein the elastic screw has a bending radius at the bend of 5 pipe diameters or more.

Description

Prevent scale deposit and mud pipeline of jam Technical Field The utility model relates to the technical field of sludge treatment equipment, in particular to a sludge pipeline capable of preventing scaling and blocking. Background In the water treatment industry, the environmental protection industry and the cold rolling acid regeneration industry, there are liquid or slurry pipeline conveying working conditions with more impurities, such as slurry conveying pipelines between a sedimentation tank and a filter press, emptying pipelines of a sludge tank and the like, and because the medium in the pipeline is slurry or the impurity content is large, the pipeline is often blocked by impurity scaling or slurry deposition in the pipeline, so that production is stopped, and a production system is forced to enter a maintenance or accident emergency repair state. At present, the pipeline for conveying slurry or liquid pipelines with more impurities does not have ideal measures for avoiding pipeline scaling and blocking, and the method for solving the problem is to regularly clean and dredge the pipeline in an online high-pressure manner, disintegrate and dredge or replace the pipeline, so that the production time is influenced, and the maintenance workload is large. Disclosure of utility model The utility model aims to provide a sludge pipeline capable of preventing scaling and blocking, which effectively prevents deposition scaling of impurities and mud in the pipeline, and avoids accident time caused by pipeline scaling blocking and maintenance time for replacing and dredging the pipeline. According to one purpose of the utility model, the sludge pipeline capable of preventing scaling and blocking comprises a sludge pipeline, an elastic spiral body and a driving mechanism, wherein the sludge pipeline is provided with a mud inlet and a mud outlet, the elastic spiral body is coaxially arranged inside the sludge pipeline, the outer diameter of the elastic spiral body is smaller than the inner diameter of the sludge pipeline, the driving mechanism is connected with two ends of the elastic spiral body through a rotor and is used for driving the elastic spiral body to rotate at a constant speed in the sludge pipeline, and the spiral direction of the elastic spiral body is consistent with the flow direction of a medium in the sludge pipeline. Further, the inner wall of the sludge pipeline is coated with a PTFE wear-resistant layer. Further, the driving mechanism comprises a motor, a cycloidal pin gear speed reducer and a sleeve coupling, wherein the rotor is respectively fixed on the driving side and the driven side of the elastic spiral body, and the sleeve coupling is connected with the cycloidal pin gear speed reducer and the rotor on the driving side of the elastic spiral body. Further, a first graphite sleeve and a second graphite sleeve are arranged outside the two rotors respectively to form a sliding friction pair, and the first graphite sleeve and the second graphite sleeve are in clearance fit with the rotors. Further, a sealing structure is arranged at the joint of the driving mechanism and the sludge pipeline, the sealing structure comprises a filler and a filler gland, and the filler gland are arranged at the gap between the rotor and the sludge pipeline at the driving side of the elastic spiral body. Further, the filler is braided graphite or a carbon fiber composite material. Further, the rotor at the driven side of the elastic screw body is connected with the elastic screw body through a first connecting cover, the rotor at the driven side is fixed at one end of the sludge pipeline through a first flange group, the rotor at the driving side of the elastic screw body is connected with the elastic screw body through a second connecting cover, and the rotor at the driving side is fixed at one end of the sludge pipeline through a second flange group. Further, the packing gland is fixed on the second flange group through bolts. Further, the elastic spiral body is made of metal wires, the metal wires are made of 316L stainless steel or hastelloy, and a PTFE anti-corrosion layer is sprayed on the outer surface of the elastic spiral body. Further, the bending radius of the elastic spiral body at the bent pipe is more than or equal to 5 times of the diameter of the pipeline. According to the technical scheme, the elastic spiral body which is consistent with the flowing direction of the medium is arranged in the sludge pipeline, the rotation of the elastic spiral body is utilized to stir and disturb the slurry, so that the deposition and scaling of impurities and slurry in the pipeline are effectively prevented, the accident time caused by the scaling and blocking of the pipeline and the maintenance time for replacing and dredging the pipeline are avoided, the outer diameter of the elastic spiral body is slightly smaller than the inner diameter of the sludge pipeline, smooth rotation of the elastic spiral body in