Hydraulic quick cleaning device for chemical pipeline

By designing a hydraulic rapid cleaning device for chemical pipelines, which utilizes high-pressure medium injection and rotation cleaning, the problem of large cleaning agent usage and high cost in chemical pipeline cleaning is solved, achieving efficient cleaning and resource optimization.

CN223571559UActive Publication Date: 2025-11-21HENAN JUFUXING NEW MATERIAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422871986.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-21
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing technologies for cleaning chemical pipelines suffer from problems such as large amounts of cleaning agents used, low resource utilization, heavy workload, and high costs.

Method used

A hydraulic rapid cleaning device for chemical pipelines was designed, including a support frame, main jet nozzle, auxiliary jet nozzle, hydraulic rotation device and other components. It achieves efficient cleaning of the inner wall of the pipeline through high-pressure medium injection and rotation cleaning, combined with a scraper structure.

Benefits of technology

It improved cleaning quality and the overall utilization rate of cleaning agents, reduced labor costs and intensity, and enhanced cleaning efficiency and resource utilization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223571559U_ABST
    Figure CN223571559U_ABST
Patent Text Reader

Abstract

The utility model relates to a chemical pipeline hydraulic rapid cleaning device which comprises a bearing rack, at least one main jet flow nozzle, auxiliary jet flow nozzles, a hydraulic rotating device, a rotating connecting pipe head, a flexible high-pressure pipeline and a multi-way valve. The auxiliary jet flow nozzles are embedded in the outer side face of the bearing rack, the rear end face of the bearing rack is connected with a multi-way valve, the multi-way valve is communicated with the flexible high-pressure pipeline, the hydraulic rotating device, the main jet flow nozzles and the auxiliary jet flow nozzles through flow guide pipes, and the main jet flow nozzles are communicated with the flow guide pipes through rotating connecting pipe heads. According to the pipeline cleaning device, on one hand, the requirement for rapid cleaning operation of the interiors of various pipeline devices can be effectively met, the comprehensive utilization rate and the cleaning quality of a cleaning agent with the cleaning effect are effectively improved, and on the other hand, the labor cost and the labor intensity of cleaning operation are effectively reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of hydraulic quick cleaning device of chemical pipeline, belong to chemical equipment technical field. BACKGROUND

[0002] In the current conveying process of fluid medium material using pipeline, it is easy to cause the inner surface of pipeline to be polluted by material due to adhesion between material and pipeline and other factors, and there may also be situations such as blockage of pipeline conveying material and decline of conveying capacity due to material adhering to the pipe wall. To solve this problem, the current main method is to continuously introduce high-pressure cleaning medium into the pipeline to clean the pipeline, or to use a dedicated cleaning robot to clean the pipeline. Although this method can meet the needs of pipeline cleaning operation, it leads to the following problems when performing pipeline cleaning operation: on the one hand, a large amount of cleaning agent and other materials are used, and the comprehensive utilization rate of cleaning agent and other resources is low, and the cleaning operation is difficult to operate; on the other hand, it also leads to high labor intensity and high operation cost of pipeline work.

[0003] Therefore, in view of this problem, the present application provides a kind of hydraulic quick cleaning device of chemical pipeline, to solve the technical problems in the prior art. SUMMARY

[0004] To solve the problems in the prior art, the present application provides a kind of hydraulic quick cleaning device of chemical pipeline. The new device has a simple structure, is easy to operate, has low equipment use and maintenance cost, is easy to master and promote, can effectively meet the needs of quick cleaning operation inside various pipeline equipment, effectively improve the comprehensive utilization rate of cleaning agent and cleaning quality, and effectively reduce the labor cost and labor intensity of cleaning operation.

[0005] A chemical pipeline hydraulic rapid cleaning device, including bearing frame, main jet nozzle, auxiliary jet nozzle, hydraulic rotating device, rotating connection pipe head, quick connection pipe head, flexible high pressure pipeline, multi-way valve, bearing frame circular spoke structure, its front end surface is connected with hydraulic rotating device and is connected with at least one main jet nozzle through hydraulic rotating device, wherein the rotating shaft of hydraulic rotating device is coaxially distributed with bearing frame, the main jet nozzle is at 0°-80° angle with bearing frame axis and points to the front of bearing frame, at the same time, the main jet nozzle is located at least 10 centimeters in front of bearing frame, auxiliary jet nozzle is at least three, is embedded in the outside of bearing frame and is distributed around bearing frame axis, and each auxiliary jet nozzle is distributed in spiral structure around bearing frame axis, at the same time, auxiliary jet nozzle axis is at 30°-80° angle with bearing frame axis and points to the rear of bearing frame, the rear end surface of bearing frame is connected with a multi-way valve, and the multi-way valve is communicated with flexible high pressure pipeline, hydraulic rotating device and each main jet nozzle, auxiliary jet nozzle through flow guide pipe, the main jet nozzle and flow guide pipe are communicated through rotating connection pipe head, the flexible high pressure pipeline is coaxially distributed with bearing frame, its rear end surface is connected with quick connection pipe head, and is communicated with external pipeline system through quick connection pipe head.

[0006] Further, the bearing frame comprises a positioning base plate, a spoke, a bearing outer ring, a universal ball, a spring, an elastic hinge, and a scraper. The positioning base plate is a circular plate structure, and its outer side is connected with at least three spokes. The spokes are distributed around the axis of the positioning base plate and are distributed along the radial direction of the positioning base plate. The spoke is a strip structure with a rectangular cross section, and its plate surface is distributed perpendicularly to the front end surface and the rear end surface of the positioning base plate. The bearing outer ring is a closed circular structure coaxially distributed with the positioning base plate and covers the positioning base plate. Its inner side is connected with the front end surface of each spoke. The cross-sectional width of the bearing outer ring is at least 2 times the thickness of the positioning base plate. The front end surface and the rear end surface of the positioning base plate are each provided with an assembly groove coaxially distributed therewith. The two assembly grooves are connected through a through hole provided in the groove bottom. The hydraulic rotating device and the multi-way valve are connected with the positioning base plate through the assembly grooves. The multi-way valve is connected with the guide pipes at both ends of the hydraulic rotating device and the main jet nozzle through the through hole. The universal ball and the scraper are each at least three, and are connected with the outer side of the bearing outer ring and are distributed around the axis of the bearing outer ring. The universal ball is elastically connected with the outer side of the rear half of the bearing outer ring through the spring. The scraper is a circular arc plate structure coaxially distributed with the bearing outer ring. Its rear end surface is hinged with the front end surface of the bearing outer ring through the elastic hinge. The plate surface of the scraper forms an angle of 0°-60° with the axis of the bearing outer ring. The auxiliary jet nozzle is embedded in the outer side of the bearing outer ring, is located behind the scraper, and is located between the adjacent two scrapers. The axis of the auxiliary jet nozzle forms an angle of 0°-90° with the axis of the bearing outer ring. The auxiliary jet nozzle with an angle less than 90° is directed to the rear of the bearing outer ring.

[0007] Further, in the auxiliary jet nozzle, part of the auxiliary jet nozzle axis can be perpendicular to the bearing outer ring and intersect with the bearing outer ring. The remaining auxiliary jet nozzle axis forms an angle less than 90° with the axis of the bearing outer ring. The auxiliary jet nozzle with an angle less than 90° is distributed around the axis of the bearing outer ring. Between the adjacent two auxiliary jet nozzles with the axis perpendicular to the bearing outer ring, at least one auxiliary jet nozzle with an angle less than 90° with the axis of the bearing outer ring is arranged.

[0008] Further, the main jet nozzle comprises a guide column, a bearing head, a high-pressure nozzle, and an elastic guide pipe. The front end surface of the bearing head is provided with a high-pressure nozzle coaxially distributed therewith. The side surface of the bearing head is provided with at least three high-pressure nozzles distributed around the axis of the bearing head. Each high-pressure nozzle is connected with the elastic guide pipe. The rear end surface of the elastic guide pipe is connected with the rotating connection pipe head, and the elastic guide pipe is connected with the guide pipe through the rotating connection pipe head. The guide column is coaxially distributed with the rotating shaft of the hydraulic rotating device, and the rear end surface of the guide column is connected with the hydraulic rotating device.

[0009] Furthermore, the guide post includes a bearing post, an elastic telescopic rod, a disc spring, an auxiliary spring post, and a guide sleeve. The bearing post is a cylindrical structure with its rear end face connected to a hydraulic rotating device. Its front end face has an assembly shaft hole coaxially distributed with it. At least 1 / 4 of the effective length of the elastic telescopic rod is located inside the assembly shaft hole, coaxially distributed with the assembly shaft hole, and connected to the bearing post through the assembly shaft hole. The front end face of the elastic telescopic rod is connected to and coaxially distributed with the bearing head. Meanwhile, the guide sleeve covers the elastic telescopic rod, is coaxially distributed with and slidably connected to the elastic telescopic rod, and is located outside the front end face of the bearing post, and is abutted against the front end face of the bearing post by a disc spring. The outer side of the guide sleeve is connected to the outer side of the bearing post by at least two auxiliary spring posts evenly distributed around the axis of the bearing post, and the axis of the auxiliary spring posts forms an angle of 0° to 30° with the axis of the bearing post.

[0010] Furthermore, the elastic telescopic rod is at least a two-stage hydraulic telescopic rod, and is connected to a multi-way valve through a flexible high-pressure pipeline.

[0011] Furthermore, the multi-way valve is an electrically controlled valve, and the multi-way valve is also electrically connected to a terminal block via a wire.

[0012] This new type of equipment has a simple structure, is flexible and convenient to operate, has low usage and maintenance costs, and is easy to master and promote. On the one hand, it can effectively meet the needs of rapid cleaning operations inside various pipeline equipment, and effectively improve the comprehensive utilization rate and cleaning quality of cleaning agents. On the other hand, it effectively reduces the labor cost and labor intensity of cleaning operations. Attached Figure Description

[0013] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments;

[0014] Fig. 1 This is a schematic diagram of the front view of the structure of this novel invention;

[0015] Fig. 2 This is a partial side-section structural diagram of the present invention;

[0016] Fig. 3 This is a partial structural diagram of the guide column. Detailed Implementation

[0017] To facilitate the implementation of the technical means, creative features, objectives, and effects of this invention, the following detailed description of the invention is provided in conjunction with specific implementation methods.

[0018] like Figs. 1-3As shown, a chemical pipeline hydraulic rapid cleaning device, including bearing frame 1, main jet nozzle 2, auxiliary jet nozzle 3, hydraulic rotating device 4, rotating connection pipe head 5, quick connection pipe head 6, flexible high pressure pipeline 7, multi-way valve 8, bearing frame 1 circular spoke structure, its front end surface and hydraulic rotating device 4 are connected and connected with at least one main jet nozzle 2 through hydraulic rotating device 4, wherein the rotating shaft of hydraulic rotating device 4 is coaxially distributed with bearing frame 1, the main jet nozzle 2 and the bearing frame 1 axis angle is 0°-80°, and points to the front of the bearing frame 1, at the same time, the main jet nozzle 2 is located at least 10 cm in front of the bearing frame 1, the auxiliary jet nozzle 3 is at least three, embedded in the outer side of the bearing frame 1 and distributed around the bearing frame 1 axis, and each auxiliary jet nozzle 3 is distributed in spiral structure around the bearing frame 1 axis, at the same time, the auxiliary jet nozzle 3 axis and the bearing frame 1 axis angle is 30°-80°, and points to the rear of the bearing frame 1, the rear end surface of the bearing frame 1 is connected with a multi-way valve 8, and the multi-way valve 8 is communicated with the flexible high pressure pipeline 7, the hydraulic rotating device 4 and each main jet nozzle 2, auxiliary jet nozzle 3 through the flow guide pipe, the main jet nozzle 2 and the flow guide pipe are communicated through the rotating connection pipe head 5, the flexible high pressure pipeline 7 and the bearing frame 1 are coaxially distributed, the rear end surface is connected with the quick connection pipe head 6, and is communicated with the external pipeline system through the quick connection pipe head 6.

[0019] The bearing frame 1 comprises a positioning base plate 11, a spoke plate 12, a bearing outer ring 13, a universal ball 14, an elastic sheet 15, an elastic hinge 16, and a scraper 17. The positioning base plate 11 is a circular plate structure, and its outer side is connected with at least three spoke plates 12. The spoke plates 12 are evenly distributed around the axis of the positioning base plate 11 and are distributed along the radial direction of the positioning base plate 11. The spoke plate 12 is a strip structure with a rectangular cross section, and its plate surface is vertically distributed with the front end surface and the rear end surface of the positioning base plate 11. The bearing outer ring 13 is a closed circular structure coaxially distributed with the positioning base plate 11 and covers the positioning base plate 11. Its inner side is connected with the front end surface of each spoke plate 12. The cross-sectional width of the bearing outer ring 13 is at least 2 times the thickness of the positioning base plate 11. The front end surface and the rear end surface of the positioning base plate 11 are each provided with an assembly groove 18 coaxially distributed therewith. The two assembly grooves 18 are communicated through a through hole 19 provided at the groove bottom. The hydraulic rotary device 4 and the multi-way valve 8 are connected with the positioning base plate 11 through the assembly grooves 18. The ends of the flow guide pipe connected between the multi-way valve 8 and the hydraulic rotary device 4 and the main jet nozzle 2 are located in the assembly grooves 18 of the front end surface and the rear end surface of the positioning base plate 11 through the through hole 19. The universal ball 14 and the scraper 17 are each at least three, connected with the outer side of the bearing outer ring 13, and evenly distributed around the axis of the bearing outer ring 13. The universal ball 14 is elastically connected with the outer side of the rear half of the bearing outer ring 13 through the elastic sheet 15. The scraper 17 is a circular arc plate structure coaxially distributed with the bearing outer ring 13. Its rear end surface is hinged with the front end surface of the bearing outer ring through the elastic hinge. The plate surface of the scraper forms an angle of 0°-60° with the axis of the bearing outer ring 13. The auxiliary jet nozzle 3 is embedded in the outer side of the bearing outer ring 13, located behind the scraper 17 and between the adjacent two scrapers 17. The axis of the auxiliary jet nozzle 3 forms an angle of 0°-90° with the axis of the bearing outer ring 13, and the auxiliary jet nozzle 3 with an angle less than 90° is directed to the rear of the bearing outer ring 13.

[0020] In the auxiliary jet nozzle 3, part of the auxiliary jet nozzle 3 can be vertically distributed with the axis of the bearing outer ring 13 and intersected with the axis of the bearing outer ring 13. The remaining auxiliary jet nozzles 3 have an angle less than 90° with the axis of the bearing outer ring 13. The auxiliary jet nozzles 3 vertically distributed with the axis of the bearing outer ring 13 are evenly distributed around the axis of the bearing outer ring 13. Between the adjacent two auxiliary jet nozzles 3 vertically distributed with the axis of the bearing outer ring 13, at least one auxiliary jet nozzle 3 with an angle less than 90° with the axis of the bearing outer ring 13 is arranged.

[0021] In the embodiment, the main jet nozzle 2 comprises a guide column 21, a bearing head 22, high-pressure nozzles 23, and an elastic guide tube 24. The front end surface of the bearing head 22 is provided with a high-pressure nozzle 23 coaxially distributed therewith, and the side surface thereof is provided with at least three high-pressure nozzles 23 evenly distributed around the axis thereof. Each high-pressure nozzle 23 is in communication with the elastic guide tube 24, and the rear end surface of the elastic guide tube 24 is connected with the rotary connecting pipe head 5 and is in communication with the guide tube through the rotary connecting pipe head 5. The guide column 21 is coaxially distributed with the rotating shaft of the hydraulic rotating device 4, and the rear end surface of the guide column 21 is connected with the hydraulic rotating device 4.

[0022] In addition, the guide column 21 comprises a bearing column 211, an elastic telescopic rod 212, a disc spring 213, auxiliary spring columns 214, and a guide sleeve 215. The bearing column 211 is in the form of a cylinder, the rear end surface thereof is connected with the hydraulic rotating device 4, and the front end surface thereof is provided with an assembly shaft hole 216 coaxially distributed therewith. The effective length of at least 1 / 4 of the elastic telescopic rod 212 is located in the assembly shaft hole 216, and the elastic telescopic rod 212 is coaxially distributed with the assembly shaft hole 216 and is connected with the bearing column 211 through the assembly shaft hole 216. The front end surface of the elastic telescopic rod 212 is connected with and coaxially distributed with the bearing head 22. Meanwhile, the guide sleeve 215 is covered on the elastic telescopic rod 212, is coaxially distributed with the elastic telescopic rod 212 and is slidingly connected with the elastic telescopic rod 212. The guide sleeve 215 is located outside the front end surface of the bearing column 211 and is abutted with the front end surface of the bearing column 211 through the disc spring 213. The outer side surface of the guide sleeve 215 is connected with the outer side surface of the bearing column 211 through at least two auxiliary spring columns 214 evenly distributed around the axis of the bearing column 211, and the axis of the auxiliary spring column 214 forms an angle of 0°-30° with the axis of the bearing column 211.

[0023] Further optimization is that the elastic telescopic rod 212 is at least two-stage hydraulic telescopic rod, and is in communication with the multi-way valve through a flexible high-pressure pipeline.

[0024] In the embodiment, the multi-way valve 8 is an electric control valve, and is electrically connected with a terminal 9 through a wire. In operation, the multi-way valve can be electrically connected with an external control circuit through the terminal, and the opening and closing state of the multi-way valve is controlled by the control circuit to adjust the operation state of the main jet nozzle, the auxiliary jet nozzle, and the hydraulic rotating device, so as to adjust the operation state of the entire device and the cleaning operation state.

[0025] In operation, the quick connecting pipe head is connected with an external high-pressure cleaning agent supply system, such as a high-pressure water system. Then, the assembled device is placed into the pipe opening to be cleaned, the bearing frame is parallelly distributed with the axis of the pipe to be cleaned, the outer diameter of the bearing frame is slightly smaller than the inner diameter of the pipe, the universal ball and the scraper are abutted with and slidingly connected with the pipe to be cleaned.

[0026] Then the external high-pressure medium is directly delivered into the new type, and the multi-way valve arranged in the new type delivers the high-pressure medium to the main jet nozzle, the auxiliary jet nozzle and the hydraulic rotating device, on the one hand, the main jet nozzle and the auxiliary jet nozzle directly spray the high-pressure medium to the inside space of the pipeline and the pipeline wall, so as to clean the sundries attached to the pipeline wall, and the sundries after cleaning are discharged out of the pipeline together with the medium after pressure reduction; on the other hand, when the auxiliary jet nozzle operates, a rear driving force is provided for the whole bearing frame by the included angle between the auxiliary jet nozzle and the axis of the bearing frame, on the one hand, the discharge efficiency of the waste liquid after cleaning is accelerated, and the pipeline wall is cleaned again; on the other hand, a forward driving force is provided for the whole new type, so that the bearing frame runs forward along the axis direction of the pipeline under the rear driving force, so as to meet the needs of continuous close cleaning operation of the inside of the pipeline along the axis direction of the pipeline.

[0027] In addition, during the cleaning process, the hydraulic rotating device is simultaneously driven to rotate by the driving force of the external high-pressure medium, so that the main jet nozzle is continuously rotated during operation, so as to further improve the efficiency and uniformity of the cleaning operation.

[0028] The scraper arranged during operation can scrape and clean the stubborn pollutants on the pipeline wall, and can guide the accumulated cleaning agent containing pollutants in the pipeline.

[0029] The new type of equipment has simple structure, flexible and convenient operation, low equipment use and maintenance cost, is easy to master and popularize, on the one hand, can effectively meet the needs of rapid cleaning operation of the inside of various pipeline equipment, and effectively improve the comprehensive use rate of cleaning agent and the cleaning quality, on the other hand, effectively reduces the labor cost and labor intensity of the cleaning operation, and effectively improves the comprehensive utilization rate of resources.

[0030] The above shows and describes the basic principles and main features of the new type and the advantages of the new type. It should be understood by those skilled in the art that the new type is not limited by the above examples, the above examples and descriptions in the specification are only to illustrate the principles of the new type, various changes and improvements of the new type can be made without departing from the spirit and scope of the new type, and these changes and improvements all fall within the scope of the claimed new type. The scope of protection of the new type is defined by the appended claims and their equivalents.

Claims

1. A hydraulic quick cleaning device for chemical pipeline, characterized in that: The chemical pipeline hydraulic pressure rapid cleaning device includes a bearing frame, a main jet nozzle, an auxiliary jet nozzle, a hydraulic rotary device, a rotary connecting pipe head, a quick connecting pipe head, a flexible high-pressure pipeline and a multi-way valve. The bearing frame is a circular spoke structure, and its front end surface is connected with the hydraulic rotary device and at least one main jet nozzle through the hydraulic rotary device. The rotary shaft of the hydraulic rotary device is coaxially distributed with the bearing frame. The main jet nozzle has an angle of 0°-80° with the bearing frame axis and points to the front of the bearing frame. The main jet nozzle is located at least 10 cm in front of the bearing frame. The auxiliary jet nozzle is at least three, embedded in the outer side surface of the bearing frame and distributed around the bearing frame axis. Each auxiliary jet nozzle is distributed in a spiral structure around the bearing frame axis. The auxiliary jet nozzle axis has an angle of 30°-80° with the bearing frame axis and points to the rear of the bearing frame. The rear end surface of the bearing frame is connected with a multi-way valve. The multi-way valve is connected with the flexible high-pressure pipeline, the hydraulic rotary device and each main jet nozzle and auxiliary jet nozzle through the flow guide pipe. The main jet nozzle and the flow guide pipe are connected with each other through the rotary connecting pipe head. The flexible high-pressure pipeline is coaxially distributed with the bearing frame. Its rear end surface is connected with the quick connecting pipe head and connected with the external pipeline system through the quick connecting pipe head.

2. The hydraulic quick cleaning device for chemical pipeline according to claim 1, characterized in that: The bearing frame includes a positioning base plate, a spoke plate, a bearing outer ring, a universal ball, a spring piece, an elastic hinge and a scraper. The positioning base plate is a circular plate structure. Its outer side surface is connected with at least three spoke plates. The spoke plates are evenly distributed around the positioning base plate axis and distributed along the radial direction of the positioning base plate. The spoke plate is a strip structure with a rectangular cross section. Its plate surface is vertically distributed with the front end surface and the rear end surface of the positioning base plate. The bearing outer ring is a closed circular ring structure coaxially distributed with the positioning base plate and covers the positioning base plate. Its inner side surface is connected with the front end surface of each spoke plate. The cross-sectional width of the bearing outer ring is at least 2 times the thickness of the positioning base plate. The front end surface and the rear end surface of the positioning base plate are each provided with an assembly groove coaxially distributed therewith. The two assembly grooves are connected through the through hole arranged in the groove bottom. The hydraulic rotary device and the multi-way valve are connected with the positioning base plate through the assembly groove. The two ends of the flow guide pipe connected between the multi-way valve, the hydraulic rotary device and the main jet nozzle are located in the assembly grooves of the front end surface and the rear end surface of the positioning base plate through the through hole. The universal ball and the scraper are at least three, connected with the outer side surface of the bearing outer ring and evenly distributed around the bearing outer ring axis. The universal ball is elastically connected with the outer side surface of the rear half of the bearing outer ring through the spring piece. The scraper is a circular arc plate structure coaxially distributed with the bearing outer ring. Its rear end surface is hinged with the front end surface of the bearing outer ring through the elastic hinge. The plate surface of the scraper has an angle of 0°-60° with the bearing outer ring axis. The auxiliary jet nozzle is embedded in the outer side surface of the bearing outer ring, located behind the scraper and between the adjacent two scrapers. The auxiliary jet nozzle axis has an angle of 0°-90° with the bearing outer ring axis. The auxiliary jet nozzle with an angle less than 90° points to the rear of the bearing outer ring.

3. The hydraulic quick cleaning device for chemical pipeline according to claim 1 or 2, characterized in that: The auxiliary jet nozzle can be partially distributed perpendicularly to the bearing outer ring and intersected with the bearing outer ring, and the remaining auxiliary jet nozzle axes are distributed at an angle less than 90° with the bearing outer ring axis, wherein the auxiliary jet nozzle distributed perpendicularly to the bearing outer ring is uniformly distributed around the bearing outer ring axis, and at least one auxiliary jet nozzle distributed at an angle less than 90° with the bearing outer ring axis is arranged between two adjacent auxiliary jet nozzles distributed perpendicularly to the bearing outer ring.

4. The hydraulic quick cleaning device for chemical pipeline according to claim 1, characterized in that: The main jet nozzle comprises a guide column, a bearing head, a high-pressure nozzle, and an elastic guide pipe, wherein the front end surface of the bearing head is provided with a high-pressure nozzle coaxially distributed therewith, the side surface of the bearing head is provided with at least three high-pressure nozzles uniformly distributed around the axis thereof, each high-pressure nozzle is in communication with the elastic guide pipe, the rear end surface of the elastic guide pipe is connected with a rotary connection pipe head, and the rotary connection pipe head is in communication with the guide pipe, the guide column is coaxially distributed with the rotary shaft of the hydraulic rotary device, and the rear end surface of the guide column is connected with the hydraulic rotary device.

5. The hydraulic quick cleaning device for chemical pipeline according to claim 4, characterized in that: The guide column comprises a bearing column, an elastic telescopic rod, a disc spring, an auxiliary spring column, and a guide sleeve, wherein the bearing column is a cylindrical structure, the rear end surface of the bearing column is connected with the hydraulic rotary device, the front end surface of the bearing column is provided with an assembly shaft hole coaxially distributed therewith, at least 1 / 4 of the effective length of the elastic telescopic rod is located in the assembly shaft hole, the elastic telescopic rod is coaxially distributed with the assembly shaft hole and connected with the bearing column through the assembly shaft hole, the front end surface of the elastic telescopic rod is connected with and coaxially distributed with the bearing head, the guide sleeve is sleeved on the elastic telescopic rod, coaxially distributed with the elastic telescopic rod and slidably connected with the elastic telescopic rod, the guide sleeve is located outside the front end surface of the bearing column and abuts against the front end surface of the bearing column through the disc spring, the outer side surface of the guide sleeve is connected with the outer side surface of the bearing column through at least two auxiliary spring columns uniformly distributed around the axis of the bearing column, and the axis of the auxiliary spring column forms an angle of 0°-30° with the axis of the bearing column.

6. The hydraulic quick cleaning device for chemical pipeline according to claim 5, characterized in that: The elastic telescopic rod is at least two-stage hydraulic telescopic rod and is in communication with the multi-way valve through a flexible high-pressure pipeline.

7. The hydraulic quick cleaning device for chemical pipeline according to claim 1, characterized in that: The multi-way valve is an electric control valve, and the multi-way valve is electrically connected with a terminal through a wire.