CN114308921B - Method for cleaning capillary jet of narrow-diameter infusion pipeline - Google Patents
Method for cleaning capillary jet of narrow-diameter infusion pipeline Download PDFInfo
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- CN114308921B CN114308921B CN202111629125.7A CN202111629125A CN114308921B CN 114308921 B CN114308921 B CN 114308921B CN 202111629125 A CN202111629125 A CN 202111629125A CN 114308921 B CN114308921 B CN 114308921B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 29
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Abstract
The invention discloses a capillary jet cleaning method for a narrow-diameter infusion pipeline, which is characterized in that a device adopted by a cleaning technology comprises a plate body and a PLC (programmable logic controller), wherein a jet assembly is arranged at the bottom of the plate body, and a driving mechanism for conveying a dredging piece and a fastening mechanism for clamping the narrow-diameter pipe body are arranged at the top of the plate body. According to the invention, the jet flow component and the dredging piece are arranged, so that the dredging piece is led into the narrow-diameter pipe body to dredge the blockage in the narrow-diameter pipe body, and after the capillary enters the narrow-diameter pipe body, the micro high-pressure infusion pump fills liquid into the capillary to be ejected out, and the liquid is sputtered on the inner wall of the narrow-diameter pipe body, so that the dredging effect is achieved; before the dredging part is pulled out, the miniature high-pressure gas transmission pump inflates the gas bag through the capillary tube, so that the gas bag is tightly attached to the inner wall of the narrow-diameter pipe body, dirt can be taken out together, the cleaning effect of the infusion pipe body is improved, and the residue of the dirt is reduced.
Description
Technical Field
The invention relates to the technical field of liquid chromatography infusion pipelines, in particular to a method for cleaning capillary jet flow of a narrow-diameter infusion pipeline.
Background
With advances in technology and society, spectroscopy and chromatography are increasingly being used in the field of environmental detection. Wherein the pipeline plays an important role in fluid transmission in the chromatographic system, the pipeline with large inner diameter can cause the increase of dead volume of the system, the decrease of theoretical plate number and peak tailing, and the selection of the pipeline with small inner diameter can cause the increase of system pressure, the increase of load of a pump and the reduction of service life of a chromatographic column. The line is coupled to an atomizing device to atomize the sample while simultaneously carrying fluid transport in the spectroscopy.
In order to obtain ideal analysis results, narrow-diameter pipeline connection technology is often adopted in chromatography and spectroscopy, and the currently commonly used connection pipelines are made of stainless steel, peek, PTFE and other materials, so that the narrow-diameter pipeline connection technology has a special important position in the field of environmental analysis.
Because the pipe diameter of the conventional pipeline is smaller, the blockage phenomenon easily occurs in the pipeline under the condition of insufficient sample filtration or imperfect cleaning and maintenance of the infusion system. Blockage of the line can cause the transport of the sample to be blocked or stopped, resulting in distortion of the analysis results or paralysis of the analysis system. Most of the current methods for blocking pipelines comprise three methods, wherein the first method is to replace the blocked pipelines by adopting a replacement method, and equipment such as an ICP or an ICP-MS atomizer which is arranged in a narrow diameter is often required to be replaced in whole parts after being blocked, so that the use cost of the instrument is increased; the second is to adopt ultrasonic or back pressure flushing technology, but is often limited by factors such as longer length of the pipeline, materials, blocking sites and the like, so that blocked dirt in the pipeline is difficult to completely discharge, and the problem of incomplete cleaning exists; thirdly, the metal wire is adopted for dredging, because the diameter and the hardness of the metal wire often have contradiction, the metal wire with small diameter is insufficient in hardness, the dredging effect is limited, the hardness with large diameter is also larger, on one hand, the metal wire is difficult to penetrate into a narrow-diameter infusion pipeline, and on the other hand, the distance of the metal wire with small diameter penetrating into the pipeline is limited because of the restriction of the hardness. In order to solve the problems, the invention adopts a combination of capillary and jet technology to clean the narrow-diameter infusion line.
Disclosure of Invention
The invention aims at: in order to solve the problems, a capillary jet cleaning method for a narrow-diameter infusion pipeline is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the device adopted by the cleaning technology comprises a plate body and a PLC (programmable logic controller), wherein the horizontal two ends of the plate body are respectively and rotatably connected with a first hollow roller and a third hollow roller, one end of the interior of the first hollow roller is provided with a first pipe body, one end of the first pipe body is fixedly connected with the inner wall of the first hollow roller, the other end of the first pipe body is rotatably connected with the plate body through a bearing, the outer wall of the first hollow roller is provided with a connector, a dredging piece is wound and arranged, one end of the dredging piece is communicated with the first pipe body through the connector, the outer side of the third hollow roller is provided with a second hollow roller which is coaxially distributed, the second hollow roller is fixedly connected with the plate body, a plurality of annular grooves which are uniformly distributed are formed in the inner wall of the second hollow roller, the grooves are formed in the second hollow roller along the axial direction, strip-shaped electromagnets are arranged in the grooves, a spiral guide piece and a narrow-diameter pipe body are arranged on the inner wall of the third hollow roller, the narrow-diameter pipe body is in a spiral structure along the guide piece, a jet flow assembly is arranged at the bottom of the plate body, a driving mechanism for conveying dredging pieces and a fastening mechanism for clamping the narrow-diameter pipe body are arranged at the top of the plate body, and a transmission assembly is arranged between the driving mechanism and the first hollow roller;
the jet flow assembly comprises a miniature high-pressure air delivery pump, a first miniature three-way electromagnetic valve, a second miniature three-way electromagnetic valve, a first liquid storage tank and a second liquid storage tank, wherein two ports of the second miniature three-way electromagnetic valve are respectively communicated with the first liquid storage tank and the second liquid storage tank, the remaining ports of the second miniature three-way electromagnetic valve are respectively communicated with the input end of the miniature high-pressure air delivery pump, two ports of the first miniature three-way electromagnetic valve are respectively communicated with the output ends of the miniature high-pressure air delivery pump and the miniature high-pressure air delivery pump, the remaining ports of the first miniature three-way electromagnetic valve are provided with a second pipe body, the second pipe body is communicated with the first pipe body through a sealing bearing, and water and magnetic fluid are respectively filled in the first liquid storage tank and the second liquid storage tank;
the use flow of the cleaning device comprises the following steps:
s1, arranging a dredging piece and a narrow-diameter pipe body, winding the dredging piece on the outer side of a first hollow roller, fixedly connecting one end of the dredging piece with a connector and the first hollow roller, penetrating the narrow-diameter pipe body from one end of a third hollow roller, extending the narrow-diameter pipe body along a guide plate until the narrow-diameter pipe body penetrates out from the other end of the third hollow roller, and fixing the narrow-diameter pipe body through a fastening mechanism;
s2, conveying the dredging piece, driving the dredging piece to move through a driving mechanism, enabling the dredging piece to enter the inside of the narrow-diameter pipe body, after the dredging piece moves to a position where the narrow-diameter pipe body is spiral, introducing water or water and magnetic fluid mixed liquid into the inside of the dredging piece through pressurization of a jet flow assembly, spraying out the part of the dredging piece entering the inside of the narrow-diameter pipe body, and powering on all electromagnets;
s3, taking out the dredging piece, pulling out the dredging piece through a driving mechanism, electrifying a part of electromagnets at the bottom of the second hollow roller, and enabling the narrow-diameter pipe body to withdraw from the third hollow roller.
Preferably, the dredging piece comprises at least one elastic hollow capillary, one end of the elastic hollow capillary entering the inside of the narrow-diameter pipe body is provided with a through hole and a sealing plug, a detachable air bag is arranged, and the front end of the sealing plug is conical.
Preferably, the driving mechanism comprises a first fixing seat and a second fixing seat, two first roller bodies distributed along the vertical direction are rotationally connected to the first fixing seat, two second roller bodies distributed along the horizontal direction are rotationally connected to the second fixing seat, gears are arranged at the same ends of the two second roller bodies, a first driving piece is arranged at the top of the plate body, and the output end of the first driving piece is fixedly connected with one gear.
Preferably, the transmission assembly comprises two transmission wheels and a transmission belt, and the two transmission wheels are fixedly connected with the first hollow roller and one second roller body respectively.
Preferably, the fastening mechanism comprises a third fixing seat, the top of the third fixing seat is fixedly connected with a lower die body, an upper die body is arranged on the side face of the third fixing seat through a connecting assembly, arc-shaped clamping grooves are formed in the top of the lower die body and the bottom of the upper die body, and a pull ring is fixedly connected to the top of the upper die body.
Preferably, the connecting assembly comprises two swinging rods and a spring, the upper die body, the lower die body and the two swinging rods form a parallelogram structure, two ends of the spring are respectively connected with a third fixing seat and the upper die body in a rotating mode, the spring is arranged in parallel with the swinging rods, and a stop block used for preventing the swinging rods from rotating is fixedly connected to the side face of the third fixing seat.
Preferably, the bottom fixedly connected with collecting vat of second hollow roller, the bottom fixedly connected with back flow of collecting vat, and back flow and second liquid storage pot intercommunication, the side of plate body is provided with the second driving piece, and the output and the third hollow roller fixed connection of second driving piece.
Preferably, the bottom of plate body is provided with the open casing in top, the plate body passes through bolt fixed connection in the inside of casing, have the rectangle on the plate body and lead to the groove, and the rectangle leads to the groove to be located between actuating mechanism and the fastening mechanism, the inside of casing is provided with detachable waste tank, and the waste tank is located the bottom of rectangle through the groove.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the device, the jet flow component and the dredging piece are arranged, the dredging piece is led into the narrow-diameter pipe body to dredge blockage in the narrow-diameter pipe body, the jet flow component is provided with the miniature high-pressure air conveying pump and the miniature high-pressure liquid conveying pump, the dredging piece is composed of at least one elastic hollow capillary, when the dredging piece is a capillary, the front end of the capillary is provided with the sealing plug, after the capillary enters the narrow-diameter pipe body, the miniature high-pressure liquid conveying pump fills liquid into the capillary, the liquid is sprayed out of a through hole at the front end of the capillary under the action of pressure, and is sputtered on the inner wall of the narrow-diameter pipe body to wash dirt on the inner wall, so that the dredging effect is achieved; when the dredging piece is two capillaries, the front end of one capillary is provided with a sealing plug, the front end of the other capillary is provided with an air bag, and before the dredging piece is pulled out, the miniature high-pressure air pump inflates the air bag through the capillaries to expand the air bag, so that the air bag is tightly attached to the inner wall of the narrow-diameter tube body, dirt can be taken out together in the pulling-out process, the cleaning effect of the infusion tube body is improved, and less dirt remains.
2. The utility model provides a through setting up first liquid storage pot and second liquid storage pot, deposit water and magnetic current body respectively, fill the capillary with the mixed solution of water and magnetic current body by miniature high pressure infusion pump in, wash away the inner wall of narrow diameter body, plate body one end sets up second hollow roller and third hollow roller, the inboard of second hollow roller sets up a plurality of electro-magnets, the inside of third hollow roller sets up helical guide piece, narrow diameter body is the heliciform and distributes along the guide piece in the third hollow roller, the capillary can take place to crookedly when moving in narrow diameter body, can laminate narrow diameter body inner wall outside one side under the effect of stress, magnetic current body in the mixed solution is located narrow diameter body outside one side all the time under the effect of inhaling of magnetism of electro-magnet, so the magnetic current body is between the inner wall of capillary and narrow diameter body, the effect of lubrication is played for the removal of capillary, reduce friction reduction resistance, more easily dredge the capillary pipeline.
3. This application is through setting up PLC controller, first driving piece, second driving piece, hall sensor, and first driving piece can realize the automation mechanized operation that elasticity hollow capillary was given and was pulled out under the PLC controller setting, has improved the degree of automation of whole device, improves clear efficiency. After cleaning, when exiting the narrow diameter pipe body, the electromagnet positioned at the lower end of the inner side of the second hollow roller is electrified, magnetic fluid flows out of the narrow diameter pipe body under the action of magnetic attraction and gathers at the bottom of the inner side of the third hollow roller, the second driving piece can drive the third hollow roller to rotate, after the electromagnet is closed, under the pushing action of the guide piece, the rest magnetic fluid falls into the collecting tank, returns to the second liquid storage tank along the return pipe, so that the recovery and reutilization of the magnetic fluid are realized, and the resource waste is reduced.
4. This application is through setting up fastening mechanism on the plate body, can carry out quick fastening and pine to the narrow diameter body of multiple internal diameter size and take off, fastening mechanism comprises last die body, lower die body and coupling assembling, coupling assembling comprises swinging arms and spring, the swinging arms sets up two, constitute parallelogram structure, it is removed with the mode of translation all the time to guarantee to go up the die body, make last die body and die body closely laminate narrow diameter body all the time when fastening down, improve the firmness of centre gripping, and the spring sets up between two swinging arms, make the spring shrink through the removal of last die body, fastening mechanism compact structure is stable, the operation is swift simple.
Drawings
Fig. 1 is a schematic view showing the overall structure of a cleaning device according to an embodiment of the present invention;
fig. 2 shows a schematic view of a first view structure of a board body according to an embodiment of the invention;
fig. 3 shows a schematic view of a second view structure of a board body according to an embodiment of the invention;
fig. 4 shows a schematic view of a third view structure of a board body according to an embodiment of the invention;
FIG. 5 shows a schematic diagram of the structure of a narrow diameter tube, an elastic hollow capillary and a cleaning device provided according to an embodiment of the present invention;
FIG. 6 shows a schematic view of a fastening structure of a narrow diameter pipe body provided according to an embodiment of the present invention;
FIG. 7 shows a schematic view of the internal structure of a first hollow roller provided according to an embodiment of the present invention;
fig. 8 is a schematic view showing the internal structures of a second hollow roller and a third hollow roller provided according to an embodiment of the present invention;
FIG. 9 shows a schematic diagram of a combination structure of a narrow diameter tube body and an elastic hollow capillary tube provided according to an embodiment of the present invention;
FIG. 10 shows a schematic cross-sectional structure of a narrow diameter pipe body provided in accordance with an embodiment of the present invention;
fig. 11 shows a schematic view of the front end structure of a dredging member according to an embodiment of the invention.
Legend description:
1. a housing; 2. a plate body; 3. a first hollow roller; 4. a first fixing seat; 5. a first roller body; 6. the second fixing seat; 7. a second roller body; 8. a gear; 9. a first driving member; 10. a driving wheel; 11. a transmission belt; 12. a miniature high-pressure air delivery pump; 13. miniature high-pressure infusion pump; 14. a first miniature three-way solenoid valve; 15. a second miniature three-way electromagnetic valve; 16. a first liquid storage tank; 17. a second liquid storage tank; 18. a first tube body; 19. a connector; 20. a second tube body; 21. an elastic hollow capillary tube; 22. a second hollow roller; 23. a groove; 24. an electromagnet; 25. a third hollow roller; 26. a guide piece; 27. a narrow diameter pipe body; 28. a through hole; 29. a sealing plug; 30. an air bag; 31. a second driving member; 32. a third fixing seat; 33. a lower die body; 34. an upper die body; 35. a swinging rod; 36. a spring; 37. a pull ring; 38. a collection tank; 39. a return pipe; 40. rectangular through grooves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution:
the utility model provides a narrow diameter transfusion line capillary jet cleaning method, the device that cleaning technology adopted includes plate body 2 and PLC controller, the level both ends of plate body 2 are rotated respectively and are connected with first hollow roller 3 and third hollow roller 25, the inside one end of first hollow roller 3 is provided with first body 18, the one end of first body 18 and the inner wall fixed connection of first hollow roller 3, the other end is connected with plate body 2 through the bearing rotation, the outer wall of first hollow roller 3 is provided with connector 19, and the winding is provided with the mediation piece, the one end of mediation piece is through connector 19 and first body 18 intercommunication, the outside of third hollow roller 25 is provided with the second hollow roller 22 of coaxial distribution, second hollow roller 22 and plate body 2 fixed connection, and a plurality of annular evenly distributed's recess 23 have on the inner wall of second hollow roller 22, recess 23 sets up along the axial direction of second hollow roller 22, and the inside of recess 23 is provided with bar-shaped electro-magnet 24, be provided with helical guide piece 26 and narrow diameter body 27 on the inner wall of third hollow roller 25, narrow body 27 is provided with guide piece 26 and narrow diameter body 27, narrow body 27 is provided with the guide piece for the guide piece body along the guide body 2 and the bottom of the body, the centre gripping mechanism that is used for the drive assembly is provided with between the hollow roller 2 and the top of the drive assembly, the top is used for the transmission assembly, the top is provided with the hollow body, the drive assembly is used for the top. The jet flow assembly comprises a miniature high-pressure infusion pump 12, a miniature high-pressure infusion pump 13, a first miniature three-way electromagnetic valve 14, a second miniature three-way electromagnetic valve 15, a first liquid storage tank 16 and a second liquid storage tank 17, two ports of the second miniature three-way electromagnetic valve 15 are respectively communicated with the first liquid storage tank 16 and the second liquid storage tank 17, the remaining ports of the second miniature three-way electromagnetic valve 15 are communicated with the input end of the miniature high-pressure infusion pump 13, two ports of the first miniature three-way electromagnetic valve 14 are respectively communicated with the output ends of the miniature high-pressure infusion pump 12 and the miniature high-pressure infusion pump 13, the remaining ports of the first miniature three-way electromagnetic valve 14 are provided with a second pipe body 20, the second pipe body 20 is communicated with the first pipe body 18 through a sealing bearing, and water and magnetic fluid are respectively filled in the interiors of the first liquid storage tank 16 and the second liquid storage tank 17; the dredging member comprises at least one elastic hollow capillary tube 21, one end of the elastic hollow capillary tube 21 entering the inside of the narrow diameter tube body 27 is provided with a through hole 28 and a sealing plug 29, and is provided with a detachable air bag 30, and the front end of the sealing plug 29 is conical. The driving mechanism comprises a first fixing seat 4 and a second fixing seat 6, wherein two first roller bodies 5 distributed along the vertical direction are rotationally connected to the first fixing seat 4, two second roller bodies 7 distributed along the horizontal direction are rotationally connected to the second fixing seat 6, gears 8 are arranged at the same ends of the two second roller bodies 7, a first driving piece 9 is arranged at the top of the plate body 2, and the output end of the first driving piece 9 is fixedly connected with one gear 8. The transmission assembly comprises two transmission wheels 10 and a transmission belt 11, and the two transmission wheels 10 are fixedly connected with the first hollow roller 3 and the second roller body 7 respectively. The fastening mechanism comprises a third fixing seat 32, a lower die body 33 is fixedly connected to the top of the third fixing seat 32, an upper die body 34 is arranged on the side face of the third fixing seat 32 through a connecting assembly, circular arc clamping grooves are formed in the top of the lower die body 33 and the bottom of the upper die body 34, and a pull ring 37 is fixedly connected to the top of the upper die body 34. The connecting assembly comprises two swing rods 35 and springs 36, the upper die body 34, the lower die body 33 and the two swing rods 35 form a parallelogram structure, two ends of each spring 36 are respectively connected with the third fixing seat 32 and the upper die body 34 in a rotating mode, the springs 36 are arranged in parallel with the swing rods 35, and a stop block used for preventing the swing rods 35 from rotating is fixedly connected to the side face of the third fixing seat 32. The bottom fixedly connected with collecting vat 38 of second hollow roller 22, the bottom fixedly connected with back flow 39 of collecting vat 38, and back flow 39 and second liquid storage pot 17 intercommunication, the side of plate body 2 is provided with second driving piece 31, and the output and the third hollow roller 25 fixed connection of second driving piece 31. The bottom of plate body 2 is provided with open top's casing 1, and plate body 2 passes through bolt fixed connection in the inside of casing 1, has rectangle logical groove 40 on the plate body 2, and rectangle logical groove 40 is located between actuating mechanism and the fastening mechanism, and the inside of casing 1 is provided with detachable waste tank, and the waste tank is located the bottom of rectangle logical groove 40.
The use process of the cleaning device comprises the following steps:
s1, arranging a dredging piece and a narrow diameter pipe body 27, winding the dredging piece on the outer side of a first hollow roller 3, fixedly connecting one end of the dredging piece with a connector 19 and the first hollow roller 3, penetrating the narrow diameter pipe body 27 from one end of a third hollow roller 25, extending the narrow diameter pipe body 27 along a guide piece 26 until penetrating out from the other end of the third hollow roller 25, and fixing the narrow diameter pipe body by a fastening mechanism;
s2, conveying the dredging piece, driving the dredging piece to move through a driving mechanism, enabling the dredging piece to enter the inside of the narrow-diameter pipe body 27, after the dredging piece moves to a position where the narrow-diameter pipe body 27 is spiral, introducing water or water and magnetic fluid mixed liquid into the inside of the dredging piece through pressurization of a jet assembly, spraying out the part of the dredging piece entering the inside of the narrow-diameter pipe body 27, and electrifying all electromagnets 24;
s3, taking out the dredging piece, pulling out the dredging piece through a driving mechanism, electrifying a part of electromagnets 24 at the bottom of the second hollow roller 22, and then enabling the narrow diameter pipe 27 to withdraw from the third hollow roller 25.
Specifically, as shown in fig. 1, fig. 5, and fig. 7-11, the device that washs the technique and adopts includes plate body 2 and PLC controller, the level both ends of plate body 2 are rotated respectively and are connected with first hollow roller 3 and third hollow roller 25, the inside one end of first hollow roller 3 is provided with first body 18, the one end of first body 18 and the inner wall fixed connection of first hollow roller 3, the other end passes through the bearing and is connected with plate body 2 rotation, the outer wall of first hollow roller 3 is provided with connector 19, and the winding is provided with the mediation piece, one end of mediation piece is through connector 19 and first body 18 intercommunication, the outside of third hollow roller 25 is provided with the second hollow roller 22 of coaxial distribution, second hollow roller 22 and plate body 2 fixed connection, and a plurality of annular evenly distributed's recess 23 have on the inner wall of second hollow roller 22, recess 23 is along the axial direction of second hollow roller 22, and the inside of recess 23 is provided with bar-shaped electro-magnet 24, be provided with helical guide piece 26 and narrow body 27 on the inner wall of third hollow roller 25, be provided with helical guide piece 26 and narrow body 27 along the diameter body 27, the guide piece is provided with the diameter body 27 for the diameter body to be used for the centre gripping subassembly between the first body 2 and the drive assembly, the top is provided with, the clearance piece is provided with the drive assembly for the top, the clearance piece is used for the drive assembly is used for the top. The jet flow assembly comprises a miniature high-pressure infusion pump 12, a miniature high-pressure infusion pump 13, a first miniature three-way electromagnetic valve 14, a second miniature three-way electromagnetic valve 15, a first liquid storage tank 16 and a second liquid storage tank 17, two ports of the second miniature three-way electromagnetic valve 15 are respectively communicated with the first liquid storage tank 16 and the second liquid storage tank 17, the remaining ports of the second miniature three-way electromagnetic valve 15 are communicated with the input end of the miniature high-pressure infusion pump 13, two ports of the first miniature three-way electromagnetic valve 14 are respectively communicated with the output ends of the miniature high-pressure infusion pump 12 and the miniature high-pressure infusion pump 13, the remaining ports of the first miniature three-way electromagnetic valve 14 are provided with a second pipe body 20, the second pipe body 20 is communicated with the first pipe body 18 through a sealing bearing, and water and magnetic fluid are respectively filled in the interiors of the first liquid storage tank 16 and the second liquid storage tank 17. The dredging member comprises at least one elastic hollow capillary tube 21, one end of the elastic hollow capillary tube 21 entering the inside of the narrow diameter tube body 27 is provided with a through hole 28 and a sealing plug 29, and is provided with a detachable air bag 30, and the front end of the sealing plug 29 is conical. The bottom fixedly connected with collecting vat 38 of second hollow roller 22, the bottom fixedly connected with back flow 39 of collecting vat 38, and back flow 39 and second liquid storage pot 17 intercommunication, the side of plate body 2 is provided with second driving piece 31, and the output and the third hollow roller 25 fixed connection of second driving piece 31. The bottom of plate body 2 is provided with open top's casing 1, and plate body 2 passes through bolt fixed connection in the inside of casing 1, has rectangle logical groove 40 on the plate body 2, and rectangle logical groove 40 is located between actuating mechanism and the fastening mechanism, and the inside of casing 1 is provided with detachable waste tank, and the waste tank is located the bottom of rectangle logical groove 40.
Be provided with hall sensor on the actuating mechanism, can accurately control the transmission distance of mediation piece through the PLC controller, can carry out accurate washing to dirt position.
When the dredging piece adopts an elastic hollow capillary 21, after the elastic hollow capillary 21 moves to a spiral bending position of the narrow diameter pipe 27, the miniature high-pressure infusion pump 13 is started, under the control of the second miniature three-way electromagnetic valve 15, water and magnetic fluid mixed liquid enters the elastic hollow capillary 21 along the second pipe 20 and the first pipe 18 and is sprayed out from the through holes 28, after the electromagnets 24 on the inner side of the second hollow roller 22 are started, the generated magnetic attraction force enables the magnetic fluid to be attached to one side of the inner wall of the narrow diameter pipe 27, a layer of film is formed between the elastic hollow capillary 21 and the inner wall of the narrow diameter pipe 27, friction of the elastic hollow capillary 21 during movement can be reduced, dynamic loss of capillary movement is reduced, and therefore blocking dirt is broken through more easily, when the capillary is recovered, the electromagnet 24 on the bottom of the second hollow roller 22 is electrified, under the action of gravity and the magnetic attraction force, the magnetic fluid can be gathered on the lower part of the narrow diameter pipe 27, along with the magnetic fluid on the inner side bottom of the third hollow roller 25, and then the electromagnet 24 is closed, the third hollow roller 25 is driven by the electromagnet 24 to rotate by the second guide piece 31, and the residual magnetic fluid can be recovered, and the residual magnetic fluid can be driven by the third hollow roller 31 to rotate;
when the dredging piece adopts two elastic hollow capillaries 21, after one capillary is used for transferring mixed liquid, the other capillary is replaced, air is sent into the air bag 30 through the miniature high-pressure air transfer pump 12, so that the air bag 30 is expanded to be tightly attached to the inner wall of the narrow-diameter pipe body 27, the capillaries are recycled, and dirt can be carried out in the process of recycling the capillaries.
Specifically, as shown in fig. 5, the driving mechanism includes a first fixing seat 4 and a second fixing seat 6, two first roller bodies 5 distributed along the vertical direction are rotationally connected on the first fixing seat 4, two second roller bodies 7 distributed along the horizontal direction are rotationally connected on the second fixing seat 6, the same end of the two second roller bodies 7 is provided with a gear 8, the top of the plate body 2 is provided with a first driving piece 9, and the output end of the first driving piece 9 is fixedly connected with a gear 8.
When the dredging piece is arranged, the dredging piece firstly passes through the space between the two first roller bodies 5, then upwards winds one circle from the bottom of one second roller body 7, finally forwards extends from the top of the other second roller body 7, and enters the narrow diameter pipe body 27, and the first driving piece 9 enables the two second roller bodies 7 to reversely rotate through the two gears 8 to drive the dredging piece to move.
Specifically, as shown in fig. 6, the fastening mechanism includes a third fixing seat 32, a lower die body 33 is fixedly connected to the top of the third fixing seat 32, an upper die body 34 is disposed on a side surface of the third fixing seat 32 through a connecting component, circular arc clamping grooves are formed in the top of the lower die body 33 and the bottom of the upper die body 34, and a pull ring 37 is fixedly connected to the top of the upper die body 34. The connecting assembly comprises two swing rods 35 and springs 36, the upper die body 34, the lower die body 33 and the two swing rods 35 form a parallelogram structure, two ends of each spring 36 are respectively connected with the third fixing seat 32 and the upper die body 34 in a rotating mode, the springs 36 are arranged in parallel with the swing rods 35, and a stop block used for preventing the swing rods 35 from rotating is fixedly connected to the side face of the third fixing seat 32.
The narrow-diameter pipe body 27 is placed on the lower die body 33, then the pull ring 37 is manually dragged to enable the upper die body 34 to move, the swinging rod 35 and the spring 36 rotate, the spring 36 stretches the most in a vertical state, and the spring 36 contracts under the action of elasticity after tilting along with the rotation of the swinging rod 35, so that the upper die body 34 is driven to move downwards to press the narrow-diameter pipe body 27; when the upper die body 34 is moved reversely, the stop blocks can prevent the swinging rod 35 from rotating, so that a certain distance is reserved between the lower die body 33 and the upper die body 34, the operation of disassembling and assembling the narrow-diameter pipe body 27 can be realized only by moving the upper die body 34 through the pull ring 37, and the operation is convenient and simple.
In summary, in the method for cleaning the capillary jet of the narrow-diameter infusion line provided in the present embodiment, firstly, the dredging piece and the narrow-diameter tube 27 are provided, the dredging piece is wound on the outer side of the first hollow roller 3, one end of the dredging piece is fixedly connected with the connector 19 and the first hollow roller 3, the narrow-diameter tube 27 is penetrated from one end of the third hollow roller 25, the narrow-diameter tube 27 extends along the guiding sheet 26 until penetrating from the other end of the third hollow roller 25, and then is fixed by the fastening mechanism; then conveying the dredging piece, driving the dredging piece to move through a driving mechanism, enabling the dredging piece to enter the inside of the narrow-diameter pipe body 27, after the dredging piece moves to a position where the narrow-diameter pipe body 27 is spiral, introducing water or water and magnetic fluid mixed liquid into the inside of the dredging piece through pressurization of a jet assembly, spraying out the part of the dredging piece entering the inside of the narrow-diameter pipe body 27, and electrifying all electromagnets 24; finally, the dredging piece is taken out, pulled out through the driving mechanism, partial electromagnet 24 at the bottom of the second hollow roller 22 is electrified, and then the narrow diameter pipe 27 is pulled out of the third hollow roller 25.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a narrow diameter infusion pipeline capillary jet cleaning method, its characterized in that, the device that cleaning method adopted includes plate body (2) and PLC controller, the level both ends of plate body (2) are rotated respectively and are connected with first hollow roller (3) and third hollow roller (25), the inside one end of first hollow roller (3) is provided with first body (18), the one end of first body (18) and the inner wall fixed connection of first hollow roller (3), the other end passes through bearing and plate body (2) swivelling joint, the outer wall of first hollow roller (3) is provided with connector (19) to the winding is provided with the mediation piece, the one end of mediation piece is provided with first body (18) through connector (19) intercommunication, the outside of third hollow roller (25) is provided with coaxial distributed second hollow roller (22), second hollow roller (22) and plate body (2) fixed connection, and have a plurality of annular evenly distributed recess (23) on the inner wall of second hollow roller (22), second hollow roller (23) are provided with the direction of spiral drum (26) along the inside diameter of spiral roll (27) and the spiral drum (27) is provided with on the inner wall (27) of spiral drum (27), the bottom of the plate body (2) is provided with a jet flow assembly, the top of the plate body (2) is provided with a driving mechanism for conveying dredging pieces and a fastening mechanism for clamping the narrow-diameter pipe body (27), and a transmission assembly is arranged between the driving mechanism and the first hollow roller (3);
the jet flow assembly comprises a miniature high-pressure air delivery pump (12), a miniature high-pressure air delivery pump (13), a first miniature three-way electromagnetic valve (14), a second miniature three-way electromagnetic valve (15), a first liquid storage tank (16) and a second liquid storage tank (17), two ports of the second miniature three-way electromagnetic valve (15) are respectively communicated with the first liquid storage tank (16) and the second liquid storage tank (17), the remaining ports of the second miniature three-way electromagnetic valve (15) are communicated with the input end of the miniature high-pressure air delivery pump (13), two ports of the first miniature three-way electromagnetic valve (14) are respectively communicated with the output ends of the miniature high-pressure air delivery pump (12) and the miniature high-pressure air delivery pump (13), the remaining ports of the first miniature three-way electromagnetic valve (14) are provided with a second pipe body (20), the second pipe body (20) is respectively communicated with the first pipe body (18) through a sealing bearing, and water and magnetic fluid are respectively filled in the first liquid storage tank (16) and the second liquid storage tank (17);
the method for cleaning the capillary jet of the narrow-diameter infusion pipeline comprises the following steps of:
s1, arranging a dredging piece and a narrow diameter pipe body (27), winding the dredging piece on the outer side of a first hollow roller (3), fixedly connecting one end of the dredging piece with a connector (19) and the first hollow roller (3), penetrating the narrow diameter pipe body (27) from one end of a third hollow roller (25), extending the narrow diameter pipe body (27) along a guide piece (26) until the narrow diameter pipe body penetrates out from the other end of the third hollow roller (25), and fixing the narrow diameter pipe body through a fastening mechanism;
s2, conveying the dredging piece, driving the dredging piece to move through a driving mechanism, enabling the dredging piece to enter the inside of the narrow-diameter pipe body (27), after the dredging piece moves to a position where the narrow-diameter pipe body (27) is spiral, introducing water or water and magnetic fluid mixed liquid into the inside of the dredging piece in a pressurized mode through a jet assembly, spraying out the part of the dredging piece entering the inside of the narrow-diameter pipe body (27), and electrifying all electromagnets (24);
s3, taking out the dredging piece, pulling out the dredging piece through a driving mechanism, electrifying a part of electromagnets (24) at the bottom of the second hollow roller (22), and enabling the narrow-diameter pipe body (27) to withdraw from the third hollow roller (25).
2. A method of capillary jet cleaning of a narrow diameter infusion line according to claim 1, characterized in that the dredging means comprises at least one elastic hollow capillary (21), the end of the elastic hollow capillary (21) entering the interior of the narrow diameter tube (27) is provided with a through hole (28) and a sealing plug (29), and a detachable balloon (30) is provided, the front end of the sealing plug (29) being conical.
3. The capillary jet cleaning method for the narrow-diameter infusion pipeline according to claim 1, wherein the driving mechanism comprises a first fixing seat (4) and a second fixing seat (6), two first roller bodies (5) distributed along the vertical direction are rotationally connected to the first fixing seat (4), two second roller bodies (7) distributed along the horizontal direction are rotationally connected to the second fixing seat (6), gears (8) are arranged at the same ends of the two second roller bodies (7), a first driving piece (9) is arranged at the top of the plate body (2), and the output end of the first driving piece (9) is fixedly connected with one gear (8).
4. A method of cleaning a capillary jet of a narrow diameter infusion line according to claim 3, characterized in that the transmission assembly comprises two transmission wheels (10) and a transmission belt (11), the two transmission wheels (10) being fixedly connected with the first hollow roller (3) and one of the second roller bodies (7) respectively.
5. The capillary jet cleaning method for the narrow-diameter infusion pipeline according to claim 1, wherein the fastening mechanism comprises a third fixing seat (32), a lower die body (33) is fixedly connected to the top of the third fixing seat (32), an upper die body (34) is arranged on the side face of the third fixing seat (32) through a connecting assembly, circular arc clamping grooves are formed in the top of the lower die body (33) and the bottom of the upper die body (34), and a pull ring (37) is fixedly connected to the top of the upper die body (34).
6. The method for cleaning the capillary jet flow of the narrow-diameter infusion line according to claim 5, wherein the connecting assembly comprises two swinging rods (35) and springs (36), the upper die body (34), the lower die body (33) and the two swinging rods (35) form a parallelogram structure, two ends of each spring (36) are respectively and rotatably connected with a third fixing seat (32) and the upper die body (34), the springs (36) are arranged in parallel with the swinging rods (35), and a stop block for preventing the swinging rods (35) from rotating is fixedly connected to the side face of each third fixing seat (32).
7. The capillary jet cleaning method for the narrow-diameter infusion line according to claim 1, wherein a collecting tank (38) is fixedly connected to the bottom of the second hollow roller (22), a return pipe (39) is fixedly connected to the bottom of the collecting tank (38), the return pipe (39) is communicated with the second liquid storage tank (17), a second driving piece (31) is arranged on the side face of the plate body (2), and the output end of the second driving piece (31) is fixedly connected with the third hollow roller (25).
8. The capillary jet cleaning method for the narrow-diameter infusion pipeline according to claim 1, wherein a shell (1) with an open top is arranged at the bottom of the plate body (2), the plate body (2) is fixedly connected to the inside of the shell (1) through bolts, a rectangular through groove (40) is formed in the plate body (2), the rectangular through groove (40) is located between a driving mechanism and a fastening mechanism, a detachable waste groove is arranged in the shell (1), and the waste groove is located at the bottom of the rectangular through groove (40).
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| CN202111629125.7A CN114308921B (en) | 2021-12-28 | 2021-12-28 | Method for cleaning capillary jet of narrow-diameter infusion pipeline |
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| CN202111629125.7A CN114308921B (en) | 2021-12-28 | 2021-12-28 | Method for cleaning capillary jet of narrow-diameter infusion pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200254505Y1 (en) * | 2001-08-23 | 2001-11-24 | 이동선 | Scale eliminate equipment for pipe arrangement |
| JP2005058904A (en) * | 2003-08-12 | 2005-03-10 | Kawasaki Kensetsu Kk | Direction controllable small diameter pipe-inside washing device having endoscopic function or the like |
| CN202700907U (en) * | 2012-08-16 | 2013-01-30 | 山西晋丰煤化工有限责任公司 | Dredging device of ejector of self-absorbing jet oxidation re-generation groove |
| KR20150137682A (en) * | 2014-05-30 | 2015-12-09 | 정성혜 | The Device of Removing Scale Inside Pipe |
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| CN114308921A (en) | 2022-04-12 |
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