CN104624581A - Pumping concrete pipeline conveying cleaning device and method - Google Patents

Pumping concrete pipeline conveying cleaning device and method Download PDF

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Publication number
CN104624581A
CN104624581A CN201510012585.3A CN201510012585A CN104624581A CN 104624581 A CN104624581 A CN 104624581A CN 201510012585 A CN201510012585 A CN 201510012585A CN 104624581 A CN104624581 A CN 104624581A
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CN
China
Prior art keywords
concrete
pipeline
periproct
diameter
cleaning device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510012585.3A
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Chinese (zh)
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CN104624581B (en
Inventor
朱毅
李琨
王浩
李雪亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510012585.3A priority Critical patent/CN104624581B/en
Publication of CN104624581A publication Critical patent/CN104624581A/en
Application granted granted Critical
Publication of CN104624581B publication Critical patent/CN104624581B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles

Abstract

The invention provides a pumping concrete pipeline conveying cleaning device and method and belongs to the technical field of concrete pumping to solve the problem that after field concrete pumping operation is completed, concrete on the wall of a pipeline is difficult to remove. A cleaning device capable of moving in an inner cavity of the pipeline is arranged in the inner cavity of the pipeline, high-pressure air is connected in one end of the pipeline, the cleaning device is pushed by the high-pressure air to moving in the inner cavity of the pipeline, and thus the concrete on the inner wall of the pipeline is scraped away. The cleaning device comprises a guide joint, a middle joint, a second tail joint and a first tail joint which are in hinged joint, the concrete on the inner wall of the pipeline can be scraped away layer by layer through all parts of the cleaning device, scraping plates made of rubber are fixedly connected to the first tail joint and the second tail joint respectively, the concrete tightly attached to the inner wall of the pipeline can be scraped away through the scraping plates, and the pipeline is thoroughly cleaned. By means of the pumping concrete pipeline conveying cleaning device and method, the concrete on the inner wall of the pipeline can be conveniently and thoroughly scraped away, the working efficiency is high, waste of the concrete can be avoided, and resources are fully utilized.

Description

Pump concrete pipeline transport cleaning device and cleaning method
Technical field
The present invention relates to concrete pumping technique field, specifically a kind of cleaning device of pump concrete pipeline and cleaning method.
Background technology
When carrying out the erection of transmission line of electricity in the wild, the stability on basis is for ensureing that the safety of transmission line of electricity has important effect.Basis is generally obtained by casting concrete, can not carry out concrete stirring separately in the wild, need the concrete be stirred by concrete mixing plant to be transported to appointed place through concrete mixing and transporting car.When erecting power transmission lines, the setting on basis also can not be close to highway, and as shown in Figure 1, between highway and erection place, have certain distance, this distance is generally tens meters even more than 100 meter.Between highway and erection place, be generally field, ditch etc., therefore need at concrete delivery truck 2 and wait to build and a little set up pipeline between 12, in the mode of pumping by concrete conveyance to point to be built.After concrete pumping completes, as shown in Figure 2, remaining concrete very easily sticks on inner-walls of duct, therefore needs to clear up the concrete on inner-walls of duct.Existing manner of cleaning up is, as shown in Figure 3, at one end colligation straw 41 of a pole 4, then extend in pipeline by pole and disclosed by concrete, under this mode, cleaning efficiency is low, and the concrete under disclosing needs to deposit separately, adds unnecessary workload.
Summary of the invention
The object of the present invention is to provide a kind of pump concrete pipeline transport cleaning device and cleaning method, for solve complete pump concrete in the wild operation after, the problem of the concrete cleaning difficulty on duct wall, and make full use of concrete residual on duct wall, cut the waste.
The present invention solves the technical scheme that its technical problem takes: pump concrete pipeline transport cleaning device, it is characterized in that, comprise pipeline, end cap, washer and subsidiary conduit, between being erected at concrete delivery truck for the described pipeline of delivering concrete by fulcrum and building a little, one is provided with the end cap of through hole at the concrete end that goes out of described pipeline, be connected with a subsidiary conduit at the dismountable pipe of concrete end that enters of described pipeline, in the inner chamber of described pipeline and subsidiary conduit, be provided with one can the washer of movement in described inner chamber;
Described washer comprises the guiding joint and the first periproct that are articulated and connected, and described guiding joint and the first periproct are columniform solid metal part, is fixed with the head end of a taper at the free end of described guiding joint; The diameter of described first periproct is greater than the diameter of guiding joint and is less than internal diameter of the pipeline, and be fixed with the first scraper plate of a circle at the free end of described first periproct, described first scraper plate is rubber parts, and the diameter of described first scraper plate is greater than the internal diameter of pipeline; Through-hole aperture on described end cap is greater than the diameter of guiding joint and is less than the diameter of the first periproct.
Further, described washer also comprises one and is arranged on the second periproct led between joint with the first periproct, described second periproct is columniform solid metal part, the diameter of described second periproct should at least equal to lead the diameter of joint the through-hole aperture be less than on end cap, the two ends of described second periproct save with guiding respectively and the first periproct is articulated and connected, be fixed with the second scraper plate of an annular in one end of described second periproct towards the first periproct, described second scraper plate is the rubber parts that diameter is greater than internal diameter of the pipeline.
Further, described washer also comprises the some middle nodes be arranged between guiding joint and the second periproct, described middle node is columniform solid metal part, often described in adjacent two, middle node is articulated and connected, and the middle node being positioned at two ends save with guiding respectively and the second periproct is articulated and connected, the diameter of middle node described in each at least equals diameter that guiding saves and the through-hole aperture be less than on end cap.
Further, the diameter of described guiding joint, middle node, the second periproct and the first periproct is increasing from front to back.
Further, save between two middle nodes between middle node, often adjacent in described guiding, be respectively equipped with a connecting rod between middle node and the second periproct, between the second periproct and the first periproct, described connecting rod saves with corresponding guiding respectively, middle node, the second periproct or the first periproct are articulated and connected.
Further, the diameter of described second scraper plate is less than the diameter of the first scraper plate.
Further, be respectively equipped with a ring flange in the side of described first scraper plate and the second scraper plate, ring flange described in two is respectively equipped with the bolt be connected with the second periproct and the first periproct.
Further, described end cap is threaded with the concrete end that goes out of pipeline, and the through hole on described end cap is bellmouth, and the large end of described through hole is towards the side at pipeline place.
Further, described head end be that semicircle is spherical, semielliptical shape, one in truncated cone-shaped or prismatic table shape.
Pump concrete pipeline transport cleaning method, is characterized in that, comprise the following steps,
(1) by pipeline enter that concrete end is connected to concrete delivery truck go out on concrete pipe, what end cap is arranged on pipeline goes out on concrete end, then the concrete end that goes out of pipeline is placed in the top of building a little, starts delivery pump, the concrete in concrete delivery truck is delivered to through tubing pump and builds a little;
(2) when the concrete of formation base is about to build, close delivery pump, the concrete end that enters of pipeline is unloaded from going out concrete pipe, enter subsidiary conduit in concrete termination at pipeline;
(3) washer is placed in subsidiary conduit, connects air compressor in the pressure-air import of subsidiary conduit, and start air compressor.
The invention has the beneficial effects as follows: pump concrete pipeline transport cleaning device provided by the invention and cleaning method, be placed with in the inner chamber of pipeline one can be movable in inner cavity of pipe washer, at one end of pipeline access pressure-air, pressure-air promotes washer and moves in inner cavity of pipe, realizes striking off concrete on inner-walls of duct; Washer comprises the guiding joint, middle node, the second periproct and the first periproct that are articulated and connected, the each several part of washer layering can strike off concrete on inner-walls of duct, and the scraper plate of the quality of rubber materials that is connected respectively on first, second periproct, scraper plate scraped is close to the concrete of inner-walls of duct, realizes the thorough cleaning to pipeline.The present invention can strike off the concrete on inner-walls of duct easily and thoroughly, and operating efficiency is high, can avoid concrete waste, make full use of resource.
Accompanying drawing explanation
Fig. 1 is the schematic diagram carrying out pump concrete at the scene;
Fig. 2 is the axial schematic diagram of pipeline after pump concrete operation completes;
Fig. 3 is the cleaning schematic diagram of existing pumping concrete duct;
Fig. 4 is schematic diagram of the present invention;
Fig. 5 is one of schematic three dimensional views of guiding joint;
Fig. 6 is the schematic three dimensional views two of guiding joint;
Fig. 7 is the schematic three dimensional views three of guiding joint;
Fig. 8 is the schematic three dimensional views four of guiding joint;
Fig. 9 is A direction view in Fig. 4;
Figure 10 is one of schematic diagram of washer;
Figure 11 is the schematic diagram two of washer;
Figure 12 is the schematic diagram three of washer;
Figure 13 is the schematic diagram four of washer;
Figure 14 is the schematic diagram five of washer;
Figure 15 is the schematic diagram one of the present invention when using;
Figure 16 is the schematic diagram two of the present invention when using;
Figure 17 is the schematic diagram six of washer;
In figure: 1 highway, 11 fields, 12 build a little, 2 concrete delivery trucks, and 21 go out concrete pipe, 3 pipelines, 31 concrete bindings, 4 poles, 41 straw, 5 end caps, 6 guiding joints, 61 head ends, 7 first periprocts, 71 first scraper plates, 8 second periprocts, 81 second scraper plates, 9 middle nodes, 91 the 3rd scraper plates, 10 connecting rods, 13 is hinged, 14 fulcrums, 15 subsidiary conduits, 16 pressure-air imports, 17 ring flanges, 18 bolts, 19 bases.
Detailed description of the invention
As shown in Figure 1, concrete delivery truck 2 is parked on highway 1, and what the pipeline 3 of delivering concrete is connected on concrete delivery truck goes out on concrete pipe 21, and the other end of pipeline is placed in the top of building a little 12.And between pipeline and ground, be provided with fulcrum, to be risen by pipeline support.Now, can delivery pump be opened, the concrete in concrete delivery truck is drawn into and build a little.After pump concrete operation completes, as shown in Figure 2, inner-walls of duct has concrete binding 31.
As shown in Fig. 4 to Figure 17, the present invention includes pipeline 3, end cap 5, washer and subsidiary conduit 15, below in conjunction with accompanying drawing, present invention is described.
As shown in Figure 4, pipeline 3 is steel pipe, and between pipeline and ground, be provided with some fulcrums 14, pipeline support rises by acting as of fulcrum.Be provided with an end cap 5 at the concrete end that goes out of pipeline, end cap is circular metalwork, and an end face of end cap is provided with a groove, and end cap is connected with pipeline thread by this groove.End cap is provided with a through hole, and this through hole communicates with the inner chamber of pipeline.Washer is provided with in the inner chamber of pipeline, washer comprises guiding joint 6, first periproct 7, second periproct 8, middle node 9 and connecting rod 10, the main body of guiding joint 6 is columniform solid metal part, and one end of guiding joint is head end 61, and head end is the solid metal part of taper.As shown in Fig. 5 to Fig. 8, head end is the one in prismatic table shape, semielliptical shape, semicircle or truncated cone-shaped.Head end can be one-body molded with guiding joint, also head end can be weldingly fixed on guiding joint, head end be arranged so that guiding joint is overall tapered.
As shown in Figure 10, a connecting rod 10 is connected with at the right-hand member hinged 13 of guiding joint, connecting rod is solid metal, a middle node 9 is hingedly connected with at the right-hand member of connecting rod, middle node is columniform solid metal part, and being provided with one second periproct 8, second periproct at the right-hand member of middle node is columniform solid metal part, between middle node and the second periproct, be provided with a connecting rod 10, the two ends of connecting rod are articulated and connected with middle node and the second periproct respectively.One second scraper plate 81 is provided with at the right-hand member of the second periproct, second scraper plate is the rubber parts of annular, ring flange 17, second scraper plate is provided with by ring flange 17 and be arranged on bolt 18 on ring flange and be fixedly connected on the second periproct at the homonymy of the second scraper plate and the second periproct.Be provided with one first periproct 7 at the right-hand member of the second periproct, be provided with a connecting rod between the first periproct and the second periproct, the two ends of connecting rod are articulated and connected with the left end of the first periproct and the right-hand member of the second periproct respectively.First periproct is columniform solid metal part, one first scraper plate 71 is provided with at the right-hand member of the first periproct, first scraper plate is circular or discoidal rubber parts, as shown in Figure 9, be provided with ring flange 17, first scraper plate at the homonymy of the first scraper plate and the first periproct to be fixed on the first periproct by ring flange and the bolt 18 be arranged on ring flange.First scraper plate and the second scraper plate are for striking off the concrete being close to inner-walls of duct, and therefore the diameter of the first scraper plate and the second scraper plate should be greater than the internal diameter of pipeline.The through-hole aperture of end cap is greater than the diameter of guiding joint, middle node and the second periproct respectively, but the through-hole aperture of end cap is less than the diameter of the first periproct.
Guiding joint 6, middle node 9, second periproct 8 and the first periproct 7 set gradually after going to, form the structure that is similar to " train ", at guiding joint and middle node, middle node and the second periproct, be respectively equipped with connecting rod between the second periproct and the first periproct, two ends and above-mentioned each parts of connecting rod are articulated and connected.A subsidiary conduit 15 is provided with at the concrete end that enters of pipeline, subsidiary conduit 15 is connected with pipeline thread, the internal diameter size of subsidiary conduit is identical with the internal diameter size of pipeline, the free end of subsidiary conduit is pressure-air import 16, pressure-air import is connected with air compressor pipe by pipeline, after injecting pressure-air by air compressor in subsidiary conduit, pressure-air directly acts on the first scraper plate and promotes whole washer and moves to the left end of pipeline.Washer is in the process of motion, and middle node, the second periproct and the first periproct scraped are near a part of concrete of conduit axis, and the second scraper plate and the first scraper plate scraped are near the concrete of inner-walls of duct.Each parts of washer act synergistically the concrete struck off on inner-walls of duct, and under the thrust of pressure-air, washer driven forward, the concrete struck off then drops on parabolical shape builds a little, basis of formation 19.Strike off concrete effect for increasing washer, from front to back, the radial dimension of guiding joint, middle node, the second periproct and the first periproct is increasing, is designed ladder-like; The radial dimension of the second scraper plate and the first scraper plate is all greater than the internal diameter size of pipeline, and the radial dimension of the second scraper plate is less than the radial dimension of the first scraper plate.Washer is stair-stepping design from front to back, can realize striking off layering concrete on inner-walls of duct, to alleviate the resistance of concrete to the first scraper plate and the second scraper plate, alleviates the wearing and tearing of the first scraper plate and the second scraper plate, improves the service life of washer.The internal diameter of pipeline has sizes, and internal diameter of the pipeline can be set between 50mm ~ 200mm, take internal diameter of the pipeline as 150mm is example, and the size relationship between each parts of washer is described.Internal diameter of the pipeline is 150mm, and the diameter design of the first periproct is 145mm ~ 148mm, and preferred size is 145mm, and the diameter design of the first scraper plate is 152mm ~ 155mm, and preferred size is 153mm; The diameter design of the second periproct is 140mm ~ 145mm, and preferred size is 140mm, and the diameter design of the second scraper plate is 150mm ~ 152mm, and preferred size is 151mm; The diameter of middle node is 135mm ~ 140mm, and preferred size is 135mm; The diameter of guiding joint is 130mm ~ 135mm, and preferred size is 130mm.
The composition of washer at least should comprise guiding joint 6 and the first periproct 7, also can comprise the second periproct 8 and some middle nodes 9, Figure 10 shows that washer includes the situation of guiding joint, the first periproct, the second periproct and a middle node, now washer totally four joints.Be the simplest version of washer as shown in figure 11, only include guiding joint 6 and the first periproct 7, a connecting rod 10 is provided with between guiding joint 6 and the first periproct 7, the two ends of connecting rod save with guiding respectively and the first periproct is articulated and connected, and on the first periproct, be fixed with the first scraper plate, now washer totally two joints.As shown in figure 12, washer comprises guiding joint 6, second periproct 8 and the first periproct 7, and is fixed with the first scraper plate on the first periproct, and the second periproct is fixed with the second scraper plate; After going to, the diameter of guiding joint, the second periproct and the first periproct is still designed ladder-like, now washer totally three joints.As shown in figure 13, rear washer is certainly gone to comprise guiding joint 6, two middle node 9, second periprocts 8 and the first periproct 7; Now the diameter of two middle nodes can be equal, also can be different, but after certainly going to, the diameter of guiding joint, middle node, the second periproct and the first periproct is still designed ladder-like, now washer totally five joints.The joint number of washer can also be more, when washer joint number is more, only need increase the number of middle node.As shown in figure 14, middle node, the second periproct and the first periproct can be also taper, can realize concrete effect on inner-walls of duct of striking off equally.
Below in conjunction with accompanying drawing, cleaning method is described, first, as shown in Figure 1, by pipeline enter that concrete end is connected to concrete delivery truck go out on concrete pipe, what end cap is arranged on pipeline goes out on concrete end, then the concrete end that goes out of pipeline is placed in the top of building a little, starts delivery pump, the concrete in concrete delivery truck is delivered to through tubing pump and builds a little; Then, when the concrete of formation base is about to build, close delivery pump, the concrete end that enters of pipeline is unloaded from going out concrete pipe, as shown in figure 15, enter subsidiary conduit in concrete termination at pipeline; Finally, washer is placed in subsidiary conduit, connects air compressor in the pressure-air import of subsidiary conduit, and start air compressor.As shown in figure 16, washer moves on one side in the duct, while strike off the concrete on inner-walls of duct, until guiding joint, middle node and the second periproct fly out from the through hole of end cap, the diameter of the first periproct is greater than the through-hole aperture of end cap, therefore the first periproct is blocked by end cap, hurts sb.'s feelings in case whole washer flies out from pipeline.After cleaning work completes, end cap is unloaded, washer is taken out from pipeline.
Fly out from the through hole of end cap for ease of guiding joint, middle node and the second periproct, the through hole of end cap can be set to bellmouth, and the large end of this through hole is towards pipeline.For increasing the flexibility of washer, also can save at each connecting rod and guiding, middle node, between the second periproct and the first periproct, universal joint being set.For increasing cleaning performance further, as shown in figure 17, on each middle node, can arrange the 3rd scraper plate the 91, three scraper plate respectively is also circular rubber parts, the diameter of some 3rd scraper plates is identical with the internal diameter of pipeline, the form that also diameter design of some 3rd scraper plates can be become increase progressively gradually.

Claims (10)

1. pump concrete pipeline transport cleaning device, it is characterized in that, comprise pipeline, end cap, washer and subsidiary conduit, between being erected at concrete delivery truck for the described pipeline of delivering concrete by fulcrum and building a little, one is provided with the end cap of through hole at the concrete end that goes out of described pipeline, enter that concrete end pipe is dismountable is connected with a subsidiary conduit at described pipeline, in the inner chamber of described pipeline and subsidiary conduit, be provided with one can the washer of movement in described inner chamber;
Described washer comprises the guiding joint and the first periproct that are articulated and connected, and described guiding joint and the first periproct are columniform solid metal part, is fixed with the head end of a taper at the free end of described guiding joint; The diameter of described first periproct is greater than the diameter of guiding joint and is less than internal diameter of the pipeline, and be fixed with the first scraper plate of a circle at the free end of described first periproct, described first scraper plate is rubber parts, and the diameter of described first scraper plate is greater than the internal diameter of pipeline; Through-hole aperture on described end cap is greater than the diameter of guiding joint and is less than the diameter of the first periproct.
2. pump concrete pipeline transport cleaning device according to claim 1, it is characterized in that, described washer also comprises one and is arranged on the second periproct led between joint with the first periproct, described second periproct is columniform solid metal part, the diameter of described second periproct should at least equal to lead the diameter of joint the through-hole aperture be less than on end cap, the two ends of described second periproct save with guiding respectively and the first periproct is articulated and connected, the second scraper plate of an annular is fixed with in one end of described second periproct towards the first periproct, described second scraper plate is the rubber parts that diameter is greater than internal diameter of the pipeline.
3. pump concrete pipeline transport cleaning device according to claim 2, it is characterized in that, described washer also comprises the some middle nodes be arranged between guiding joint and the second periproct, described middle node is columniform solid metal part, often described in adjacent two, middle node is articulated and connected, and the middle node being positioned at two ends save with guiding respectively and the second periproct is articulated and connected, the diameter of middle node described in each at least equals diameter that guiding saves and the through-hole aperture be less than on end cap.
4. pump concrete pipeline transport cleaning device according to claim 3, is characterized in that, the diameter of described guiding joint, middle node, the second periproct and the first periproct is increasing from front to back.
5. pump concrete pipeline transport cleaning device according to claim 4, it is characterized in that, save between two middle nodes between middle node, often adjacent in described guiding, be respectively equipped with a connecting rod between middle node and the second periproct, between the second periproct and the first periproct, described connecting rod saves with corresponding guiding respectively, middle node, the second periproct or the first periproct are articulated and connected.
6. pump concrete pipeline transport cleaning device according to claim 1, is characterized in that, the diameter of described second scraper plate is less than the diameter of the first scraper plate.
7. pump concrete pipeline transport cleaning device according to claim 6, it is characterized in that, be respectively equipped with a ring flange in the side of described first scraper plate and the second scraper plate, ring flange described in two is respectively equipped with the bolt be connected with the second periproct and the first periproct.
8. pump concrete pipeline transport cleaning device according to claim 1, is characterized in that, described end cap is threaded with the concrete end that goes out of pipeline, and the through hole on described end cap is bellmouth, and the large end of described through hole is towards the side at pipeline place.
9. pump concrete pipeline transport cleaning device according to claim 1, is characterized in that, described head end is that semicircle is spherical, semielliptical shape, one in truncated cone-shaped or prismatic table shape.
10. use the cleaning method of arbitrary described pump concrete pipeline transport cleaning device in claim 1 to 9, it is characterized in that, comprise the following steps,
(1) by pipeline enter that concrete end is connected to concrete delivery truck go out on concrete pipe, what end cap is arranged on pipeline goes out on concrete end, then the concrete end that goes out of pipeline is placed in the top of building a little, starts delivery pump, the concrete in concrete delivery truck is delivered to through tubing pump and builds a little;
(2) when the concrete of formation base is about to build, close delivery pump, the concrete end that enters of pipeline is unloaded from going out concrete pipe, enter subsidiary conduit in concrete termination at pipeline;
(3) washer is placed in subsidiary conduit, connects air compressor in the pressure-air import of subsidiary conduit, and start air compressor.
CN201510012585.3A 2015-01-09 2015-01-09 Pump concrete pipeline transport cleaning device and cleaning method Active CN104624581B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510012585.3A CN104624581B (en) 2015-01-09 2015-01-09 Pump concrete pipeline transport cleaning device and cleaning method

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Application Number Priority Date Filing Date Title
CN201510012585.3A CN104624581B (en) 2015-01-09 2015-01-09 Pump concrete pipeline transport cleaning device and cleaning method

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CN104624581A true CN104624581A (en) 2015-05-20
CN104624581B CN104624581B (en) 2016-02-10

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Publication number Priority date Publication date Assignee Title
CN108386158A (en) * 2018-05-16 2018-08-10 威海鸿通管材股份有限公司 The electronic de-waxing apparatus of oil pipe

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DE3306378A1 (en) * 1983-02-24 1984-08-30 Friedrich Wilh. Schwing Gmbh, 4690 Herne Method and device for cleaning a concrete conveyor line
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US6925671B1 (en) * 2004-10-20 2005-08-09 Marathon Ashland Petroleum Llc Pig launcher
DE102010005661A1 (en) * 2010-01-26 2011-07-28 Puralis GmbH, 01987 Cleaning pig for cleaning of pipes or hoses, particularly concrete pumps, has cylindrical base body made of foamed plastic material, where groups of radial cleaning rings are overlapped at its peripheral surface
CN202015720U (en) * 2011-02-23 2011-10-26 上海火炬润滑油有限公司 Pipeline cleaning system
CN204448730U (en) * 2015-01-09 2015-07-08 国家电网公司 Pump concrete pipeline cleaning device

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Publication number Priority date Publication date Assignee Title
GB343355A (en) * 1930-03-24 1931-02-19 James Peebles Improvements in and connected with apparatus for cleaning water main pipes and the like
US3076509A (en) * 1958-05-26 1963-02-05 Burns Erwin Cementing head
US4314577A (en) * 1979-07-09 1982-02-09 Brister Beryle D Installation, hydrostatic testing, repair and modification of large diameter fluid transmission lines
JPS58113589A (en) * 1981-12-28 1983-07-06 Niigata Eng Co Ltd Cleaning device for pump with reciprocating pipe
DE3306378A1 (en) * 1983-02-24 1984-08-30 Friedrich Wilh. Schwing Gmbh, 4690 Herne Method and device for cleaning a concrete conveyor line
EP1013349A1 (en) * 1998-12-22 2000-06-28 Sumio Ando Duct-cleaning unit
US6925671B1 (en) * 2004-10-20 2005-08-09 Marathon Ashland Petroleum Llc Pig launcher
DE102010005661A1 (en) * 2010-01-26 2011-07-28 Puralis GmbH, 01987 Cleaning pig for cleaning of pipes or hoses, particularly concrete pumps, has cylindrical base body made of foamed plastic material, where groups of radial cleaning rings are overlapped at its peripheral surface
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Publication number Priority date Publication date Assignee Title
CN108386158A (en) * 2018-05-16 2018-08-10 威海鸿通管材股份有限公司 The electronic de-waxing apparatus of oil pipe
CN108386158B (en) * 2018-05-16 2023-08-15 威海鸿通管材股份有限公司 Electric paraffin removal device for oil pipe

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