CN105484499A - Concrete pumping pipeline cleaning method and device - Google Patents

Concrete pumping pipeline cleaning method and device Download PDF

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Publication number
CN105484499A
CN105484499A CN201510935672.6A CN201510935672A CN105484499A CN 105484499 A CN105484499 A CN 105484499A CN 201510935672 A CN201510935672 A CN 201510935672A CN 105484499 A CN105484499 A CN 105484499A
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CN
China
Prior art keywords
concrete
pumping
hopper
ice cube
ice
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Granted
Application number
CN201510935672.6A
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Chinese (zh)
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CN105484499B (en
Inventor
竺兰玉
竺峰
李�远
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Chongqing Construction Engineering Building Materials & Logistics Co ltd
Chongqing Jizhi Chuangxiang Industrial Design Co ltd
Chongqing Construction Engineering Group Co Ltd
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Chongqing Jizhi Chuangxiang Industrial Design Co Ltd
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Priority to CN201510935672.6A priority Critical patent/CN105484499B/en
Publication of CN105484499A publication Critical patent/CN105484499A/en
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Publication of CN105484499B publication Critical patent/CN105484499B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention relates to the field of concrete pipeline transportation, in particular to a concrete pumping pipeline cleaning method and device. The method comprises the following steps that after concrete putting is finished, a mixture of ice blocks and ice sand is continuously put into a hopper, and the mixture is pressed to ensure that the mixture can be sucked by a pumping machine after concrete pumping is finished; the ice blocks and water are continuously added into the hopper of the pumping machine, and the size of the ice blocks does not exceed the volume of a 1000-mm pumping pipeline; the sufficient amount of water is continuously added into the hopper of the pumping machine to push the ice blocks and concrete to move forwards until all the concrete in the pumping pipeline is pushed out; the pumping machine is stopped, and the water in the pumping pipeline is kept to be not drained until next-time concrete pumping. By adopting the concrete pumping pipeline cleaning method, the use cost is low, the pipeline does not need to be disassembled, and blocking cannot occur.

Description

Concrete pumping pipe method for cleaning and device
Technical field
The present invention relates to concrete duct transportation art, specifically a kind of concrete pumping pipe method for cleaning and device.
Background technology
Concrete is conventional constructional materials, after agitator is produced, place to use is delivered to by haulage device, then pumping line is pressed into by pumping machine, then construction location is transported to by pumping line, after concrete conveyance is complete, usually need to clear up concrete remaining in pumping line, in order to avoid blocking pipe after concrete setting.
Traditional method for cleaning has two kinds, a kind of is directly pump into the concrete in water flushing pumping line by pumping machine, cement is wherein rinsed out, then the bottom of pumping machine is taken apart, the aggregates such as the sandstone reserved in pumping line are discharged, this method is generally only applicable to the construction of short floor, because after story height, concrete remaining in pumping line is more, directly rinse on the one hand and cause larger waste, the more important thing is and can produce a large amount of stones and sand after directly rinsing, particularly in Construction of High-rise, pumping line has again more elbow, very easily cause the blocking of pumping line, just can only remove by merogenesis once blocking, cleaning is reinstalled again, workload is very large, therefore water rinses and generally can not use high-rise pumping line cleaning, another method for cleaning adopts air compressor to promote rotating wash bowl to carry out pipeline cleaning, specific practice is: after pumping of concrete terminates, first a joint concrete delivery pump pipe of bottom is removed, put into a sponge ball or cloth group fast, and then pumping line is received on air compressor, air compressor promotes rotating wash bowl and concrete is all discharged pumping line.The benefit of this method for cleaning can avoid concrete waste preferably, but still there is more shortcoming, at least comprise specifically following some: 1, need separately to be equipped with a set of air compressor, use cost is very high; A lot of concrete can be caused to flow out when 2, removing pumping line, not only waste but also can construction environment be polluted; 3, sponge ball or cloth group especially easily block in pumping line, particularly at pipe joint or turning position, once block, just need a large amount of manpower and materials to check blocking position, then pipeline cleaning is removed, being there is again concrete waste and pollute in the process of cleaning, again could take over afterwards, quite bother.
Comprehensive, also lack a kind of input at present low, the construction method of effective cleaning concrete pumping pipe and special purpose device.
Summary of the invention
It is low that an object of the present invention is to provide a kind of use cost, without the need to removing pipeline, and the pumping line concrete method for cleaning of blocking can not occur; The another one object of the application is to provide a kind of conversion device coordinated with said method.
To achieve these goals, the invention provides a kind of concrete pumping pipe method for cleaning, include following steps:
A, after in the hopper of pumping machine, depositing concrete terminates, continue the mixture throwing in ice cube and Sorbet in hopper, mixture covers concrete upper surface, presses down mixture and ensures that it is pumped machine and sucks after concrete pumping terminates;
B, continue to add ice cube and water in the hopper of pumping machine, the volume of ice cube is no more than the volume of 1000mm pumping line;
C, continues in pumping machine hopper, to add enough water to promote ice cube and concrete advance, until the concrete in pumping line is all released;
D, closes pumping machine, keeps the water in pumping line, discharges to pumping of concrete is front next time.
Sorbet described in literary composition is the less trash ice bits of particle, and Main Function plays good isolated water and concrete effect.
Said method cleaning concrete pumping pipe is adopted to have following advantage: when the concrete pumping in hopper completes, mixture in steps A is pumped machine subsequently and is sent to pumping line, this part mixture as a deformable cloth group or sponge ball, can be good at isolation concrete but can not block; Follow ice cube in the step B added closely and water enters pumping line, here the effect of water is to ensure that ice cube is pumped machine and sucks, due to the buffer action of mixture, the water of step B cannot be flushed to concrete, the water pumped in later step C continues to promote ice cube, mixture and concrete and advances, because the density of ice cube is less than water, it can be gathered in the below of mixture rapidly, and jointly form the distance piece of concrete and water with mixture, avoid water to concrete flushing, therefore in concrete can not there is segregation phenomenon in coarse aggregate and fines; When through joint or bend pipe, due to ice cube surface unusual light and can breaking deformation, therefore can not block, a small amount of wearing and tearing and thawing can be there is in the ice cube contacted with tube wall in pumping procedure, can play the effect of lubrication, a small amount of Sorbet and ice cube loss do not affect the buffer action of distance piece.
Compared to traditional backwashing manner that directly adds water, it can be applicable to the pumping line cleaning of short floor and super-high storied building simultaneously, and concrete segregation plugging phenomenon can not occur, the mode of sponge ball is promoted compared to conventional air compressor, it eliminates the input of air compressor, cost is very low, and do not tear pipe open and put into sponge ball, use more convenient, most importantly it effectively make use of ice cube smooth surface, can the characteristic of attrition crushing, define the compartmented that effectively substitutes sponge ball, isolation performance is good especially, and it is little with the frictional force of tube wall, run into joint or elbow, bend pipe is very easy to distortion and walks around, can not block, do not need to dismantle pumping line, both water is become after thawing, cost is low, can not pollute pipeline, the water preserved in step D can play the effect of profit pipe agent, next time before pumping of concrete, bleeding off after water just can direct pumping of concrete, engineering time and the cost of the agent of profit pipe are saved.
Preferably, the cumulative volume of described steps A mixture is not more than the volume of 500mm pumping line, wherein the cumulative volume of Sorbet is not less than the cumulative volume of ice cube, such benefit is the gap that Sorbet effectively can fill up ice cube, form the isolation of effective concrete, the effect of ice cube is that its thawing speed is slower compared to Sorbet, effectively ensures isolation time.
Preferably, the volume of described steps A, B medium floe is all no more than 1.3 times of concrete coarse aggregate maximum volume, such benefit is that the isolation effect both can avoiding causing compared with berg is poor, can avoid again melting too small during promotion concrete, causes separation force not enough.
Preferably, the shape of described steps A, B medium floe is spherical, box-shaped or prismatic, and the ice cube processing cost of these three kinds of shapes is lower, and structural strength is better, can avoid fragmentation preferably.
Preferably, reticular lamina is adopted to press down ice cube to ensure that ice cube is preferentially sucked pumping machine in described step B.
In order to realize such scheme, the application provides a kind of special device simultaneously, include hopper, the bottom of hopper is provided with the intake of pumping machine, be connected with around intake vertical arrange cylindrical enter ice cylinder, this lower sides entering ice cylinder is provided with inlet opening, enter in ice cylinder the poroid pressing plate arranging and promote ice cube, this poroid pressing plate is made up of two pieces of diametrically hinged semi-circular plates and the cross bracket that is supported on semi-circular plate rear portion, the hinged place of semi-circular plate is fixed on a bar of cross bracket, cross bracket overcentre is fixed with pressing plate bar, the top of pressing plate bar is arranged with the centralized positioning support be fixed on into ice cylinder upper end, the upper end of pressing plate bar is fixed on the sidewall of hopper by elastic tension apparatus.
The special purpose device of technical solution of the present invention is adopted to have following features: at the end of concrete pumping is fast, by enter ice cylinder and be placed into pumping machine intake above, enter the mixture can placing ice cube and ice cube and Sorbet in ice cylinder in advance, the mixture of its medium floe and Sorbet is positioned at the bottom into ice cylinder, the power of elastic tension apparatus passes to semi-circular plate by pressing plate bar, two semi-circular plate composition piston promotion mixtures and ice cube enter pumping line, when needing on the rocks, only need pressing plate bar of pulling back, add from entering ice cylinder top, ice cube enters into ice cylinder through hinged semi-circular plate, unclamp pressing plate bar, ice cube just moves to pumping machine under the effect of elastic tension apparatus, the inlet opening entering ice cylinder bottom can enter the gap of ice mainly for water, hole on pressing plate is in order to after having pushed ice, water directly can enter the intake of pumping machine through the hole on pressing plate.
Preferably, described take-up device is elastic rubber band or extension spring, and such setting both can ensure result of use, has and can reduce use cost.
Preferably, described take-up device right-angled intersection is arranged, and force that like this can be average, avoids pressing plate bar and semi-circular plate to receive larger resistance.
Accompanying drawing explanation
Fig. 1 is the structural representation (size and length only present a demonstration) of distance piece in the pumping line of the embodiment of the present invention;
Fig. 2 is the structural representation of the special purpose device of the embodiment of the present invention.
Wherein, hopper 1, intake 2, enters ice cylinder 3, inlet opening 4, semi-circular plate 5, cross bracket 6, pressing plate bar 7, centralized positioning support 8, elastic rubber band 9, topping 11, mixture 12, concrete 13, water 14.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments to being described in further detail:
As depicted in figs. 1 and 2: the invention provides a kind of concrete pumping pipe method for cleaning and special device,
Special purpose device comprises: hopper 1, the bottom of hopper 1 is provided with the intake 2 of pumping machine, be connected with around intake 2 vertical cylindrical enter ice cylinder 3, the material entering ice cylinder 3 is preferably stainless steel structure, outer wall can add garter spring, the lower sides entering ice cylinder 3 is provided with inlet opening 4, the size of inlet opening 4 should ensure that ice cube can not be extruded, therefore the diameter of inlet opening generally remains on 2 ~ 5mm, the preferred 3mm of the application, enter in ice cylinder 3 the poroid pressing plate arranging and promote ice cube, this poroid pressing plate is made up of two pieces of diametrically hinged semi-circular plates 5 and the cross bracket 6 that is supported on semi-circular plate 5 rear portion, the hinged place of semi-circular plate 5 is provided with and keeps its torsion spring opened, and hinged axle is fixed on a wherein bar of cross bracket 6, cross bracket 6 overcentre is fixed with pressing plate bar 7, the top of pressing plate bar 7 is arranged with the centralized positioning support 8 be fixed on into ice cylinder 3 upper end, the upper end of pressing plate bar 7 is fixed on the sidewall of hopper 1 by two elastic rubber bands 9 of right-angled intersection, elastic rubber band 9 also can replace with extension spring, the height of pressing plate bar 7 should higher than the sidewall of hopper 1.
Concrete pumping pipe method for cleaning comprises following step:
A, when the fast pumping of the concrete in pumping machine hopper 1 completes, by enter ice cylinder 3 and be placed into pumping machine intake 2 above, and fix rapidly elastic rubber band 9 on the sidewall of hopper 1, enter the mixture placing ice cube and Sorbet in ice cylinder 3 in advance, elastic rubber band 9 drives two semi-circular plates 5 to form piston promotion mixture and ensures that it is pumped machine and sucks and send into pumping line, the cumulative volume that mixture adds is not more than the volume of 500mm pumping line, select the volume of 450mm pumping line herein, wherein Sorbet accounts for 60% of cumulative volume, the maximum length of Sorbet is no more than 1mm, the maximum length of ice cube is generally not more than 20mm, minimum dimension is not also less than 10mm, in order to avoid melt or fragmentation,
B, mixture in steps A and send fast at the end of, to pull back pressing plate bar 7, from the top ice cube entering ice cylinder 3, ice cube enters into ice cylinder 3 through hinged semi-circular plate 5, and entering outside ice cylinder 3 to add water, the volume of ice cube is no more than the volume of 1000mm pumping line, select 900mm herein, on the rocks easier in order to make, also can the ice cube in step B first be joined above the mixture in ice cylinder 3 when steps A, the ice cube volume only added is that pressing plate bar 7 of just pulling back adds ice cube not, the maximum length of its medium floe is generally not more than 20mm, minimum dimension is not also less than 10mm, in order to avoid melt or fragmentation,
C, when entering the basic pumping of the ice cube in ice cylinder 3 and completing, continues to add enough water in pumping machine hopper 1 to promote ice cube and concrete moves on, until the concrete in pumping line is all released;
D, closes pumping machine, keeps the water in pumping line, discharges to pumping of concrete is front next time.
Said method cleaning concrete pumping pipe tool is performed such: the mixture in steps A is pumped after machine is sent to pumping line, this part mixture 12 can as a deformable cloth group or sponge ball, good promotion concrete 13 also clears up pumping line inwall, because Sorbet is fine and smooth, therefore shutoff isolation effect is fine, simultaneously due to Sorbet and ice cube unusual light, and be easily out of shape, therefore can not block; Follow closely after ice cube in the step B added and water enters pumping line, the water that continues to pump into can be intercepted in step C to the impact of Sorbet, therefore the density of ice cube is less than water, it can be gathered in the below of mixture 12 rapidly after entering pumping line, form the topping 11 avoiding water slug, and jointly form concrete 13 and the distance piece of water 14 with mixture 12, avoid the water fed continuously directly to rinse concrete, effectively avoid concrete 13 to emanate plugging phenomenon; When through joint or bend pipe, due to ice cube surface unusual light and can breaking deformation, therefore also can not block, a small amount of wearing and tearing and thawing can be there is in ice cube and Sorbet at pumping procedure, this can play the effect of lubrication on the one hand, volume in addition due to distance piece is comparatively large, and a small amount of loss also can not affect the buffer action of distance piece.
The shape of ice cube is general preferred spherical, box-shaped or prismatic, adopts spherical in the application.
The above is only the preferred embodiment of the present invention, and wherein the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention and method, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.

Claims (8)

1. a concrete pumping pipe method for cleaning, is characterized in that including following steps:
A, after in the hopper of pumping machine, depositing concrete terminates, continue the mixture throwing in ice cube and Sorbet in hopper, mixture covers concrete upper surface, presses down mixture and ensures that it is pumped machine and sucks after concrete pumping terminates;
B, continue to add ice cube and water in the hopper of pumping machine, the volume of ice cube is no more than the volume of 1000mm pumping line;
C, continues in pumping machine hopper, to add enough water to promote ice cube and concrete advance, until the concrete in pumping line is all released;
D, closes pumping machine, keeps the water in pumping line, discharges to pumping of concrete is front next time.
2. concrete pumping pipe method for cleaning according to claim 1 and device, is characterized in that: the cumulative volume of described steps A mixture is not more than the volume of 500mm pumping line, and wherein the cumulative volume of Sorbet is not less than the cumulative volume of ice cube.
3. concrete pumping pipe method for cleaning according to claim 1, is characterized in that: the volume of described steps A, B medium floe is all no more than 1.3 times of concrete coarse aggregate maximum volume.
4. concrete pumping pipe method for cleaning according to claim 1, is characterized in that: the shape of described steps A, B medium floe is spherical, box-shaped or prismatic.
5. concrete pumping pipe method for cleaning according to claim 1, is characterized in that: adopt reticular lamina to press down ice cube to ensure that ice cube is preferentially sucked pumping machine in described step B.
6. one kind is exclusively used in the device of claim 1 method for cleaning, it is characterized in that: include hopper, the bottom of hopper is provided with the intake of pumping machine, be connected with around intake vertical arrange cylindrical enter ice cylinder, this lower sides entering ice cylinder is provided with inlet opening, enter in ice cylinder the poroid pressing plate arranging and promote ice cube, this poroid pressing plate is made up of two pieces of diametrically hinged semi-circular plates and the cross bracket that is supported on semi-circular plate rear portion, the hinged place of semi-circular plate is fixed on a bar of cross bracket, cross bracket overcentre is fixed with pressing plate bar, the top of pressing plate bar is arranged with the centralized positioning support be fixed on into ice cylinder upper end, the upper end of pressing plate bar is fixed on the sidewall of hopper by elastic tension apparatus.
7. device as claimed in claim 6, is characterized in that: described take-up device is elastic rubber band or extension spring.
8. device as claimed in claim 6, is characterized in that: described take-up device right-angled intersection is arranged.
CN201510935672.6A 2015-12-15 2015-12-15 Concrete pumping pipe method for cleaning and device Expired - Fee Related CN105484499B (en)

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CN201510935672.6A CN105484499B (en) 2015-12-15 2015-12-15 Concrete pumping pipe method for cleaning and device

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Application Number Priority Date Filing Date Title
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CN105484499B CN105484499B (en) 2017-10-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6175890U (en) * 1984-10-19 1986-05-22
CN203002716U (en) * 2012-12-27 2013-06-19 江西昌南建设集团有限公司 High level concrete pumping pipeline cleaning assembly
CN103321426A (en) * 2013-06-27 2013-09-25 中国新兴建设开发总公司 Pumping concrete cleaning divider and application method thereof
CN204769768U (en) * 2015-07-07 2015-11-18 中兴建设有限公司 Concrete feeding is belt cleaning device for pipeline

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6175890U (en) * 1984-10-19 1986-05-22
CN203002716U (en) * 2012-12-27 2013-06-19 江西昌南建设集团有限公司 High level concrete pumping pipeline cleaning assembly
CN103321426A (en) * 2013-06-27 2013-09-25 中国新兴建设开发总公司 Pumping concrete cleaning divider and application method thereof
CN204769768U (en) * 2015-07-07 2015-11-18 中兴建设有限公司 Concrete feeding is belt cleaning device for pipeline

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王勇: "《换热器维修手册》", 31 July 2010 *

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Inventor after: Wu Rui

Inventor after: Lei Chengliang

Inventor after: Chen Jing

Inventor after: Shi Congli

Inventor after: Zhu Feng

Inventor before: Zhu Lanyu

Inventor before: Zhu Feng

Inventor before: Li Yuan

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Effective date of registration: 20170922

Address after: 401121 A building, California Lily Garden, 1889 Longhua Avenue, Longxi street, Chongqing, Yubei District, 30-1

Applicant after: CHONGQING JIZHI CHUANGXIANG INDUSTRIAL DESIGN Co.,Ltd.

Applicant after: CHONGQING CONSTRUCTION ENGINEERING BUILDING MATERIALS & LOGISTICS CO.,LTD.

Applicant after: CHONGQING CONSTRUCTION ENGINEERING GROUP Co.,Ltd.

Address before: 401121 A building, California Lily Garden, 1889 Longhua Avenue, Longxi street, Chongqing, Yubei District, 30-1

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Granted publication date: 20171031

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