CN108827543B - In a kind of simulation soil at feedwater piping crack leakage loss situation device - Google Patents
In a kind of simulation soil at feedwater piping crack leakage loss situation device Download PDFInfo
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- CN108827543B CN108827543B CN201810389167.XA CN201810389167A CN108827543B CN 108827543 B CN108827543 B CN 108827543B CN 201810389167 A CN201810389167 A CN 201810389167A CN 108827543 B CN108827543 B CN 108827543B
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- crack
- leakage loss
- water
- feedwater piping
- sheet rubber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Abstract
In a kind of simulation soil at feedwater piping crack leakage loss situation device, be related to a kind of device of leakage loss situation at simulation feedwater piping crack.The present invention is to solve can not simulate the actual leakage loss situation in " water is assured " this public supply mains crack, reduce leakage loss simulated experiment precision when existing laboratory research pipe network model.The present invention is made of water-feeding pipes, sheet rubber, iron plate, clip, drainpipe and adjuster；There is the first crack on the water-feeding pipes；There is the second crack on the sheet rubber；There is through-hole on the iron plate, is connected to truncated cone-shaped pipeline on through-hole；Sheet rubber covers on the first crack of water-feeding pipes；Iron plate covers on the second crack on sheet rubber；Iron plate, water-feeding pipes and sheet rubber are fixed together by clip；Drainpipe is connected to the free end of truncated cone-shaped pipeline, and adjuster covers on drainpipe.The present invention improves leakage loss experimental provision simulation precision and reaches 90% or more.
Description
Technical field
The present invention relates to a kind of devices of leakage loss situation at simulation feedwater piping crack.
Background technique
The water that water supply line crack is leaked out in leak in reality can wash away, erosion soil, so that crack is not straight with soil
It contacts, " water is assured " is all wrapped to form by water inside and outside crack.When laboratory research pipe network model, no accurate simulation is practical to be split
The method of seam, usually using the directly draining or method with soil package crack at crack, fail to simulate " water is assured " this
The kind actual leakage loss situation in public supply mains crack, thus not can truly reflect the erosion profile and water leakage at crack,
Reduce leakage loss simulated experiment precision.
Summary of the invention
The present invention is to solve can not simulate " water is assured " this city when existing laboratory research pipe network model to supply
The actual leakage loss situation in pipe network crack, the technical issues of reducing leakage loss simulated experiment precision, and provide in a kind of simulation soil
The device of leakage loss situation at feedwater piping crack.
In simulation soil of the invention at feedwater piping crack the device of leakage loss situation be by water-feeding pipes 1, sheet rubber 2,
Iron plate 3, clip 4, drainpipe 5 and adjuster 6 form；
There is the first crack 1-1 on the water-feeding pipes 1；
There is the second crack 2-1 on the sheet rubber 2, the size of the second crack 2-1 is greater than on water-feeding pipes 1
First crack 1-1；
There is through-hole 3-1 on the iron plate 3, is connected to a truncated cone-shaped pipeline 3-2 on through-hole 3-1, the through-hole 3-1's
Size is greater than the second crack 2-1 on sheet rubber 2；
The sheet rubber 2 covers on the first crack 1-1 of water-feeding pipes 1, and the first crack 1-1 is completely exposed in rubber
In the second crack 2-1 on piece 2；Iron plate 3 covers on the second crack 2-1 on sheet rubber 2, and truncated cone-shaped pipeline 3-2 is along water supply
Tubing 1 radially outward, and the second crack 2-1 completely it is exposed in the through-hole 3-1 of iron plate 3；Clip 4 is pressed on the outer of iron plate 3
Iron plate 3, water-feeding pipes 1 and sheet rubber 2 are fixed together on wall；Drainpipe 5 is connected to the free end of truncated cone-shaped pipeline 3-2,
6 sets of adjuster on drainpipe 5.
The device of leakage loss situation improves existing laboratory simulation pipe at feedwater piping crack in simulation soil of the invention
The method in road leakage loss crack improves leakage loss experimental provision simulation precision and reaches 90% or more, solves existing laboratory simulation pipeline
It is directly drained at crack when leakage loss or wraps up crack with soil, affect leakage loss situation and the erosion profile at tubing crack,
Make the disadvantage of experiment inaccuracy.
The beneficial effects of the present invention are: the device of leakage loss situation can at feedwater piping crack in simulation soil of the invention
Simulate " water is assured " phenomenon at water supply line crack, thus be truly reflected leakage loss situation in water supply network at tubing crack and
Erosion profile, the drainpipe 5 with adjuster 6 can be discharged leak and simulate the closely knit situation of soil by adjuster 6,
The crack can be inclined crack, longitudinal crack, transverse crack or spot corrosion, and the device of the invention, which has, improves existing leakage loss
Experimental provision simulation precision, the true leakage loss feature for restoring " water is assured " at pipe crack are easy to operate.With good experiment
Room application prospect.
Detailed description of the invention
Fig. 1 is the signal for simulating the device of leakage loss situation at feedwater piping crack in soil in specific embodiment one
Figure；
Fig. 2 is the schematic diagram of the water-feeding pipes 1 in specific embodiment one；
Fig. 3 is the schematic diagram of the sheet rubber 2 in specific embodiment one；
Fig. 4 is the schematic diagram of the iron plate 3 in specific embodiment one；
Fig. 5 is the bottom view of Fig. 4；
Fig. 6 is the user for simulating the device of leakage loss situation at feedwater piping crack in soil in specific embodiment one
The schematic diagram of method.
Specific embodiment
Specific embodiment 1: present embodiment is a kind of dress for simulating leakage loss situation at feedwater piping crack in soil
It sets, such as Fig. 1-Fig. 5, is specifically made of water-feeding pipes 1, sheet rubber 2, iron plate 3, clip 4, drainpipe 5 and adjuster 6；
There is the first crack 1-1 on the water-feeding pipes 1；
There is the second crack 2-1 on the sheet rubber 2, the size of the second crack 2-1 is greater than on water-feeding pipes 1
First crack 1-1；
There is through-hole 3-1 on the iron plate 3, is connected to a truncated cone-shaped pipeline 3-2 on through-hole 3-1, the through-hole 3-1's
Size is greater than the second crack 2-1 on sheet rubber 2；
The sheet rubber 2 covers on the first crack 1-1 of water-feeding pipes 1, and the first crack 1-1 is completely exposed in rubber
In the second crack 2-1 on piece 2；Iron plate 3 covers on the second crack 2-1 on sheet rubber 2, and truncated cone-shaped pipeline 3-2 is along water supply
Tubing 1 radially outward, and the second crack 2-1 completely it is exposed in the through-hole 3-1 of iron plate 3；Clip 4 is pressed on the outer of iron plate 3
Iron plate 3, water-feeding pipes 1 and sheet rubber 2 are fixed together on wall；Drainpipe 5 is connected to the free end of truncated cone-shaped pipeline 3-2,
6 sets of adjuster on drainpipe 5.
The flow and flow rate of fugitive water in the adjustable water-feeding pipes 1 of adjuster 6 described in present embodiment, thus mould
The closely knit situation of quasi- soil, when soil is closeer, adjuster 6 slows down the flow velocity of drainpipe 5, when soil is more loose, adjuster 6
The flow velocity for accelerating drainpipe 5 makes the water in water-feeding pipes 1 and leaks out work of the water in present embodiment device of the first crack 1-1
Multiple groups Experimental comparison can be to simulate " water is assured " phenomenon by forming cavity with lower common package the first crack 1-1.
The adjuster 6 of present embodiment is controller of the principle similar to Medical transfusion infusion pipe.
The application method of the device of leakage loss situation is as follows at feedwater piping crack in the simulation soil of present embodiment:
Present embodiment can leakage loss situation at feedwater piping crack, and counterincision in laboratory research situation Imitating soil
Leakage loss situation and erosion profile qualitative analysis at seam, as shown in fig. 6, test macro is by feedwater piping crack in simulation soil
Device 10, flowmeter 11, check-valves 12, water tank 13 and the water pump 14 of leakage loss situation form, and simulate feedwater piping in soil and split
Device 10, flowmeter 11, check-valves 12, the water tank 13 of leakage loss situation are sequentially communicated and recycle with water pump 14 and be connected at seam, in reality
When testing room using the device, by the device of leakage loss situation is mounted on figure at feedwater piping crack in the simulation soil of present embodiment
At the 10 of 6,2/3rds water is added into water tank 13, starts water pump 14, the water in water tank 13 along arrow direction successively
Device 10, flowmeter 11, the check-valves 12 for flowing through water pump 14, simulating leakage loss situation at feedwater piping crack in soil, finally flow
In recovery tank 13.Flow through system of the water a part in Fig. 6 of the device 10 of leakage loss situation at feedwater piping crack in simulation soil
Middle circulation, another part water flow through the first crack 1-1 of water-feeding pipes 1, the rotary table of the second crack 2-1 of sheet rubber 2, iron plate 3
Shape pipeline 3-2 is finally discharged from the drainpipe 5 with adjuster 6, the leakage loss water as water-feeding pipes 1.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the thickness of the sheet rubber 2
For 7mm.Other are same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the iron plate 3 is plating
Zinc-iron piece.Other are the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: the clip 4
For iron hoop.Other are identical as one of specific embodiment one to three.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: the through-hole
3-1 is circular hole.Other are identical as one of specific embodiment one to four.
The present invention is verified with following tests:
Test one: this test is a kind of device for simulating leakage loss situation at feedwater piping crack in soil, such as Fig. 1-Fig. 5,
Specifically it is made of water-feeding pipes 1, sheet rubber 2, iron plate 3, clip 4, drainpipe 5 and adjuster 6；
There is the first crack 1-1 on the water-feeding pipes 1；
There is the second crack 2-1 on the sheet rubber 2, the size of the second crack 2-1 is greater than on water-feeding pipes 1
First crack 1-1；
There is through-hole 3-1 on the iron plate 3, is connected to a truncated cone-shaped pipeline 3-2 on through-hole 3-1, the through-hole 3-1's
Size is greater than the second crack 2-1 on sheet rubber 2；
The sheet rubber 2 covers on the first crack 1-1 of water-feeding pipes 1, and the first crack 1-1 is completely exposed in rubber
In the second crack 2-1 on piece 2；Iron plate 3 covers on the second crack 2-1 on sheet rubber 2, and truncated cone-shaped pipeline 3-2 is along water supply
Tubing 1 radially outward, and the second crack 2-1 completely it is exposed in the through-hole 3-1 of iron plate 3；Clip 4 is pressed on the outer of iron plate 3
Iron plate 3, water-feeding pipes 1 and sheet rubber 2 are fixed together on wall；Drainpipe 5 is connected to the free end of truncated cone-shaped pipeline 3-2,
6 sets of adjuster on drainpipe 5；The sheet rubber 2 with a thickness of 7mm；The iron plate 3 is galvanized sheet iron；The card
Hoop 4 is iron hoop；The through-hole 3-1 is circular hole.
The adjuster 6 of this test is controller of the principle similar to Medical transfusion infusion pipe.
The application method of the device of leakage loss situation is as follows at feedwater piping crack in the simulation soil of this test:
This test can in laboratory research situation Imitating soil leakage loss situation at feedwater piping crack, and at fracture
Leakage loss situation and erosion profile qualitative analysis, as shown in fig. 6, test macro is by feedwater piping crack leakage loss in simulation soil
Device 10, flowmeter 11, check-valves 12, water tank 13 and the water pump 14 of situation form, and simulate in soil at feedwater piping crack
Device 10, flowmeter 11, check-valves 12, the water tank 13 of leakage loss situation are sequentially communicated and recycle with water pump 14 and be connected to, in laboratory
When using the device, by the device of leakage loss situation is mounted at the 10 of Fig. 6 at feedwater piping crack in the simulation soil of this test,
2/3rds water is added into water tank 13, starts water pump 14, the water in water tank 13 flows successively through water pump along the direction of arrow
14, device 10, flowmeter 11, the check-valves 12 of leakage loss situation at feedwater piping crack in soil, last reflow tank 13 are simulated
In.The water a part for flowing through the device 10 of leakage loss situation at feedwater piping crack in simulation soil recycles in the system of Fig. 6, separately
A part of water flows through the first crack 1-1 of water-feeding pipes 1, the truncated cone-shaped pipeline 3-2 of the second crack 2-1 of sheet rubber 2, iron plate 3,
It is finally discharged from the drainpipe 5 with adjuster 6, the leakage loss water as water-feeding pipes 1.
The device of leakage loss situation improves existing laboratory simulation pipe at feedwater piping crack in the simulation soil of this test
The method in road leakage loss crack improves leakage loss experimental provision simulation precision and reaches 90% or more, solves existing laboratory simulation pipeline
It is directly drained at crack when leakage loss or wraps up crack with soil, affect leakage loss situation and the erosion profile at tubing crack,
Make the disadvantage of experiment inaccuracy.
Claims (5)
1. a kind of device for simulating leakage loss situation at feedwater piping crack in soil, it is characterised in that feedwater piping in simulation soil
The device of leakage loss situation is by feedwater piping (1), sheet rubber (2), iron plate (3), clip (4), drainpipe (5) and to adjust at crack
Device (6) composition；
There is the first crack (1-1) on the feedwater piping (1)；
There is the second crack (2-1) on the sheet rubber (2)；
Have through-hole (3-1) on the iron plate (3), a truncated cone-shaped pipeline (3-2) is connected on through-hole (3-1)；
The sheet rubber (2) covers on the first crack (1-1) of feedwater piping (1), and the first crack (1-1) completely it is exposed
In the second crack (2-1) on sheet rubber (2)；Iron plate (3) covers on the second crack (2-1) on sheet rubber (2), round type
Road (3-2) along feedwater piping (1) radially outward, and the second crack (2-1) completely exposed through-hole (3-1) in iron plate (3)
In；Clip (4), which is pressed on the outer wall of iron plate (3), is fixed together iron plate (3), feedwater piping (1) and sheet rubber (2)；Row
Water pipe (5) is connected to the free end of truncated cone-shaped pipeline (3-2), and adjuster (6) covers on drainpipe (5).
2. a kind of device for simulating leakage loss situation at feedwater piping crack in soil according to claim 1, feature exist
In the sheet rubber (2) with a thickness of 7mm.
3. a kind of device for simulating leakage loss situation at feedwater piping crack in soil according to claim 1, feature exist
In the iron plate (3) be galvanized sheet iron.
4. a kind of device for simulating leakage loss situation at feedwater piping crack in soil according to claim 1, feature exist
In the clip (4) be iron hoop.
5. a kind of device for simulating leakage loss situation at feedwater piping crack in soil according to claim 1, feature exist
In the through-hole (3-1) be circular hole.
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| CN201810389167.XA CN108827543B (en) | 2018-04-25 | 2018-04-25 | In a kind of simulation soil at feedwater piping crack leakage loss situation device |
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| CN201810389167.XA CN108827543B (en) | 2018-04-25 | 2018-04-25 | In a kind of simulation soil at feedwater piping crack leakage loss situation device |
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| CN108827543A CN108827543A (en) | 2018-11-16 |
| CN108827543B true CN108827543B (en) | 2019-11-15 |
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| FR2802324B1 (en) * | 1999-12-10 | 2004-07-23 | Inst Francais Du Petrole | METHOD FOR GENERATING A MESH ON A HETEROGENEOUS FORMATION CROSSED BY ONE OR MORE GEOMETRIC DISCONTINUITIES FOR THE PURPOSE OF MAKING SIMULATIONS |
| CN102606890A (en) * | 2012-04-25 | 2012-07-25 | 哈尔滨工业大学 | Device and method for quantifying and positioning loss of water feeding pipeline by applying transient excitation |
| CN103389247B (en) * | 2013-07-11 | 2014-06-25 | 河海大学 | Testing system for simulating hydraulic fracture of concrete members under high water pressure |
| CN104048805B (en) * | 2014-07-02 | 2016-08-24 | 哈尔滨工业大学 | Use the assay method of the device of experimental determination feedwater piping leakage |
| CN104833720B (en) * | 2015-04-24 | 2017-12-15 | 哈尔滨工业大学深圳研究生院 | The method of single coil electromagnetism Resonance detector metallic conduit damage |
| US10197470B2 (en) * | 2016-05-18 | 2019-02-05 | MultiSensor Scientific, Inc. | Hydrocarbon leak imaging and quantification sensor |
| CN107940244A (en) * | 2017-10-13 | 2018-04-20 | 北京无线电计量测试研究所 | A kind of water supply network leakage monitoring system and method |
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Effective date of registration: 20220721 Address after: 150029 floor 35, No. 600, Chuangxin Third Road, high tech Industrial Development Zone, Harbin, Heilongjiang Province Patentee after: HARBIN KAINA TECHNOLOGY Co.,Ltd. Address before: 150001 No. 92 West straight street, Nangang District, Heilongjiang, Harbin Patentee before: HARBIN INSTITUTE OF TECHNOLOGY |