CN105181278A - Landfill impermeable layer damage leakage-checking detection device - Google Patents
Landfill impermeable layer damage leakage-checking detection device Download PDFInfo
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- CN105181278A CN105181278A CN201510423781.XA CN201510423781A CN105181278A CN 105181278 A CN105181278 A CN 105181278A CN 201510423781 A CN201510423781 A CN 201510423781A CN 105181278 A CN105181278 A CN 105181278A
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Abstract
The invention relates to a landfill impermeable layer damage leakage-checking detection device. The landfill impermeable layer damage leakage-checking detection device includes a push rod, two telescopic rods, two detection wheels and a detection component; the bottom of the push rod is fixedly connected with the end portions of the telescopic rods simultaneously; the two detection wheels are respectively arranged at the other end portions of the two telescopic rods; the outer circumferences of the detection wheels are bisque rings; electric conduction components and electric conduction solution are arranged in the detection wheels; and the detection component is communicated with the electric conduction components in the two detection wheels respectively through wires. According to the detection device, the two detection wheels can assuredly touch the ground simultaneously. The landfill impermeable layer damage leakage-checking detection device can excellently adapt to complex terrains of landfill overlying strata. With the landfill impermeable layer damage leakage-checking detection device adopted, missed detection rate can be decreased, and leakage checking precision can be improved, and the wear rate of detection portions can be decreased, and leakage checking cost can be decreased, and leakage checking efficiency can be improved. The leakage-checking interval of the landfill impermeable layer damage leakage-checking detection device is adjustable, and therefore, false detection rate can be reduced, and leakage checking accuracy can be ensured.
Description
Technical field
The present invention relates to field of environment engineering technology, particularly a kind of refuse landfill seepage control layer breakage leak detection sniffer.
Background technology
The refuse landfill of current China generally adopts density polyethylene film with high as refuse landfill seepage control layer, impervious barrier geomembrane easily produces breakage in transport, construction, use procedure, such as during the artificial lining carrying of landfill yard, laying, because machinery or artificial operation lack of standardization can make lining damaged, and easily leave hole at seam crossing; During runing, sink because ground is uneven, contracting deformation, the reason such as mechanical damage and chemical corrosion can cause density polyethylene film with high seepage.And China's industry and house refuse can be divided into inorganic pollution and organic contamination two kinds by its pollutant chemistry type, inorganic pollutant has prussiate, arsenic, mercury, chromium, cadmium, copper, nickel, nitrite plasma, organic contaminant has agricultural chemicals (DDT, benzene hexachloride etc.), organic chlorine-containing compound, aldehyde, ketone, phenol, polychlorinated biphenyl and aromatic amino compound, high molecular polymer (plastics, synthetic rubber, regenerated fiber), dyestuff etc.Refuse landfill seepage control layer is once occur damaged, underground water and soil will be entered through damaged leak with heavy metal ion and the organic garbage leachate of severe toxicity, the soil and water resources of periphery is polluted, masses' life security around serious harm, therefore refuse landfill seepage control layer breakage leak detection detection problem must attach great importance to.
Sniffer of the prior art generally adopts the two bique sonde configurations shown in accompanying drawing 4, comprising: montant 11, cross bar 12 and two bique probes 13.Two bique probes 13 are separately positioned on the two ends of cross bar 12, and montant 11 is fixedly connected with cross bar 12 is vertical, and operating personnel make this sniffer move on impervious barrier by the montant 11 that rises and falls, and then completes geomembrane leak source exploration work.Because refuse landfill seepage control layer is coated with the soil body or solid waste heap body, height big rise and fall, is limited to orographic factor, and the cross bar 12 of sniffer is difficult to ensure that front and back bique probe 13 lands simultaneously, and easily cause undetected, precision of detecting leak gas is low; Simultaneously, sniffer cross bar 12 size can not regulate, can not meet the demand of different refuse landfill different measuring spacing, precision of detecting leak gas is difficult to ensure, easily occurs flase drop, and in the actual leak detection work confirming refuse landfill breakage, need the superstratum of the thick incomplete dry ground body of the about 30cm of hand excavation or solid waste heap body, workload is large, and flase drop can waste the exploration time greatly, reduce exploration efficiency, incur loss through delay leak detection progress.Sniffer of the prior art is when operating, need manpower to assist to rise and fall, current refuse landfill area is generally in ten thousand square meter ranks, and leak detection speed is slow, and labour intensity is large, simultaneously, two bique probes 13 very easily wear and tear in reality leak detection exploration work, need periodic replacement, have both added leak detection cost, also delay leak detection exploration progress, exploration efficiency is lower.
Summary of the invention
The invention provides a kind of refuse landfill seepage control layer breakage leak detection sniffer, solving or partly solving sniffer unreasonable structure in prior art easily produces undetected, detection spacing cannot be adjusted and produce flase drop, and bique probe very easily wearing and tearing increase leak detection cost, reduce the technical matters of leak detection exploration efficiency, achieve and guarantee that two detection wheels land simultaneously, the complicated landform of good conformity refuse landfill superstratum, reduce loss, improve precision of detecting leak gas; Ensure that the leak detection spacing of this sniffer is adjustable, reduce false drop rate, ensure precision of detecting leak gas; Meanwhile, greatly reduce the degree of wear at detection position, reduce leak detection cost, improve the technique effect of leak detection efficiency.
A kind of refuse landfill seepage control layer breakage leak detection sniffer provided by the invention, the leak detection for refuse landfill seepage control layer is surveyed, and described sniffer comprises: push rod, two expansion links, two detection wheels and exploring blocks; The bottom of described push rod is connected with the end winding support of described two expansion links simultaneously; Described two detection wheels are separately positioned on the other end of described two expansion links; The excircle of described detection wheel is bique ring, and the inside of described detection wheel arranges conductive component and conducting solution; Described exploring block detects the described conductive component in taking turns with described two respectively by wire and is communicated with.
As preferably, described detection wheel is flexibly connected with described expansion link by rotating shaft, and described rotating shaft and described expansion link form revolute pair, and described detection wheel and rotating shaft can rotate around the axis of described rotating shaft;
Described conductive component is copper rod; Described conducting solution is CuSO
45H
2the solution of O crystal;
Wherein, during described leak detection detection system work, described CuSO
45H
2the solution of O crystal constantly oozes out from described bique ring, when moving to leak source position, electric current from leak source ground through described CuSO
45H
2the solution of O crystal flows into described copper rod, and then flow to described exploring block by described wire.
As preferably, the inside of described detection wheel arranges many copper rods;
Described many copper rods are along the radial arrangement of described detection wheel, and described many copper rods angle is between any two identical.
As preferably, described two expansion links are in tilted layout; Described two expansion links are symmetrical arranged about vertical direction;
Described two expansion links are connected the horizontal level of horizontal level higher than described two expansion link other ends of one end with described push rod.
As preferably, described expansion link comprises: loop bar, pole and slip-knot;
Described loop bar inside is hollow-core construction, and one end of described loop bar is fixedly connected with the bottom of described push rod;
The external diameter of described pole is less than the internal diameter of described loop bar; One end of described pole is located in described loop bar, is flexibly connected with described loop bar by slip-knot; The other end of described pole with described detect to take turns be connected;
Wherein, described loop bar and pole form sliding pair, and described pole along the axle center slippage of described loop bar, can realize elongating or shortening of described expansion link then.
As preferably, described push rod is obliquely installed; The top of described push rod is fixedly connected with a lever.
The technical scheme provided in the embodiment of the present application, at least has following technique effect or advantage:
1, be provided with the detection wheel of conducting solution and conductive component owing to have employed inside, detection wheel is movably arranged on the bottom of expansion link by rotating shaft, conductive component is communicated with exploring block by wire; The excircle of detection wheel is bique ring, during the work of this sniffer, operating personnel make detection wheel roll on impervious barrier by push rod, conducting solution in detection wheel is oozed out by bique ring, when detecting wheel and moving to leak source position, electric current flows into conductive component from leak source ground through conducting solution, and then flow to exploring block by wire, completes the exploration of leak source like this.Like this, efficiently solve bique probe very easily wearing and tearing increase leak detection cost in prior art, reduce the technical matters of leak detection exploration efficiency, achieve the rolling friction of detection wheel and impervious barrier, greatly reduce the degree of wear of bique ring, avoid frequent replacing to detect wheel, reduce leak detection cost, improve efficiency of hunting leak; Meanwhile, by the rolling of detection wheel, greatly reduce the labour intensity of operating personnel, improve speed of detection and efficiency.
2, owing to have employed two expansion links be obliquely installed, operating personnel promote push rod makes detection take turns when rolling on impervious barrier, two expansion links tilted form inverted V-shapeds, increase structure by property, can the complicated landform that rises and falls of good adaptation refuse landfill superstratum height; Meanwhile, expansion link can carry out extending and shortening, and ensures that the leak detection spacing of this sniffer is adjustable, the difference leak detection spacing demand of each refuse landfill of adaptation that can be good.Like this, efficiently solving sniffer unreasonable structure in prior art easily produces undetected, detection spacing cannot be adjusted and produce the technical matters of flase drop, achieve and guarantee that two detection wheels land simultaneously, the complicated landform of good conformity refuse landfill superstratum, reduce loss, improve precision of detecting leak gas; Ensure that the leak detection spacing of this sniffer is adjustable, ensure precision of detecting leak gas, reduce false drop rate, the unnecessary leak source confirmation work avoiding flase drop to produce, ensure the technique effect of leak detection progress further.
Accompanying drawing explanation
The configuration diagram of the sniffer that Fig. 1 provides for the first embodiment of the application;
The configuration diagram of the sniffer that Fig. 2 provides for the application's the second embodiment;
The configuration diagram of wheel is detected in the sniffer that Fig. 3 provides for the embodiment of the present application;
Fig. 4 is the configuration diagram of sniffer in prior art;
Fig. 5 carries out the schematic diagram of exploration work for sniffer that the first embodiment of the application provides;
(in figure, the parts of each label representative are followed successively by: 1 lever, 2 push rods, 3 loop bars, 4 slip-knots, 5 poles, 6 detection wheels, 7 bique rings, 8 rotating shafts, 9 conducting solutions, 10 conductive components, 11 montants, 12 cross bars, 13 bique probes, 14 electrodes)
Embodiment
The invention provides a kind of refuse landfill seepage control layer breakage leak detection sniffer, solving or partly solving sniffer unreasonable structure in prior art easily produces undetected, detection spacing cannot be adjusted and produce flase drop, and bique probe very easily wearing and tearing increase leak detection cost, reduce the technical matters of leak detection exploration efficiency, by arranging two expansion links tilted, and detection wheel is set in the bottom of expansion link, the structure of two expansion link composition inverted V-shapeds, achieve and guarantee that two detection wheels land simultaneously, the complicated landform of good conformity refuse landfill superstratum, reduce loss, improve precision of detecting leak gas, elongating or shortening by expansion link, ensures that the leak detection spacing of this sniffer is adjustable, reduces false drop rate, ensures precision of detecting leak gas, meanwhile, by the rolling of detection wheel, greatly reduce the degree of wear at detection position, reduce leak detection cost, improve the technique effect of leak detection efficiency.
Below in conjunction with accompanying drawing, the present invention is explained in further detail:
A kind of refuse landfill seepage control layer breakage leak detection sniffer provided by the invention, the leak detection for refuse landfill seepage control layer is surveyed, and see attached Fig. 1 and 2, this sniffer comprises: push rod 2, two expansion links, two detection wheels 6 and exploring block; The bottom of push rod 2 is connected with the end winding support of two expansion links simultaneously; Two detection wheels 6 are separately positioned on the other end of two expansion links; The excircle of detection wheel 6 is bique ring 7, and the inside of detection wheel 6 arranges conductive component 10 and conducting solution 9; By wire, the conductive component 10 detected in wheel 6 is communicated with exploring block with two respectively.
Wherein, during the work of this sniffer, operating personnel make detection wheel 6 roll on impervious barrier by push rod 2, conducting solution 9 in detection wheel 6 is oozed out by bique ring 7, when detecting wheel 6 and moving to leak source position, electric current flows into conductive component 10 from leak source ground through conducting solution 9, and then flow to exploring block by wire, completes the exploration of leak source like this.Detection wheel 6 and the rolling friction of impervious barrier, greatly reduce the degree of wear of bique ring 7, avoids frequent replacing to detect wheel 6, reduce leak detection cost, improve leak detection efficiency; Meanwhile, by detecting the rolling of wheel 6, greatly reducing the labour intensity of operating personnel, improve speed of detection and efficiency.
Further, detection wheel 6 is flexibly connected with expansion link by rotating shaft 8, and rotating shaft 8 and expansion link form revolute pair, detect wheel 6 and rotating shaft 8 can around the shaft 8 axis rotation.
As a kind of preferred embodiment, conductive component 10 is copper rod; Conducting solution 9 is CuSO
45H
2the solution of O crystal; CuSO
45H
2the solution of O crystal can ooze out in bique ring 7.During the work of this sniffer, see accompanying drawing 5, utilize the insulativity of impervious barrier geomembrane (i.e. density polyethylene film with high) and the electric conductivity of percolate or underground water, at density polyethylene film with high, electrode 14 is set respectively up and down, voltage is provided to the upper/lower electrode 14 of density polyethylene film with high respectively by high pressure generator, due to density polyethylene film with high insulation characterisitic, two detection wheels 6 can detect the Potential Distributing on density polyethylene film with high.Concrete principle is: during sniffer work, CuSO
45H
2the solution of O crystal constantly oozes out from bique ring 7, when moving to leak source position, electric current from leak source ground through CuSO
45H
2the solution of O crystal flows into copper rod, and then flow to exploring block by wire.Like this, exploring block can measure the potential value of two detection wheel 6 positions, and then determines leak source position.
Further, see accompanying drawing 3, the inside of detection wheel 6 arranges many copper rods; Many copper rods are along the radial arrangement detecting wheel 6, and many copper rods angle is between any two identical.When can guarantee that detection wheel 6 is rolled to any position by arranging many copper rods, current signal can transmit in time, guarantees that current signal transfer can not postpone, causes flase drop.
Further, two expansion links are in tilted layout; Two expansion links are symmetrical arranged about vertical direction; Two expansion links are connected the horizontal level of horizontal level higher than two expansion link other ends of one end with push rod 2, even if two expansion links tilted form inverted V-shaped structure, increase this sniffer by property, make sniffer can the complicated landform that rises and falls of good adaptation refuse landfill superstratum height; Meanwhile, expansion link can carry out extending and shortening, and ensures that the leak detection spacing of this sniffer is adjustable, the difference leak detection spacing demand of each refuse landfill of adaptation that can be good.
Further, expansion link comprises: loop bar 3, pole 5 and slip-knot 4; Loop bar 3 inside is hollow-core construction, and one end of loop bar 3 is fixedly connected with the bottom of push rod 2; The external diameter of pole 5 is less than the internal diameter of loop bar 3; One end of pole 5 is located in loop bar 3, is flexibly connected with loop bar 3 by slip-knot 4; The other end of pole 5 is connected with detection wheel 6; Wherein, loop bar 3 and pole 5 form sliding pair, and pole 5 along the axle center slippage of loop bar 3, can realize elongating or shortening of expansion link then.
See accompanying drawing 1, as the first embodiment, push rod 2 is vertically arranged.See accompanying drawing 2, as the second preferred embodiment, push rod 2 is obliquely installed; The top of push rod 2 is fixedly connected with a lever 1.The push rod 2 handled easily personnel tilted keep the posture of standing, and operation of avoiding bending over causes physical fatigue, by setting operation handle 1, makes the easy to use of this sniffer.
The technical scheme provided in the embodiment of the present application, at least has following technique effect or advantage:
1, be provided with the detection wheel of conducting solution 9 and conductive component 10 owing to have employed inside, detection wheel 6 is movably arranged on the bottom of expansion link by rotating shaft 8, conductive component 10 is communicated with exploring block by wire; The excircle of detection wheel 6 is bique ring 7, during the work of this sniffer, operating personnel make detection wheel 6 roll on impervious barrier by push rod 2, conducting solution 9 in detection wheel 6 is oozed out by bique ring 7, when detecting wheel 6 and moving to leak source position, electric current flows into conductive component 10 from leak source ground through conducting solution 9, and then flow to exploring block by wire, completes the exploration of leak source like this.Like this, efficiently solve bique probe 13 very easily wearing and tearing increase leak detection cost in prior art, reduce the technical matters of leak detection exploration efficiency, achieve the rolling friction of detection wheel 6 and impervious barrier, greatly reduce the degree of wear of bique ring 7, avoid frequent replacing to detect wheel 6, reduce leak detection cost, improve leak detection efficiency; Meanwhile, by detecting the rolling of wheel 6, greatly reducing the labour intensity of operating personnel, improve speed of detection and efficiency.
2, owing to have employed two expansion links be obliquely installed, operating personnel promote push rod 2 makes detection take turns 6 when rolling on impervious barrier, two expansion links tilted form inverted V-shapeds, increase structure by property, can the complicated landform that rises and falls of good adaptation refuse landfill superstratum height; Meanwhile, expansion link can carry out extending and shortening, and ensures that the leak detection spacing of this sniffer is adjustable, the difference leak detection spacing demand of each refuse landfill of adaptation that can be good.Like this, efficiently solving sniffer unreasonable structure in prior art easily produces undetected, detection spacing cannot be adjusted and produce the technical matters of flase drop, achieve and guarantee that two detection wheels 6 land simultaneously, the complicated landform of good conformity refuse landfill superstratum, reduce loss, improve precision of detecting leak gas; Ensure that the leak detection spacing of this sniffer is adjustable, ensure precision of detecting leak gas, reduce false drop rate, the unnecessary leak source confirmation work avoiding flase drop to produce, ensure the technique effect of leak detection progress further.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a refuse landfill seepage control layer breakage leak detection sniffer, the leak detection for refuse landfill seepage control layer is surveyed, and it is characterized in that, described sniffer comprises: push rod, two expansion links, two detection wheels and exploring blocks; The bottom of described push rod is connected with the end winding support of described two expansion links simultaneously; Described two detection wheels are separately positioned on the other end of described two expansion links; The excircle of described detection wheel is bique ring, and the inside of described detection wheel arranges conductive component and conducting solution; Described exploring block detects the described conductive component in taking turns with described two respectively by wire and is communicated with.
2. sniffer as claimed in claim 1, is characterized in that,
Described detection wheel is flexibly connected with described expansion link by rotating shaft, and described rotating shaft and described expansion link form revolute pair, and described detection wheel and rotating shaft can rotate around the axis of described rotating shaft;
Described conductive component is copper rod; Described conducting solution is CuSO
45H
2the solution of O crystal;
Wherein, during described leak detection detection system work, described CuSO
45H
2the solution of O crystal constantly oozes out from described bique ring, when moving to leak source position, electric current from leak source ground through described CuSO
45H
2the solution of O crystal flows into described copper rod, and then flow to described exploring block by described wire.
3. sniffer as claimed in claim 2, is characterized in that,
The inside of described detection wheel arranges many copper rods;
Described many copper rods are along the radial arrangement of described detection wheel, and described many copper rods angle is between any two identical.
4. sniffer as claimed in claim 1, is characterized in that,
Described two expansion links are in tilted layout; Described two expansion links are symmetrical arranged about vertical direction;
Described two expansion links are connected the horizontal level of horizontal level higher than described two expansion link other ends of one end with described push rod.
5. sniffer as claimed in claim 1, is characterized in that,
Described expansion link comprises: loop bar, pole and slip-knot;
Described loop bar inside is hollow-core construction, and one end of described loop bar is fixedly connected with the bottom of described push rod;
The external diameter of described pole is less than the internal diameter of described loop bar; One end of described pole is located in described loop bar, is flexibly connected with described loop bar by slip-knot; The other end of described pole with described detect to take turns be connected;
Wherein, described loop bar and pole form sliding pair, and described pole along the axle center slippage of described loop bar, can realize elongating or shortening of described expansion link then.
6. sniffer as claimed in claim 1, is characterized in that,
Described push rod is obliquely installed; The top of described push rod is fixedly connected with a lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423781.XA CN105181278A (en) | 2015-07-17 | 2015-07-17 | Landfill impermeable layer damage leakage-checking detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423781.XA CN105181278A (en) | 2015-07-17 | 2015-07-17 | Landfill impermeable layer damage leakage-checking detection device |
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| CN105181278A true CN105181278A (en) | 2015-12-23 |
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| CN201510423781.XA Pending CN105181278A (en) | 2015-07-17 | 2015-07-17 | Landfill impermeable layer damage leakage-checking detection device |
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| CN105675237A (en) * | 2016-01-13 | 2016-06-15 | 中国科学院武汉岩土力学研究所 | Landfill impervious layer hole detection system and method |
| CN106284444A (en) * | 2016-09-09 | 2017-01-04 | 天津建昌环保股份有限公司 | A kind of portable electricity geomembrane leak detection apparatus |
| CN111638164A (en) * | 2020-05-25 | 2020-09-08 | 河海大学 | Device, system and method for detecting geomembrane leakage position by double-electrode method |
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