CN105043820A - Contaminated site sampling device and seepage pollution detection system - Google Patents
Contaminated site sampling device and seepage pollution detection system Download PDFInfo
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- CN105043820A CN105043820A CN201510404143.3A CN201510404143A CN105043820A CN 105043820 A CN105043820 A CN 105043820A CN 201510404143 A CN201510404143 A CN 201510404143A CN 105043820 A CN105043820 A CN 105043820A
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Abstract
Belonging to the technical field of environmental pollution detection, the invention relates to a contaminated site sampling device and a seepage pollution detection system. The sampling device comprises: a sampling body, a liquid collection tank, a vacuum pumping component, a pressurization component and a sampling bottle. The sampling body is a porous ceramic structure, and the liquid collection tank is an internally enclosed cavity structure, is arranged above the sampling body and is communicated with the sampling body through an infusion tube. The vacuum pumping component is communicated with the liquid collection tank through a pipeline. The pressurization component is communicated with the liquid collection tank through a pipeline. The sampling bottle is communicated with the liquid collection tank through a sampling tube. The detection system comprises a plurality of sampling devices. The sampling bodies and liquid collection tanks in the plurality of sampling devices are fixed at a plurality of sampling points set at the contaminated site, and the plurality of sampling points are located at different depths. The contaminated site sampling device and the seepage pollution detection system provided by the invention can perform long-term continuous sampling and monitoring on contaminated soil, and have the advantages of comprehensive monitoring information, convenient installation and sampling, real-time and efficient monitoring, and accurate seepage detection position.
Description
Technical field
The present invention relates to environment pollution detection technical field, particularly contaminated site sampler and leakage pollution detection system.
Background technology
National Investigation of Soil Pollution publication display according to Chinese Ministry of Environmental Protection issues: national soil environment situation totally allows of no optimist, and some areas soil pollution is heavier, and arable soil environmental quality causes anxiety, industry and mining discarded ground soil environment outstanding problem.The human activity such as industry and mining, agricultural and Environmental Background Values of Soils height are the main causes causing soil pollution or exceed standard.Soil total exceeding standard rate in the whole nation is 16.1%, and wherein slightly, slightly, moderate and serious pollution point position ratio be respectively 11.2%, 2.3%, 1.5% and 1.1%.Pollution type is based on inorganic type, and organic type takes second place, and compound pollution proportion is less, and an inorganic pollutant figure place that exceeds standard accounts for 82.8% of all super punctuation bits.Investigation result shows: in China's soil pollution, heavy metal pollution occupies sizable ratio, and seriously polluted, is badly in need of administering.
After soil pollution, the most directly impact is exactly the quality of underground water, and along with the migration of pollutant in soil and diffusion, the dark contaminated place of underground water or contaminated site periphery agricultural land threatens.At present, the whole nation ten large water quality have half nearly to receive pollution, and lake water quality four one-tenth is polluted.Meanwhile, the agricultural land of each large contaminated site periphery, the underground depth of water are by the threat of soil pollution.
Potential threat pollution source are had to periphery farmland and pollution source for contaminated site existing at present, landfill yard etc., also comparatively single to the monitoring mode of Contaminants Transport and underground water.The mode that in prior art, monitor well is preset in the many employings of landfill yard is monitored, and monitor well is comparatively single to the monitoring mode of pollution source, and monitor well only can describe the average pollution situation of water quality of a point, effectively cannot monitor landfill yard integral status.Another comparatively common pollution monitoring design is exactly soil liquid sampler, and this kind of sampler is pre-buried with contaminated site a bit by sampling head, regularly carries out sampling detection.The drawback of this kind of method is also that sampling spot is single, samples discontinuous and long term monitoring difficult, is difficult to realize multiple spot Real-Time Monitoring.Meanwhile, for the investigation of contaminated site, detection system of the prior art can only adopt single-point to investigate and integrate enquiry data to obtain contaminated site polluted information, and the complicated efficiency of method is lower.Meanwhile, for the leakage detection problem in existing landfill place, current Detection Techniques are also difficult to the degree of depth determining seepage accurately.
Summary of the invention
The contaminated site sampler that the application provides and leakage pollution detection system, solve or part to solve pick-up unit sampling spot of the prior art single, sample discontinuous and long term monitoring difficult, be difficult to the technical matters realizing multiple spot Real-Time Monitoring, achieve the long-term lasting sampling to contaminated soil, monitoring information is comprehensive, installation sampling is convenient, monitor the technique effect of real-time high-efficiency.
This application provides a kind of contaminated site sampler, described sampler comprises: sampling body, intercepting basin, vacuumizing part, pressure-producing part and sampling jar; Described sampling body is porous ceramic structure; Described intercepting basin is the cavity body structure of enclose inside, is arranged on the top of described sampling body and is communicated with described sampling body by woven hose; Described vacuumizing part is communicated with described intercepting basin by pipeline; Described pressure-producing part is communicated with described intercepting basin by pipeline; Described sampling jar is communicated with described intercepting basin by stopple coupon.
As preferably, described vacuumizing part is vacuum pump, and described vacuum delivery side of pump is communicated with the first tracheae, and described first tracheae arranges the first valve;
Described pressure-producing part is air compressor machine, and the output terminal of described air compressor machine is communicated with the second tracheae, and described second tracheae arranges the second valve;
Described first tracheae is communicated with wireway by three-way pipe with the second tracheae, and described wireway is communicated with described intercepting basin, and the mouth of pipe of described wireway end is positioned at the top of described intercepting basin;
Described stopple coupon is arranged the 3rd valve; The mouth of pipe of described stopple coupon end is positioned at the bottom of described intercepting basin;
Wherein, described first valve open and described second valve and the 3rd valve closing time, described vacuum pump work makes in negative pressure state in described intercepting basin, and the contaminated soil water sample infiltrated in described sampling body is inhaled into described intercepting basin by described woven hose; When after the mouth of pipe higher than described stopple coupon of the liquid level of water sample described in described intercepting basin, close described first valve and open described second valve and the 3rd valve, it is inner that gases at high pressure are filled with described intercepting basin by described air compressor machine work, and described water sample is clamp-oned in described sampling jar by described stopple coupon by described gases at high pressure.
As preferably, described sampler also comprises: PH electrode, ammonia nitrogen electrode, heavy metal electrode and data acquisition unit;
Described PH electrode is fixed on the inner bottom of described intercepting basin, is communicated with described data acquisition unit by signal transmssion line;
Described ammonia nitrogen electrode is fixed on the inner bottom of described intercepting basin, is communicated with described data acquisition unit by signal transmssion line;
Described heavy metal electrode is fixed on the inner bottom of described intercepting basin, is communicated with described data acquisition unit by signal transmssion line;
Wherein said PH electrode, ammonia nitrogen electrode and heavy metal electrode position are in same level, and when after PH electrode, ammonia nitrogen electrode and heavy metal electrode described in described water sample submergence, the pH value information of described water sample is sent to described data acquisition unit by described PH electrode; The ammonia-nitrogen content information of described water sample is sent to described data acquisition unit by described ammonia nitrogen electrode; The heavy metal concentration information of described water sample is sent to described data acquisition unit by described heavy metal electrode.
As preferably, described sampler also comprises liquid level gauge;
Described liquid level gauge is arranged in described intercepting basin; Described liquid level gauge is communicated with described data acquisition unit by logical circuit.
As preferably, described sampler also comprises protective sleeve; Described sampling body and intercepting basin are rolled into one by described protective sleeve; The material of described protective sleeve is crosslinked bridge formation polyethylene foam material.
Present invention also provides a kind of leakage pollution detection system, described detection system comprises multiple described sampler; Sampling body in described multiple sampler and intercepting basin are fixed on multiple sampling spots of contaminated site setting; Described multiple sampling spot is positioned at the different degree of depth.
As preferably, described multiple sampling spot is arranged on the different depth of same boring, and described boring is drilled to set angle of inclination by boring bar tool;
Described protective sleeve by described sampling body and intercepting basin parcel and moulding integral;
Wherein, when the described sampling body in described multiple sampler and intercepting basin are placed on corresponding described sampling spot, the outer wall of multiple described protective sleeve is close to the soil of the described contaminated site of surrounding respectively.
As preferably, described detection system comprises 5 described samplers; Sampling body in described 5 samplers and intercepting basin are fixed on 5 sampling spots of described contaminated site.
As preferably, it is in the same boring of 45 ° that the sampling body in described 5 samplers and intercepting basin are fixed on angle of inclination;
Horizontal spacing between adjacent 2 of described 5 sampling spots is identical;
Longitudinal pitch between adjacent 2 of described 5 sampling spots is identical;
Vertical direction spacing between adjacent 2 of described 5 sampling spots is identical.
As preferably, described 5 samplers share same vacuum pump and air compressor machine;
Described vacuum delivery side of pump is communicated with described intercepting basin by 5 arms, and described 5 arms arrange 5 the first air valves respectively;
The output terminal of described air compressor machine is communicated with described intercepting basin by 5 arms, and described 5 arms arrange 5 the second air valves respectively.
Contaminated site sampler provided by the invention is by arranging sampling body, intercepting basin, vacuumizing part, the structure of pressure-producing part and sampling jar, after sampling body is placed on the desired location of contaminated site, in contaminated site, the water sample of contaminated soil penetrates into sampling body, gas in intercepting basin is extracted out and is formed negative pressure by vacuumizing part, the water sample in sampling body is made to be inhaled into intercepting basin by woven hose, after the water sample height in intercepting basin reaches setting value, vacuumizing part quits work, gases at high pressure are filled with intercepting basin by pressure-producing part, the water sample in intercepting basin is made to be squeezed in sampling jar under gas pressure, complete sampling work like this, wherein, the sampling physical efficiency be made up of porous ceramics can stop pollutant to the blocking of sampling body while ensureing water sample infiltration, ensures the lasting sampling to contaminated soil.To sample body and intercepting basin parcel by protective sleeve and moulding integral, crosslinked bridge formation polyethylene foam material selected by protective sleeve, and have some strength, deformability is good, can compatible deformation and hole wall fit after boring put into by protective sleeve, and guarantee samples to be carried out for a long time smoothly.By arranging PH electrode, ammonia nitrogen electrode, heavy metal electrode and data acquisition unit in intercepting basin, three electrodes can detect pH, heavy metal concentration and ammonia-nitrogen content in the soil liquid respectively, and the conversion of data and reality is realized by data acquisition unit, grasp the pollution situation of different depth below contaminated site, be convenient to Real-Time Monitoring.
Further, leakage pollution detection system provided by the invention is by being arranged on the different depth of same inclined drill by multiple above-mentioned sampler, corresponding multiple data acquisition units achieve the water sampling of contaminated site diverse location, realize multiple spot Real-Time Monitoring, by the water sample Analysis on monitoring data of same time diverse location, the change of water quality parameter in the soil liquid between vertical height and two horizontal directions is gone out by angle of inclination and sampling body distance computation, after statistical study, just the three-dimensional pollution situation of soil and underground water in sample region can be understood, determine the range of scatter of pollution source and pollute migratory direction, be convenient to take measures in time, effective preventing pollution source is to the further pollution of Soil Surrounding or underground water.
Accompanying drawing explanation
The configuration diagram of the contaminated site sampler that Fig. 1 provides for the embodiment of the present invention;
The configuration diagram of the leakage pollution detection system that Fig. 2 provides for the embodiment of the present invention.
(in diagram, the parts of each label representative are followed successively by: 1 sampling jar, 2 air compressor machines, 3 vacuum pumps, 4 wireways, 5 liquid level gauges, 6 intercepting basins, 7 protective sleeves, 8 sampling bodies, 9 woven hoses, 10PH electrode, 11 ammonia nitrogen electrodes, 12 heavy metal electrodes, 13 data acquisition units, 14 liquid flowing tubes, 15 the 3rd valves, 16 borings, 17 contaminated soils, 18 sampling spots.)
Embodiment
Below in conjunction with accompanying drawing, the present invention is explained in further detail:
See accompanying drawing 1, this application provides a kind of contaminated site sampler and comprise: sampling body 8, intercepting basin 6, vacuumizing part, pressure-producing part and sampling jar 1; Sampling body 8 is porous ceramic structure, pollutant can be stoped the blocking of sampling body 8, ensure the lasting sampling to contaminated soil 17 while can ensureing the water sample infiltration in contaminated soil 17; Intercepting basin 6 is the cavity body structure of enclose inside, is arranged on the top of sampling body 8 and is communicated with sampling body 8 by woven hose 9; Vacuumizing part is communicated with intercepting basin 6 by pipeline; Pressure-producing part is communicated with intercepting basin 6 by pipeline; Sampling jar 1 is communicated with intercepting basin 6 by stopple coupon 14.After sampling body 8 is placed on the desired location of contaminated site, water sample in contaminated soil 17 penetrates into sampling body 8, gas in intercepting basin 6 is extracted out and is formed negative pressure by vacuumizing part, the water sample in sampling body 8 is made to be inhaled into intercepting basin 6 by woven hose 9, after the water sample height in intercepting basin 6 reaches setting value, vacuumizing part quits work, and gases at high pressure are filled with intercepting basin 6 by pressure-producing part, water sample in intercepting basin 6 is squeezed in sampling jar 1 under gas pressure, completes sampling work like this.Wherein, when gases at high pressure extrude the water sample in intercepting basin 6, because sampling body 8 is porous ceramic structure, the water sample in contaminated soil 17 can penetrate into sampling body 8, but be difficult to oppositely flow into soil, so the water sample in intercepting basin 6 can only be clamp-oned in sampling jar 1 under gas pressure from sampling body 8.
As preferably, vacuumizing part is vacuum pump 3, and the output terminal of vacuum pump 3 is communicated with the first tracheae, the first tracheae is arranged the first valve; Pressure-producing part is air compressor machine 2, and the output terminal of air compressor machine 2 is communicated with the second tracheae, the second tracheae is arranged the second valve; First tracheae is communicated with wireway 4 by three-way pipe with the second tracheae, wireway 4 connected set liquid bath 6, and the mouth of pipe of wireway 4 end is positioned at the top of intercepting basin 6; Stopple coupon 14 is arranged the 3rd valve 15; The mouth of pipe of stopple coupon 14 end is positioned at the bottom of intercepting basin 6.
Wherein, when the first valve open and the second valve and the 3rd valve 15 are closed, vacuum pump 3 work makes in negative pressure state in intercepting basin 6, and the water sample infiltrated in sampling body 8 is inhaled into intercepting basin 6 by woven hose 9; When after the mouth of pipe higher than stopple coupon 14 of the liquid level of water sample in intercepting basin 6, close the first valve and open the second valve and the 3rd valve 15, air compressor machine 2 works, and gases at high pressure to be filled with intercepting basin 6 inner, and water sample is clamp-oned in sampling jar 1 by stopple coupon 14 by gases at high pressure.
Further, sampler also comprises: PH electrode 10, ammonia nitrogen electrode 11, heavy metal electrode 12 and data acquisition unit 13; PH electrode 10 is fixed on the inner bottom of intercepting basin 6, is communicated with data acquisition unit 13 by signal transmssion line; Ammonia nitrogen electrode 11 is fixed on the inner bottom of intercepting basin 6, is communicated with data acquisition unit 13 by signal transmssion line; Heavy metal electrode 12 is fixed on the inner bottom of intercepting basin 6, is communicated with data acquisition unit 13 by signal transmssion line; Wherein, PH electrode 10, ammonia nitrogen electrode 11 and heavy metal electrode 12 position are in same level, and when after soil liquid submergence PH electrode 10, ammonia nitrogen electrode 11 and heavy metal electrode 12, the pH value information of water sample is sent to data acquisition unit 13 by PH electrode 10; The ammonia-nitrogen content information of water sample is sent to data acquisition unit 13 by ammonia nitrogen electrode 11; The heavy metal concentration information of water sample is sent to data acquisition unit 13 by heavy metal electrode 12.Intercepting basin 6 is in the water sample collection process of contaminated soil 17, water sample submergence PH electrode 10, ammonia nitrogen electrode 11, heavy metal electrode 12, three electrodes can detect pH, heavy metal concentration and ammonia-nitrogen content in water sample respectively, and the conversion of data and reality is realized by data acquisition unit 13, grasp the pollution situation of different depth below place, be convenient to Real-Time Monitoring.
Further, a liquid level gauge 5 is set in intercepting basin 6, liquid level gauge 5 is communicated with data acquisition unit 13 by logical circuit, when after the water sample liquid level Fluid Contacting position meter 5 in intercepting basin 6, liquid level gauge 5 sends water level signal to data acquisition unit 13, by the data display of data acquisition unit 13, operating personnel learn that the water sample in intercepting basin 6 reaches setting height, the first valve of vacuum pump 3 can be closed, open the second valve and the 3rd valve 15, air compressor machine 2 starts to be filled with gases at high pressure in intercepting basin 6, under gas pressure, water sample in intercepting basin 6 is squeezed into sampling jar 1.
Further, sampler also comprises protective sleeve 7; Sampling body 8 and intercepting basin 6 are rolled into one by protective sleeve 7; The material of protective sleeve 7 is crosslinked bridge formation polyethylene foam material.Sampling body 8 and intercepting basin 6 outside be attached thereto are wrapped up by crosslinked bridge formation polyethylene foam material; this material has some strength; deformability is good; after sampling body 8 and intercepting basin 6 put into boring, protective sleeve 7 can compatible deformation and hole wall be fitted; prevent soil from extruding sampling body 8 and block the permeability hole sampling body 8, ensure that sampling is carried out for a long time smoothly.
A kind of leakage pollution detection system provided by the invention comprises multiple sampler; Sampling body 8 in multiple sampler and intercepting basin 6 are fixed on multiple sampling spots 18 of contaminated site setting; Multiple sampling spot 18 is positioned at the different degree of depth.Multiple above-mentioned sampler is arranged on the different depth of same inclined drill 16, corresponding multiple data acquisition units 13 achieve the water sampling of contaminated site diverse location, realize multiple spot Real-Time Monitoring, by the water sample Analysis on monitoring data of same time diverse location, the change of water quality parameter in the soil liquid between vertical height and two horizontal directions is gone out by angle of inclination and sampling body 8 distance computation, after statistical study, just the three-dimensional pollution situation of soil and underground water in sample region can be understood, determine the range of scatter of pollution source and pollute migratory direction, be convenient to take measures in time, effective preventing pollution source is to the further pollution of Soil Surrounding or underground water.
Further, multiple sampling spot 18 is arranged on the different depth of same boring 16, and boring 16 is drilled to set angle of inclination by boring bar tool, and as a kind of preferred embodiment, the angle of inclination of boring 16 is 45 °; Sampling body 8 and intercepting basin 6 wrap up and moulding integral by protective sleeve 7; Wherein, when the sampling body 8 in multiple sampler and intercepting basin 6 are placed on corresponding sample point 18, the outer wall of multiple protective sleeve 7 is close to the soil of the contaminated site of surrounding respectively.
Further, see accompanying drawing 2, this detection system comprises 5 samplers; Sampling body 8 in 5 samplers and intercepting basin 6 are fixed on 5 sampling spots 18 of contaminated site; It is in the same boring 16 of 45 ° that sampling body 8 in 5 samplers and intercepting basin 6 are fixed on angle of inclination; Horizontal spacing between 5 adjacent 2 of sampling spots 18 is identical; Longitudinal pitch between 5 adjacent 2 of sampling spots 18 is identical; Vertical direction spacing between 5 adjacent 2 of sampling spots 18 is identical.
Further, 5 samplers share same vacuum pump 3 and air compressor machine 2; The output terminal of vacuum pump 3 arranges 5 the first air valves respectively by 5 arm connected set liquid baths, 6,5 arms, and 5 the first air valves control enforcement or the stopping of the vacuum of corresponding intercepting basin 6 respectively; The output terminal of air compressor machine 2 is by 5 arm connected set liquid baths, 5 arms are arranged respectively 5 the second air valves, 5 the second air valves control enforcement or the stopping of the pressure process of corresponding intercepting basin 6 respectively, by shared vacuum pump 3 and air compressor machine 2 on the function basis meeting Real-Time Monitoring, the structure of detection system can be optimized, reduction equipment cost.
Contaminated site sampler provided by the invention is by arranging sampling body 8, intercepting basin 6, vacuumizing part, the structure of pressure-producing part and sampling jar 1, after sampling body 8 is placed on the desired location of contaminated site, water sample in contaminated site penetrates into sampling body 8, gas in intercepting basin 6 is extracted out and is formed negative pressure by vacuumizing part, the water sample in sampling body 8 is made to be inhaled into intercepting basin 6 by woven hose 9, after the water sample height in intercepting basin 6 reaches setting value, vacuumizing part quits work, gases at high pressure are filled with intercepting basin 6 by pressure-producing part, water sample in intercepting basin 6 is squeezed in sampling jar 1 under gas pressure, complete sampling work like this, wherein, the sampling body 8 be made up of porous ceramics can stop pollutant to the blocking of sampling body 8 while ensureing water sample infiltration, ensures the lasting sampling to contaminated soil 7.By protective sleeve 7 sampling body 8 and intercepting basin 6 to be wrapped up and moulding integral; crosslinked bridge formation polyethylene foam material selected by protective sleeve 7, and have some strength, deformability is good; compatible deformation and hole wall can fit after boring 16 put into by protective sleeve 7, ensure that sampling is carried out for a long time smoothly.By arranging PH electrode 10, ammonia nitrogen electrode 11, heavy metal electrode 12 and data acquisition unit 13 in intercepting basin 6, three electrodes can detect pH, heavy metal concentration and ammonia-nitrogen content in the soil liquid respectively, and the conversion of data and reality is realized by data acquisition unit 13, grasp the pollution situation of different depth below contaminated site, be convenient to Real-Time Monitoring.
Further, leakage pollution detection system provided by the invention is by being arranged on the different depth of same inclined drill 16 by multiple above-mentioned sampler, corresponding multiple data acquisition units 13 achieve the water sampling of contaminated site diverse location, realize multiple spot Real-Time Monitoring, by the water sample Analysis on monitoring data of same time diverse location, the change of water quality parameter in the soil liquid between vertical height and two horizontal directions is gone out by angle of inclination and sampling body 8 distance computation, after statistical study, just the three-dimensional pollution situation of soil and underground water in sample region can be understood, determine the range of scatter of pollution source and pollute migratory direction, be convenient to take measures in time, effective preventing pollution source is to the further pollution of Soil Surrounding or underground water.
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 (10)
1. a contaminated site sampler, is characterized in that, described sampler comprises: sampling body, intercepting basin, vacuumizing part, pressure-producing part and sampling jar; Described sampling body is porous ceramic structure; Described intercepting basin is the cavity body structure of enclose inside, is arranged on the top of described sampling body and is communicated with described sampling body by woven hose; Described vacuumizing part is communicated with described intercepting basin by pipeline; Described pressure-producing part is communicated with described intercepting basin by pipeline; Described sampling jar is communicated with described intercepting basin by stopple coupon.
2. sampler as claimed in claim 1, is characterized in that,
Described vacuumizing part is vacuum pump, and described vacuum delivery side of pump is communicated with the first tracheae, and described first tracheae arranges the first valve;
Described pressure-producing part is air compressor machine, and the output terminal of described air compressor machine is communicated with the second tracheae, and described second tracheae arranges the second valve;
Described first tracheae is communicated with wireway by three-way pipe with the second tracheae, and described wireway is communicated with described intercepting basin, and the mouth of pipe of described wireway end is positioned at the top of described intercepting basin;
Described stopple coupon is arranged the 3rd valve; The mouth of pipe of described stopple coupon end is positioned at the bottom of described intercepting basin;
Wherein, described first valve open and described second valve and the 3rd valve closing time, described vacuum pump work makes in negative pressure state in described intercepting basin, and the contaminated soil water sample infiltrated in described sampling body is inhaled into described intercepting basin by described woven hose; When after the mouth of pipe higher than described stopple coupon of the liquid level of water sample described in described intercepting basin, close described first valve and open described second valve and the 3rd valve, it is inner that gases at high pressure are filled with described intercepting basin by described air compressor machine work, and described water sample is clamp-oned in described sampling jar by described stopple coupon by described gases at high pressure.
3. sampler as claimed in claim 1, is characterized in that,
Described sampler also comprises: PH electrode, ammonia nitrogen electrode, heavy metal electrode and data acquisition unit;
Described PH electrode is fixed on the inner bottom of described intercepting basin, is communicated with described data acquisition unit by signal transmssion line;
Described ammonia nitrogen electrode is fixed on the inner bottom of described intercepting basin, is communicated with described data acquisition unit by signal transmssion line;
Described heavy metal electrode is fixed on the inner bottom of described intercepting basin, is communicated with described data acquisition unit by signal transmssion line;
Wherein said PH electrode, ammonia nitrogen electrode and heavy metal electrode position are in same level, and when after PH electrode, ammonia nitrogen electrode and heavy metal electrode described in described water sample submergence, the pH value information of described water sample is sent to described data acquisition unit by described PH electrode; The ammonia-nitrogen content information of described water sample is sent to described data acquisition unit by described ammonia nitrogen electrode; The heavy metal concentration information of described water sample is sent to described data acquisition unit by described heavy metal electrode.
4. sampler as claimed in claim 3, is characterized in that,
Described sampler also comprises liquid level gauge;
Described liquid level gauge is arranged in described intercepting basin; Described liquid level gauge is communicated with described data acquisition unit by logical circuit.
5. sampler as claimed in claim 1, is characterized in that,
Described sampler also comprises protective sleeve; Described sampling body and intercepting basin are rolled into one by described protective sleeve; The material of described protective sleeve is crosslinked bridge formation polyethylene foam material.
6. a leakage pollution detection system, is characterized in that, described detection system comprises the sampler described in multiple Claims 1 to 5 Arbitrary Term; Sampling body in described multiple sampler and intercepting basin are fixed on multiple sampling spots of contaminated site setting; Described multiple sampling spot is positioned at the different degree of depth.
7. detection system as claimed in claim 6, is characterized in that,
Described multiple sampling spot is arranged on the different depth of same boring, and described boring is drilled to set angle of inclination by boring bar tool;
Described protective sleeve by described sampling body and intercepting basin parcel and moulding integral;
Wherein, when the described sampling body in described multiple sampler and intercepting basin are placed on corresponding described sampling spot, the outer wall of multiple described protective sleeve is close to the soil of the described contaminated site of surrounding respectively.
8. detection system as claimed in claim 6, is characterized in that,
Described detection system comprises 5 described samplers; Sampling body in described 5 samplers and intercepting basin are fixed on 5 sampling spots of described contaminated site.
9. detection system as claimed in claim 8, is characterized in that,
It is in the same boring of 45 ° that sampling body in described 5 samplers and intercepting basin are fixed on angle of inclination;
Horizontal spacing between adjacent 2 of described 5 sampling spots is identical;
Longitudinal pitch between adjacent 2 of described 5 sampling spots is identical;
Vertical direction spacing between adjacent 2 of described 5 sampling spots is identical.
10. detection system as claimed in claim 9, is characterized in that,
Described 5 samplers share same vacuum pump and air compressor machine;
Described vacuum delivery side of pump is communicated with described intercepting basin by 5 arms, and described 5 arms arrange 5 the first air valves respectively;
The output terminal of described air compressor machine is communicated with described intercepting basin by 5 arms, and described 5 arms arrange 5 the second air valves respectively.
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