加拿大Solinst多水位地下水监测系统Waterloo 401

加拿大Solinst多水位地下水监测系统（401）Waterloo 401

产品名称：地下水监测系统
品牌：Solinst
产地：加拿大
型号：401



多水位地下水监测系统401允许在单个钻孔中从多个孤立区域进行地下水测量和采样。灵活的设计允许用户为每个监控项目定制一个系统。


为什么选择多水位地下水监测系统：提供对地下条件的更清晰理解
当监测单个钻孔中不同深度的一系列离散隔离层段时，可以捕获高质量的数据。Multilevels 以水平和垂直流动的形式提供的详细信息，以及污染物的离散区域采样，对于准确的现场评估是必要的。
 
改善现场评估和风险管理：
多层次提供高分辨率数据，用于输入更具代表性的“动态”概念场地模型。
地下水流路径上的多级横断面提供了用于质量通量计算的**数据。这已被证明是现场评估的重要工具，需要对受体的**污染物浓度/风险进行实际估计。


多级提供三维地下水数据。
通过使用来自一系列多级的详细 3-D 数据来优化主动修复的性能。随后，横断面可用于评估所选修复方案的成功，并确定任何需要改进的领域。
经济学是有道理的

经证实可降低钻井和钻井废料的成本。
当清除量减少时，现场人员的时间和处理成本很低。多级端口包含的离散间隔允许更小的吹扫体积、对液位变化的快速响应，是低流量采样技术的理想选择。

用长筛井克服偏差
长筛上的污染物混合掩盖了垂直变化，导致低估了羽流的全部范围并稀释了污染物的真实浓度。
井内的环境垂直流动有可能将污染物传输到非污染区域。

 

Waterloo地下水监测系统：

Waterloo系统用于从单个钻孔中的许多离散隔离区域获取地下水样本、水头测量值和渗透率测量值。

Waterloo系统的优势：

详细的流动深度和浓度
降低项目成本
减少吹扫和采样时间
更少的钻孔
减少现场干扰
多种监控选项
在离散污染区隔离采样
高分辨率场地表征

 

详细的数据：

当在现场使用多个滑铁卢系统时，它们可以以合理的成本获得详细的 3D 地下水信息。更少的钻孔是一个优势，并且可以减少监控时间。
模块化系统可以针对独特的项目要求进行定制。这允许使用适用于基岩、覆盖层或组合应用的选项将监测区域放置在所需的深度。
离散区域监测是获得用于现场解释和评估的准确数据的**方法。多级横断面提供了计算质量通量和保守评估受体风险所需的详细数据。

 

多端口安装：

覆盖层或基岩装置
- 允许在任何地质环境中监测多个区域
- 地下水或渗流带装置
永久Waterloo封隔器
- 专为基岩或套管孔设计
- 专为永久密封而设计
 

模块化密封接头：

滑铁卢系统的滑套式接头设计使用尼龙剪线和双 O 形密封圈。这提供了可靠的防漏接头，因此滑铁卢套管柱的核心与外部地层水隔离。地下水只能通过端口杆和附加的监测设备进入。这种防水密封还可防止套管内的封隔器充气水与套管外的地层水接触。

带剪切线的 O 形圈接头


定制井口管汇：
歧管在地面完成系统。它组织、识别和协调来自每个监控区域的管道和/或电缆。

歧管允许依次连接到每个专用传感器，以及用于操作泵的简单、一步连接。选择专用泵时，独特的井口允许单独吹扫单个区域，或同时吹扫许多区域以降低现场时间。


中文内容来自机器翻译，内容仅供参考，实际内容可参考原厂介绍或以合同为准。
英文原文：


Why Multilevels: Provide a Clearer Understanding of Subsurface Conditions


Superior quality of data is captured when monitoring a series of discrete isolated intervals at various depths in a single borehole. The detailed information provided by Multilevels in the form of horizontal and vertical flow, in conjunction with discrete zone sampling for contaminants, is necessary for accurate site assessments.



Improve Site Assessments and Risk Management：
Multilevels provide high resolution data for input into more representative 'dynamic' conceptual site models.
Transects of Multilevels across a groundwater flow path provide the best data to use for Mass Flux calculations. This has proven to be an important tool for site assessments that require realistic estimates of maximum contaminant concentration/risk to receptors.
Optimize performance of active remediation by using detailed 3-D data from a series of Multilevels. Subsequently, transects can be used to evaluate the success of the chosen remediation option and identify any areas requiring improvements.

The Economics Make Sense：
Proven cost reductions for drilling and drilling waste.
Field personnel time and disposal costs are low, when purge volumes are reduced. The discrete interval that a Multilevel port encompasses allows for smaller purge volumes, rapid responses to level changes and is ideal for low flow sampling techniques.

Overcome Biases with Long Screened Wells：
Contaminant mixing over long screens masks vertical variations resulting in underestimating the full extent of plumes and diluting the true concentration of contaminants.
Ambient vertical flow within the well has potential to transmit contaminants to non-contaminated zones.

Waterloo Multilevel Groundwater Monitoring System：
The Waterloo System is used to obtain groundwater samples, hydraulic head measurements and permeability measurements from many discretely isolated zones in a single borehole.

 

Advantages of the Waterloo System：
Detailed depth of flow and concentrations
Reduced project costs
Purging and sampling times reduced
Fewer drilled holes
Reduced site disturbance
Variety of monitoring options
Isolate sampling at discrete contaminant zones
High-resolution site characterization


 
Detailed 3-D Data：
When a number of Waterloo Systems are used at a site, they allow detailed three-dimensional groundwater information to be obtained at a reasonable cost. Fewer drilled holes are an advantage and monitoring times are reduced.

The modular system can be customized for unique project requirements. This allows monitoring zones to be placed at desired depths using options suitable for either bedrock, overburden or combination applications.

Discrete zone monitoring is the only means of obtaining accurate data for site interpretation and assessments. Transects of Multilevels provide the detailed data necessary to calculate mass flux and conservatively assess risk to receptors.

 

Multi-Port Installations：

Overburden or Bedrock Installations
- Allow monitoring of multiple zones in any geologic setting
- Groundwater or vadose zone installations
Permanent Waterloo Packers
- Designed for bedrock or cased holes
- Engineered for permanent seals


Modular Sealing Joints：
The slip-on joint design of the Waterloo System uses a nylon shear wire and a double o-ring seal. This gives reliable, leakproof joints so that the core of the Waterloo casing string is isolated from external formation waters. Groundwater is only accessible via the port stems and attached monitoring equipment. This water-tight seal also prevents contact between packer inflation water inside the casing and the formation water outside the casing.


Customized Wellhead Manifolds：
The manifold completes the system at surface. It organizes, identifies, and coordinates the tubes and/or cables from each monitoring zone.

The manifold allows connection to each dedicated transducer in turn, and a simple, one-step connection for operation of pumps. When dedicated pumps are selected, a unique wellhead allows individual zones to be purged separately, or purging of many zones simultaneously to reduce field times.

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