阅读说明：本技术 一种用于尾矿坝浸润线的监测管结构及其分布 (Monitoring tube structure for tailing dam infiltration line and distribution thereof ) 是由 郝喆 吴超君 曹明杰 邓焱 于 2019-10-16 设计创作，主要内容包括：本发明涉及一种用于尾矿坝浸润线的监测管结构及其分布,监测管下半部设有滤水段,滤水段直至监测管底部,监测管外圆周包覆有粗砂回填料,监测管外圆周包覆有无纺布,无纺布保护范围与滤水段范围对应,监测管内部设有光纤渗压传感器,传感器通过光缆传输信号,可以适应尾矿库浸润线检测的需要,保证结构稳固,检测方便,降低造价。(The invention relates to a monitoring tube structure for a tailing dam infiltration line and distribution thereof, wherein the lower half part of the monitoring tube is provided with a water filtering section, the water filtering section reaches the bottom of the monitoring tube, the outer circumference of the monitoring tube is coated with coarse sand backfill, the outer circumference of the monitoring tube is coated with non-woven fabric, the protection range of the non-woven fabric corresponds to the range of the water filtering section, an optical fiber osmotic pressure sensor is arranged in the monitoring tube, and the sensor transmits signals through an optical cable, so that the requirement of tailing pond infiltration line detection can be met, the structure is ensured to be stable, the.)

1. The utility model provides a monitor tube structure for tailing dam infiltration line which characterized in that: the monitoring tube lower half is equipped with the drainage section, and drainage section is up to monitoring socle portion, and monitoring pipe circumference cladding has coarse sand backfill, and monitoring pipe circumference cladding has the non-woven fabrics, and the non-woven fabrics protective range corresponds with drainage section scope, and the inside optic fibre osmotic pressure sensor that is equipped with of monitoring pipe, sensor pass through optical cable transmission signal.

2. The distribution of monitoring tubes for a saturation line of a tailings dam of claim 1, wherein: the monitoring pipes are respectively positioned on a main shaft of the dam body and dam sections on two sides, the sections where the monitoring pipes are positioned are monitoring sections, the monitoring sections are perpendicular to the trend of the tailing stacking dam, the distance between the sections of the monitoring pipes on the two sides and the sections of the main shaft monitoring pipes is 60m, and the number of the monitoring pipes on each section is more than or equal to 3.

3. The monitoring tube structure for the saturation line of a tailings dam of claim 1, wherein: the water filtering section is as follows: the wall of the monitoring pipe is provided with eight water filtering orifices in a circle.

4. The monitoring tube structure for the saturation line of a tailings dam of claim 1, wherein: the PVC pipe with the diameter of 75mm is embedded with the depth of 10-15 m.

5. The monitoring tube structure for the saturation line of a tailings dam of claim 1, wherein: the optical cable is an armored optical cable with the diameter of 3mm, and a pvc pipe with the diameter of 20mm is sleeved on the outer circumference of the armored optical cable and is buried in soil shallowly.

Technical Field

The invention relates to a monitoring structure for a tailing dam infiltration line and distribution thereof, belonging to the technical field of tailing pond safety and environment monitoring.

Background

The tailing pond is used as a major hazard source of mines, major safety and pollution events occur for many times in recent years, the life and property safety of people is seriously threatened, and severe social influence and environmental influence are caused. Therefore, the safety monitoring level of the tailing pond is improved, and the safe operation of the tailing pond is ensured to have important strategic significance.

Disclosure of Invention

The invention aims to provide a monitoring tube structure for a tailing dam infiltration line and distribution thereof, which can meet the requirement of tailing pond infiltration line monitoring, ensure stable structure, facilitate detection and reduce manufacturing cost.

In order to solve the above problems, the specific technical scheme of the invention is as follows: the utility model provides a monitoring tube structure for tailing dam infiltration line, the monitoring tube lower half is equipped with the drainage section, and drainage section is up to the monitoring socle portion, and the outside circumference cladding of monitoring tube has coarse sand backfill, and the outside circumference cladding of monitoring tube has the non-woven fabrics, and the non-woven fabrics protective range corresponds with drainage section scope, and the inside optic fibre osmotic pressure sensor that is equipped with of monitoring tube, sensor pass through optical cable transmission signal.

The monitoring pipes are respectively positioned on a main shaft of the dam body and dam sections on two sides, the sections where the monitoring pipes are positioned are monitoring sections, the monitoring sections are perpendicular to the trend of the tailing stacking dam, the distance between the sections of the monitoring pipes on the two sides and the sections of the main shaft monitoring pipes is 60m, and the number of the monitoring pipes on each section is more than or equal to 3.

The water filtering section is as follows: the wall of the monitoring pipe is provided with eight water filtering orifices in a circle.

The PVC pipe with the diameter of 75mm is embedded with the depth of 10-15 m.

The optical cable is an armored optical cable with the diameter of 3mm, and a pvc pipe with the diameter of 20mm is sleeved on the outer circumference of the armored optical cable and is buried in soil shallowly.

The invention has the following beneficial effects: the monitoring point of the saturation line is simple in structure and easy to construct, the monitoring section is located on the dam body main shaft and the dam section sections on the two sides of the dam body main shaft, the traditional method of determining the observation position by depending on experience is made up, the practicability is high, and the monitoring effect is good.

Drawings

FIG. 1 is a schematic view of a monitoring tube configuration.

Fig. 2 is a schematic structural diagram of a water filtering section.

Fig. 3 is a schematic view of monitoring tube.

Detailed Description

As shown in figures 1 to 3, the monitoring pipe 1 structure for the tailing dam infiltration line is characterized in that a water filtering section 3 is arranged at the lower half part of the monitoring pipe 1, the water filtering section 3 extends to the bottom of the monitoring pipe 1, and the monitoring pipeThe outer circumference cladding of 1 has coarse sand backfill 2, and the outer circumference cladding of monitoring pipe 1 has the non-woven fabrics, and the non-woven fabrics protection scope corresponds with 3 scopes of drainage section, and monitoring pipe 1 is inside to be equipped with optic fibre osmotic pressure sensor 9, and the sensor passes through optical cable 7 transmission signal. The geotextile 4 adopts non-woven geotextile 4, two layers are wrapped, and the mass per unit area is more than or equal to 500g/m²And is tightly wound by stainless steel wires.

The monitoring pipes 1 are respectively positioned on a main shaft and dam sections on two sides of a dam body, the section where the monitoring pipe 1 is positioned is a monitoring section, the monitoring section is perpendicular to the trend of the tailing stacking dam, the distance between the sections of the monitoring pipes 1 on two sides and the section of the main shaft monitoring pipe 1 is 60m, and the number of the monitoring pipes 1 on each section is more than or equal to 3.

The water filtering section 3 is as follows: the pipe wall of the monitoring pipe 1 is provided with a water filtering orifice 3-1, eight water filtering orifices 3-1 in a circle. The water filtering orifices 3-1 are arranged in the range of 2m from the bottom of the pipe, 8 water filtering holes are drilled at equal intervals in each circle, the hole diameter is 6mm, and the longitudinal distance between the holes is 50 mm.

The diameter of the monitoring tube 1 is 75mm, and the embedding depth of the pvc tube 6 is 10-15 m.

The optical cable is an armored optical cable 7 with the diameter of 3mm, and a pvc pipe 5 with the diameter of 20mm is sleeved on the outer circumference of the armored optical cable 7 and is buried in the soil in a shallow mode.