CN102494730A - Auxiliary device for observing water level by tailing pond saturation line and construction method - Google Patents

Auxiliary device for observing water level by tailing pond saturation line and construction method Download PDF

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Publication number
CN102494730A
CN102494730A CN2011104290936A CN201110429093A CN102494730A CN 102494730 A CN102494730 A CN 102494730A CN 2011104290936 A CN2011104290936 A CN 2011104290936A CN 201110429093 A CN201110429093 A CN 201110429093A CN 102494730 A CN102494730 A CN 102494730A
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pipe
pvc pipe
pipe section
section
pvc
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CN2011104290936A
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Chinese (zh)
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杨春
张志千
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Angang Group Mining Co Ltd
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Angang Group Mining Co Ltd
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Priority to CN2011104290936A priority Critical patent/CN102494730A/en
Publication of CN102494730A publication Critical patent/CN102494730A/en
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Abstract

The invention relates to an auxiliary device for observing the water level by a tailing pond saturation line and a construction method. The auxiliary device is characterized by comprising a PVC (Polyvinyl Chloride) pipe section at the upper part, a water filter pipe section connected with the PVC pipe section through a nut, and a metal steel ingot arranged at the lower part of the water filter pipe section, wherein a stainless steel protection pipe is arranged at the outer side of a ground exposing part of the PVC pipe section; a dustproof cover is arranged at the end part of the stainless steel protection pipe; the water filter pipe section is composed of a PVC pipe of which two ends are provided with outer threads and the middle part is uniformly provided with permeable holes, geotextile which is cladded on the outer side of the PVC pipe, and a galvanized steel wire gauze which is cladded on the outer side of the geotextile. The auxiliary device provided by the invention has the beneficial effects that: an observation device is arranged on a tailing pond dam body; because the observation mode of the observation device belongs to manual observation, the operation is simple and the numerical error of observed water level is small, the change of the water level of the saturation line inside the dam body can be timely observed at the fixed period so as to check, verify, design, better apply and manage the tailing pond.

Description

Mine tailing storehouse saturation water-level observation servicing unit and construction method
Technical field
The present invention relates to the observation technology field of mine tailing dam body water level inside, particularly a kind of mine tailing storehouse saturation water-level observation servicing unit and construction method.
Background technology
The mine tailing storehouse is the important component part in the production facility of ore dressing plant, and can the mine tailing storehouse safe and stable operation, produces the most important effect that plays to selecting factory, and it is again a major hazard source simultaneously.Because mill tailings storehouse, length of bow mountain range is to be built up by CHARACTERISTICS OF TAILINGS SAND, store up in its dam body at a large amount of mine tailings and water, form artificial " mine tailing lake ".This mine tailing storage capacity constantly increases along with dam body and increases gradually, in case dam body bursts and can cause CHARACTERISTICS OF TAILINGS SAND, mud, water to be gushed out with the form of rubble flow, downstream resident's lives and properties is threatened.
When build a dam in construction mine tailing storehouse, not only strengthen the dam structure fastness and more will improve dam body internal drainage technology.Therefore daily servicing observation dam seepage line water level is particularly important.(water in the mine tailing storehouse constantly permeates formation seepage flow along the intergranular hole of mine tailing to the dam body downstream direction.The piezometric line of steady seepage is called saturation.)
Observe a part of action with the naked eye carry out about the mine tailing storehouse.As observe that dam slope has or not obvious distortion, the hole of collapsing, bogginess, infiltration, crack and ant cave rat hole etc.For important mine tailing storehouse, carry out meticulousr observation, then must accomplish by instrument and equipment.
Therefore the main research contents of this patent is that observation device is installed in boring on dam body, saturation height of water level in the periodic observation dam body.
Summary of the invention
The purpose of this invention is to provide a kind of mine tailing storehouse saturation water-level observation servicing unit, for measuring saturation position and situation of change in tailing dam initial stage and the later stage key dam dam body, with the seepage flow situation of accurate observation dam body during using.
Another object of the present invention provides the construction method of a kind of mine tailing storehouse saturation water-level observation servicing unit.
The objective of the invention is to realize through following technical proposals:
Mine tailing of the present invention storehouse saturation water-level observation servicing unit; It is characterized in that pvc pipe section by top; Through the nut drainage pipeline section that connects of pvc pipe section therewith; The metal steel ingot that is arranged on described filter pipe pars infrasegmentalis is formed with the protective casing that is arranged on the filter pipe outside, is provided with the stainless steel protection pipe in the described pvc pipe section exposed ground part outside, is provided with dust cap at described stainless steel protection tube end;
Described drainage pipeline section has external thread, the middle pvc pipe that evenly has permeable hole by two ends, is wrapped in the geotextile in this pvc pipe outside, and the galvanized steel wire netting that is wrapped in this geotextile outside is formed.
The height that described stainless steel pipeline section bassets is 0.8-1.2m.
Described pvc pipe is that the pipe fitting of 2.5--3.5m connects to form by each segment length, connects by connecting pipe collar between each section pvc pipe.
The construction method of mine tailing of the present invention storehouse saturation water-level observation servicing unit is characterized in that comprising the following steps:
A, employing gear wheel boring apparatus according to the saturation water level depth, drill through wellhole on the sub-dam body of upper level, it drills through the pipe degree of depth is 15m--25m;
B, to bury metallic steel underground at the bottommost of wellhole fixed;
C, with the drainage pipeline section of making through nut with after the metal steel ingot is fixedly connected, suit one protection tube is filled fine sand then between drainage pipeline section and protective casing in the outside of drainage pipeline section, and between protection tube outer wall and wellhole hole wall filling fritter rubble;
D, the pvc pipe section on top is fixedly connected with bottom drainage pipeline section through nut, and between the pvc pipe section on top and wellhole hole wall filling bulk rubble to ground;
E, one stainless steel protection pipe is installed, and is fixedly connected with metalling with the concrete cover steel protection tube that will become rusty in the pvc pipe section exposed ground on the top part outside;
F, on the stainless steel protection pipe, dust cap is installed at last.
The thickness of concrete cover of the present invention is 0.8--1.2m.
When being lowered to the observation port that completes in the wellhole; Because the observation port lower end is the position near dam seepage line; And a large amount of silts are contained in the bottom, decide because the present invention buries metallic steel underground at the bottommost of wellhole, have prevented that effectively a large amount of mud from pouring in the obstruction observation device.When observation device is buried underground, for strengthening the fastness of observation device, between this device outer wall and wellhole, all filled large and small rubble, and set up dust cap topmost, prevent that rainwater and foreign material from getting into the obstruction observation port.
Principle of work of the present invention is: during artificial observation; Can open the dust cap of hole wall pipe earlier through adopting the electrical measurement limnimeter, then the side head slowly put into the hole wall pipe; After the motor of side head touches the water surface; Bulb is luminous immediately on the indicator, reads scale numerical value according to the tape measure that ties up to a side other end, can read water level value.
The invention has the beneficial effects as follows: on the dam body of mine tailing storehouse, observation port is installed; Because the observed pattern of this observation device belongs to artificial observation; And it is simple to operate; The observed stage numerical error is little, can regularly in time observe the SEA LEVEL VARIATION of dam body inside saturation, is convenient to check and checking design and better utilization and management mine tailing storehouse.
Description of drawings
Fig. 1 is the structural representation of mine tailing of the present invention storehouse saturation water-level observation servicing unit.
Fig. 2 is the A portion enlarged drawing of Fig. 1 of the present invention lower end filter pipe.
Fig. 3 is the structural representation of the pvc pipe of lower end of the present invention filter pipe internal layer permeable hole.
Fig. 4 is the structural representation after the construction of mine tailing of the present invention storehouse saturation water-level observation servicing unit.
Embodiment
Below in conjunction with description of drawings embodiment of the present invention.
Like Fig. 1, Fig. 2, shown in Figure 3; Mine tailing of the present invention storehouse saturation water-level observation servicing unit; It is characterized in that pvc pipe section 3,, be arranged on the metal steel ingot 6 and 8 compositions of protective casing that are arranged on the filter pipe outside of described drainage pipeline section 5 bottoms through the nut 4 drainage pipeline section 5 that connects of pvc pipe section 3 therewith by top; Be provided with stainless steel protection pipe 2 in the described pvc pipe section 3 exposed grounds part outside, be provided with dust cap 1 in described stainless steel protection pipe 2 ends.2 sections height that basset of described stainless-steel tube are 0.8-1.2m.
Because the degree of depth of whole wellhole has 15m--25m, therefore described pvc pipe 3 is that the pipe fitting of 2.5--3.5m connects to form by each segment length, connects by connecting pipe collar between each section pvc pipe.
Drainage pipeline section 5 of the present invention has external thread, the middle pvc pipe that evenly has permeable hole 14 by two ends, is wrapped in the geotextile 13 in this pvc pipe outside, is wrapped in 12 compositions of galvanized steel wire netting in these geotextile 13 outsides.
Because drainage pipeline section 5 of the present invention has adopted three kinds of permeable, that strainability is extremely strong materials, therefore, help accurately reflecting the water level of the inner saturation of dam body.
As shown in Figure 4, the construction method of mine tailing of the present invention storehouse saturation water-level observation servicing unit is characterized in that comprising the following steps:
A, employing gear wheel boring apparatus according to the saturation water level depth, drill through wellhole on the sub-dam body of upper level, it drills through the pipe degree of depth is 15m--25m;
B, bury metallic steel fixed 6 underground at the bottommost of wellhole; When being lowered to the observation device that completes in the wellhole; Because the observation device lower end is the position near dam seepage line; And a large amount of silts are contained in the bottom; Need adopt the sealing of metal steel ingot in that the mouth of pipe is terminal, thus the present invention to bury metallic steel underground at the bottommost of wellhole fixed, prevented that effectively a large amount of mud from pouring in the obstruction observation device;
C, with the drainage pipeline section of making 5 through nut 4 and after metal steel ingot 6 is fixedly connected; Suit one protective casing 8 in the outside of drainage pipeline section 5; Between drainage pipeline section 5 and protective casing 8, fill fine sand 9 then, and between protection tube 9 outer walls and wellhole hole wall, fill fritter rubble 11; This structure has strengthened the fastness of this device effectively;
D, the pvc pipe section on top 3 is fixedly connected with bottom drainage pipeline section 5 through nut 4, and between the pvc pipe section 3 on top and wellhole hole wall filling bulk rubble 10 to ground;
E, the present invention install a stainless steel protection pipe 2 in the pvc pipe section 3 exposed grounds part outside on top, and are fixedly connected with the metalling 10 of below with the concrete cover 7 steel protection tube 2 that will become rusty; The thickness of concrete cover of the present invention is 0.8--1.2m.Its concrete cover can not only be protected the exposed ground steel protection tube 2 that partly becomes rusty, and also prevents the moving rolling of whole device simultaneously, has improved serviceable life;
F, at last dust cap 1 is installed on the stainless steel protection pipe.Its dust cap 1 has prevented that effectively rainwater and foreign material from getting into the obstruction observation device.
When carrying out artificial observation,, open dust cap earlier through adopting the electrical measurement limnimeter; Then gauge head is slowly put into observation port, after the motor of gauge head touched the water surface, bulb was luminous immediately on the indicator; Read scale numerical value according to the tape measure that ties up to the gauge head other end, can read water level value
Observation time was divided into 1--12 days.Rainy season, observation time was divided into 1--5 days, and observation time was divided into 1 day during the rain flood.
Embodiment
A) certain mill tailings storehouse uses observation device length to be two kinds of 15m and 20m.(this patent synoptic diagram is an example with 20m observation port pipe)
B) adopt gear wheel jewel hole equipment, on dam body, drilling through diameter is the 250mm wellhole, and its degree of depth is 20m;
C) to expose the height of face be 1m to observation device; Thickness of concrete cover is 1000mm, and it is the 100mmPVC pipe that the middle pipeline section of observation port is selected diameter for use, and wherein every section pvc pipe length is 3m, leans on pipe collar to connect between the tube and tube;
D) observation device that completes is lowered in the wellhole, because the sighting tube lower end is the position near dam seepage line, and the bottom contains a large amount of silts, need adopt the sealing of metal steel ingot in that the mouth of pipe is terminal, pour in the obstruction observation device to prevent a large amount of mud.When observation device is buried underground, for strengthening observation pore fastness, select for use fine sand to pile up near one deck of tubing, the fine sand layer uses rubble to pile up outward, can increase firm intensity.

Claims (5)

1. mine tailing storehouse saturation water-level observation servicing unit; It is characterized in that pvc pipe section by top; Through the nut drainage pipeline section that connects of pvc pipe section therewith, the metal steel ingot that is arranged on described filter pipe pars infrasegmentalis is formed with the protection tube that is arranged on the filter pipe outside, is provided with the stainless steel protection sleeve pipe at described pvc pipe section exposed ground outside partly; Be provided with dust cap at described stainless steel protection tube end; Described drainage pipeline section has external thread, the middle pvc pipe that evenly has permeable hole by two ends, is wrapped in the geotextile in this pvc pipe outside, and the galvanized steel wire netting that is wrapped in this geotextile outside is formed.
2. saturation water-level observation servicing unit in mine tailing according to claim 1 storehouse is characterized in that the height that described stainless steel pipeline section bassets is 0.8-1.2m.
3. saturation water-level observation servicing unit in mine tailing according to claim 1 storehouse is characterized in that described pvc pipe is that the pipe fitting of 2.5--3.5m connects to form by each segment length, connects by connecting pipe collar between each section pvc pipe.
4. the construction method of any one mine tailing storehouse saturation water-level observation servicing unit of claim 1-3 is characterized in that comprising the following steps:
A, employing gear wheel boring apparatus according to the saturation water level depth, drill through wellhole on the sub-dam body of upper level, it drills through the pipe degree of depth is 15m--25m;
B, to bury metallic steel underground at the bottommost of wellhole fixed;
C, with the drainage pipeline section of making through nut with after the metal steel ingot is fixedly connected, suit one protection tube is filled fine sand then between drainage pipeline section and protective casing in the outside of drainage pipeline section, and between protection tube outer wall and wellhole hole wall filling fritter rubble;
D, the pvc pipe section on top is fixedly connected with the bottom filter pipe through nut, and between the pvc pipe section on top and wellhole hole wall filling bulk rubble to ground;
E, one stainless steel protection pipe is installed, and is fixedly connected with metalling with the concrete cover steel protection tube that will become rusty in the pvc pipe section exposed ground on the top part outside;
F, on the stainless steel protection pipe, dust cap is installed at last.
5. mine tailing according to claim 4 storehouse saturation water-level observation device, the thickness that it is characterized in that described concrete cover is 0.8--1.2m.
CN2011104290936A 2011-12-20 2011-12-20 Auxiliary device for observing water level by tailing pond saturation line and construction method Pending CN102494730A (en)

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CN2011104290936A CN102494730A (en) 2011-12-20 2011-12-20 Auxiliary device for observing water level by tailing pond saturation line and construction method

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Application Number Priority Date Filing Date Title
CN2011104290936A CN102494730A (en) 2011-12-20 2011-12-20 Auxiliary device for observing water level by tailing pond saturation line and construction method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106643967A (en) * 2017-02-21 2017-05-10 广西蓝天科技股份有限公司 Protecting hole for monitoring underground water level, hole sealing device and combination method thereof
CN113899425A (en) * 2021-12-09 2022-01-07 矿冶科技集团有限公司 Online monitoring device and method for saturation line of tailing pond by centerline method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11295435A (en) * 1998-04-15 1999-10-29 Fujita Corp Measure of concentration of radon in underground water and measurement system
JP2001324369A (en) * 2000-05-12 2001-11-22 Taisei Corp Piezo water head measurement method
CN2643293Y (en) * 2003-10-15 2004-09-22 江苏省水利科学研究所 Simple ground water level observer
CN201229194Y (en) * 2008-06-19 2009-04-29 北京矿咨信矿业技术研究有限公司 Automatic monitoring system for seepage line of tailing dam
CN201297950Y (en) * 2008-10-21 2009-08-26 中国科学院寒区旱区环境与工程研究所 A tension meter type shallow groundwater level dynamic device
CN201397182Y (en) * 2009-04-17 2010-02-03 中冶天工上海十三冶建设有限公司 Underground water level monitoring buoy
CN202403758U (en) * 2011-12-20 2012-08-29 鞍钢集团矿业公司 Auxiliary device for observing water level of seepage line in tailings pond

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11295435A (en) * 1998-04-15 1999-10-29 Fujita Corp Measure of concentration of radon in underground water and measurement system
JP2001324369A (en) * 2000-05-12 2001-11-22 Taisei Corp Piezo water head measurement method
CN2643293Y (en) * 2003-10-15 2004-09-22 江苏省水利科学研究所 Simple ground water level observer
CN201229194Y (en) * 2008-06-19 2009-04-29 北京矿咨信矿业技术研究有限公司 Automatic monitoring system for seepage line of tailing dam
CN201297950Y (en) * 2008-10-21 2009-08-26 中国科学院寒区旱区环境与工程研究所 A tension meter type shallow groundwater level dynamic device
CN201397182Y (en) * 2009-04-17 2010-02-03 中冶天工上海十三冶建设有限公司 Underground water level monitoring buoy
CN202403758U (en) * 2011-12-20 2012-08-29 鞍钢集团矿业公司 Auxiliary device for observing water level of seepage line in tailings pond

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106643967A (en) * 2017-02-21 2017-05-10 广西蓝天科技股份有限公司 Protecting hole for monitoring underground water level, hole sealing device and combination method thereof
CN113899425A (en) * 2021-12-09 2022-01-07 矿冶科技集团有限公司 Online monitoring device and method for saturation line of tailing pond by centerline method

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Application publication date: 20120613