CN105930634A - Mine water disaster early warning method - Google Patents
Mine water disaster early warning method Download PDFInfo
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- CN105930634A CN105930634A CN201610210258.3A CN201610210258A CN105930634A CN 105930634 A CN105930634 A CN 105930634A CN 201610210258 A CN201610210258 A CN 201610210258A CN 105930634 A CN105930634 A CN 105930634A
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- G—PHYSICS
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Abstract
The invention discloses a mine water disaster early warning method. The method includes the following steps: performing early warning on a ground water disaster and an underground water disaster. The ground water disaster early warning includes surface water disaster early warning including: acquiring the rainfall of a mine area, and sending an early warning signal when the rainfall is greater than or equal to the maximum rainfall of the mine area in recent N1 years, wherein the N1 >=2. The underground water disaster early warning includes coal floor water disaster early warning including: acquiring the water pressure P1 of a floor water inrush point on the coal floor, and sending an early warning signal when the water pressure P1 is greater than an early warning parameter H. The method integrates at least two types of water disaster early warning manners, is simple in model, is easy to operate, and is high in reliability.
Description
Technical field
The present invention relates to the technical field that mine water disaster is administered, particularly relate to a kind of mine water disaster early warning
Method.
Background technology
Along with developing rapidly of national economy, coal demand is realizing industrialization, informationization, cities and towns
Change and in the process of agricultural modernization by sustainable growth, however the complicated coal mining geology condition of China and
Natural disaster can cause coal mining accident to take place frequently.And water damage is as one of big disaster in colliery five, in colliery
Build and in production process, pore water, crevice water, karst water, old empty water, earth's surface often occur
The various water body such as water is burst into down-hole, causes the generation of water bursting in mine accident.Set up mine water disaster monitoring
Early warning system is for grasping and inflow rate of mine water equal distribution feature, for colliery preventing and controlling and correct determining
Plan provides reliably basic data.
The mechanism that mine water disaster is formed is extremely complex, has nonlinear characteristic, has many-side, multiple
Influence factor is in addition to having level, and each factor is to the influence degree of gushing water and mutual combined influence journey
Degree has the dual aspect nature determining and obscuring.Many R&D institutions both domestic and external, all establish mine
The hardware platform of water damage monitoring system.But, for the forecast of early warning system, generally only with letter
Single threshold value is arranged, certain parameter of single monitoring, it is impossible to enough effectively judge water bursting in mine.Or
Use complex specialist system and artificial neural network system.
Therefore, it is necessary to a kind of mine water disaster method for early warning simple, reliable of design.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of ore deposit simple, reliable
Well water evil method for early warning.
Technical scheme provides a kind of mine water disaster method for early warning, comprises the following steps:
Ground water damage and underground flood damage are carried out early warning；
The water damage early warning of described ground includes surface water water damage early warning: obtain the rainfall in mine area,
When described rainfall is more than or equal to the nearly N in described mine area1During the maximum rainfall in year flood season,
Send early warning signal, N1≥2；
Described underground flood damage early warning includes seat earth water damage early warning: obtains seat earth upper plate and dashes forward
The hydraulic pressure P of water spot1, as described hydraulic pressure P1During more than early-warning parameters H, send early warning signal.
Further, the computing formula of described early-warning parameters H is as follows:
Wherein, H is early-warning parameters, Mpa/m；
K is safe discreet value coefficient；
P is the actual hydraulic pressure value of working seam pressure-bearing, Mpa；
M is the actual water proof thickness found out of working seam base plate, m.
Further, the computing formula of described early-warning parameters H is as follows:
Wherein, H is early-warning parameters, Mpa/m；
K is safe discreet value coefficient；
P is the actual hydraulic pressure value of working seam pressure-bearing, Mpa；
M is the actual water proof thickness found out of working seam base plate, m；
MKFor adopting the ore deposit pressure collapse dept to water barrier, m；
MYFor the original rising height of artesian water, m.
Further, the water damage early warning of described ground also includes inflow rate of mine water early warning: obtain the productive life
Between the inflow rate of mine water discharged, when described inflow rate of mine water is more than nearly N2The maximum retention of excessive fluid in flood season in year
During amount, send early warning information, N2≥2。
Further, described underground flood damage early warning also includes the water damage early warning of old dead zone: obtain boring
Hydraulic pressure P at sealing of hole2, as described hydraulic pressure P2During more than early-warning parameters A, send early warning signal, institute
State early-warning parameters A be discharge water after hydraulic pressure at sealing of hole.
Further, described underground flood damage early warning also includes goaf water damage early warning；
The water damage early warning of described goaf includes fire dam pressure early warning: obtain the hydraulic pressure P of fire dam3,
As described hydraulic pressure P3During more than early-warning parameters B, send early warning signal.
Further, water yield early warning before the water damage early warning of described goaf also includes wall: obtain water outlet
The flow of mouth, when described flow is more than early-warning parameters Q, sends early warning signal, and described early warning is joined
The computing formula of number Q is as follows:
Q=QGush/1.5；
Wherein, Q is average water yield；
QGushFor instantaneous water yield.
Further, described underground flood damage early warning also includes underground drainage system early warning；
Described underground drainage system early warning includes central water sump early warning: obtain the water level of central water sump,
When described water level is more than controlling water level, send early warning signal.
Further, described underground drainage system early warning also includes discharge pipe line early warning: obtain draining
The displacement of pipeline, when described displacement is more than maximum displacement, sends early warning signal.
After using technique scheme, have the advantages that
Due to the fact that and be integrated with at least two water damage alarm mode, model is simple and convenient to operate,
Reliability is high.
Accompanying drawing explanation
Fig. 1 is the flow chart of the most preferred embodiment of mine water disaster method for early warning in the present invention.
Detailed description of the invention
Further illustrate the detailed description of the invention of the present invention below in conjunction with the accompanying drawings.
Mine water disaster method for early warning, including: ground water damage and underground flood damage are carried out early warning；
The water damage early warning of described ground includes surface water water damage early warning and inflow rate of mine water early warning；
Described underground flood damage early warning includes seat earth water damage early warning, the water damage early warning of old dead zone, adopts
Dead zone water damage early warning and underground drainage system early warning；
Wherein, water yield early warning before water damage early warning in goaf includes again fire dam pressure early warning and wall；
Underground drainage system early warning includes again central water sump early warning and discharge pipe line early warning.
Each alarm mode concrete operations are as follows:
1, surface water water damage early warning: obtain mine area rainfall, when described rainfall more than or
Nearly N equal to described mine area1During the maximum rainfall in year flood season, send early warning signal, N1≥
2。
Specifically, make full use of the weather forecast of locality, obtain the rainfall in mine area.N1
Can determine according to local climate condition and rainfall rule.On the one hand, contain owing to the surface water can feed
Water layer, may have influence on underground flood damage；On the other hand, if the surface water directly turns on down-hole,
Directly it is circulated in the passage of down-hole, in fact it could happen that the danger that well head is flooded.Therefore, it is necessary to over the ground
Face water water damage carries out early warning.
2, seat earth water damage early warning: obtain the hydraulic pressure P of seat earth upper plate projective water point1, work as institute
State hydraulic pressure P1During more than early-warning parameters H, send early warning signal.
Owing to the water barrier between coal seam and water-bearing layer end face is when coal mining disturbance or structure affect, meeting
Destroyed and crushed.Therefore, seat earth can form Water Inrush point.Therefore, having must
Seat earth water damage is carried out early warning.
It is preferred that general colliery can use following simple formula, the calculating of described early-warning parameters H is public
Formula is as follows:
Wherein, H is early-warning parameters, Mpa/m；
K is safe discreet value coefficient, is obtained by experimental simulation analysis.Wherein need to consider
The sampling depth in colliery, the hydrology, geology, coal seam, mining condition, with this colliery with type with
Situation toward colliery carrys out comprehensive consideration；
P is the actual hydraulic pressure value of working seam pressure-bearing, Mpa；
M is the actual water proof thickness found out of working seam base plate, m.
Preferably, the computing formula of described early-warning parameters H is as follows:
Wherein, H is early-warning parameters, Mpa/m；
K is safe discreet value coefficient；
P is the actual hydraulic pressure value of working seam pressure-bearing, Mpa；
M is the actual water proof thickness found out of working seam base plate, m；
MKFor adopting the ore deposit pressure collapse dept to water barrier, m；
MYFor the original rising height of artesian water, m.
3, inflow rate of mine water early warning: obtain the inflow rate of mine water discharged during exploitation, when described ore deposit
Well yield is more than nearly N2During the maximum flooding quantity in year flood season, send early warning information, N2≥2。
Wherein, N2Can determine according to the water yield rule in each colliery.
4, old dead zone water damage early warning: obtain the hydraulic pressure P at the sealing of hole of boring2, as described hydraulic pressure P2
During more than early-warning parameters A, send early warning signal, described early-warning parameters A be discharge water after at sealing of hole
Hydraulic pressure.
Wherein, main employing leting speeper test prevents and treats, owing to the sealing quality of boring is bad,
Water damage may be caused.Generally Pressure gauge can be installed at the sealing of hole of boring, obtain the envelope of boring
Hydraulic pressure P at hole2.Early-warning parameters may be configured as: the force value of sealing of hole after discharging water.
5, fire dam pressure early warning: obtain the hydraulic pressure P of fire dam3, as described hydraulic pressure P3More than pre-
During alert parameter B, send early warning signal.
Specifically, " empty " that artificial excavation or natural geological movement produce below earth's surface is
Goaf, fire dam should be set up in usual goaf.The size of the bearing capacity of fire dam decides whether
There is water damage, at fire dam, Pressure gauge can be installed, obtain the hydraulic pressure P of envelope wall3。
6, water yield early warning before wall: obtain the flow of outlet, when described flow is more than early-warning parameters
During Q, sending early warning signal, the computing formula of described early-warning parameters Q is as follows:
Q=QGush/1.5；
Wherein, Q is average water yield；
QGushFor instantaneous water yield.
When to goaf water damage early warning, as long as before envelope wall pressure early warning and wall there being water yield early warning
One sends early warning signal, will report to the police.
7, central water sump early warning: obtain the water level (H of central water sumpThe water level of sump), as described water level (HThe water level of sump) more than controlling water level (HControlling water level) time, send early warning signal.
8, discharge pipe line early warning: obtain the displacement (P of discharge pipe lineDisplacement), when described displacement
(PDisplacement) more than maximum displacement (PMaximum displacement) time, send early warning signal.
When to underground drainage system early warning, as long as central water sump early warning and discharge pipe line early warning have it
One sends early warning signal, will report to the police.
The most multiple alarm mode, according to the practical situation of mine, only can select two kinds, or appoint
It is multiple that meaning combines.Each alarm mode can be carried out simultaneously, it is also possible to carries out according to sequencing.
See Fig. 1, for the flow chart of the most preferred embodiment of mine water disaster method for early warning in the present invention.
Step S101: surface water water damage early warning: obtain mine area according to local weather forecast
Rainfall, analyzes whether rainfall is more than the maximum rainfall in nearly 5 year flood season；
Step S102: seat earth water damage early warning: obtain the hydraulic pressure of seat earth upper plate projective water point
P1, according to formulaCalculate early-warning parameters H, it may be judged whether meet P1>H；
Step S103: old dead zone water damage early warning: obtain the hydraulic pressure P at the sealing of hole of boring2, it is judged that it is
No meet P2> early-warning parameters A, described early-warning parameters A be discharge water after hydraulic pressure at sealing of hole；
Step S104: water yield early warning before wall: obtain the flow of outlet, it is judged that flow is the biggest
In early-warning parameters Q, the computing formula of described early-warning parameters Q is as follows: Q=QGush/1.5；
Step S105: central water sump early warning: obtain the water level (H of central water sumpThe water level of sump), it is judged that
Whether meet HThe water level of sump＞ HControlling water level；
Step S106: discharge pipe line early warning: obtain the displacement (P of discharge pipe lineDisplacement), it is judged that
Whether meet PDisplacement＞ PMaximum displacement；
Step S107: inflow rate of mine water early warning: obtain the inflow rate of mine water discharged during exploitation,
Judge that inflow rate of mine water is whether more than mine maximum flooding quantity in 5 years.
The present invention can utilize multiple sensors to obtain the data acquisition of multiple water damage, by gather
Hydrographic data carries out multiple fusion, forms early-warning parameters.Owing to being integrated with the data acquisition of multisensor
Collection, model is simple, easy to operate, and reliability is high.
Above-described is only principle and the preferred embodiment of the present invention.It should be pointed out that, for this
For the those of ordinary skill in field, on the basis of the principle of the invention, it is also possible to make some its
Its modification, also should be regarded as protection scope of the present invention.
Claims (9)
1. a mine water disaster method for early warning, it is characterised in that comprise the following steps:
Ground water damage and underground flood damage are carried out early warning；
The water damage early warning of described ground includes surface water water damage early warning: obtain the rainfall in mine area,
When described rainfall is more than or equal to the nearly N in described mine area1During the maximum rainfall in year flood season,
Send early warning signal, N1≥2；
Described underground flood damage early warning includes seat earth water damage early warning: obtains seat earth upper plate and dashes forward
The hydraulic pressure P of water spot1, as described hydraulic pressure P1During more than early-warning parameters H, send early warning signal.
Mine water disaster method for early warning the most according to claim 1, it is characterised in that described pre-
The computing formula of alert parameter H is as follows:
Wherein, H is early-warning parameters, Mpa/m；
K is safe discreet value coefficient；
P is the actual hydraulic pressure value of working seam pressure-bearing, Mpa；
M is the actual water proof thickness found out of working seam base plate, m.
Mine water disaster method for early warning the most according to claim 1, it is characterised in that described pre-
The computing formula of alert parameter H is as follows:
Wherein, H is early-warning parameters, Mpa/m；
K is safe discreet value coefficient；
P is the actual hydraulic pressure value of working seam pressure-bearing, Mpa；
M is the actual water proof thickness found out of working seam base plate, m；
MKFor adopting the ore deposit pressure collapse dept to water barrier, m；
MYFor the original rising height of artesian water, m.
Mine water disaster method for early warning the most according to claim 1, it is characterised in that describedly
Face water damage early warning also includes inflow rate of mine water early warning: obtain the inflow rate of mine water discharged during exploitation,
When described inflow rate of mine water is more than nearly N2During the maximum flooding quantity in year flood season, send early warning information, N2
≥2。
Mine water disaster method for early warning the most according to claim 1, it is characterised in that described well
Lower water damage early warning also includes the water damage early warning of old dead zone: obtain the hydraulic pressure P at the sealing of hole of boring2, work as institute
State hydraulic pressure P2During more than early-warning parameters A, send early warning signal, after described early-warning parameters A is for discharging water
Hydraulic pressure at sealing of hole.
6. according to the mine water disaster method for early warning described in any one of claim 1-5, it is characterised in that
Described underground flood damage early warning also includes goaf water damage early warning；
The water damage early warning of described goaf includes fire dam pressure early warning: obtain the hydraulic pressure P of fire dam3,
As described hydraulic pressure P3During more than early-warning parameters B, send early warning signal.
Mine water disaster method for early warning the most according to claim 6, it is characterised in that described in adopt
Dead zone water damage early warning also includes water yield early warning before wall: obtain the flow of outlet, when described flow
During more than early-warning parameters Q, sending early warning signal, the computing formula of described early-warning parameters Q is as follows:
Q=QGush/1.5；
Wherein, Q is average water yield；
QGushFor instantaneous water yield.
8. according to the mine water disaster method for early warning described in any one of claim 1-5, it is characterised in that
Described underground flood damage early warning also includes underground drainage system early warning；
Described underground drainage system early warning includes central water sump early warning: obtain the water level of central water sump,
When described water level is more than controlling water level, send early warning signal.
Mine water disaster method for early warning the most according to claim 8, it is characterised in that described well
Lower drainage system early warning also includes discharge pipe line early warning: obtain the displacement of discharge pipe line, when described
When displacement is more than maximum displacement, send early warning signal.
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| CN201610210258.3A CN105930634A (en) | 2016-04-06 | 2016-04-06 | Mine water disaster early warning method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968707A (en) * | 2017-04-19 | 2017-07-21 | 中国矿业大学 | A kind of coal seam prevents and treats design method for the water damage of Main aquifer mine |
| CN107288638A (en) * | 2017-07-31 | 2017-10-24 | 中国神华能源股份有限公司 | Getting working face water damage appraisal procedure, medium and system |
| CN108334741A (en) * | 2018-02-05 | 2018-07-27 | 西南石油大学 | A kind of shale gas horizontal well well head early stage returns the computational methods of pollution discharging object concentration |
| CN108549994A (en) * | 2018-04-23 | 2018-09-18 | 中国电建集团贵州电力设计研究院有限公司 | A kind of evaluation method of coal mine empty water water damage always |
| CN109141573A (en) * | 2018-07-30 | 2019-01-04 | 太原理工大学 | Water level warning algorithm after a kind of water bursting in mine |
| CN112012793A (en) * | 2019-05-31 | 2020-12-01 | 辽宁工程技术大学 | Colliery is prevention and cure water early warning device in pit |
| CN113565490A (en) * | 2021-08-31 | 2021-10-29 | 中煤科工集团重庆研究院有限公司 | Water disaster micro-seismic early warning method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968707A (en) * | 2017-04-19 | 2017-07-21 | 中国矿业大学 | A kind of coal seam prevents and treats design method for the water damage of Main aquifer mine |
| RU2729291C1 (en) * | 2017-04-19 | 2020-08-05 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Method for planning prevention and elimination of accidents associated with accumulation of water for mine containing coal bed in form of main water-bearing horizon |
| CN107288638A (en) * | 2017-07-31 | 2017-10-24 | 中国神华能源股份有限公司 | Getting working face water damage appraisal procedure, medium and system |
| CN107288638B (en) * | 2017-07-31 | 2019-11-12 | 中国神华能源股份有限公司 | Getting working face water damage appraisal procedure, medium and system |
| CN108334741A (en) * | 2018-02-05 | 2018-07-27 | 西南石油大学 | A kind of shale gas horizontal well well head early stage returns the computational methods of pollution discharging object concentration |
| CN108334741B (en) * | 2018-02-05 | 2021-05-18 | 西南石油大学 | Method for calculating concentration of early flowback pollutants at wellhead of shale gas horizontal well |
| CN108549994A (en) * | 2018-04-23 | 2018-09-18 | 中国电建集团贵州电力设计研究院有限公司 | A kind of evaluation method of coal mine empty water water damage always |
| CN109141573A (en) * | 2018-07-30 | 2019-01-04 | 太原理工大学 | Water level warning algorithm after a kind of water bursting in mine |
| CN112012793A (en) * | 2019-05-31 | 2020-12-01 | 辽宁工程技术大学 | Colliery is prevention and cure water early warning device in pit |
| CN113565490A (en) * | 2021-08-31 | 2021-10-29 | 中煤科工集团重庆研究院有限公司 | Water disaster micro-seismic early warning method |
| CN113565490B (en) * | 2021-08-31 | 2023-08-08 | 中煤科工集团重庆研究院有限公司 | Water damage microseism early warning method |
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