CN106898223A - A kind of goaf sewage purification similar material simulation experiment device and application method - Google Patents
A kind of goaf sewage purification similar material simulation experiment device and application method Download PDFInfo
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- CN106898223A CN106898223A CN201510949047.7A CN201510949047A CN106898223A CN 106898223 A CN106898223 A CN 106898223A CN 201510949047 A CN201510949047 A CN 201510949047A CN 106898223 A CN106898223 A CN 106898223A
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Abstract
A kind of goaf sewage purification similar material simulation experiment device and application method, belong to environmental protection treating mine drainage field.Goaf sewage purification similar material simulation experiment device is mainly made up of support meanss, purifier, cyclic control system, by the goaf sewage purification similar material simulation experiment device, can predict sewage by single goaf, by upper goaf through insertion crack to lower goaf Liang Zhong paths water purification ability and the length of service, and can predict when sewage while when being purified by both the above path, two kinds of ratios of the purification sewage quantity in path, predicting the outcome can be as the important guiding of actual production.
Description
Technical field
The present invention relates to environmental protection treating mine drainage field, more particularly to a kind of new goaf sewage purification similar material simulation experiment device.
Background technology
（1）Due to the enhancing of the deficient and environmental consciousness of water resource, many collieries are that sewage is displaced into ground sewage factory to purify recycling by techniques such as coagulation, precipitation, filtering, sterilizations to the processing method of downhole production sewage at this stage, but this processing method has the shortcomings of cycle is long, floor space is big, cost of sewage disposal is high.（2）At present, Mine System underground goaf purification method is possessed some special knowledge, but to the research of goaf Water clarifying mechanism than shallower, only it is to rest on the research to single goaf Water clarifying mechanism and ability, do not account for when coal seam spacing is smaller, due to by mining influence, the rock stratum between coal seam has produced crack and by upper and lower goaf insertion, while underground sewage is purified by upper goaf, sewage is likely to flow to lower goaf by upper goaf by insertion crack and is purified.（3）At present, the capability study to goaf purification sewage is more, but less to the research of the goaf clean water services time limit and different paths water purification ratio.
The content of the invention
The purpose of the present invention is to overcome the weak point in prior art, there is provided a kind of to predict a kind of new goaf sewage purification similar material simulation experiment device that sewage flows through the goaf water purification ability and the length of service in different paths.
To achieve the above object, this patent establishes the goaf effluent cycle purification model with variable hydraulic gradient in laboratory, the gradient can be adjusted by slope change bar, the purifier of the experimental model builds according to the theory of similarity, filling cylinder diameter is determined according to the actual permission water flowing basal area in goaf, depending on purifier length can be according to the length in goaf, the experimental model for building by this method, the phenomenon and data of generation more gear to actual circumstances, and have important guiding value to production application.Filter material layer has two classes in filling cylinder, a class be goaf filling thing for simulating goaf, a class is fine particle obturation for simulating upper and lower two mined out interval insertion cracks.Goaf filling thing is isolated with fine particle obturation with metal grill or plastic entity plate, and the selection of filter material layer is most important, can directly influence the success or failure of experiment and the authenticity of experimental result.Experimental model has a water inlet pipe and two outlet pipes, data collecting system and valve are fitted with water pipe, valve can adjust the speed of current, data collecting system can record water-carrying capacity, laboratory high-turbidity sewage is formulated by a certain percentage using the glar in Mine System pond, sewage is pumped into purifier upper end water inlet through water inlet pipe, by after filter layer, flowed out from outlet pipe respectively, by the Reasonable Regulation And Control to cyclic control system in experimental model, water purification ability of the underground sewage by different paths can respectively be measured, the clean water services time limit, water purification ratio, there is important guiding value to actual production.
Beneficial effect：By the goaf sewage purification similar material simulation experiment device, can predict sewage by single goaf, by upper goaf through insertion crack to lower goaf Liang Zhong paths water purification ability and the length of service, and can predict when sewage while when being purified by both the above path, two kinds of ratios of the purification sewage quantity in path, predicting the outcome can be as the important guiding of actual production.
Brief description of the drawings
Fig. 1 is goaf sewage purification similar material simulation experiment device.
Specific embodiment
Goaf sewage purification similar material simulation experiment device is mainly made up of support meanss, purifier, cyclic control system.Support meanss are made up of base 1, slope change bar 2, supporting body 3, and supporting body 3 is provided with bearing groove 4；Purifier is made up of filling cylinder 5, upper goaf filling thing 6, lower goaf filling thing 7, fine particle charges 8, metal grill or plastic entity plate 9；Cyclic control system is made up of water tank 10, agitator 11, water pump time controller 12, water pump 13, data collecting system 1, data collecting system 2 15, data collecting system 3 16, valve 1, valve 2 18, valve 3 19, water inlet pipe 20, outlet pipe 1, outlet pipe 2 22.Supporting body 3 is formed by welded steel, and bearing groove 4 is left for fixing purifier in upper surface, and the gradient of supporting body 3 can be adjusted by the flexible of slope change bar 2.The purifier builds according to the theory of similarity, filling cylinder 5 is made by high performance resin material, the filling diameter of cylinder 5 is determined according to the actual permission water flowing basal area in goaf, it is contemplated that indoor model length can be differed greatly with true goaf on the spot using length, even if also being difficult to all promising policy requirement by the theory of similarity, for this sets up circulation line to model, water after being filtered through filter material layer is flow back into water tank 10 by outlet pipe, water pump 13 is controlled by water pump time controller 12, during circulating filtration, reasonable set water pump time controller 12 is answered to the startup interval of water pump 13 and a regulation and control for operation duration, ensure that inflow keeps in a basic balance with water yield, ensure being smoothed out for experiment.Sewage is repeated multiple times to flow through filter layer, extend filtration time of the sewage in purifier, increased filtering times of the sewage in rock stratum, equivalent to the length for lengthening filter layer, according to Practical Project example, calculate the number of times that sewage disposal should be circulated, number of times reach after by switch off the pump power supply.
Experiment one：By valve 1,Valve 2 18 is opened,Valve 3 19 is closed,Isolated with plastic entity plate 9 between upper goaf filling thing 6 and fine particle charges 8,Plastic entity plate 9 is used for preventing sewage from flowing down,Start after agitator 11 stirs sewage,Start water pump time controller 12 and water pump 13 by sewage transport to purifier water inlet,Sewage is by after upper goaf filling thing 6,It is back in water tank 10 through outlet pipe 1,Effluent cycle system is regulated and controled by water pump time controller 12 and water pump 13,During circulating filtration,The startup of water pump 13 should be rationally controlled to be spaced and an operation duration,Ensure that inflow keeps in a basic balance with water yield,Ensure being smoothed out for experiment,Data collecting system 1 is able to record that the water-carrying capacity of lower water inlet pipe 20,Data collecting system 2 15 is able to record that the water-carrying capacity of lower discharging tube 1 when cycle-index is reached with the number of times that sewage disposal should be circulated is calculated by the theory of similarity,Can be switched off the pump power supply,The water to the outflow of outlet pipe 1 of timing is answered in experimentation carries out water examination,Tested by this it is understood that single goaf is to the ability of sewage disposal,After detecting single goaf water purification ability,Water circulation treatment can be proceeded,And timing is tested to water quality,When water quality has the trend of variation,The as clean water services time limit in the goaf.
Experiment two：By valve 1,Valve 3 19 is opened,Valve 2 18 is closed,Isolated with metal grill 9 between goaf filling thing and fine particle charges 8,Metal grill 9 has the effect for separating two charges,Sewage is allowed to flow to lower goaf filling thing 7 by metal grill 9 simultaneously,Start after agitator 11 stirs sewage,Start water pump time controller 12 and water pump 13 by sewage transport to purifier water inlet,Sewage is by after upper goaf filling thing 6,It is back in water tank 10 through outlet pipe 2 22,Effluent cycle system is regulated and controled by water pump time controller 12 and water pump 13,During circulating filtration,The startup of water pump 13 should be rationally controlled to be spaced and an operation duration,Ensure that inflow keeps in a basic balance with water yield,Ensure being smoothed out for experiment,Data collecting system 1 is able to record that the water-carrying capacity of lower water inlet pipe 20,Data collecting system 3 16 is able to record that the water-carrying capacity of lower discharging tube 2 22,When cycle-index is reached with the number of times that sewage disposal should be circulated is calculated by the theory of similarity,Can be switched off the pump power supply,The water to the outflow of outlet pipe 2 22 of timing is answered in experimentation carries out water examination,Tested by this it is understood that sewage flows through ability of the upper goaf filling thing 6 through the sewage disposal of fine particle charges 8 to lower this path of goaf filling thing 7,After detecting this path goaf water purification ability,Water circulation treatment can be proceeded,And timing is tested to water quality,When water quality has the trend of variation,The as clean water services time limit in this path goaf.
Experiment three：By valve 1,Valve 2 18,Valve 3 19 is all opened,Isolated with metal grill 9 between goaf filling thing and fine particle charges 8,Metal grill 9 has the effect for separating two charges,Sewage is allowed to flow to lower goaf filling thing 7 by metal grill 9 simultaneously,Start after agitator 11 stirs sewage,Start water pump time controller 12 and water pump 13 by sewage transport to purifier water inlet,Sewage is by upper goaf filling thing 6,Fine particle obturation 8,Lower goaf filling thing 7,Finally by outlet pipe 1,Outlet pipe 2 22 is back in water tank 10,Effluent cycle system is regulated and controled by water pump time controller 12 and water pump 13,During circulating filtration,The startup of water pump 13 should be rationally controlled to be spaced and an operation duration,Ensure that inflow keeps in a basic balance with water yield,Ensure being smoothed out for experiment,Data collecting system is able to record that the water-carrying capacity of lower water inlet pipe and water outlet pipe,When cycle-index is reached with the number of times that sewage disposal should be circulated is calculated by the theory of similarity,Can be switched off the pump power supply,Answered in experimentation timing to outlet pipe 1,The water of the outflow of outlet pipe 2 22 carries out water examination,Tested by this it is understood that the ability of the sewage disposal when two kinds of sewage disposal paths are carried out in testing one and experiment two simultaneously,Recorded by data acquisition unit 1 and always enter water,By data acquisition unit 2 15,Data acquisition unit 3 16 records the water-carrying capacity for flowing through outlet pipe 1 and outlet pipe 2 22 respectively,By simple calculating,The water purification ratio in both the above path can be calculated.
What the present invention was illustrated by specific implementation process, without departing from the present invention, various conversion and equivalent replacement can also be carried out to patent of the present invention, therefore, patent of the present invention is not limited to disclosed specific implementation process, and should include the whole embodiments fallen into scope of the patent claims of the present invention.
Claims (6)
1. a kind of goaf sewage purification similar material simulation experiment device and application method, it is characterised in that：Mainly it is made up of support meanss, purifier, cyclic control system, support meanss are by base（1）, slope change bar（2）, supporting body（3）Composition, supporting body（3）It is provided with bearing groove（4）；Purifier is by filling cylinder（5）, upper goaf filling thing（6）, lower goaf filling thing（7）, fine particle charges（8）, metal grill or plastic entity plate（9）Composition；Cyclic control system is by water tank（10）, agitator（11）, water pump time controller（12）, water pump（13）, data collecting system one（14）, data collecting system two（15）, data collecting system three（16）, valve one（17）, valve two（18）, valve three（19）, water inlet pipe（20）, outlet pipe one（21）, outlet pipe two（22）Composition.
2. a kind of goaf sewage purification similar material simulation experiment device according to claim 1 and application method, it is characterised in that：Supporting body（3）Leave bearing groove in upper surface（4）For fixing purifier, supporting body（3）The gradient can be by slope change bar（2）Flexible be adjusted.
3. a kind of goaf sewage purification similar material simulation experiment device according to claim 1 and application method, it is characterised in that：Purifier builds according to the theory of similarity, fills cylinder（5）Made by high performance resin material, fill cylinder（5）Diameter is determined according to the actual permission water flowing basal area in goaf, it is contemplated that indoor model length can be differed greatly with true goaf on the spot using length, be that this sets up circulation line to model even if also being difficult to all promising policy requirement by the theory of similarity.
4. a kind of goaf sewage purification similar material simulation experiment device according to claim 1 and application method, it is characterised in that：Filling cylinder（5）Middle filter material layer has two kinds, one kind be goaf filling thing for simulating goaf, one kind is fine particle obturation（8）For simulating upper and lower two mined out interval insertion cracks, goaf filling thing and fine particle obturation（8）With metal grill or plastic entity plate（9）Isolated.
5. a kind of goaf sewage purification similar material simulation experiment device according to claim 1 and application method, it is characterised in that：To the Reasonable Regulation And Control of cyclic control system in experimental model, during circulating filtration, reasonable set water pump is answered（13）Startup interval and an operation duration, it is ensured that the holding of inflow and water yield is in a basic balance.
6. a kind of goaf sewage purification similar material simulation experiment device according to claim 1 and application method, it is characterised in that：By to goaf filling thing and fine particle charges（8）Between spacer reasonable conversion and to valve one（17）, valve two（18）, valve three（19）Reasonable Regulation And Control, can predict sewage by single goaf, by upper goaf through insertion crack to lower goaf Liang Zhong paths water purification ability and the length of service, and can predict when sewage is purified by both the above path simultaneously, two kinds of ratios of the purification sewage quantity in path.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107185A (en) * | 2017-11-29 | 2018-06-01 | 中国神华能源股份有限公司 | Purification of mine drainage experiment test device and its test method |
| CN108169438A (en) * | 2017-11-29 | 2018-06-15 | 中国神华能源股份有限公司 | A kind of mine worked-out section ground water cleaning pilot system and test method |
| CN111145625A (en) * | 2020-01-14 | 2020-05-12 | 新昌县梅维斯环保有限公司 | River sewage purification analogue means for ecological remediation |
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| CN108107185A (en) * | 2017-11-29 | 2018-06-01 | 中国神华能源股份有限公司 | Purification of mine drainage experiment test device and its test method |
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| CN111145625A (en) * | 2020-01-14 | 2020-05-12 | 新昌县梅维斯环保有限公司 | River sewage purification analogue means for ecological remediation |
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| CN106898223B (en) | 2019-07-05 |
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