CN105254080B - A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method - Google Patents
A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method Download PDFInfo
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- CN105254080B CN105254080B CN201510613724.8A CN201510613724A CN105254080B CN 105254080 B CN105254080 B CN 105254080B CN 201510613724 A CN201510613724 A CN 201510613724A CN 105254080 B CN105254080 B CN 105254080B
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Abstract
The present invention relates to a kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method.The device includes cylinder, inner barrel is sequentially provided with bottom water flow passage, bottom support plate, filter, bottom grid plate, bottom filter material layer, two-way gas washing pipe, middle part flase floor, middle filter material layer, top filter material layer and top clear water zone from bottom to top, multiple filters are installed in bottom support plate, the bottom of the cylinder side is provided with water rinse mouth, gas flushing mouthful, water inlet and air inlet, the top side of cylinder is provided with delivery port and discharge outlet, and the corresponding outer wall of bottom filter material layer of cylinder is provided with manhole.The device can be collected in mining face under mine and handle emulsifying liquid waste water, device uses the know-why of multi-stage absorption, with reference to the punching of two-way gas, macromolecule in emulsifying liquid waste water, persistent organic pollutants are effectively eliminated, while avoiding the hardened of porous aggregate in device.
Description
Technical field
The invention belongs to colliery stain disease processing technology field, more particularly to a kind of underground coal mine fully-mechanized mining working emulsion
Wastewater treatment equipment and method.
Background technology
With the continuous improvement of mining mechanization degree, it is more and more general that fully-mechanized mining working makees roof timbering using hydraulic support
Time.In hydraulic support work and maintenance process, substantial amounts of emulsifying liquid waste water discharge, this effluent part finally flows by working face
Enter underground and be drained into working face in mine water, swim in mine water surface one thick layer black oil film of formation, sense
The property seen is poor, the coagulating sedimentation of suspension in influence mine water, causes equipment dirt stifled, causes inclined tube blocking in depositing reservoir to cave in, gives
The operation for the treatment of mine drainage factory, which is brought, to be had a strong impact on.At present, for oil emulsion in mine water, be all while treating mine drainage,
Removed it by the way of mechanical frizing, chemical agent breaking milk and removing oil or ultrafiltration oil removing, there is that treatment effeciency is low, construction investment
The high, defect such as intractability is big, operating cost is high.
The content of the invention
The present invention provides a kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit, and the device can be in underground work
Make face to collect and handle emulsifying liquid waste water, device uses the know-why of multi-stage absorption, with reference to the punching of two-way gas, effectively eliminate
Macromolecule, persistent organic pollutants in emulsifying liquid waste water, while avoiding the hardened of porous aggregate in device.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit, the device includes cylinder, and inner barrel is under
And on be sequentially provided with bottom water flow passage, bottom support plate, filter, bottom grid plate, bottom filter material layer, two-way gas washing pipe, in
Multiple filters, the cylinder are installed in portion's flase floor, middle filter material layer, top filter material layer and top clear water zone, bottom support plate
The bottom of body side surface is provided with delivery port and row provided with water rinse mouth, gas flushing mouthful, water inlet and air inlet, the top side of cylinder
The mouth of a river, the corresponding outer wall of bottom filter material layer of cylinder is provided with manhole.Filtrate is periodically added by manhole.The bottom filter
The bed of material uses turn interleaving flushing mode, carries out longitudinal air-water flushing by bottom water flow and gas, and pass through two groups of two-way gas washing pipes
Horizontal gas flushing is carried out, the hardened of filter material layer is effectively prevented.
Preferably, the height of the bottom water flow passage is 600 ~ 800mm.Ensure bottom air water point during air-water backwashing
Cloth is uniform.
Preferably, the bottom grid plate is provided with stainless steel filtering net, mesh size≤1.0cm × 1.0cm.To intercept
Bottom filter material layer.
Preferably, the filtrate in the bottom filter material layer is spherical or elliposoidal, specification is Φ 15mm ~ Φ 30mm, is filled out
It is 45% ~ 50% to fill rate.Ensure that bottom filter material layer is in fluidized state.Bottom filtrate main component is iron and carbon, and iron-carbon ratio is 5:1
~6:1, iron carbon forms micro cell in water, produces a large amount of bioactive molecules, causes the organic matter in water to occur redox reaction,
Small organic molecule or inorganic matter are degraded into, and removal is acted on by carbon adsorption.
There are a large amount of micropores in spherical or elliposoidal filter material surface, specific surface area is 3 ~ 5 times of conventional iron carbon filtrate, is added
The contact area of waste water and filter material surface, shortens the reaction time, is the 1/5 ~ 1/3 of conventional iron carbon filtrate reaction time, absorption
Capacity increases by 2 ~ 3 times.
Preferably, two-way gas washing pipe is axially arranged and be fixed on cylinder inboard wall face, two-way gas washing pipe and gas along cylinder
Dynamic valve is connected.
Preferably, the two-way gas washing pipe is made up of 8 perforated pipes, 4 of same perforate direction are one group, by same
Pneumatic operated valve is controlled；The perforate direction of every perforated pipe and the angle of cylinder radial direction are 45 ° of angles, and every 2 perforation tube side-by-side is close to
Arrangement, 2 adjacent perforated pipe perforate directions are in 90 ° of angles, using centrosymmetric arrangement form.During normal operation, simultaneously
Two groups of pneumatic operated valves are opened, aeration aerating is carried out to water body, gas-water ratio 2 is kept:1~3:1.During flushing, two groups of alternate runs are kept
Backwash rate is 12 ~ 16L/m2S, 1 ~ 3min of washing length, one is rinsed course and replaced 2 ~ 3 times.Make filtrate in pond in horizontal stroke
Yearn for wrong flow regime of reestablishing diplomatic relations, effectively prevent the hardened of filtrate.
Preferably, setting stainless steel filtering net on the middle part flase floor, mesh mesh number is not less than 24 mesh.For intercepting centre
The filtrate of filter material layer and top filter material layer.
Preferably, the filtrate that the middle filter material layer is used is gravel or cobble, size is 2 ~ 4mm；Can effectively it cut
Stay suspension and colloid in water；The filtrate that the top filter material layer is used is active fruit shell carbon filtrate, and size is 1.2 ~ 1.6mm.
Active fruit shell carbon filtrate space is flourishing, and specific surface area is big, with good suction-operated.
Using three-layer filter layer, redox adsorption effect is completed in first layer filter material layer, redox will divide greatly
Sub- organic matter degradation is then a part of by Adsorption into small organic molecule or inorganic matter, the production of the first filter material layer reaction
Suspension in thing and water forms flco and retained by middle filter material layer together to be removed, remaining small organic molecule and inorganic in water
Thing is further removed by the absorption retention of top filter material layer, realizes that multi-stage absorption is retained using three-layer filter, can be in a structure
Build the removal that oil emulsion in waste water is completed in thing, more conventional floor treatment technique reduces investment outlay and taken up an area more than 2/3.
A kind of down-hole combined mining working emulsified liquid waste water treatment method, emulsifying liquid waste water enters described colliery from water inlet
Inside down-hole combined mining working emulsifying liquid waste water processing unit, to ensure that waste water is no less than 10min in bottom reaction time,
The rate of climb≤6m/h of control water inlet current, initially enters bottom filter material layer, by light electrolysis, redox, suction-operated
Afterwards, top filter material layer is entered by middle filter material layer, further from delivery port discharge after absorption.
Preferably, the two-way gas washing pipe is provided simultaneously with aeration aerating and horizontal pre-washing function.During normal operation, simultaneously
Two groups of pneumatic operated valves are opened, regulation gas-water ratio is 2:1~3:1, air-flow is in tangential motion with current, and coefficient of oxygen utilization is high.During flushing, really
Guarantor's backwash rate is 12 ~ 16L/m2·s.Two groups of alternate runs, 1 ~ 3min of washing length, one is rinsed course and replaced 2 ~ 3 times.
The present invention uses multilayer filtrate, using the principle of light electrolysis, redox and multi-stage absorption, will be emulsified in emulsion
The larger molecular organicses such as oil resolve into small organic molecule, are removed by suction-operated.The method of use is as follows：First, it will receive
The emulsifying liquid waste water collected enters bottom of device water stream channel by elevator pump or elevated tank by bottom water inlet pipe, passes through filter
Head, uniform fluid flow enters bottom filter material layer, occurs in the filtering layer of bottom after the effect such as light electrolysis, redox reaction, absorption, breast
Larger molecular organicses resolve into degradable small organic molecule and inorganic matter in carburetion, and water flows through middle filter material layer and enters top
Filter material layer, occurs absorption, crown_interception, further removes oils and a small amount of suspension in water removal, standard water discharge discharge.
It is an advantage of the invention that：Using multilayer filtrate, light electrolysis, redox and multistage suction are realized in a structures
It is attached, the oil emulsion in waste water is removed, simple system, occupation of land are saved, high treating effect, relative to embrane method reduced investment, operational management
Convenient, maintenance cost is low, can remove oil emulsion in water before emulsifying liquid waste water enters shaft sump, greatly save day mineral
The investment of well water treating stations and operating cost, reduce the intractability of ground mine water treating stations, with significant economic effect
Benefit.It is combined using the punching of horizontal two-way cross gas with the longitudinal air-water flushing in bottom, can effectively prevents the hardened of bottom filtrate.It is two-way
Gas washing pipe has the function of aeration aerating concurrently simultaneously, and air-flow is in tangential motion with current, and coefficient of oxygen utilization is high, and more conventional bottom aeration fills
Oxygen saves 1/3 ~ 1/2.Bottom uses porous iron carbon filtrate, and filter material surface has a large amount of micropores, and more conventional iron carbon filtrate shortens anti-
2 ~ 4 times between seasonable, adsorption capacity increases by 2 ~ 3 times.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the two-way gas washing pipe schematic layout pattern of the present invention；
In figure：1- cylinders；2- bottom water flow passages；3- bottom support plates；4- filters；5- bottom grid plates；Filter 6- bottoms
The bed of material；The two-way gas washing pipes of 7-；Flase floor in the middle part of 8-；Filter material layer in the middle of 9-；10- tops filter material layer；11- tops clear water zone；12- enters
The mouth of a river；13- delivery ports；14- water rinse mouths；15- gas flushings mouthful；16- discharge outlet；17- air inlets；18 manholes.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.Should
Work as understanding, implementation of the invention is not limited to the following examples, any formal accommodation for being done to the present invention and/or
Change falls within the scope of the present invention.
Embodiment：
A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit, as shown in figure 1, the device includes cylinder 1, cylinder
Internal portion is sequentially provided with bottom water flow passage 2, bottom support plate 3, filter 4, bottom grid plate 5, bottom filter material layer from bottom to top
6th, two-way gas washing pipe 7, middle part flase floor 8, middle filter material layer 9, top filter material layer 10 and top clear water zone 11, the side of cylinder 1
The bottom in face is provided with water outlet provided with water inlet 12, water rinse mouth 14, gas flushing mouthful 15 and air inlet 17, the top side of cylinder 1
Mouth 13 and discharge outlet 16, the corresponding outer wall of bottom filter material layer 7 of cylinder 1 are provided with manhole 18, are periodically added by the manhole
Plus filtrate.Liquid in bottom water flow passage 2 enters the bottom filter material layer 6 being located above bottom support plate through filter.Two-way gas
Washing pipe is axially arranged and be fixed on cylinder inboard wall face along cylinder, and two-way gas washing pipe is connected with pneumatic operated valve.
The two-way gas washing pipe 8 perforated pipes as shown in Fig. 2 be made up of.Every 2 are arranged in juxtaposition, and perforate direction is in 90 ° of folders
Angle, single Zhi Kaikong directions are with center line in 45 ° of angles, and pipe a, b, c, d are one group, are controlled by same pneumatic operated valve；Pipe e, f, g, h are
Another group, controlled by another pneumatic operated valve, during flushing, two groups of alternate runs, one is rinsed course and replaced 2 ~ 3 times, makes filtrate in pond
It is interior to interlock flow regime in transverse reciprocating, it effectively prevent the hardened of filtrate.During normal operation, two groups of pneumatic operated valves are opened simultaneously,
Air-flow is in tangential motion with current, and coefficient of oxygen utilization is high, and more conventional bottom aeration aerating saves 1/3 ~ 1/2.
The height of the bottom water flow passage is 600 ~ 800mm, it is ensured that bottom air water is uniformly distributed during air-water backwashing.Institute
Bottom grid plate 6 is stated provided with stainless steel filtering net, mesh size≤1.0cm × 1.0cm, to intercept bottom filter material layer.In described
Stainless steel filtering net is set on portion's flase floor 9, mesh mesh number is not less than 24 mesh, the filter for intercepting middle filter material layer and top filter material layer
Material.
Filtrate in the bottom filter material layer 7 is spherical or elliposoidal, and specification is Φ 15mm ~ Φ 30mm, and filling rate is 45%
~ 50%, it is ensured that bottom filter material layer is in fluidized state.Bottom filtrate main component is iron and carbon, and iron-carbon ratio is 5:1~6:1, iron carbon
Micro cell is formed in water, a large amount of bioactive molecules are produced, causes the organic matter in water to occur redox reaction, is degraded into small point
Sub- organic matter or inorganic matter, and removal is acted on by carbon adsorption.And there are a large amount of micropores in spherical or elliposoidal filter material surface, compare table
Area is 3 ~ 5 times of conventional iron carbon filtrate, adds the contact area of waste water and filter material surface, shortens the reaction time, is normal
The 1/5 ~ 1/3 of iron carbon filtrate reaction time is advised, adsorption capacity increases by 2 ~ 3 times.
The filtrate that the middle filter material layer 10 is used is gravel or cobble, for intercepting bottom filter material layer redox reaction
Product and water in suspension；The filtrate that the top filter material layer 11 is used is active fruit shell carbon filtrate, active fruit shell carbon filtrate
Space is flourishing, and specific surface area is big, can further adsorb the small organic molecule remained in trap water, inorganic matter and colloid, really
Protect standard water discharge.
The underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit is in use, emulsifying liquid waste water enters from water inlet 12
Inside underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit described in claim 1, to ensure that waste water reacts in bottom
Residence time is no less than 10min, the rate of climb≤6m/h of control water inlet current, bottom filter material layer 6 is initially entered, by micro- electricity
After solution, redox, suction-operated, enter top filter material layer 10 by middle filter material layer 9, further from delivery port 13 after absorption
Discharge.The two-way gas washing pipe 8 is provided simultaneously with aeration aerating and horizontal pre-washing function, when normally running, while opening two groups of gas
Dynamic valve, regulation gas-water ratio is 2:1~3:1, air-flow is in tangential motion with current, and coefficient of oxygen utilization is high.During flushing, it is ensured that backwash rate
For 12 ~ 16L/m2S, two groups of alternate runs, 1 ~ 3min of washing length.Filtrate is set to interlock flowing shape in transverse reciprocating in pond
State, effectively prevent the hardened of filtrate.
The present apparatus has simple flow, compact conformation, easy to operate, small accommodation area, small investment, operating cost with method
The advantages of low, high treating effect.The oil emulsion in water is removed before emulsifying liquid waste water enters shaft sump, greatly reduces ground
The investment at face treating mine drainage station and operating cost, alleviate the operating load of ground mine water treating stations, with significant warp
Ji benefit.
Embodiment described above is a kind of preferably scheme of the present invention, not makees any formal to the present invention
Limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (5)
1. a kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit, it is characterised in that：The device includes cylinder（1）,
Inner barrel is sequentially provided with bottom water flow passage from bottom to top（2）, bottom support plate（3）, filter（4）, bottom grid plate（5）、
Bottom filter material layer（6）, two-way gas washing pipe（7）, middle part flase floor（8）, middle filter material layer（9）, top filter material layer（10）And top
Clear water zone（11）, the cylinder（1）The bottom of side is provided with water inlet（12）, water rinse mouth（14）, gas flushing mouthful（15）With enter
Gas port（17）, cylinder（1）Top side be provided with delivery port（13）And discharge outlet（16）, cylinder（1）Bottom filter material layer（6）It is right
The outer wall answered is provided with manhole（18）；
The two-way gas washing pipe（7）It is axially arranged and be fixed on cylinder inboard wall face, two-way gas washing pipe along cylinder（7）With pneumatic operated valve
It is connected；And the two-way gas washing pipe（7）It is made up of 8 perforated pipes, 4 of same perforate direction are one group, by same pneumatic
Valve is controlled；The perforate direction of every perforated pipe and the angle of cylinder radial direction are 45 ° of angles, and every 2 perforation tube side-by-side is close to arrangement,
2 adjacent perforated pipe perforate directions are in 90 ° of angles, using centrosymmetric arrangement form；
The bottom filter material layer（6）Interior filtrate be spherical or elliposoidal, specification be Φ 15mm ~ Φ 30mm, filling rate be 45% ~
50%；Bottom filtrate main component is iron and carbon, and iron-carbon ratio is 5:1~6:1；
The middle filter material layer（9）The filtrate used is gravel or cobble, and size is 2 ~ 4mm；The top filter material layer（10）Adopt
Filtrate is active fruit shell carbon filtrate, and size is 1.2 ~ 1.6mm.
2. underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit according to claim 1, it is characterised in that described
The height of bottom water flow passage is 600 ~ 800mm.
3. underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit according to claim 1, it is characterised in that described
Bottom grid plate, which is provided with stainless steel filtering net, mesh size≤1.0cm × 1.0cm, the middle part flase floor, sets stainless steel filter
Net, mesh mesh number is not less than 24 mesh.
4. underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit according to claim 1, it is characterised in that described
Two-way gas washing pipe is provided simultaneously with aeration aerating and horizontal pre-washing function.
5. a kind of down-hole combined mining working emulsified liquid waste water treatment method, it is characterised in that：Emulsifying liquid waste water is from water inlet（12）
Into inside the underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit described in claim 1, to ensure waste water in bottom
Reaction time is no less than 10min, the rate of climb≤6m/h of control water inlet current, initially enters bottom filter material layer（6）, warp
Cross after light electrolysis, redox, suction-operated, by middle filter material layer（9）Into top filter material layer（10）, further after absorption
From delivery port（13）Discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510613724.8A CN105254080B (en) | 2015-09-23 | 2015-09-23 | A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method |
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| CN201510613724.8A CN105254080B (en) | 2015-09-23 | 2015-09-23 | A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method |
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| CN105254080A CN105254080A (en) | 2016-01-20 |
| CN105254080B true CN105254080B (en) | 2017-07-18 |
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| CN109179881A (en) * | 2018-09-28 | 2019-01-11 | 广州亿骏科技有限公司 | A kind of mining filter device carrying out stable emissions water resource |
| CN109319969A (en) * | 2018-12-12 | 2019-02-12 | 瑞盛环境股份有限公司 | A kind of new air-floating filter with deslagging function |
| CN110015779B (en) * | 2019-04-03 | 2021-11-23 | 哈尔滨工程大学 | Ship washing wastewater treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6159363A (en) * | 1998-04-30 | 2000-12-12 | Corning Incorporated | Water carafe filter cartridge |
| CN101792239B (en) * | 2010-03-31 | 2011-10-05 | 成都蜀光石油化学有限公司 | Method for treatment of waste emulsion |
| CN103539255B (en) * | 2013-10-12 | 2016-05-04 | 华南理工大学 | Suspension haydite-active carbon double layer filter and apply it and process the method for former water |
| CN103848496A (en) * | 2014-02-18 | 2014-06-11 | 中持（北京）水务运营有限公司 | Biological aerated filter adopting combined packing way |
| CN204079602U (en) * | 2014-06-04 | 2015-01-07 | 东华大学 | A kind of artificial swamp of assisting aeration and solving blocking with back flushing measure |
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Address after: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee after: Hangzhou Research Institute Co.,Ltd. Address before: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee before: CHINA COAL TECHNOLOGY & ENGINEERING GROUP HANGZHOU ENVIRONMENTAL PROTECTION INSTITUTE Co.,Ltd. |
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