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CN109704517A - A kind of processing system and method for the high organic matter mine water of high suspended matter - Google Patents

A kind of processing system and method for the high organic matter mine water of high suspended matter Download PDF

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Publication number
CN109704517A
CN109704517A CN201910079663.XA CN201910079663A CN109704517A CN 109704517 A CN109704517 A CN 109704517A CN 201910079663 A CN201910079663 A CN 201910079663A CN 109704517 A CN109704517 A CN 109704517A
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mine water
clarifier
suspended matter
area
organic matter
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CN201910079663.XA
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Chinese (zh)
Inventor
袁庆国
腾年保
张秋实
赵兴勃
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BEIJING HUAXIA YITAI TECHNOLOGY Co Ltd
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BEIJING HUAXIA YITAI TECHNOLOGY Co Ltd
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Priority to CN201910079663.XA priority Critical patent/CN109704517A/en
Publication of CN109704517A publication Critical patent/CN109704517A/en
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  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention discloses the processing systems and method of a kind of high organic matter mine water of high suspended matter, are related to the processing technology field of mine water.The processing system includes sequentially connected conditioning tank, oxidation filter, coagulator, clarifier and biochemical reaction tank;Oxidation filter includes inhalant region, redox area, filtering area and drainage area from bottom to top;Inhalant region is provided with aeration tube, and aeration tube extends to filtering area;Clarifier successively carries out the centrifuge separation of second level eddy flow to mine water by downward eddy flow and to forward spin flow.The present invention decomposes macromolecule organic using light electrolysis and principle of oxidation and reduction, destroy lotion, colloid, enter coagulator after free fraction solid phase and generates larger particles, it subsequently enters clarifier and two-stage eddy flow separation of solid and liquid is carried out according to solid and liquid centrifugal force difference, finally carry out biochemical reaction, have the characteristics that treatment effeciency is high, technical process is simple, the time is short, at low cost, the processing suitable for the high organic matter mine water of large-scale high suspended matter.

Description

A kind of processing system and method for the high organic matter mine water of high suspended matter
Technical field
The present invention relates to Mine Water Transacting Technology field, the processing system of especially a kind of high organic matter mine water of high suspended matter System and method.
Background technique
Coal mining unavoidably ground-to-ground descends aqueous system to cause local failure and dirt as a kind of underground production activity Dye.According to statistics, China's mine year total displacement is at 2,200,000,000 tons or more, and its reuse ratio is less than 20%, water resource waste phenomenon And its it is serious.As the north and the Northwest of the main coal-producing area, there is 70% mining area water shortage, 40% belongs to serious water shortage, direct shadow The production of coal mine and the normal life of people are rung.Therefore, the development and utilization for accelerating mine water resource is sought first to pass through in turn Feasible technique of helping and technical treatment mine water are as production and domestic water, it has also become guarantee the normal production and operation of coal mine, mention High Enterprise Integrated benefit, realizes the only way of sustainable development.
Suspension content is high in mine water, and its granularity is small, light specific gravity, sinking speed is slow, coagulation effect is poor, simultaneously also Containing organic pollutants such as used oil, oil emulsions, therefore, mine water not only has the property of suspension, also tends to cream The property of liquogel, so processing difficulty is larger.The mine wastewater treatment process and technique that the existing country uses mainly have including heavy Shallow lake, coagulating sedimentation, coagulating sedimentation filtering, shunting of removing contamination etc..The mine water discharged after processing, generallys use precipitating or coagulation is heavy Shallow lake processing technique;As industrial water or other with water after processing, coagulating sedimentation filtration treatment technology is generallyd use.However this A little treatment process have that low treatment effeciency, complex technical process, operating technology require height, land occupation big, and processing is caused to be imitated The defects of rate is low, the time is long, at high cost is unable to satisfy the processing of the high organic matter mine water of extensive high suspended matter.
Summary of the invention
First invention purpose of the invention is: in view of the above problems, providing a kind of high organic matter of high suspended matter The processing system of mine water, the system will carry out multistep treatment to mine water, have treatment effeciency is high, technical process is simple, when Between feature short, at low cost.
Second goal of the invention of the invention is, provides a kind of processing method of high organic matter mine water of high suspended matter, should Method is based on above system.
The technical solution adopted by the invention is as follows:
A kind of processing system of the high organic matter mine water of high suspended matter comprising sequentially connected conditioning tank, mixes oxidation filter Condenser, clarifier and biochemical reaction tank;The oxidation filter includes inhalant region, redox area, filtering area from bottom to top And drainage area;The inhalant region is provided with aeration tube, and the aeration tube extends to the filtering area;The clarifier successively passes through Downward eddy flow and the centrifuge separation of second level eddy flow is carried out to mine water to forward spin flow.
By adopting the above-described technical solution, mine water is anti-first with light electrolysis and redox in oxidation filter It answers, macromolecule organic is resolved into small molecule, to destroy lotion, colloid, dissociate partial solid phase, filters through filtering area Enter coagulator through drainage area after retention bulky grain solid phase, in coagulator, fine suspension coagulation is net at entering after bulky grain Change device, in clarifier, solid and liquid are separated according to centrifugal force difference, rather than traditional gravity precipitation and separation, only There are density contrasts, thus separate thorough.It subsequently enters and carries out biochemical reaction in biochemical reaction tank, mine water is effectively reduced COD, then can qualified discharge or collect reuse.
A kind of processing system of the high organic matter mine water of high suspended matter of the invention, the clarifier point interior upper without leave and Under be sequentially reduced;The water inlet of the clarifier is set to upper side, and the inner wall of water inlet and the clarifier is tangent, The water outlet of the clarifier is set to top, is connected to the biochemical reaction tank.
By adopting the above-described technical solution, the mine water into clarifier is flowed along tangential direction, helix is utilized Water conservancy diversion principle automatically forms downward eddy flow, and the particle formed in mine water under the influence of centrifugal force is thrown toward wall, and with to Lower eddy flow and self gravitation effect are snapped down to the sludge storage pool of lower end along device inner wall, to remove most suspended matter;Center Because negative pressure forms upward eddy flow, using the centrifugal force generated to forward spin flow, the sundries such as remaining little particle are separated.
A kind of processing system of the high organic matter mine water of high suspended matter of the invention is set in the middle part of the inside of the clarifier It is equipped with drainage trough, the drainage trough hangs on the roof of the clarifier and extends to the external of the clarifier;The evolution The bottom of device is connected with sludge storage pool.
By adopting the above-described technical solution, drainage trough can will be relatively separated to forward spin flow and downward eddy flow, make lower eddy flow With forward spin flow respectively in different zones independent operating, the short flow phenomenon of conventional purge device generation is avoided.It is not needed in clarifier Eddy flow is formed by rotatable parts, without maintenance, uses easy and save the cost.
A kind of processing system of the high organic matter mine water of high suspended matter of the invention further includes producing pond, the production water Pond is connected to the biochemical reaction tank;The clarifier is additionally provided with backwashing pump, and the backwashing pump feed end is connected to the production Pond, discharge end connect the directly clarifier to carry out backwash to evolution device.
A kind of processing system of the high organic matter mine water of high suspended matter of the invention, the aeration tube are provided with four groups, The even inner wall for being distributed in the oxidation filter;Every group of the aeration tube includes an aeration tube and remaining in two, every group The opening direction of an aeration tube in three groups is identical, and two opening directions are mutually perpendicular to;Be open identical four aerations Pipe is controlled by same pneumatic operated valve.
It is divided into two groups when by adopting the above-described technical solution, being set to four groups of aeration tubes work of different zones, this two The different pneumatic operated valve control of group aeration tube two.Two groups of aeration tubes can be such that filtrate hands in pond in transverse reciprocating with alternate run Wrong flow regime effectively prevents hardened (the media regeneration process) of filtrate;It can also run simultaneously, air-flow is in water flow at this time Tangential motion, coefficient of oxygen utilization height (course of work).
A kind of processing system of the high organic matter mine water of high suspended matter of the invention, the redox area, which is provided with, to be filled out Material, the filler are made of mesoporous iron and mesoporous carbon according to molar ratio for 5-6:1;Mesoporous iron and the partial size of mesoporous carbon are 18- 25mm。
By adopting the above-described technical solution, iron carbon forms micro cell in water, a large amount of bioactive molecules are generated, are caused in water Organic matter occur redox reaction, be degraded into small organic molecule or inorganic matter, and can be retained by suction-operated. The specific surface area of mesoporous iron and mesoporous carbon is 3-5 times of conventional iron carbon filtrate, increases the contact area of waste water and filter material surface, The reaction time is shortened, adsorption capacity is increased.
A kind of processing system of the high organic matter mine water of high suspended matter of the invention, the filtering area are provided with active carbon; It is provided with level-one grid between the inhalant region and the redox area, is set between the redox area and the filtering area It is equipped with second level grid;Three-level grid is provided between the filtering area and the drainage area.
By adopting the above-described technical solution, level-one grid plays the role of primary filter, second level grid and three-level grid Each serve as the effect of retention iron carbon filtrate and carbon leaching material.
A kind of processing system of the high organic matter mine water of high suspended matter of the invention, the biochemical reaction tank include successively connecting Anaerobic pond, anoxic pond and the aerobic tank connect;Between the oxidation filter and the coagulator and/or the coagulator with it is described Chemicals dosing plant is provided between clarifier.
A kind of processing method of the high organic matter mine water of high suspended matter comprising following steps:
(1) mine water is imported into oxidation filter, redox reaction occurs in the redox area of oxidation filter, it will be organic Object resolves into small molecule, destroys emulsion, realizes preliminary separation of solid and liquid;It is absorbed and filter then up through filtering area, removal portion Divide suspended matter, enters coagulator through drainage area then up;During upwards, aeration aerating is carried out to mine water;
(2) it is right to carry out first downward eddy flow at clarifier is entered after larger particles in clarifier for suspended matter coagulation in coagulator The second level eddy flow centrifugal separation processes of backward forward spin flow;During downward eddy flow, remove under the influence of centrifugal force most Suspended matter;It subsequently forms to forward spin flow, using the remaining small granular suspended matters of centrifugal force separate, meanwhile, small in mine water Mutually bonding forms sludge filtration layer, further filters to mine water;Filtered mine water enters life from top as water outlet Change reaction tank;
(3) in biochemical reaction tank, mine water successively carries out qualified discharge after anaerobic reaction, hypoxia response, aerobic reaction Or it collects.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
In the present invention, first with light electrolysis and principle of oxidation and reduction, macromolecule organic will be resolved into small molecule, from And lotion, colloid are destroyed, dissociate partial solid phase, then retains to bulky grain solid phase, small granular suspended matters are with liquid phase Into coagulation in coagulator at larger particles, subsequently enter in clarifier and be separated by solid-liquid separation again, in clarifier, solid and Liquid is separated according to centrifugal force difference, rather than traditional gravity precipitation and separation, simply by the presence of density contrast, thus point From thorough.It subsequently enters and carries out biochemical reaction in biochemical reaction tank, the COD of mine water is effectively reduced, it then can qualified discharge Or collect reuse, the treatment process compared with traditional treatment process, have treatment effeciency is high, technical process is simple, the time is short, Feature at low cost, the processing suitable for the high organic matter mine water of large-scale high suspended matter.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is the composition schematic diagram of the processing system of the high organic matter mine water of high suspended matter provided by the invention;
Fig. 2 is the schematic diagram of the oxidation filter of the processing system of the high organic matter mine water of high suspended matter provided by the invention;
Fig. 3 is setting for the aeration tube of the oxidation filter of the processing system of the high organic matter mine water of high suspended matter provided by the invention Set schematic diagram;
Fig. 4 is the schematic illustration of the clarifier of the processing system of the high organic matter mine water of high suspended matter provided by the invention.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated, It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of An example in equivalent or similar characteristics.
As shown in Figure 1, the present embodiment provides a kind of processing systems of the high organic matter mine water of high suspended matter comprising successively The oxidation filter 1 of connection coagulator 2, clarifier 3, biochemical reaction tank 4, produces pond 5, and is set to 3 bottom of clarifier Sludge storage pool 6.
As shown in Fig. 2, oxidation filter 1 include a cylinder, cylinder to it is lower and on successively include inhalant region 11, oxidation also It former area 12, filtering area 13, drainage area 14 and is set to inhalant region 11 and extends to the aeration tube 15 of filtering area 13.Wherein intake Area 11 is provided with water inlet 111, and level-one grid 112 is provided between inhalant region 11 and redox area 12 to retain mine water Large granular impurity.Redox filler is provided in redox area 12, redox filler is made of mesoporous iron and mesoporous carbon, For its partial size between 18-25mm, the molar ratio between intermediary hole iron and mesoporous carbon is 5-6:1.Iron carbon forms micro- in water Battery causes the organic matter in water that redox reaction occurs, is degraded into small organic molecule or inorganic matter.
Second level grid 122 is provided between redox area 12 and filtering area 13 to retain redox filler.Filtering area 13 setting filter packings, the preferred active carbon of filter packing can effectively inhale small organic molecule and small granular suspended matters Attached filtering.Three-level grid 132 is provided between filtering area 13 and drainage area 14 to retain filter packing.The top of drainage area 14 is set It is equipped with discharge outlet 141, discharge outlet 141 is connected to coagulator 2.
As shown in figure 3, aeration tube 15 is provided with eight altogether, it is divided into four groups, every group two.Four groups of aeration tubes 15 are uniformly distributed In the inner wall of the cylinder of oxidation filter 1.An aeration tube 15 in every group is opened with an aeration tube 15 in its excess-three group Mouth direction is identical, and two opening directions are mutually perpendicular to;Identical four aeration tubes 15 that are open are controlled by same pneumatic operated valve.It exposes The air inlet 151 of tracheae 15 is set to inhalant region 11.It should be noted that operation when, opening direction just as four aeration tubes 15 be same action group.When oxidation filter works normally, two action groups are run simultaneously, when being rinsed regeneration to filtrate, Two action group alternate runs.
First chemicals dosing plant 16 is set between oxidation filter 1 and coagulator 2 so that coagulant is added into coagulator 2.It is mixed It is provided with the second chemicals dosing plant 21 between condenser 2 and clarifier 3, is carried out so that coagulant is added to the material through 2 coagulation of coagulator Coagulation again, subsequently into clarifier 3.First chemicals dosing plant 16 can identical may be used with the coagulant in the second chemicals dosing plant 21 With difference.
Clarifier 3 is cyclone purifier.As shown in figure 4, the internal diameter of clarifier 3 is sequentially reduced from top to bottom.Clarifier 3 Upper side is arranged in water inlet, and water inlet and inner wall are tangent.The middle part of clarifier 3 is provided with drainage trough (not shown), draws Chute hangs on the roof of clarifier 3 and extends to the external of clarifier, is connected to biochemical reaction tank 4.Clarifier 3 is additionally provided with Backwashing pump 31, the feed end of backwashing pump 31, which is connected to, produces pond 5, and the discharge end of backwashing pump 31 is connected to clarifier 3 to purification Device 3 carries out backwash.
Biochemical reaction tank 4 includes sequentially connected anaerobic pond, anoxic pond and aerobic tank, and anaerobic-aerobic technology is this field The conventional technical means that technical staff should understand that, repeats no more herein.It produces pond 5 and is connected to aerobic tank, sludge storage pool 6 connects The lower end of clarifier 3 is connected to store the sludge collected during eddy flow.
Embodiment 2
The present embodiment provides a kind of processing method of the high organic matter mine water of high suspended matter, this method is based on above system, including Following steps:
Step 1: importing oxidation filter for mine water, and redox reaction occurs in the redox area of oxidation filter, will Organic matter resolves into small molecule, destroys emulsion and colloid, realizes preliminary separation of solid and liquid;It was adsorbed then up through filtering area Filter removes part small organic molecule and small granular suspended matters, enters coagulator through drainage area then up;During upwards, Aeration aerating is carried out to mine water.
Step 2: small granular suspended matters in coagulator coagulation at after larger particles enter clarifier, in clarifier into The first second level eddy flow centrifugal separation processes of eddy flow eddy flow then up downwards of row;During downward eddy flow, in the effect of centrifugal force The lower most suspended matter of removal;It subsequently forms to forward spin flow, using the remaining small granular suspended matters of centrifugal force separate, meanwhile, Little particle in mine water, which mutually bonds, forms sludge filtration layer, further filters to mine water;Filtered mine water conduct Water outlet enters biochemical reaction tank from top.
Step 3: in biochemical reaction tank, mine water is successively carried out after anaerobic reaction, hypoxia response, aerobic reaction Qualified discharge or collection, the production water of collection can return to clarifier and carries out backwash to clarifier.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed New feature or any new combination, and disclose any new method or process the step of or any new combination.

Claims (9)

1. a kind of processing system of the high organic matter mine water of high suspended matter, which is characterized in that it includes sequentially connected aoxidized Filter, coagulator, clarifier and biochemical reaction tank;The oxidation filter include from bottom to top inhalant region, redox area, Filtering area and drainage area;The inhalant region is provided with aeration tube, and the aeration tube extends to the filtering area;The clarifier is first The centrifuge separation of second level eddy flow is carried out to mine water by downward eddy flow and to forward spin flow afterwards.
2. the processing system of the high organic matter mine water of high suspended matter according to claim 1, which is characterized in that the purification The internal diameter of device point is sequentially reduced from top to bottom;The water inlet of the clarifier is set to upper side, and water inlet with it is described The inner wall of clarifier is tangent, and the water outlet of the clarifier is set to top, is connected to the biochemical reaction tank.
3. the processing system of the high organic matter mine water of high suspended matter according to claim 2, which is characterized in that the purification Drainage trough is provided in the middle part of the inside of device, the drainage trough hangs on the roof of the clarifier and to outside the clarifier Portion extends;The bottom of the clarifier is connected with sludge storage pool.
4. the processing system of the high organic matter mine water of high suspended matter according to claim 3, which is characterized in that it further includes Is produced from pond, the production pond is connected to the biochemical reaction tank;The clarifier is additionally provided with backwashing pump, the backwashing pump charging End is connected to the production pond, and outlet material end connects the directly clarifier to carry out backwash to evolution device.
5. the processing system of the high organic matter mine water of high suspended matter described in any one of -4, feature exist according to claim 1 In the aeration tube is provided with four groups, is uniformly distributed in the inner wall of the oxidation filter;Every group of the aeration tube includes two , an aeration tube in every group is identical as the opening direction of an aeration tube in its excess-three group, and two opening directions It is mutually perpendicular to;Identical four aeration tubes that are open are controlled by same pneumatic operated valve.
6. the processing system of the high organic matter mine water of high suspended matter according to claim 5, which is characterized in that the oxidation Reducing zone is provided with filler, and the filler is made of mesoporous iron and mesoporous carbon according to molar ratio for 5-6:1;Mesoporous iron and mesoporous carbon Partial size be 18-25mm.
7. the processing system of the high organic matter mine water of high suspended matter according to claim 6, which is characterized in that the filtering Area is provided with active carbon;Be provided with level-one grid between the inhalant region and the redox area, the redox area with Second level grid is provided between the filtering area;Three-level grid is provided between the filtering area and the drainage area.
8. the processing system of the high organic matter mine water of high suspended matter according to claim 7, which is characterized in that the biochemistry Reaction tank includes sequentially connected anaerobic pond, anoxic pond and aerobic tank;Between the oxidation filter and the coagulator and/or Chemicals dosing plant is provided between the coagulator and the clarifier.
9. a kind of processing method of the high organic matter mine water of high suspended matter, which is characterized in that it includes the following steps:
(1) mine water is imported into oxidation filter, redox reaction occurs in the redox area of oxidation filter, it will be organic Object resolves into small molecule, destroys emulsion, realizes preliminary separation of solid and liquid;It is absorbed and filter then up through filtering area, removal portion Divide suspended matter, enters coagulator through drainage area then up;During upwards, aeration aerating is carried out to mine water;
(2) it is right to carry out first downward eddy flow at clarifier is entered after larger particles in clarifier for suspended matter coagulation in coagulator The second level eddy flow centrifugal separation processes of backward forward spin flow;During downward eddy flow, remove under the influence of centrifugal force most Suspended matter;It subsequently forms to forward spin flow, using the remaining small granular suspended matters of centrifugal force separate, meanwhile, small in mine water Mutually bonding forms sludge filtration layer, further filters to mine water;Filtered mine water enters life from top as water outlet Change reaction tank;
(3) in biochemical reaction tank, mine water successively carries out qualified discharge after anaerobic reaction, hypoxia response, aerobic reaction Or it collects.
CN201910079663.XA 2019-01-28 2019-01-28 A kind of processing system and method for the high organic matter mine water of high suspended matter Pending CN109704517A (en)

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CN110436660A (en) * 2019-09-17 2019-11-12 安徽马钢矿业资源集团有限公司 A kind of ore dressing magnetic separator filter sewage processing unit
CN111517568A (en) * 2020-04-17 2020-08-11 安徽东方钙业有限公司 Mine wastewater circulating treatment system
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Publication number Priority date Publication date Assignee Title
CN110436660A (en) * 2019-09-17 2019-11-12 安徽马钢矿业资源集团有限公司 A kind of ore dressing magnetic separator filter sewage processing unit
CN111517568A (en) * 2020-04-17 2020-08-11 安徽东方钙业有限公司 Mine wastewater circulating treatment system
CN111517568B (en) * 2020-04-17 2022-03-18 安徽东方钙业有限公司 Mine wastewater circulating treatment system
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