CN101786760A - Mine water treatment technique - Google Patents
Mine water treatment technique Download PDFInfo
- Publication number
- CN101786760A CN101786760A CN200910259474A CN200910259474A CN101786760A CN 101786760 A CN101786760 A CN 101786760A CN 200910259474 A CN200910259474 A CN 200910259474A CN 200910259474 A CN200910259474 A CN 200910259474A CN 101786760 A CN101786760 A CN 101786760A
- Authority
- CN
- China
- Prior art keywords
- water
- mine
- sewage
- flocculation
- percent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a mine water treatment technique. The characteristic of the technique, which is different from other water source treatment techniques, is that a chemical method is first used for carrying out flocculation and sedimentation before biodegradation, and moreover, the flocculation-sedimentation technique is as follows: polyacrylamide accounting for 1 percent to 2 percent of the total weight of mine sewage is first added in a flocculation-sedimentation tank, solid suspending impurities, such as organic pollutant and pulverized coal ash, are sedimentated, aluminium polychlorid accounting for 10 percent to 15 percent is then added in the sediment, the aluminium polychlorid and the sediment are then mixed by a mixer, and react for 3 to 5 minutes, so that flocculent precipitate is formed, a filter press is used for separating out the flocculent precipitate, and after treatment, the obtained water is drained into a regulation tank. The invention has the advantage that the treatment technique integrated chemical flocculation with biodegradation can effectively purify mine sewage.
Description
Technical field
The present invention relates to a kind of mine water treatment technique, be specifically related to a kind of mainly be water quality and quantity with pit water carry out all with, tiny suspended solid then flips, acidification pool is separated in water inlet, be hydrolyzed after the acidifying by filler, under the effect of aerobe, carry out catalytic oxidation, organism in the degradation of sewage, water source after will degrading again precipitates, separate the aging microbial film that aerobe comes off, clear water flows to the Zhong Shui pond naturally, and in the Zhong Shui pond, its water source is according to using character, carry out quartz sand filtration or activated carbon filtration again, finish the mine water treatment technique of whole mine water treatment procedure, for realizing this technology, the present invention also provides a kind of premix flocculation sedimentation tank.
Background technology
The water outlet of middle water treatment station should be satisfied water water quality standard in the country.At present country put into effect all kinds of in the water water quality standard mainly contain " miscellaneous domestic water quality standard " that the Ministry of Construction issues (CJ25.1-89) with " reclaimed water reuse is in the standard of landscape water body " (CJ/T95-2000), specific design effluent quality index sees the following form.This engineering reference standard: " miscellaneous domestic water quality standard " (CJ25.1-89); " reclaimed water reuse is in the standard of landscape water body " (CJ/T95-2000); " architectural intermediate water design specifications " (CECS30:91); " water supply and drainage design manual-building water supply and drainage engineering "; " building water supply and drainage design specifications " (GBJ15-88/1997 version).
The design effluent quality
Illustrate:
(1) chlorine residue is meant pipe network tip chlorine content;
(2) " reclaimed water reuse is in the standard of landscape water body " chlorine content in (CJ/T95-2002) is got 1.0mg/L when summer, gets 0.2mg/L winter.
More than being national requirements, below is the water quality report that the ore deposit provides
08 year 04 month 16 days pit water examining report
| Index | Chemical oxygen demand (COD) | ??NH3-N | Suspended substance | ??PH |
| Numerical value | ??61.2 | ??3.338 | ??41 | ??8.41 |
08 year 05 month 27 days pit water examining report
| Index | Chemical oxygen demand (COD) | ??NH3-N | Suspended substance | ??PH |
| Numerical value | ??102 | ??2.207 | ??49 | ??8.56 |
According to above-mentioned mining area sewage data, the pit water suspension content of this area belongs to the pit water of intermediate concentration more than 100mg/L.Therefore biochemical treatment after needing to carry out flocculation sediment on handling just can reach final water purification purpose.
The water purifying plant that a lot of types are also arranged in the market wherein magnetizes water purifying plant and occupies certain ratio, and biochemical treatment is also taken the course of its own; Wherein magnetizing water purifying plant is by high-frequency resonance, with hydromagneticization, changes the structure of water molecules then, thereby reaches the feature of antiscale, scale removal, and this technology only is applicable to the water purification of water inlet such as small-sized boiler equipment; Biochemical treatment then is suitable for various types of water sources water purification, and still, single biochemical treatment often can not be played best water purification state, is difficult to reach the effect that final water quality meets middle water water quality when disposing of sewage.
Summary of the invention
Main task of the present invention is to provide a kind of mine water treatment technique, specifically is a kind ofly effectively to remove source of pollution and suspended solid in the water by biodegrade behind the flocculation sediment, reaches the purpose of purifying waste water.For this reason, the present invention also provides a kind of premix flocculation sedimentation tank.
In order to solve above technical problem, a kind of mine water treatment technique of the present invention, mainly be water quality and quantity with pit water carry out all with, tiny suspended solid then flips, acidification pool is separated in water inlet, by semi soft packing separate dirt and water source, the water source after handling then enters contact-oxidation pool, carries out catalytic oxidation under the effect of aerobe behind the acidication, organism in the degradation of sewage, water source after will degrading again precipitates, and separates the aging microbial film that aerobe comes off, and clear water flows to the Zhong Shui pond naturally, in the Zhong Shui pond, its water source carries out quartz sand filtration or activated carbon filtration again according to using character, finishes the whole mine water treatment procedure; It is characterized in that: described pit water carries out will carrying out the processing of premix flocculation sediment before the water quality and quantity mediation.
Further, described premix flocculation sediment is treated to: the polyacrylamide 1-2% that adds mine sewage gross weight in flocculation sedimentation tank earlier, post precipitation appears at solid suspension impurity such as organic pollutant and flyash, throw out is added polymerize aluminum chloride 10-15%, mix by mixing tank then, reacted 3-5 minute, form flocculent precipitate, the entrance pressure filter is isolated flocculent precipitate, and the water that obtains after the processing is arranged into equalizing tank.
The invention has the advantages that: begin just to carry out the premix flocculation sediment at pit water and handle,, pollutent and suspended substance in the water inlet of ore deposit are carried out preliminary treatment, reduced water quality and contained dirty more influence subsequent disposal by dosing.
Embodiment
Technology of the present invention is: behind pit water premix flocculation sediment, advance equalizing tank, carry out tentatively acidication, after changing organic macromole into small molecules, carry out the separation of suspended solid again by the mechanical grille pond, acidification pool is separated in water inlet then, after the acidifying that is hydrolyzed, carries out catalytic oxidation under the effect of aerobe, organism in the degradation of sewage, water source after will degrading again precipitates, and separates the aging microbial film that aerobe comes off, and clear water flows to the Zhong Shui pond naturally, in the Zhong Shui pond, its water source carries out quartz sand filtration or activated carbon filtration again according to using character, finishes the whole mine water treatment procedure.More than all in independent pond, each pond is separate for each process of Chu Liing, and pit water enters another pond from a pond, provides power with lift pump.
Concrete processing step is as follows:
At first, after pit water advances the sewage storage pool, carry with 3500m with lift pump
3Flow enters the premix flocculation sedimentation tank.
In premix flocculation sedimentation tank of the present invention, carry out the premix flocculation sediment, concrete steps are: the polyacrylamide 1-2% that adds mine sewage gross weight in flocculation sedimentation tank earlier, post precipitation appears at solid suspension impurity such as organic pollutant and flyash, throw out is added polymerize aluminum chloride 10-15%, mix by mixing tank then, reacted 3-5 minute, form flocculent precipitate, the entrance pressure filter is isolated, and the water that obtains after the processing is arranged into equalizing tank.
Because sewage comes the character of water to determine the water water yield to have ununiformity,, reduce impact load to the unitary influence of subsequent disposal so the water quality and quantity of equalizing tank with homogenizing sewage is set.Equalizing tank of the present invention is provided with φ 150 medium-soft spandex fiber filler 276m with the best that is configured to of 4.2 * 21.9 * 4.8m in the pond
3The oxygen in the water is promptly transferred in this mine sewage hydrolyzing acidifying, and the part aerobic bacteria is deadly, and the anerobe of having by oneself in the sewage makes organic matter constantly be converted into methane gas by the organism in the conventional anaerobic reaction digestion sewage then.
This equalizing tank is owing to made anaerobic environment; also taken into account the effect of acidication mine sewage in fact; in the filler established; the organism that part is degraded by anerobe is attached to and isolates the water source on the filler; promptly alleviated the unitary processing load of subsequent disposal; prevented that effectively equalizing tank from distributing foul smell, the protection surrounding enviroment.
Effusive pit water is equally with 3500m from equalizing tank
3Flow through the mechanical grille pond, be 5mm with the grizzly bar gap, the grid of grid width 1000mm is mounted in the grating tank with 70 ° angle, carries out more tiny solids and carries out filtering separation, enters the acidication treating pond then.Acidication treating pond of the present invention is 5.0 * 12.6 * 4.8m structure, in establish submersible agitator, φ 150 medium-soft spandex fiber filler and water distributors, described return-flow type water distributor is located at water-in, water-in of the present invention is 3, be distributed on a side of acidication treating pond, medium-soft spandex fiber filler is distributed in the pond, and submersible agitator stirs in the pond.
In the whole process of acidication, also be anaerobic, its reaction process is identical with reaction process in the equalizing tank, further removes the organism in the water, and generally the result who handles in this pond is that 30% COD removes.
The acidication processing unit can obtain higher organic removal rate with less investment and working cost, improve the biodegradability of sewage, reduce the suspension content in the sewage, and can effectively reduce the excess sludge production of total system, hydrolysis acidification pool is double as water yield equalizing tank also.
In having adopted, establishes this programme the acidication processing unit of filler and submersible agitator.Filler can effectively improve the sludge concentration in the acidication unit, makes sludge concentration reach 18-22%; Thereby organic removal efficient in the raising sewage; According to other sewage disposal service experience, this engineering has increased acidication processing unit volume, thereby improves denitrification effect; Submersible agitator has guaranteed that interior sewage of acidication processing unit and mud mix, and prevent cutout.
Handle through acidication, the organism that anerobe can be decomposed all can effectively be degraded, but, need be still waiting further degraded by the organism of aerobic biodegradation, in ensuing processing, what adopt is that contact oxidation method is handled, more thorough in order to handle, and contact oxidation method is handled and is divided into two-stage.
First step catalytic oxidation is treated to: establish the semi soft packing 161m identical with above step in contact-oxidation pool
3, be provided with aerator at this water-in that touches oxidation pond, to 3500m
3The mine sewage that/d flow flows to carries out aeration, and the volume ratio of aeration rate and water is 20: 1.This aeration is handled and is made mine sewage fully contain oxygen, and aerobe contains oxygen at this and under environment the organism in the water decomposed fully, and this process is conventional biodegradation process, no longer specifically describes at this.
Organism after the degraded forms active mud, and is on filler, separated.
For can remaining organic matter degradation is more thorough, it is identical that the treatment process that second stage catalytic oxidation is handled and first step catalytic oxidation are handled, further degradation of organic substances and separate with filler, and it is zero that its COD content is trended towards.
After having carried out above acidication reaction and the processing of two-stage catalytic oxidation, mine sewage itself suspended solid and the disadvantageous organism of environment almost cleaned out, water quality also is close to the relevant water coolant of country and the standard of boiler feed water, but, because aerobe also has the aged microbial film to break away from degradation process, therefore, go out microbial film at the inferior settling tank precipitation separation that enters into.
Settling tank among the present invention is the ramp type settling tank, its swash plate in the pond setting angle 45-75 °, the spacing of swash plate is 50-120mm, the mine sewage that comes out in the contact-oxidation pool enters settling tank from the below water-in, in the process of upwards water inlet, by microbial film in the sloping plate deposition water and tiny mud impurity thereof, clear water is separated.
Water pond in the middle of entering from the effusive clear water of settling tank, the effect of intermediate pool mainly be in the balance previous process discharge at 3500m
3/ d, and the less situation of filter flooding velocity of back.
Water in the intermediate pool enters the direct filtration program: with 75m
3The flow of/d enters quartz sand filtration device and activated charcoal filter successively, in these two strainers, carry out conventional back flushing and absorption, further filter fine suspension, guarantee that every water quality reaches the index of boiler feed water or water coolant, finishes the whole mine sewage treatment process.In order to save the water source, the water of back flushing again by pipe-line transportation to equalizing tank, utilize again.
Claims (2)
1. mine water treatment technique, mainly be water quality and quantity with pit water carry out all with, remove tiny suspended solid then, the acidification pool acidifying that is hydrolyzed is separated in water inlet, then by the reacted organism of medium-soft spandex fiber filler adheres, again the mine sewage of handling is entered contact-oxidation pool, under the effect of aerobe, carry out the organism in the degradation of sewage, water source after the degraded is precipitated, separate the aging microbial film that aerobe comes off, clear water flows to the Zhong Shui pond naturally, in the Zhong Shui pond, its water source carries out quartz sand filtration or activated carbon filtration again according to using character, finishes the whole mine water treatment procedure; It is characterized in that: described pit water carries out will carrying out the processing of premix flocculation sediment before the water quality and quantity mediation.
2. a kind of mine water treatment technique according to claim 1, it is characterized in that: described premix flocculation sediment is treated to: the polyacrylamide 1-2% that adds mine sewage gross weight in flocculation sedimentation tank earlier, post precipitation appears at solid suspension impurity such as organic pollutant and flyash, throw out is added polymerize aluminum chloride 10-15%, mix by mixing tank then, reacted 3-5 minute, form flocculent precipitate, the entrance pressure filter is isolated flocculent precipitate, and the water that obtains after the processing is arranged into equalizing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102594747A CN101786760B (en) | 2009-12-22 | 2009-12-22 | Mine water treatment technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102594747A CN101786760B (en) | 2009-12-22 | 2009-12-22 | Mine water treatment technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101786760A true CN101786760A (en) | 2010-07-28 |
| CN101786760B CN101786760B (en) | 2012-02-01 |
Family
ID=42530161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102594747A Expired - Fee Related CN101786760B (en) | 2009-12-22 | 2009-12-22 | Mine water treatment technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101786760B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515386A (en) * | 2011-12-01 | 2012-06-27 | 徐州明光环境设备有限公司 | Automatic mine water treatment process |
| CN102786186A (en) * | 2012-08-09 | 2012-11-21 | 杨德敏 | Shale gas fracturing flow-back waste liquid treatment method |
| CN102826725A (en) * | 2012-09-20 | 2012-12-19 | 江苏艾特克环境工程有限公司 | Coal mine wastewater membrane treatment device and method |
| CN103145271A (en) * | 2013-03-27 | 2013-06-12 | 山西潞安矿业(集团)有限责任公司 | Mine sewage treatment process for water purification station of thermal power plant |
| CN104445734A (en) * | 2014-11-25 | 2015-03-25 | 中国矿业大学(北京) | Method and device for removing residual aluminum in mine water |
| CN111921719A (en) * | 2020-07-08 | 2020-11-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for reducing water content of copper concentrate in ore grinding-flotation process |
-
2009
- 2009-12-22 CN CN2009102594747A patent/CN101786760B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515386A (en) * | 2011-12-01 | 2012-06-27 | 徐州明光环境设备有限公司 | Automatic mine water treatment process |
| CN102786186A (en) * | 2012-08-09 | 2012-11-21 | 杨德敏 | Shale gas fracturing flow-back waste liquid treatment method |
| CN102826725A (en) * | 2012-09-20 | 2012-12-19 | 江苏艾特克环境工程有限公司 | Coal mine wastewater membrane treatment device and method |
| CN103145271A (en) * | 2013-03-27 | 2013-06-12 | 山西潞安矿业(集团)有限责任公司 | Mine sewage treatment process for water purification station of thermal power plant |
| CN104445734A (en) * | 2014-11-25 | 2015-03-25 | 中国矿业大学(北京) | Method and device for removing residual aluminum in mine water |
| CN111921719A (en) * | 2020-07-08 | 2020-11-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for reducing water content of copper concentrate in ore grinding-flotation process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101786760B (en) | 2012-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102976566B (en) | System and method for treating high-concentration landfill leachate in aerobic composting site | |
| CN102107988B (en) | Phenol-amine wastewater treatment and recycling method and device | |
| CN101786760B (en) | Mine water treatment technique | |
| CN101234836A (en) | Garbage percolate treatment technique | |
| CN110818205A (en) | System and process for reducing concentration of pollutants in steel comprehensive wastewater | |
| CN112591951A (en) | Catalytic electrolysis purification system and purification method for municipal sewage | |
| CN113620541A (en) | System and method for cooperatively treating brewing wastewater and low-carbon domestic sewage | |
| CN201746432U (en) | Apparatus for strengthening treatment of coking waste water | |
| CN101786724A (en) | Technology for processing domestic sewage into normal water | |
| CN114291942A (en) | Catalytic electrolysis municipal sewage purification system and purification method | |
| CN1760138A (en) | Method for treating waste water of mine by using fly ash | |
| CN112707603A (en) | Deep purification and recycling system and method for municipal sewage | |
| CN116835824A (en) | Comprehensive sewage treatment system based on surface quasi-four water standards | |
| CN109775936B (en) | Low-energy-consumption domestic sewage treatment system | |
| CN209835881U (en) | Distributed household type integrated sewage treatment device suitable for rural areas | |
| CN216639208U (en) | Integrated domestic sewage treatment equipment | |
| CN108862969A (en) | A kind of sewage treatment process of activated sludge process excess sludge reduction | |
| CN212559887U (en) | Water body deep purification system based on electrolytic denitrification and MBR | |
| CN201280478Y (en) | Starch wastewater ecological purification system | |
| CN113501620A (en) | Municipal sewage purification and regeneration system and method based on anaerobic and electrolytic denitrification | |
| CN111875191A (en) | Water body deep purification system and method based on electrolytic denitrification and MBR | |
| CN102249492B (en) | Processing method of lamivudine wastewater | |
| CN112707600A (en) | Treatment method of barbituric acid production wastewater by taking dimethyl malonate and urea as raw materials | |
| CN1132789C (en) | City sewage treatment technology | |
| CN219384939U (en) | Novel garbage transfer station leachate treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20141222 |
|
| EXPY | Termination of patent right or utility model |