CN109502827A - Suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine - Google Patents
Suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine Download PDFInfo
- Publication number
- CN109502827A CN109502827A CN201811615279.9A CN201811615279A CN109502827A CN 109502827 A CN109502827 A CN 109502827A CN 201811615279 A CN201811615279 A CN 201811615279A CN 109502827 A CN109502827 A CN 109502827A
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- China
- Prior art keywords
- waste water
- phosphorus
- suspended matter
- innocent treatment
- matter method
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The present invention provides suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine, comprising the following steps: the heeling condition that control ore bed inclination is 8-15 ° forms the U-shaped sedimentation basin of tilting of large volume in rooming；Waste water enters advection sedimentation area after flowing into the filtering of the block slag blocking wall before U-shaped sedimentation basin through setting up, and the above suspended particulate substance of partial size 0.5mm is made to be deposited in slag blocking wall largely with exterior domain；The carbonaceous shale that seam floor is added in advection sedimentation area, adsorbs partial size 0.5mm suspended particulate substance below, and the dust suppression water of driving or stope without water burst is used as after detection is up to standard.The pelelith that the seam floor carbonaceous shale can also be modified for poly-ferric chloride, wherein the addition quality of poly-ferric chloride is 5-0%.The modified pelelith suction-operated of poly-ferric chloride is strong, while can agglomerate flocculating after the impurity absorption within 0.1-0.5mm, and then remove after being floated.
Description
The present invention provides a kind for the treatment of process of waste water, the specially harmless treatment of the suspended matter in phosphorus ore waste water of mine
Technique.
Background technique
Yichang phosphate rock has stepped into deep mining, and ore bed is lain concealed in River Bank Erosion datum level hereinafter, exploiting
It is generally generated with waste water in journey, its main feature is that one side wastewater flow rate is big, processing difficulty is high, and operating cost is high, at present mine
Sedimentation basin mostly is built in earth's surface, by discharging after addition flocculant precipitating, occupies the industrial working useful space significantly；It is another
Aspect, the waste water discharged without advanced treating have serious damage to ambient enviroment or even downstream environment water.Phosphorus From Wastewater
Exist usually in the form of orthophosphates, condensed phosphate and a small amount of organic phosphorus compound, due to the one-way flow of waste water, relatively
The requirement waste water needs of environmental protection are effectively handled, but fluctuation due to mine water and medicament addition not yet fully achieve oneself
Dynamicization causes have phenomenon not up to standard when sewage, damages downstream water.How to realize harmless treatment waste water of mine, improves environmental protection effect
Benefit is urgent problem.
Summary of the invention
To solve the above-mentioned problems, suspended matter and the physical sedimentation without reagent in the effective processing waste water of one kind are provided
Method solves the problems, such as that waste water flocculating precipitates cost, while roadway dust suppression recycles after waste water harmless treatment, reduces environmental protection
Pressure achievees the purpose that improve the performance of enterprises.
To achieve the goals above, the present invention adopts the following technical scheme:
Suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine, comprising the following steps:
(1) heeling condition that control ore bed inclination is 8-15 °, forms the U-shaped sedimentation basin of tilting of large volume in rooming；
Using the heeling condition, the speed that can control waste water and bottom sludge to enter.
(2) waste water enters advection sedimentation area after flowing into the filtering of the block slag blocking wall before U-shaped sedimentation basin through setting up, and makes partial size
0.5mm or more suspended particulate substance is deposited in slag blocking wall largely with exterior domain；
(3) carbonaceous shale that seam floor is added in advection sedimentation area adsorbs partial size 0.5mm suspended particulate substance below, warp
Detect the rear dust suppression water for being used as driving or stope without water burst up to standard.
It gradually being moved down with the propulsion sedimentation basin of back production progress, on the one hand precipitating suspended matter is used for the natural filling in goaf,
The phosphorous higher particle in part recycles.
The block slag blocking wall is that 3-tier architecture assembles；It is followed successively by phosphorus slag bisque, Flyash Layer, mud from outside to inside
Layer, wherein phosphorus slag bisque, Flyash Layer, mud layer are doped with flocculant and activity excitant.Activity excitant is carboxymethyl
Benzene sulfonic acid sodium salt.
The phosphorus slag bisque, Flyash Layer, mud layer thickness be followed successively by 0.5-2mm, 2-4mm, 4-6mm.
The flocculant is polyacrylic acid, the mannitol that sodium carboxymethylcellulose, the mannitol that mannitol is modified are modified
One of modified polyacrylamide or a variety of combinations.
The additive amount of the flocculant is the 3-5% of phosphorus slag bisque or Flyash Layer or mud layer quality.
In the phosphorus slag powder phosphorus slag powder granularity be 10-15mm, in flyash fly ash grain degree be 5-10mm, mud
Middle mud partial size is 3mm or less.
The phosphorus slag powder or flyash or mud the excitation material easily in activity excitant in the presence of water
The lower crystallization aquation such as network-like, the cotton-shaped calcic Silica hydrogel with cementitiousness and calcium base hexagonal flake object that generates of material effect produces
Object,
Flocculant (the modified polypropylene of the modified polyacrylic acid of the modified sodium carboxymethylcellulose of mannitol, mannitol, mannitol
One of amide or a variety of combinations) substance with certain swelliong power is generated in water, these bulking substances can be with
Substantially improve excessively high viscosity, mobility and filling effect；Surfactant in active additive can improve to greatest extent
The composite performance of phosphorus slag powder or flyash or mud and flocculant is that sewage impurity part comb stays in other than advection sedimentation area,
To remove the impurity part of 0.5mm or more.
The seam floor carbonaceous shale can also be modified for poly-ferric chloride pelelith, wherein poly-ferric chloride
Addition quality is 5-0%.The modified pelelith suction-operated of poly-ferric chloride is strong, while can inhale the impurity within 0.1-0.5mm
Attached flocculation agglomeration, and then removed after being floated.
Detailed description of the invention
Fig. 1 is the U-shaped sedimentation basin main view of tilting, wherein 1. advection sedimentation areas, 2. slag blocking walls, 3.U type sedimentation basin.
Fig. 2 is the U-shaped sedimentation basin left view of tilting, wherein 1. advection sedimentation areas, 2. slag blocking walls, 3.U type sedimentation basin.
Specific embodiment
Embodiment 1
Suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine, comprising the following steps:
(1) heeling condition that control ore bed inclination is 10 °, forms the U-shaped sedimentation basin of tilting of large volume in rooming；
(2) waste water flow into the block slag blocking wall before U-shaped sedimentation basin through setting up filtering after enter advection sedimentation area, make partial size 0.5mm with
Upper suspended particulate substance is deposited in slag blocking wall largely with exterior domain；
(3) carbonaceous shale that seam floor is added in advection sedimentation area adsorbs partial size 0.5mm suspended particulate substance below, warp
Detect the rear dust suppression water for being used as driving or stope without water burst up to standard.
Building slag blocking wall is that 3-tier architecture assembles；It is followed successively by phosphorus slag bisque, Flyash Layer, mud layer from outside to inside, wherein
Phosphorus slag bisque, Flyash Layer, mud layer are doped with flocculant and activity excitant.
The phosphorus slag bisque, Flyash Layer, mud layer thickness be followed successively by 0.5-1mm, 2-3mm, 4-5mm.
The flocculant is the modified sodium carboxymethylcellulose of mannitol.The additive amount of the flocculant is phosphorus slag powder
The 3.2% of layer or Flyash Layer or mud layer quality.The activity excitant is carboxymethyl benzene sulfonic acid sodium salt.
Wherein phosphorus slag powder granularity is 10-15mm in phosphorus slag powder, fly ash grain degree is 5-10mm, in mud in flyash
Mud partial size is 3mm or less.
By adopting the above technical scheme, the standard of environmental requirement early period is suspended matter 70mg/L, total phosphorus 0.5mg/L, U-shaped precipitating
On-line checking average value about suspended matter 10mg/L before Chi Wei comes into operation, total phosphorus 0.4mg/L, after U-shaped sedimentation basin is general, discharge of wastewater inspection
Survey result is suspended matter 7mg/L, and total phosphorus 0.23mg/L, effect is preferable, and the discharge standard that later period environmental protection administration improves total phosphorus is
0.3mg/L, also can qualified discharge in the case where not increasing flocculant.
Embodiment 2
Suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine, comprising the following steps:
(1) heeling condition that control ore bed inclination is 10 °, forms the U-shaped sedimentation basin of tilting of large volume in rooming；
(2) waste water flow into the block slag blocking wall before U-shaped sedimentation basin through setting up filtering after enter advection sedimentation area, make partial size 0.5mm with
Upper suspended particulate substance is deposited in slag blocking wall largely with exterior domain；
(3) the modified pelelith of poly-ferric chloride is added in advection sedimentation area, wherein the addition quality of poly-ferric chloride is 5-
0%, partial size 0.5mm suspended particulate substance below is adsorbed, the suppression of driving or stope without water burst is used as after detection is up to standard
Dirt water.
Building slag blocking wall is that 3-tier architecture assembles；It is followed successively by phosphorus slag bisque, Flyash Layer, mud layer from outside to inside, wherein
Phosphorus slag bisque, Flyash Layer, mud layer are doped with flocculant and activity excitant.
The phosphorus slag bisque, Flyash Layer, mud layer thickness be followed successively by 1-2mm, 3-4mm, 5-6mm.
The flocculant is the modified polyacrylic acid of mannitol.
The additive amount of the flocculant is the 4.2% of phosphorus slag bisque or Flyash Layer or mud layer quality.Activity excitation
Agent is carboxymethyl benzene sulfonic acid sodium salt.Phosphorus slag powder granularity is 10-15mm in phosphorus slag powder, fly ash grain degree is 5- in flyash
Mud partial size is 3mm or less in 10mm, mud.
By adopting the above technical scheme, the standard of environmental requirement early period is suspended matter 70mg/L, total phosphorus 0.5mg/L, U-shaped precipitating
On-line checking average value about suspended matter 10mg/L before Chi Wei comes into operation, total phosphorus 0.4mg/L, after U-shaped sedimentation basin is general, discharge of wastewater inspection
Survey result is suspended matter 4.5mg/L, and total phosphorus 0.2mg/L, effect is preferable, and the discharge standard that later period environmental protection administration improves total phosphorus is
0.22mg/L, also can qualified discharge in the case where not increasing flocculant.
Claims (8)
1. suspended matter method for innocent treatment in a kind of phosphorus ore waste water of mine, which comprises the following steps:
(1) heeling condition that control ore bed inclination is 8-15 °, forms the U-shaped sedimentation basin of tilting of large volume in rooming；
(2) waste water flow into the block slag blocking wall before U-shaped sedimentation basin through setting up filtering after enter advection sedimentation area, make partial size 0.5mm with
Upper suspended particulate substance is deposited in slag blocking wall largely with exterior domain；
(3) carbonaceous shale that seam floor is added in advection sedimentation area adsorbs partial size 0.5mm suspended particulate substance below, warp
Detect the rear dust suppression water for being used as driving or stope without water burst up to standard.
2. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 1, which is characterized in that build pushing off the slag
Wall is that 3-tier architecture assembles；It is followed successively by phosphorus slag bisque, Flyash Layer, mud layer from outside to inside, wherein phosphorus slag bisque, fine coal
Grieshoch, mud layer are doped with flocculant and activity excitant.
3. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 2, which is characterized in that described
Phosphorus slag bisque, Flyash Layer, mud layer thickness be followed successively by 0.5-2mm, 2-4mm, 4-6mm.
4. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 2, which is characterized in that described
Flocculant is the polyacrylamide that polyacrylic acid, the mannitol that sodium carboxymethylcellulose, the mannitol that mannitol is modified are modified are modified
One of amine or a variety of combinations.
5. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 4, which is characterized in that described
The additive amount of flocculant is the 3-5% of phosphorus slag bisque or Flyash Layer or mud layer quality.
6. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 4, which is characterized in that activity swashs
Hair agent is carboxymethyl benzene sulfonic acid sodium salt.
7. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 2, which is characterized in that phosphorus slag powder
Middle phosphorus slag powder granularity is 10-15mm, fly ash grain degree is 5-10mm in flyash, mud partial size is 3mm or less in mud.
8. suspended matter method for innocent treatment in phosphorus ore waste water of mine according to claim 1, which is characterized in that described
The pelelith that seam floor carbonaceous shale can also be modified for poly-ferric chloride, wherein the addition quality of poly-ferric chloride is 5-
0%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615279.9A CN109502827B (en) | 2018-12-27 | 2018-12-27 | Harmless treatment method for suspended matters in phosphate mine wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615279.9A CN109502827B (en) | 2018-12-27 | 2018-12-27 | Harmless treatment method for suspended matters in phosphate mine wastewater |
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| Publication Number | Publication Date |
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| CN109502827A true CN109502827A (en) | 2019-03-22 |
| CN109502827B CN109502827B (en) | 2021-12-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1461857A (en) * | 2002-05-30 | 2003-12-17 | 吕怀民 | Construction method and its use |
| CN102730885A (en) * | 2012-07-23 | 2012-10-17 | 中南大学 | Efficient flocculent precipitate purification method for polymetallic ore benefication wastewater |
| CN107892435A (en) * | 2017-11-22 | 2018-04-10 | 中国煤炭地质总局水文地质局 | Discarded small-size coal mine mine well head sewage combined treating method |
-
2018
- 2018-12-27 CN CN201811615279.9A patent/CN109502827B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1461857A (en) * | 2002-05-30 | 2003-12-17 | 吕怀民 | Construction method and its use |
| CN102730885A (en) * | 2012-07-23 | 2012-10-17 | 中南大学 | Efficient flocculent precipitate purification method for polymetallic ore benefication wastewater |
| CN107892435A (en) * | 2017-11-22 | 2018-04-10 | 中国煤炭地质总局水文地质局 | Discarded small-size coal mine mine well head sewage combined treating method |
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| CN109502827B (en) | 2021-12-03 |
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