CN106277563A - Garbage percolation liquid treating system - Google Patents

Garbage percolation liquid treating system Download PDF

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Publication number
CN106277563A
CN106277563A CN201610623721.7A CN201610623721A CN106277563A CN 106277563 A CN106277563 A CN 106277563A CN 201610623721 A CN201610623721 A CN 201610623721A CN 106277563 A CN106277563 A CN 106277563A
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CN
China
Prior art keywords
biochemical treatment
pvdf
reactive tank
polyvinylidene fluoride
treating system
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.)
Pending
Application number
CN201610623721.7A
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Chinese (zh)
Inventor
黄付平
覃科文
黄枰
宋红军
韩彪
莫雅圆
黎铉海
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Scientific Research Academy of Guangxi Environmental Protection
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Scientific Research Academy of Guangxi Environmental Protection
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Publication date
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Priority to CN201610623721.7A priority Critical patent/CN106277563A/en
Publication of CN106277563A publication Critical patent/CN106277563A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06Contaminated groundwater or leachate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a kind of garbage percolation liquid treating system, including the regulating reservoir being sequentially connected with, biochemical treatment apparatus and reverse osmosis unit, it is characterized in that, it is provided with polyvinylidene fluoride (PVDF) ultrafiltration membrane device between described regulating reservoir and described biochemical treatment apparatus, between described biochemical treatment apparatus and described reverse osmosis unit, is provided with heavy metal ion chemistry removal device.This can fully remove the float in percolate and hardness ions.

Description

Garbage percolation liquid treating system
Technical field
The invention belongs to technical field of waste treatment, relate to a kind of garbage percolation liquid treating system.
Background technology
Percolate refers to derive from moisture, the sleet water of entrance landfill yard that in refuse landfill, rubbish itself contains And other moisture, it is a kind of complicated component, float is many, organic concentration is high and pollutant kind is many, heavy metal ion content High waste water.Percolate is the secondary pollution produced during garbage loading embeading, if not dealing carefully with and directly discharging, and will Environment can be caused severe contamination.
Processing method currently for percolate mainly has sedimentation, biological treatment, land law etc. and combinations thereof Method.Before percolate is carried out biochemical treatment, the pretreatment typically carried out has the sedimentation method, utilizes sedimentation tank to isolate solid Body impurity, carries out biochemical treatment to percolate the most again.But the float in percolate is the most fully located Reason, often blocks the permeable membrane of various types of films device follow-up film processing stage.It addition, in bio-chemical effluent containing substantial amounts of firmly Degree ion, such as calcium ion, magnesium ion etc., can easily fouling as directly carried out reverse-osmosis treated.Using nanofiltration system is that comparison is normal See the method removing hardness ions, but it is the lowest to magnesium ion rejection, thus the percolate high to magnesium ion content The removal effect of middle hardness ions is the best.
Summary of the invention
The technical problem to be solved in the present invention is to overcome shortcoming of the prior art, it is provided that one can fully remove oil removal And the garbage percolation liquid treating system of hardness ions.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of garbage percolation liquid treating system, including the regulating reservoir being sequentially connected with, biochemical treatment apparatus and reverse osmosis unit, Polyvinylidene fluoride (PVDF) ultrafiltration membrane device, described biochemical treatment apparatus and institute it is provided with between described regulating reservoir and described biochemical treatment apparatus Stating and be provided with heavy metal ion chemistry removal device between reverse osmosis unit, described polyvinylidene fluoride (PVDF) ultrafiltration membrane device includes circulation Pump, polyvinylidene fluoride (PVDF) ultrafiltration membrane and the anti-pump that cleans, described circulating pump and polyvinylidene fluoride (PVDF) ultrafiltration membrane are sequentially arranged in the defeated of regulating reservoir Going out on the pipeline between end and biochemical treatment apparatus, described anti-cleaning pump passes through pipeline and described polyvinylidene fluoride (PVDF) ultrafiltration membrane phase Even, described heavy metal ion chemistry removal device includes reactive tank and alkali delivery device, one end of described reactive tank and described life Change processing means water side be connected, the other end is connected with described reverse osmosis unit, described alkali delivery device be connected to described instead Answer groove.
Further improvement as technique scheme:
Described heavy metal ion chemistry removal device also includes the equipment for separating liquid from solid being connected with described reactive tank.
Described equipment for separating liquid from solid is the micro-filtration membrane being located in described reactive tank.
Described equipment for separating liquid from solid is the filter tank being located between described reactive tank and reverse osmosis unit, in described filter tank It is provided with micro-filtration membrane.
Described garbage percolation liquid treating system also includes the slurry collecting dress being connected with described reactive tank or filter tank bottom Put.
Compared with prior art, it is an advantage of the current invention that:
1, the garbage percolation liquid treating system of the present invention, arranged polyvinylidene fluoride (PVDF) ultrafiltration membrane dress before biochemical treatment apparatus Put, percolate is carried out pretreatment, conventional filtration system can be replaced, make the float in percolate be filled Point filtering, polyvinylidene fluoride (PVDF) ultrafiltration membrane has special stain resistance, it is possible to make float only accumulate in the surface of film without It is deep into membranous wall, it is easy to clean;And this film decay resistance is high, service life is long;
2, the garbage percolation liquid treating system of the present invention, arranged heavy metal ion chemistry before biochemical treatment apparatus and removes Device, due to during biochemical treatment Organic substance decompose produce carbon dioxide be dissolved in sewage generate substantial amounts of bicarbonate radical from Son, adds basic agent in the percolate after biochemical treatment and the bicarbonate radical in sewage can be changed into carbonate, Carbanion can be combined precipitation with the hardness ions in sewage, so that hardness ions separates out, so with the form of solid particle After, by the solid particle of the most removable precipitation of solid-liquid separation.
Accompanying drawing explanation
Fig. 1 is garbage percolation liquid treating system of the present invention.
Label declaration in figure:
1, regulating reservoir;2, polyvinylidene fluoride (PVDF) ultrafiltration membrane device;21, circulating pump;22, polyvinylidene fluoride (PVDF) ultrafiltration membrane;23, the most clear Wash pump;3, biochemical treatment apparatus;4, heavy metal ion chemistry removal device;41, reactive tank;42, alkali delivery device;43, mud Collection device;5, reverse osmosis unit.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but the most therefore and Limit the scope of the invention.
As it is shown in figure 1, a kind of garbage percolation liquid treating system, including the regulating reservoir 1 being sequentially connected with, Kynoar ultrafiltration Film device 2, biochemical treatment apparatus 3, heavy metal ion chemistry removal device 4 and reverse osmosis unit 5.Polyvinylidene fluoride (PVDF) ultrafiltration membrane fills Putting 2 and include circulating pump 21, polyvinylidene fluoride (PVDF) ultrafiltration membrane 22 and anti-cleaning pump 23, circulating pump 21 and polyvinylidene fluoride (PVDF) ultrafiltration membrane 22 depend on On pipeline between the secondary outfan being located at regulating reservoir 1 and biochemical treatment apparatus 3, the anti-pump 23 that cleans is gathered partially with described by pipeline Fluoride ultrafiltration membrane 22 is connected.During use, ON cycle pump 21, under the ordering about of pressure and speed, passes through polyvinylidene fluoride Alkene ultrafilter membrane 22 can make suspended solid material separate with liquid, and polyvinylidene fluoride (PVDF) ultrafiltration membrane 22 is constantly carried out clearly by the anti-pump 23 that cleans Washing process, the filtrate after filtration is sent into biochemical treatment apparatus 3 by pipeline and is carried out biochemical treatment.This Kynoar is used to surpass Filter membrane device 2 carries out pretreatment to percolate, can replace conventional filtration system, make the float in percolate Fully being filtered, polyvinylidene fluoride (PVDF) ultrafiltration membrane 22 has special stain resistance, it is possible to make float only accumulate in the table of film Face is without being deep into membranous wall, it is easy to clean;And this film decay resistance is high, service life is long.
Heavy metal ion chemistry removal device 4 includes reactive tank 41 and alkali delivery device 42, one end of reactive tank 41 and life The water side changing processing means 3 is connected, and the other end is connected with described reverse osmosis unit 5, and described alkali delivery device 42 is connected to institute State reactive tank 41.Owing to during biochemical treatment, Organic substance decomposes and produces carbon dioxide and be dissolved in sewage and generate substantial amounts of bicarbonate Radical ion, adds basic agent in the percolate after biochemical treatment and the bicarbonate radical in sewage can be changed into carbonic acid Root, carbanion can be combined precipitation with the hardness ions in sewage, so that hardness ions separates out with the form of solid particle, Then, by the solid particle of the most removable precipitation of solid-liquid separation.
In the present embodiment, the micro-filtration membrane being provided with in reactive tank 41, use micro-filtration membrane can realize solid-liquid separation, through solid-liquid separation The supernatant obtained is carried out reverse-osmosis treated by pipeline output to reverse osmosis unit 5.Micro-filtration membrane can be poly tetrafluoroethylene.
In a further embodiment, the filter tank of band micro-filtration membrane can be set between reactive tank 41 and reverse osmosis unit 5, Can reach similar effect.
Furthermore it is possible to connect slurry collecting device 43 at reactive tank 41 or filter tank bottom.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement Example.All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It it is noted that for the art Those of ordinary skill for, improvements and modifications under the premise without departing from the principles of the invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (5)

1. a garbage percolation liquid treating system, including the regulating reservoir (1) being sequentially connected with, biochemical treatment apparatus (3) and reverse osmosis Device (5), it is characterised in that be provided with polyvinylidene fluoride (PVDF) ultrafiltration membrane between described regulating reservoir (1) and described biochemical treatment apparatus (3) Device (2), is provided with heavy metal ion chemistry removal device between described biochemical treatment apparatus (3) and described reverse osmosis unit (5) (4), described polyvinylidene fluoride (PVDF) ultrafiltration membrane device (2) includes circulating pump (21), polyvinylidene fluoride (PVDF) ultrafiltration membrane (22) and counter cleans pump (23), described circulating pump (21) and polyvinylidene fluoride (PVDF) ultrafiltration membrane (22) are sequentially arranged in outfan and the biochemical treatment of regulating reservoir (1) On pipeline between device (3), described anti-cleaning pump (23) is connected with described polyvinylidene fluoride (PVDF) ultrafiltration membrane (22) by pipeline, institute State heavy metal ion chemistry removal device (4) and include reactive tank (41) and alkali delivery device (42), the one of described reactive tank (41) End is connected with the water side of described biochemical treatment apparatus (3), and the other end is connected with described reverse osmosis unit (5), and described alkali is thrown in Device (42) is connected to described reactive tank (41).
Garbage percolation liquid treating system the most according to claim 1, it is characterised in that described heavy metal ion chemistry is removed Device (4) also includes the equipment for separating liquid from solid being connected with described reactive tank (41).
Garbage percolation liquid treating system the most according to claim 2, it is characterised in that described equipment for separating liquid from solid is for being located at Micro-filtration membrane in described reactive tank (41).
Garbage percolation liquid treating system the most according to claim 3, it is characterised in that described equipment for separating liquid from solid is for being located at Filter tank between described reactive tank (41) and reverse osmosis unit (5), is provided with micro-filtration membrane in described filter tank.
Garbage percolation liquid treating system the most according to claim 4, it is characterised in that also include and described reactive tank (41) Or the slurry collecting device (43) that filter tank bottom connects.
CN201610623721.7A 2016-07-25 2016-07-25 Garbage percolation liquid treating system Pending CN106277563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610623721.7A CN106277563A (en) 2016-07-25 2016-07-25 Garbage percolation liquid treating system

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Application Number Priority Date Filing Date Title
CN201610623721.7A CN106277563A (en) 2016-07-25 2016-07-25 Garbage percolation liquid treating system

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Publication Number Publication Date
CN106277563A true CN106277563A (en) 2017-01-04

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Publication number Priority date Publication date Assignee Title
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CN102649616A (en) * 2012-05-09 2012-08-29 天津凯铂能膜工程技术有限公司 Comprehensive treatment method for garbage leachate
CN103449664A (en) * 2013-08-14 2013-12-18 南京万德斯环保科技有限公司 Treatment method of landfill leachate
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