CN106277563A - Garbage percolation liquid treating system - Google Patents
Garbage percolation liquid treating system Download PDFInfo
- 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
- Authority
- 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
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 18
- 238000005325 percolation Methods 0.000 title claims abstract description 16
- 239000002033 PVDF binder Substances 0.000 claims abstract description 41
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 22
- 150000002500 ions Chemical class 0.000 claims abstract description 21
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 17
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 11
- 238000001471 micro-filtration Methods 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 description 6
- -1 bicarbonate radical Chemical class 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/06—Contaminated groundwater or leachate
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610623721.7A CN106277563A (en) | 2016-07-25 | 2016-07-25 | Garbage percolation liquid treating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610623721.7A CN106277563A (en) | 2016-07-25 | 2016-07-25 | Garbage percolation liquid treating system |
Publications (1)
Publication Number | Publication Date |
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CN106277563A true CN106277563A (en) | 2017-01-04 |
Family
ID=57664063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610623721.7A Pending CN106277563A (en) | 2016-07-25 | 2016-07-25 | Garbage percolation liquid treating system |
Country Status (1)
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CN (1) | CN106277563A (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101234836A (en) * | 2008-02-20 | 2008-08-06 | 重庆钢铁集团三峰科技有限公司 | Garbage percolate treatment technique |
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2016
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