CN205328816U - Landfill leachate optimization processing system - Google Patents
Landfill leachate optimization processing system Download PDFInfo
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- CN205328816U CN205328816U CN201620039807.0U CN201620039807U CN205328816U CN 205328816 U CN205328816 U CN 205328816U CN 201620039807 U CN201620039807 U CN 201620039807U CN 205328816 U CN205328816 U CN 205328816U
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- filter
- denitrification
- filter press
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- sludge concentration
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Abstract
The utility model provides a landfill leachate optimization processing system. This system by filter press, sludge tihckener, filtration liquid equalizing basin, filter, hydrolysis -acidification pool, UASB reactor, SST reactor, membrane bioreactor, nitrify denitrification circulation system and ultrafiltration and receive the filter membrane and form, filtration liquid equalizing basin is connected on sludge tihckener's outlet pipe way, and sludge tihckener's water intake pipe is respectively with filter, UASB reactor with nitrify denitrification circulation system and be connected, connects filter press under another outlet pipe road direction of sludge tihckener, nitrifying denitrification circulation system and including denitrification jar, nitrating pot and external UF, external UF passes through the heat exchanger and connects the denitrification jar, the last cooling tower of installing of heat exchanger pipeline, and side fan is connected outside nitrating pot and the system. This system has high load capacity throughput, high ammonia -nitrogen concentration throughput, heavy metal ion and salt throughput, receives through the adoption and strains technologically and the combination of overall technology, and the quality of water after the processing reaches the tertiary requirement of discharging.
Description
Technical field
This utility model relates to refuse disposal system field, particularly relates to a kind of percolate optimization process system。
Background technology
Percolate is rubbish to be stacked and in landfill process due to the physics such as compacting, fermentation, biology, chemical action, and the seepage effect of precipitation and other outside waters, a kind of high concentration of generation comprise organic and inorganic constituents liquid。Percolate water quality is complicated, containing multiple toxic organicses such as polycyclic aromatic hydrocarbon, phthalic acid ester, pesticide and halogenated aromatic compounds, contains the various heavy such as chromium, lead, nickel, hydrargyrum simultaneously。Percolate is a kind of reluctant special water, existing processing method such as physico-chemical process, bioanalysis, recharges method, land treatment systems etc. and all can not get a desired effect, it would be highly desirable to develop better treatment technology。
Utility model content
This utility model provides a kind of percolate optimization process system, native system has high load capacity disposal ability, high NH_3-N treating ability, heavy metal ion and salt disposal ability, by adopting nanofiltration to be combined with overall craft, the water quality after process reaches three grades of emission requests。
The purpose of this utility model is achieved through the following technical solutions:
A kind of percolate optimization process system, this system is by filter press, sludge concentration tank and passes sequentially through leachate equalization basin, filter, hydrolysis acidification pool, UASB reactor, SST reactor, membrane bioreactor, nitration denitrification blood circulation and ultrafiltration NF membrane that pipeline connects and forms；It is characterized in that, the outlet pipeline of described sludge concentration tank connects leachate equalization basin, the inlet pipeline of described sludge concentration tank is connected with filter, UASB reactor and nitration denitrification blood circulation respectively, and another outlet pipeline of described sludge concentration tank is connected to downwards filter press；Described nitration denitrification blood circulation includes the denitrification tank, nitrating pot and the external UF that are sequentially connected with, and described external UF is connected to denitrification tank by heat exchanger, and described heat exchange manifold is installed cooling tower, and described nitrating pot is connected with the blower fan outside system。
Be provided with qualified discharge mouth in the water side of described ultrafiltration NF membrane, described filter press be connected with filter cake floss hole, described filter press is also circumscribed with filter cake incinerator。
Compared with prior art, this utility model at least has the advantage that
Percolate optimization process system of the present utility model, adopts " UASB reactor+membrane bioreactor (MBR)+nanofiltration " technique。Percolate through the precipitation of certain time, removes part float, organic pollution and heavy metal ion in waste water in leachate equalization basin；High concentration percolate is by transport pump to anaeration in normal temperature UASB reactor, degradable part COD, BOD5And heavy metal ion；Anaeration in normal temperature reactor water outlet enters integral type SST reactor, the water quality of balanced waste water and UASB reactor water outlet by flow by gravity, collects a small amount of mud that UASB reactor is likely to take out of, it is ensured that the sludge quantity of system, plays a process protection；SST reactor water outlet enters nitration denitrification blood circulation, removes the organic pollution of difficult degradation in waste water further, removes NH3-N, nitrite nitrogen, nitrate nitrogen and heavy metal ion and most suspended substances；The water outlet of nitrification inputs ultrafiltration, nanofiltration equipment by high-pressure pump, under the filtration of ultrafiltration NF membrane, is removed remaining persistent organic pollutants and metal ion and decolours, it is ensured that water quality reaching standard。
Accompanying drawing explanation
The structural representation of a kind of percolate optimization process system that Fig. 1 provides for this utility model embodiment。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
As shown in Figure 1, for a kind of percolate optimization process system that this utility model embodiment proposes, this system by filter press 1, sludge concentration tank 2 and pass sequentially through leachate equalization basin 3 that pipeline connects, filter 4, hydrolysis acidification pool 5, UASB reactor 6, SST reactor 7, membrane bioreactor 8, nitration denitrification blood circulation 8 and ultrafiltration NF membrane 9 form；It is characterized in that, the outlet pipeline of sludge concentration tank 2 connects leachate equalization basin 3, the inlet pipeline of sludge concentration tank 2 is connected with filter 4, UASB reactor 6 and nitration denitrification blood circulation 8 respectively, and another outlet pipeline of sludge concentration tank 2 is connected to downwards filter press 1；Nitration denitrification blood circulation 8 includes the denitrification tank 81, nitrating pot 82 and the external UF83 that are sequentially connected with, and external UF93 is connected to denitrification tank 81 by heat exchanger 10, and heat exchanger 10 pipeline is installed cooling tower 11, and nitrating pot 82 is connected with the blower fan 12 outside system。
Preferably, be provided with qualified discharge mouth in the water side of ultrafiltration NF membrane 9, filter press 1 be connected with filter cake floss hole, filter press 1 is also circumscribed with filter cake incinerator。
Compared with prior art, this utility model at least has the advantage that
Percolate optimization process system of the present utility model, adopts " UASB reactor+membrane bioreactor (MBR)+nanofiltration " technique。Percolate through the precipitation of certain time, removes part float, organic pollution and heavy metal ion in waste water in leachate equalization basin；High concentration percolate is by transport pump to anaeration in normal temperature UASB reactor, degradable part COD, BOD5And heavy metal ion；Anaeration in normal temperature reactor water outlet enters integral type SST reactor, the water quality of balanced waste water and UASB reactor water outlet by flow by gravity, collects a small amount of mud that UASB reactor is likely to take out of, it is ensured that the sludge quantity of system, plays a process protection；SST reactor water outlet enters nitration denitrification blood circulation, removes the organic pollution of difficult degradation in waste water further, removes NH3-N, nitrite nitrogen, nitrate nitrogen and heavy metal ion and most suspended substances；The water outlet of nitrification inputs ultrafiltration, nanofiltration equipment by high-pressure pump, under the filtration of ultrafiltration NF membrane, is removed remaining persistent organic pollutants and metal ion and decolours, it is ensured that water quality reaching standard。
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model。Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims。
Claims (2)
1. a percolate optimization process system, this system by filter press, sludge concentration tank and pass sequentially through leachate equalization basin that pipeline connects, filter, hydrolysis acidification pool, UASB reactor, SST reactor, membrane bioreactor, nitration denitrification blood circulation and ultrafiltration NF membrane form；It is characterized in that, the outlet pipeline of described sludge concentration tank connects leachate equalization basin, the inlet pipeline of described sludge concentration tank is connected with filter, UASB reactor and nitration denitrification blood circulation respectively, and another outlet pipeline of described sludge concentration tank is connected to downwards filter press；Described nitration denitrification blood circulation includes the denitrification tank, nitrating pot and the external UF that are sequentially connected with, and described external UF is connected to denitrification tank by heat exchanger, and described heat exchange manifold is installed cooling tower, and described nitrating pot is connected with the blower fan outside system。
2. a kind of percolate optimization process system as claimed in claim 1, it is characterized in that, be provided with qualified discharge mouth in the water side of described ultrafiltration NF membrane, described filter press be connected with filter cake floss hole, described filter press is also circumscribed with filter cake incinerator。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039807.0U CN205328816U (en) | 2016-01-15 | 2016-01-15 | Landfill leachate optimization processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039807.0U CN205328816U (en) | 2016-01-15 | 2016-01-15 | Landfill leachate optimization processing system |
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| CN205328816U true CN205328816U (en) | 2016-06-22 |
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| CN201620039807.0U Active CN205328816U (en) | 2016-01-15 | 2016-01-15 | Landfill leachate optimization processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746149A (en) * | 2017-06-04 | 2018-03-02 | 江苏沃尔特环保有限公司 | A kind of New-type refuse vehicle percolation liquid treating system |
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2016
- 2016-01-15 CN CN201620039807.0U patent/CN205328816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746149A (en) * | 2017-06-04 | 2018-03-02 | 江苏沃尔特环保有限公司 | A kind of New-type refuse vehicle percolation liquid treating system |
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