CN205974178U - A treatment facility for landfill leachate - Google Patents
A treatment facility for landfill leachate Download PDFInfo
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- CN205974178U CN205974178U CN201620852253.6U CN201620852253U CN205974178U CN 205974178 U CN205974178 U CN 205974178U CN 201620852253 U CN201620852253 U CN 201620852253U CN 205974178 U CN205974178 U CN 205974178U
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Abstract
The utility model provides a treatment facility for landfill leachate, include: biochemical treatment portion, ultrafiltration system and nanofiltration system, the delivery port of biochemical treatment portion with the water inlet intercommunication of ultrafiltration system, nanofiltration system's water inlet with the delivery port intercommunication of ultrafiltration system. Adopt the utility model provides a treatment facility for landfill leachate for leachate can high -efficiently get rid of nitrate radical ion wherein after carrying out biochemical treatment portion, ultrafiltration system and nanofiltration system in proper order, consequently, needn't increase reverse osmosis system again and hold back the nitrate radical ion like the traditional handicraft behind nanofiltration system, goes out water quality of water and can reach emission standard.
Description
Technical field
This utility model is related to a kind of processing equipment for waste landfill site leachate.
Background technology
Waste landfill site leachate refer to rubbish during stacking and landfill due to fermentation and the washing away of precipitation, surface water
The sewage soaking with subsoil water and leaching.Substantial amounts of organic pollution is not contained only in Leachate site.Also contain heavy metal and highly concentrated
The holophytic nutrition thing of degree.Garbage leachate has complicated component, the water quality and quantity huge, Organic substance of change and ammonia nitrogen concentration high, micro-
The features such as biological nutrition element ratio is lacked of proper care.With landfill time lengthening, the biodegradability of Leachate site can drastically decline it is extremely difficult to locate
Reason.If garbage leachate is not dealt carefully with and is directly entered environment, severe contamination will be caused to environment.China have at present 90% with
On house refuse adopt landfill method process.Therefore MSW landfill leachate regulating processes to dispose has become urban construction administration
Person must be in the face of the problem with solution.
Prior art discloses the processing scheme of waste landfill site leachate, as shown in figure 1, Fig. 1 is open for prior art
Waste landfill site leachate handling process schematic diagram, specially：Garbage leachate in refuse landfill is from Leachate site
Regulating reservoir is lifted into anaerobic water system by elevator pump and enters anaerobic reactor, and Leachate site is through anaerobic reaction, anaerobic effluent warp
Cross the lifting of MBR intake pump, after filtering through bag filter, me.mbrane bioreactor MBR is entered by water distribution system, biochemical removal can
Biochemical Organic substance and carry out biological denitrificaion；Subsequently carry out film process again.
This handling process disclosed in prior art, with garbage loading embeading time lengthening, the ultra-filtration water effect of biochemical treatment
Fruit poorer it is difficult to biochemical degradation larger molecular organicses, due to carbon-nitrogen ratio imbalance, total nitrogen is still exceeded, for guaranteeing sewage row up to standard
Put, need after MBR PROCESS FOR TREATMENT to arrange advanced treating, the mode relying primarily on physical filtering retains pollutant and total nitrogen class material,
So make film process pressure very big, operating cost is high, and film is easily dirty stifled.Therefore waste landfill site leachate system is universal now
There is a problem of that operational effect is poor, it is not up to standard to process water outlet.
Utility model content
This utility model aims to provide a kind of processing equipment for waste landfill site leachate, based on this utility model,
Can there is higher clearance to the Organic substance in Leachate site, and improve the removal effect to total nitrogen.
A kind of processing equipment for waste landfill site leachate of this utility model includes：Biochemical treatment portion, ultrafiltration system
And nanofiltration system；The outlet in described biochemical treatment portion is connected with the water inlet of described ultrafiltration system；The entering of described nanofiltration system
The mouth of a river is connected with the outlet of described ultrafiltration system.
Preferably, above-mentioned for, in the processing equipment of waste landfill site leachate, described biochemical treatment portion includes：One-level is given birth to
Change pond；The nitrification sedimentation tank that water inlet is connected with the outlet of described one-level biochemistry pool；Water inlet and described nitrification sedimentation tank
Outlet be connected denitrification adjustment pond；The secondary biochemical that the outlet that water inlet adjusts pond with described denitrification is connected
Pond；The denitrification sedimentation tank that water inlet is connected with the outlet in described secondary biochemical pond.
Preferably, above-mentioned in the processing equipment of waste landfill site leachate, described one-level biochemistry pool and described nitrification
It is additionally provided with nitrification sedimentation tank preliminary sedimentation area between sedimentation tank；The water inlet in described nitrification sedimentation tank preliminary sedimentation area is biochemical with described one-level
The outlet connection in pond；The outlet in described nitrification sedimentation tank preliminary sedimentation area is connected with the water inlet of described nitrification sedimentation tank.
Preferably, above-mentioned in the processing equipment of waste landfill site leachate, described nitrification sedimentation tank is provided with mud
Outlet；Described processing equipment also includes：Import with described nitrification clarifier sludge outlet be connected sludge concentration tank, import with
The mud reservoir that described sludge concentration tank outlet is connected, import export, with described mud reservoir, the sludge dewatering being connected and set
Standby.
Preferably, above-mentioned in the processing equipment of waste landfill site leachate, described device for dehydrating sladge waste is sheet frame pressure
Filter dewatering system.
Preferably, above-mentioned in the processing equipment of waste landfill site leachate, described nitrification sedimentation tank preliminary sedimentation area setting
Have nitrification liquid bypass outlet, described one-level biochemistry pool be provided with nitrification liquid backflow import, described nitrification liquid bypass outlet with described
Nitrification liquid backflow import is connected.
Preferably, above-mentioned in the processing equipment of waste landfill site leachate, be provided with described denitrification adjustment pond
Mixing plant；Also include total nitrogen monitoring device, adjust the total nitrogen concentration of pool inner water sample for monitoring described denitrification.
Preferably, above-mentioned for, in the processing equipment of waste landfill site leachate, described denitrification sedimentation tank is provided with back
Flow out the mouth of a river；Described denitrification adjustment pond is provided with backflow water inlet, and described recycling effluent mouth is connected with described backflow water inlet
Logical.
Preferably, above-mentioned in the processing equipment of waste landfill site leachate, described denitrification sedimentation tank setting also sets
It is equipped with sludge reflux outlet；Described one-level biochemistry pool is provided with sludge reflux entrance, described sludge reflux outlet and described mud
Reflux inlet is connected.
Preferably, above-mentioned for, in the processing equipment of waste landfill site leachate, described nanofiltration system outlet is also connected with
There is counter-infiltration system, including the first outlet and the second outlet；Can be used for middle water through the water that described first outlet flows out to return
With or discharge on demand；Described second outlet is also associated with reverse osmosis concentration liquid treating system；And, the going out of described nanofiltration system
The mouth of a river is connected with nanofiltration concentrate processing system.
The processing equipment for waste landfill site leachate being provided using this utility model is so that Leachate site is carried out successively
After biochemical treatment portion, ultrafiltration system and nanofiltration system, can efficiently remove nitrate ion therein, therefore, it is not necessary to as traditional work
Skill is further added by counter-infiltration system retention nitrate ion like that after nanofiltration system, and effluent quality can reach in GB16889-2008
The discharge standard that table two requires.
Brief description
Fig. 1 is Landfill handling process schematic diagram in prior art；
Fig. 2 is used for the structured flowchart of the processing equipment first embodiment of waste landfill site leachate for this utility model；
Fig. 3 A is used for the structural representation of the processing equipment second embodiment of waste landfill site leachate for this utility model；
Fig. 3 B is used for the fundamental diagram of the processing equipment second embodiment of waste landfill site leachate for this utility model；
Fig. 4 is using the processing equipment that Fig. 3 A is used for waste landfill site leachate, waste landfill site leachate to be processed
Flow chart of steps；
Fig. 5 A is used for the structural representation of the processing equipment 3rd embodiment of waste landfill site leachate for this utility model；
Fig. 5 B is used for the fundamental diagram of the processing equipment 3rd embodiment of waste landfill site leachate for this utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
With reference to Fig. 2, Fig. 2 is used for the structure of one embodiment of processing equipment of waste landfill site leachate for this utility model
Block diagram.
A kind of processing equipment for waste landfill site leachate of the present embodiment includes：Biochemical treatment portion 100, ultrafiltration system
200 and nanofiltration system 300；The outlet in biochemical treatment portion 100 is connected with the water inlet of ultrafiltration system 200；Nanofiltration system 200
Water inlet is connected with the outlet of ultrafiltration system 300.
The processing equipment for waste landfill site leachate being provided using the present embodiment is so that Leachate site is given birth to successively
After changing processing unit, ultrafiltration system and nanofiltration system, can efficiently remove nitrate ion therein, therefore, it is not necessary to as traditional handicraft
It is further added by counter-infiltration system retention nitrate ion like that after nanofiltration system, effluent quality can reach table in GB16889-2008
The discharge standard of two requirements.
Reference picture 3A and Fig. 3 B, the processing equipment second that Fig. 3 A is used for waste landfill site leachate for this utility model is implemented
The structural representation of example；Fig. 3 B is used for the work of the processing equipment second embodiment of waste landfill site leachate for this utility model
Schematic diagram；In Fig. 3 B, solid line represents main technique, and dotted line is the " assisted parts such as backflow, dosing, dope process, excess sludge process
Point " handling process.
In the processing equipment of the present embodiment waste landfill site leachate, biochemical treatment portion includes：One-level biochemistry pool, water inlet
Nitrification sedimentation tank, water inlet and the anti-nitre that is connected of outlet nitrifying sedimentation tank being connected with the outlet of one-level biochemistry pool
The secondary biochemical pond that the outlet that change adjustment pond, water inlet adjust pond with denitrification is connected；Water inlet and secondary biochemical pond
The denitrification sedimentation tank that outlet is connected.
It is further preferred that according to practical situation, being additionally provided with nitrification sedimentation tank between one-level biochemistry pool and nitrification sedimentation tank
Preliminary sedimentation area；The water inlet in nitrification sedimentation tank preliminary sedimentation area is connected with the outlet of one-level biochemistry pool；Nitrification sedimentation tank preliminary sedimentation area goes out
The mouth of a river is connected with the water inlet of nitrification sedimentation tank.
When being embodied as, according to waste landfill site leachate water water quality situation, when containing part inorganic impurity in water
When, the processing equipment that the present embodiment provides can also process pond before the setting of one-level biochemistry pool, and pre-treatment pond water inlet is received and filled out
Bury a reservoir area water, pre-treatment pond intercepts the particulate matter that particle diameter is more than 1mm.
Specifically, in the present embodiment, one-level biochemistry pool can include one-level anaerobic pond and one-level Aerobic Pond, one-level anaerobism
The water inlet in pond is connected with high efficiency anaerobic reactor outlet, the water inlet of the outlet of one-level anaerobic pond and one-level Aerobic Pond
It is connected, the outlet of one-level Aerobic Pond is connected with the water inlet in nitrification sedimentation tank preliminary sedimentation area.
The pollutant such as the carbon (C) in Leachate site, nitrogen (N) are removed in the presence of microorganism.In the present embodiment, one
Level biochemistry pool is provided with nitrification liquid reflux inlet, is connected with the nitrification liquid bypass outlet in nitrification sedimentation tank preliminary sedimentation area, nitrification is heavy
Partial sludge in the pond of shallow lake can be back in one-level biochemistry pool, and the active matter biology in partial sludge improves C, N in Leachate site
The clearance of pollutant, nitrification sedimentation tank preliminary sedimentation area and nitrification sedimentation tank series connection, can strengthen mud-water separation effect.In the present embodiment
In, the hydraulic detention time in nitrification sedimentation tank preliminary sedimentation area is preferably 1.5 hours～2.5 hours.
In the present embodiment, it is additionally provided with sludge reflux outlet in nitrification sedimentation tank, in one-level biochemistry pool, be provided with mud
Reflux inlet, the sludge reflux outlet in nitrification sedimentation tank is connected with the sludge reflux entrance in one-level biochemistry pool.
For the ease of the process to mud, the processing equipment that the present embodiment provides preferably also includes sludge concentration tank, mud
Reservoir and filter press system；Nitrification sedimentation tank is provided with sludge outlet, the sludge inlet in sludge outlet and sludge concentration tank
It is connected, the sludge outlet in sludge concentration tank is connected with the sludge inlet in mud reservoir, the mud in mud reservoir goes out
Mouth is connected with the mud import of filter press system.Mud cake after the dehydration of filter press system can be filled out using being backfilled to rubbish
The mode burying field is processed.In the present embodiment, economical, simple to operate using the dehydration of filter press system, and final mud is aqueous
Rate can be down to 60%, and moisture content processes mud 80% well below centrifugal dehydrator disclosed in prior art or folded spiral shell dewaterer
Moisture content.
The processing equipment that can be seen that set by the present embodiment from Fig. 3 A and Fig. 3 B includes water inlet and nitrification sedimentation tank
The denitrification adjustment pond that outlet is connected.Denitrification adjusts pond and has the effect adjusting pH value；And in the present embodiment, also wrap
Include total nitrogen monitoring device, in order to monitor the concentration that denitrification adjusts the total nitrogen in pond, follow-up locating is controlled according to the total nitrogen concentration measuring
Needing to add few carbon source in reason structures, thus adjusting the growing environment of microorganism, improving the denitrification effect in Two-Stage Biochemical pond.?
In the present embodiment, total nitrogen monitoring device can be provided in denitrification and adjust total nitrogen meter room or total nitrogen prison above pond
Survey mobile device.In the present embodiment, denitrification adjusts the setting in pond so that the Leachate site after secondary biochemical treatment is only through anti-
Nitrification sedimentation tank, invests low, less energy consumption, and without the external or built-in ultrafilter membrane conduct in prior art MBR system
The equipment of mud-water separation, no dirty stifled problem.
In the present embodiment, denitrification adjustment pond is provided with carbon source entrance, in order to add additional carbon, to adjust microorganism
Growing environment.
The processing equipment that the present embodiment provides includes water inlet and adjusts, with denitrification, the secondary biochemical that pond outlet is connected
Pond, in secondary biochemical pond, carries out secondary biochemical treatment to Leachate site, further the pollutant such as C, N in removing Leachate site.?
In the present embodiment, secondary biochemical pond includes secondary anaerobic pond and two grades of Aerobic Ponds, and the water inlet in secondary anaerobic pond is adjusted with denitrification
The outlet in whole pond is connected, and the outlet in secondary anaerobic pond is connected with the water inlet of two grades of Aerobic Ponds, two grades of Aerobic Ponds
Outlet is connected with the water inlet of denitrification sedimentation tank.
The processing equipment that the present embodiment provides includes the denitrification precipitation that water inlet is connected with secondary biochemical pond outlet
Pond.In the present embodiment, denitrification sedimentation tank is vertical sedimentation tank, also can be selected for inclined-plate clarifying basin or other forms sedimentation tank.
In the present embodiment, denitrification sedimentation tank is provided with sludge reflux outlet, and denitrification adjustment pond is provided with mud and returns
Inflow entrance, one-level biochemistry pool is also equipped with sludge reflux entrance, the sludge reflux outlet of denitrification sedimentation tank and denitrification adjustment
Sludge reflux entrance in the sludge reflux entrance in pond and one-level biochemistry pool is connected.
In the present embodiment further embodiment, denitrification sedimentation tank is additionally provided with denitrification liquid bypass outlet, denitrification
Adjustment pond is additionally provided with denitrification liquid reflux inlet, and denitrification liquid bypass outlet is connected with denitrification liquid reflux inlet.
In the present embodiment, Sand Filtration System, water inlet that water inlet is connected also are included with denitrification sedimentation tank outlet
The NF nanofiltration system that the UF ultrafiltration system that is connected with Sand Filtration System outlet, water inlet are connected with UF ultrafiltration system outlet
System.It should be noted that filter sand system is to ultrafiltration system protective measure, dispensable ingredient.
It is provided with quartz sand in Sand Filtration System, be provided with ultrafilter membrane in UF ultrafiltration system, be provided with NF nanofiltration system and receive
Filter membrane.In the present embodiment, Sand Filtration System and UF ultrafiltration system are as a kind of security measures of NF nanofiltration.In the present embodiment,
When draining needs to reach table 2 standard in GB16889-2008, UF ultrafiltration system and the NF in Treated sewage reusing membranous system can be opened
Nanofiltration system, water outlet after sand filtration, ultrafiltration and nanofiltration, draining is directly entered the water body in environment.
After processing through NF nanofiltration system, produce larger amount of nanofiltration concentrate, in order to not increase, nanofiltration concentrate be transported outward
The cost processing, the processing equipment that the present embodiment provides preferably also includes nanofiltration concentrate processing system, and nanofiltration concentrate is processed
System is connected with the concentrated solution outlet of NF nanofiltration system, and nanofiltration concentrate enters in nanofiltration concentrate processing system to be located
Reason, the dope after process can decrement.Nanofiltration concentrate is processed as humic acid through nanofiltration concentrate processing system, accounts for nanofiltration and concentrates
The 0.5% of liquid total amount, the calorific value of humic acid is higher, can use as fuel, make fertilizer or outward transport process.
Referring to Fig. 4, show leachate treatment schematic flow sheet.Comprise the steps：
Step S1, Landfill is carried out pre-treatment by the present embodiment.In the present embodiment, by the Leachate site of landfill yard
Preferably first filtered and gravitational settling, be filtered to remove the impurity such as floating thing in Leachate site, float, gravitational settling segregation ratio
The larger gravel of weight.The water outlet of gravitational settling carries out homogenizing and all measures, and homogenizing is all measured and carried out in front process pond, in the present embodiment
In, the surface loading in pre-treatment pond is preferably 0.4m3/(m2×h)±0.1m3/(m2× h), the nominal time of staying is more preferably at least
8h；In the present embodiment, above-mentioned time of staying longer treatment effect is better, but considers construction cost, and what the application was given is
Minima.
Step S2, after carrying out pre-treatment desanding, the Landfill obtaining water outlet is carried out one-level by the present embodiment successively
Biochemical treatment, nitrification precipitation, denitrification adjustment, secondary biochemical treatment and denitrification precipitation.
In the present embodiment, one-level biochemical treatment preferably includes one-level anoxic treatment and one-level Aerobic Process for Treatment.One-level anoxia
The hydraulic detention time processing is preferably not less than 8h, more preferably 8h～10h, and one-level anoxic treatment is preferably entered under agitation
OK；The hydraulic detention time of one-level Aerobic Process for Treatment is preferably not less than 5d, more preferably 5d～8d；In the present embodiment, above-mentioned two
The item time of staying longer treatment effect is better, but considers construction cost, and the technical scheme that the embodiment of the present application provides is water conservancy
The minima of the time of staying.In one-level Aerobic, nitrification liquid flows back, and the reflux ratio of nitrification liquid is preferably 2.
In the present embodiment, the hydraulic detention time that denitrification adjustment is processed is preferably 8h ± 2h, more preferably 8h ± 1h,
During denitrification adjustment, the nitrate nitrogen concentration that the present embodiment adjusts according to denitrification in pond controls the dosing of follow-up methanol
Amount.
In the present embodiment, secondary biochemical treatment includes two grades of anoxic treatment and two grades of Aerobic Process for Treatment.Two grades of anoxic treatment
Preferably carry out under agitation, the hydraulic detention time of two grades of anoxic treatment is preferably 8h ± 1h；Two grades of Aerobic Process for Treatment are preferred
Carry out under aeration condition, the hydraulic detention time of two grades of Aerobic Process for Treatment is preferably 8h ± 1h.
In the present embodiment, nitrification precipitation is precipitated mud, and precipitating sludge is preferably carried out filter press by the present embodiment,
Processed is carried out to precipitating sludge.The present embodiment is stored after preferably being concentrated precipitating sludge, and the mud of storage enters andante
Frame filter pressing is processed, and the mud cake that filter press obtains after processing carries out burning disposal.
Step S3, in the present embodiment, denitrification precipitation obtain supernatant, carry out successively sand filtration process, hyperfiltration treatment and
Nanofiltration is processed.Supernatant after above-mentioned subsequent treatment, eliminate in supernatant most of divalent ion and molecular weight 200～
1000 Organic substance, can remove a small amount of monovalent ion simultaneously, reaches discharge standard.
Step S4, in the present embodiment, comprehends generation concentrated solution, concentrated solution preferably carries out concentrated solution process at nanofiltration, point
Leave away except the humus in concentrated solution and polyvalent metal ion, nanofiltration concentrate processing system water outlet reaches discharge standard, only
0.5% humic acid dope, can transport outward process or make fertilizer.
Reference picture 5A and Fig. 5 B, the processing equipment the 3rd that Fig. 5 A is used for waste landfill site leachate for this utility model is implemented
The structural representation of example；Fig. 5 B is used for the work of the processing equipment 3rd embodiment of waste landfill site leachate for this utility model
Schematic diagram.This embodiment is the optimization further to Fig. 3 A and Fig. 3 B embodiment.In Fig. 5 B, solid line represents main technique, and dotted line is
The handling process of " slave parts " such as backflow, dosing, dope process, excess sludge process.
Can be seen that in the present embodiment from Fig. 5 A and Fig. 5 B, also include water inlet and be connected with NF nanofiltration system outlet
Logical RO counter-infiltration system.It is provided with reverse osmosis membrane in RO counter-infiltration system.
In the present embodiment, Sand Filtration System, UF ultrafiltration system, NF nanofiltration system constitute membranous system, can individually open
UF ultrafiltration system in Treated sewage reusing membranous system and NF nanofiltration system, can also open UF ultrafiltration system, NF nanofiltration system and RO
Counter-infiltration system (requires according to different water outlets).In the present embodiment, when draining needs to reach table 2 standard in GB16889-2008
When, the UF ultrafiltration system in Treated sewage reusing membranous system and NF nanofiltration system, water outlet after sand filtration, ultrafiltration and nanofiltration, row can be opened
Water is directly entered the water body in environment；Open sand filtration, ultrafiltration, nanofiltration and anti-when drainage requirement is more tightened up than above-mentioned table 2 standard
Water outlet again after infiltration.
And, the processing equipment that the present embodiment provides preferably also includes reverse osmosis concentration liquid treating system, reverse osmosis concentration
Liquid treating system is connected with the concentrated solution outlet of RO counter-infiltration system, and the concentrated solution that RO counter-infiltration system produces enters into reverse osmosis
Thoroughly concentrate in liquid treating system and processed, concentrated solution after treatment only accounts for 10% (common technique of former concentrated solution total amount
RO dope has 30%), the reverse osmosis concentrated liquid of process can transport outward process.Reach the row requiring than table in GB16889-2008 two
The stricter standard of standard of putting.
The processing equipment for waste landfill site leachate being provided using this utility model is so that Leachate site is carried out successively
One-level biochemical treatment, nitrification precipitation, denitrification adjustment, secondary biochemical treatment and denitrification precipitation, efficiently remove in Leachate site
Organic substance, and realize efficient denitrification.Test result indicate that, the processing equipment that this utility model provides is processed to Leachate site,
Biochemical system water outlet total nitrogen content can be down to 20mg/L, hundreds of or even thousands of milligrams per liter well below disclosed in prior art.
The above is only the preferred implementation of the present embodiment it is noted that for those skilled in the art
For, on the premise of without departing from the present embodiment principle, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the present embodiment.
Claims (10)
1. a kind of processing equipment for waste landfill site leachate is it is characterised in that include：
Biochemical treatment portion, ultrafiltration system and nanofiltration system；
The outlet in described biochemical treatment portion is connected with the water inlet of described ultrafiltration system；
The water inlet of described nanofiltration system is connected with the outlet of described ultrafiltration system.
2. processing equipment according to claim 1 is it is characterised in that described biochemical treatment portion includes：
One-level biochemistry pool；
The nitrification sedimentation tank that water inlet is connected with the outlet of described one-level biochemistry pool；
The denitrification adjustment pond that water inlet is connected with the outlet of described nitrification sedimentation tank；
The secondary biochemical pond that the outlet that water inlet adjusts pond with described denitrification is connected；
The denitrification sedimentation tank that water inlet is connected with the outlet in described secondary biochemical pond.
3. processing equipment according to claim 2 it is characterised in that
It is additionally provided with nitrification sedimentation tank preliminary sedimentation area between described one-level biochemistry pool and described nitrification sedimentation tank；
The water inlet in described nitrification sedimentation tank preliminary sedimentation area is connected with the outlet of described one-level biochemistry pool；
The outlet in described nitrification sedimentation tank preliminary sedimentation area is connected with the water inlet of described nitrification sedimentation tank.
4. processing equipment according to claim 3 it is characterised in that
Described nitrification sedimentation tank is provided with sludge outlet；
Described processing equipment also includes：Import with described nitrification clarifier sludge outlet be connected sludge concentration tank, import with
The mud reservoir that described sludge concentration tank outlet is connected, import export, with described mud reservoir, the sludge dewatering being connected and set
Standby.
5. processing equipment according to claim 4 it is characterised in that
Described device for dehydrating sladge waste is filter press dewatering system.
6. the processing equipment according to any one of claim 3 to 5 it is characterised in that
Described nitrification sedimentation tank preliminary sedimentation area is provided with nitrification liquid bypass outlet, and described one-level biochemistry pool is provided with nitrification liquid and flows back into
Mouthful, described nitrification liquid bypass outlet is connected with the backflow import of described nitrification liquid.
7. processing equipment according to claim 6 it is characterised in that
It is provided with mixing plant in described denitrification adjustment pond；
Also include total nitrogen monitoring device, adjust the total nitrogen concentration of pool inner water sample for monitoring described denitrification.
8. processing equipment according to claim 7 it is characterised in that
Described denitrification sedimentation tank is provided with recycling effluent mouth；
Described denitrification adjustment pond is provided with backflow water inlet, and described recycling effluent mouth is connected with described backflow water inlet.
9. processing equipment according to claim 8 it is characterised in that
Described denitrification sedimentation tank setting is additionally provided with sludge reflux outlet；
Described one-level biochemistry pool is provided with sludge reflux entrance, and described sludge reflux outlet is connected with described sludge reflux entrance
Logical.
10. processing equipment according to claim 9 it is characterised in that
Described nanofiltration system outlet is also associated with counter-infiltration system, including the first outlet and the second outlet；
Can be used for Treated sewage reusing through the water that described first outlet flows out or discharge on demand；
Described second outlet is also associated with reverse osmosis concentration liquid treating system；And
The outlet of described nanofiltration system is connected with nanofiltration concentrate processing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620852253.6U CN205974178U (en) | 2016-08-08 | 2016-08-08 | A treatment facility for landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620852253.6U CN205974178U (en) | 2016-08-08 | 2016-08-08 | A treatment facility for landfill leachate |
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| CN201620852253.6U Active CN205974178U (en) | 2016-08-08 | 2016-08-08 | A treatment facility for landfill leachate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186533A (en) * | 2016-08-08 | 2016-12-07 | 北京润宇环保工程有限公司 | Processing equipment and percolation liquid treatment method for waste landfill site leachate |
| CN110217932A (en) * | 2019-07-10 | 2019-09-10 | 北京首创环境科技有限公司 | A kind of processing unit and processing method of landfill leachate discharge |
-
2016
- 2016-08-08 CN CN201620852253.6U patent/CN205974178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186533A (en) * | 2016-08-08 | 2016-12-07 | 北京润宇环保工程有限公司 | Processing equipment and percolation liquid treatment method for waste landfill site leachate |
| CN110217932A (en) * | 2019-07-10 | 2019-09-10 | 北京首创环境科技有限公司 | A kind of processing unit and processing method of landfill leachate discharge |
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