CN106145351A - The processing equipment of garbage incinerating power plant Leachate site - Google Patents
The processing equipment of garbage incinerating power plant Leachate site Download PDFInfo
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- CN106145351A CN106145351A CN201610644042.8A CN201610644042A CN106145351A CN 106145351 A CN106145351 A CN 106145351A CN 201610644042 A CN201610644042 A CN 201610644042A CN 106145351 A CN106145351 A CN 106145351A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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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
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/44—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
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
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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
- C02F1/44—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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides the processing equipment of a kind of garbage incinerating power plant Leachate site, including pretreatment regulating reservoir, the high efficiency anaerobic reactor that water inlet is connected with described pretreatment regulating reservoir outlet, the one-level biochemistry pool that water inlet is connected with described high efficiency anaerobic reactor outlet, the nitrification sedimentation tank preliminary sedimentation district that water inlet is connected with described one-level biochemistry pool outlet, the nitrification sedimentation tank that water inlet is connected with described digestion sedimentation tank preliminary sedimentation district outlet, the denitrification that water inlet is connected with described nitrification sedimentation tank outlet adjusts pond, water inlet adjusts, with described denitrification, the secondary biochemical pond that pond outlet is connected, the denitrification sedimentation tank that water inlet is connected with described secondary biochemical pond outlet.Use the processing equipment that the present invention provides, make Leachate site carry out homogenizing successively all to measure, anaerobic digestion, one-level biochemical treatment, nitrification precipitation, denitrification adjustment, secondary biochemical treatment and denitrification precipitation, efficiently remove the Organic substance in Leachate site, it is achieved efficient denitrification.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to the processing equipment of a kind of garbage incinerating power plant Leachate site
And processing method.
Background technology
The process of garbage leachate is focus and the difficulties of sewage treatment area in recent years.Garbage incinerating power plant
Leachate site is the high concentrated organic wastewater that house refuse produces after heap fermentation, its pollutant levels may be up to every liter tens thousand of
Milligram, it is also possible to containing plurality of heavy metal material.Incineration plant garbage leachate water quality is along with the factor such as geographical position, seasonal variations
There is great change, the Leachate site impact far more than common sewage on surrounding and health, and common sewage treatment plant
It is often felt simply helpless.Along with country and local government are to environmental conservation pay attention to day by day, discharge standard also increasingly stringent, oozes drip
Liquid processes the difficult problem having become domestic universality.
Prior art discloses the processing scheme of garbage incinerating power plant Leachate site, as it is shown in figure 1, Fig. 1 position prior art
Disclosed garbage incinerating power plant leachate treatment schematic flow sheet, particularly as follows: in cheating from garbage burning factory rubbish storage
Garbage leachate is promoted to incineration plant Leachate site by elevator pump after slagging-off pretreatment removes the particle diameter solid particulate matter more than 1mm
Regulating reservoir (the 5-7 days time of staying), the Leachate site in regulating reservoir is lifted into anaerobic water system by anaerobism inlet water lifting pumps and enters
Anaerobic reactor, the common floc sludge that anaerobic reactor uses, Leachate site is through anaerobic reaction, and COD is available significantly
Degrade, and the COD of the part bio-refractory in Leachate site is under anaerobic hydrolyzed acidifying；Anaerobic effluent enters precipitation
Pond is precipitated, and for ensureing to have enough concentration of anaerobic microorganisms in anaerobic reactor, precipitating sludge refluxes back anaerobic reaction
Device；Anaerobic effluent through precipitation process enters intermediate pool, and intermediate pool arranges preaeration system, having in stripping water
Anaerobe in evil gas (such as hydrogen sulfide) and suppression water outlet；Waste water in intermediate pool promotes through MBR intake pump,
After bag filter filters, entering me.mbrane bioreactor MBR by water distribution system, biochemical removal can biochemical Organic substance and entering
Row biological denitrificaion；The most effectively removed through the BOD of ultra-filtration water of biochemical treatment, ammonia nitrogen, total nitrogen, heavy metal, but
COD, total nitrogen that the Organic substance of bio-refractory is formed still exceed standard, and for guaranteeing sewage qualified discharge, need to set after MBR PROCESS FOR TREATMENT
Put advanced treating.
This handling process disclosed in prior art, anaerobic digestion facility (process) is low to organic removal rate, is only
75%～78%, subsequent biochemical system is very poor to total nitrogen removal effect, biochemical system water outlet total nitrogen concentration still be up to the most hundreds of or even
Thousands of milligrams per liter.
Summary of the invention
It is an object of the invention to provide processing equipment and the processing method of a kind of garbage incinerating power plant Leachate site, use
Leachate site is processed by the equipment that the present invention provides, and has a higher clearance to the Organic substance in Leachate site, and improve right
The removal effect of total nitrogen.
The invention provides the processing equipment of a kind of garbage incinerating power plant Leachate site, including pretreatment regulating reservoir, water inlet
High efficiency anaerobic reactor, water inlet that mouth is connected with described pretreatment regulating reservoir outlet go out with described high efficiency anaerobic reactor
Nitrification sedimentation tank preliminary sedimentation district that one-level biochemistry pool that the mouth of a river is connected, water inlet are connected with described one-level biochemistry pool outlet,
Nitrification sedimentation tank, water inlet that water inlet is connected with described nitrification sedimentation tank preliminary sedimentation district outlet go out with described nitrification sedimentation tank
Denitrification that the mouth of a river is connected adjusts pond, water inlet is connected with described denitrification adjustment pond outlet secondary biochemical pond, enter
The denitrification sedimentation tank that the mouth of a river is connected with described secondary biochemical pond outlet.
Preferably, also include Sand Filtration System that water inlet is connected with described denitrification sedimentation tank outlet, water inlet with
The NF that UF ultrafiltration system that described Sand Filtration System outlet is connected, water inlet are connected with described UF ultrafiltration system outlet receives
The RO counter-infiltration system that filter system, water inlet are connected with described NF nanofiltration system.
Preferably, described nitrification sedimentation tank is provided with sludge outlet；
Described processing equipment also includes that import exports sludge concentration tank, the import being connected with described nitrification clarifier sludge
The mud reservoir, the import that are connected with the outlet of described sludge concentration tank export the filter press being connected and take off with described mud reservoir
Water system.
Preferably, described nitrification sedimentation tank preliminary sedimentation district is provided with nitrification liquid bypass outlet, and described one-level biochemistry pool is provided with
Nitrification liquid backflow import, described nitrification liquid bypass outlet is connected with the backflow import of described nitrification liquid.
Preferably, described denitrification is provided with mixing plant in adjusting pond；
Also include total nitrogen monitoring device, adjust the total nitrogen concentration of pool inner water sample for monitoring described denitrification.
Preferably, described denitrification sedimentation tank is provided with recycling effluent mouth, and described denitrification adjustment pond is provided with and passes back into
The mouth of a river, described recycling effluent mouth is connected with the described mouth of a river that passes back into.
Preferably, described denitrification sedimentation tank is provided with sludge reflux outlet, and described one-level biochemistry pool is provided with mud and returns
Inflow entrance, the outlet of described sludge reflux is connected with described sludge reflux entrance.
Preferably, described NF nanofiltration system is provided with concentrated solution outlet；
Described processing equipment also includes the concentrated solution that concentrated solution import is connected with described NF nanofiltration system concentrated solution outlet
Processing system.
The invention provides a kind of method processing garbage incinerating power plant Leachate site, comprise the following steps:
Burning power plant Leachate site is carried out homogenizing all measure；
Leachate site after all being measured by described homogenizing carries out anaerobic digestion under the effect of granule sludge；
Leachate site after described anaerobic digestion is carried out successively one-level biochemical treatment, nitrification precipitation, denitrification adjust,
Secondary biochemical treatment and denitrification precipitation.
Preferably, the supernatant that obtains of described denitrification precipitation carry out sand filtration process successively, hyperfiltration treatment, nanofiltration process and
Reverse-osmosis treated.
Preferably, the excess sludge that described denitrification precipitation obtains is carried out concentration.
The invention provides the processing equipment of a kind of garbage incinerating power plant Leachate site, including pretreatment regulating reservoir, water inlet
High efficiency anaerobic reactor, water inlet that mouth is connected with described pretreatment regulating reservoir outlet go out with described high efficiency anaerobic reactor
Nitrification sedimentation tank preliminary sedimentation district that one-level biochemistry pool that the mouth of a river is connected, water inlet are connected with described one-level biochemistry pool outlet,
Nitrification sedimentation tank, water inlet that water inlet is connected with described digestion sedimentation tank preliminary sedimentation district outlet go out with described nitrification sedimentation tank
Denitrification that the mouth of a river is connected adjusts pond, water inlet is connected with described denitrification adjustment pond outlet secondary biochemical pond, enter
The denitrification sedimentation tank that the mouth of a river is connected with described secondary biochemical pond outlet.Use the processing equipment that the present invention provides so that
Leachate site carry out successively homogenizing all measure, anaerobic digestion, one-level biochemical treatment, nitrification precipitation, denitrification adjust, secondary biochemical treatment
Precipitate with denitrification, efficiently remove the Organic substance in Leachate site, and realize efficient denitrification.Test result indicate that, the present invention provides
Processing equipment Leachate site is processed, high efficiency anaerobic reactor go the efficiency of removal organic polluter up to more than 90%, far
Far above disclosed in prior art 75%～78%；And biochemical system water outlet total nitrogen content can be down to 20mg/L, well below
Disclosed in prior art hundreds of or even thousands of milligrams per liter.
Further, the processing equipment that the present invention provides also includes filter press system, is dehydrated for nitrifying sludge
Process, greatly reduce the moisture content of mud, 60% can be down to, process dirt well below centrifugal dehydrator disclosed in prior art
The moisture content of mud 80%；And use filter press system cost low, easy to operate.
Accompanying drawing explanation
Fig. 1 is leachate treatment schematic flow sheet in prior art；
The garbage incinerating power plant leachate treatment schematic flow sheet that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
With reference to Fig. 2.The garbage incinerating power plant leachate treatment schematic flow sheet that Fig. 2 provides for the embodiment of the present invention.Its
In, the solid line in figure represents main technique, and dotted line is the place of " slave parts " such as backflow, dosing, dope process, excess sludge process
Reason flow process
The invention provides the processing equipment of a kind of garbage incinerating power plant Leachate site, including pretreatment regulating reservoir, water inlet
High efficiency anaerobic reactor, water inlet that mouth is connected with described pretreatment regulating reservoir outlet go out with described high efficiency anaerobic reactor
Nitrification sedimentation tank preliminary sedimentation district that one-level biochemistry pool that the mouth of a river is connected, water inlet are connected with described one-level biochemistry pool outlet,
Nitrification sedimentation tank, water inlet that water inlet is connected with described nitrification sedimentation tank preliminary sedimentation district outlet go out with described nitrification sedimentation tank
Denitrification that the mouth of a river is connected adjusts pond, water inlet is connected with described denitrification adjustment pond outlet secondary biochemical pond, enter
The denitrification sedimentation tank that the mouth of a river is connected with described secondary biochemical pond outlet.
The processing equipment that the present invention provides includes pretreatment regulating reservoir, and in described pretreatment regulating reservoir, Leachate site obtains homogenizing
All measuring, and the environment of described pretreatment regulating reservoir is anaerobic environment, under the effect of anaerobe, the part in Leachate site has
Machine thing is degraded, and improves the biodegradability of Leachate site.
In the present invention, described Leachate site is obtained by leachate collecting pond, and the dump pit of garbage incinerating power plant produces
Leachate site through collect be stored in leachate collecting pond.The processing equipment that the present invention provides the most also includes that outlet is with described
The filter that setting pot that pretreatment regulating reservoir water inlet is connected, outlet are connected with described setting pot water inlet.At this
In inventive embodiment, the outlet in described leachate collecting pond is connected with described filter water inlet.In the present invention one
In individual embodiment, described leachate collecting pond is connected with described filter especially by pump, and described filter is the most basket
Filter.Described filter retains the impurity such as floating thing, float, and the Leachate site after retaining enters setting pot.
In described setting pot, by gravitational settling, the gravel that in Leachate site, proportion is bigger is separated from water, and precipitation is stored in
In bucket.Precipitation in described bucket is preferably purged by the present invention.
The processing equipment that the present invention provides includes that water inlet is efficiently detested with what described pretreatment regulating reservoir outlet was connected
Oxygen reactor.Granule sludge it is provided with in described high efficiency anaerobic reactor, preferred 1mm～3mm of particle diameter of described granule sludge,
In the present invention, described granule sludge is black particle, and the density of described granule sludge is preferably 1028kg/m～1069kg/m,
The settling ratio (SV%) of described granule sludge is preferably 75%.Microorganism in described granule sludge is to the Organic substance in Leachate site
Carrying out anaerobic digestion, organic pollution is converted into the inorganic substances such as methane, carbon dioxide, water, discharges system with biogas form.This
Invention uses granule sludge that Leachate site is carried out anaerobic digestion, does not haves the situation that mud flow to outside reactor with water, therefore
Investment cost and operating cost can be saved without arranging intermediate pool outside described high efficiency anaerobic reactor.In the present invention
In further embodiment, between described anaerobic reactor and biochemistry pool, may also set up intermediate pool.
The processing equipment that the present invention provides the most also includes collecting methane system, the air inlet of described collecting methane system with
The gas outlet of described high efficiency anaerobic reactor is connected.Concrete, in an embodiment of the present invention, described collecting methane system is
Biogas pipeline, described biogas enters biogas combustion device after collecting；Described biogas can also carry out marsh gas power generation after collecting.
The processing equipment that the present invention provides includes the one-level that water inlet is connected with described high efficiency anaerobic reactor outlet
Biochemistry pool.In the present invention, described one-level biochemistry pool includes one-level anaerobic pond and one-level Aerobic Pond, entering of described one-level anaerobic pond
The mouth of a river is connected with described high efficiency anaerobic reactor outlet, the outlet of described one-level anaerobic pond and described one-level Aerobic Pond
Water inlet is connected, and the outlet of described one-level Aerobic Pond is connected with the water inlet in described nitrification sedimentation tank preliminary sedimentation district.Described
The pollutant such as C, N in Leachate site after anaerobic digestion are removed under the effect of microorganism.In the present invention, described one-level
Biochemistry pool is provided with nitrification liquid reflux inlet, is connected with the nitrification liquid bypass outlet in described nitrification sedimentation tank preliminary sedimentation district, described
Partial sludge in nitrification sedimentation tank can be back in one-level biochemistry pool, and the active matter biology in described partial sludge improves and oozes
The clearance of C, N pollutant in drip liquid, described nitrification sedimentation tank preliminary sedimentation district and the series connection of nitrification sedimentation tank, can strengthen mud-water separation effect
Really.In the present invention, the hydraulic detention time in described digestion sedimentation tank preliminary sedimentation district is preferably 1.5 hours～2.5 hours.
In an embodiment of the present invention, being additionally provided with sludge reflux outlet in described nitrification sedimentation tank, described one-level is biochemical
Pond is provided with sludge reflux entrance, the sludge reflux outlet in described nitrification sedimentation tank and the mud in described one-level biochemistry pool
Reflux inlet is connected.
For the ease of the process to mud, the processing equipment that the present invention provides the most also includes that sludge concentration tank, mud are store
Pond and filter press system；Described nitrification sedimentation tank is provided with in sludge outlet, described sludge outlet and described sludge concentration tank
Sludge inlet be connected, the sludge outlet in described sludge concentration tank is connected with the sludge inlet in described mud reservoir,
Sludge outlet in described mud reservoir is connected with the mud import of described filter press system.Through described filter press system
Mud cake after dehydration can use the mode of burning to process.In the present invention, filter press system dehydration economy, operation letter are used
Single, and finally moisture percentage in sewage sludge can be down to 60%, moisture content is low.
The processing equipment that the present invention provides includes that the denitrification that water inlet is connected with described nitrification sedimentation tank outlet is adjusted
Whole pond.In the present invention, described denitrification adjustment pond has the effect of regulation pH value；And in an embodiment of the present invention, also wrap
Include total nitrogen monitoring device, in order to monitor the concentration that described denitrification adjusts the total nitrogen in pond, after controlling according to the total nitrogen concentration measured
Continuous process structures need to add how many carbon sources, thus adjusts the growing environment of microorganism, improve the denitrogenation effect in Two-Stage Biochemical pond
Really.In an embodiment of the present invention, described total nitrogen monitoring device can be provided in described denitrification and adjust the total nitrogen above pond
Meter room, it is also possible to monitor mobile device for total nitrogen.In the present invention, the setting in described denitrification adjustment pond makes through secondary biochemical
Leachate site after process, only through denitrification sedimentation tank, is invested low, less energy consumption, and without outside in prior art MBR system
Put or built-in ultrafilter membrane is as the equipment of mud-water separation, block up problem without dirty.
In the present invention, described denitrification adjusts pond and is provided with carbon source entrance, in order to add additional carbon, to adjust micro-life
The growing environment of thing.
The processing equipment that the present invention provides includes that water inlet adjusts, with described denitrification, two grades of lifes that pond outlet is connected
The dirts such as change pond, in described secondary biochemical pond, carries out secondary biochemical treatment to Leachate site, C, the N in further removing Leachate site
Dye thing.In the present invention, described secondary biochemical pond includes secondary anaerobic pond and two grades of Aerobic Ponds, the water inlet in described secondary anaerobic pond
The outlet that mouth adjusts pond with described denitrification is connected, and the outlet in described secondary anaerobic pond enters with described two grades of Aerobic Ponds
The mouth of a river is connected, and the outlet of described two grades of Aerobic Ponds is connected with the water inlet of described denitrification sedimentation tank.
The processing equipment that the present invention provides includes that the denitrification that water inlet is connected with described secondary biochemical pond outlet sinks
Pond, shallow lake.In described denitrification sedimentation tank, the Leachate site after described secondary biochemical treatment carries out mud-water separation, the supernatant obtained
Can be expelled directly out, reach to receive pipe standards (GB8978-1996, pipe standards of receiving are the standard entering municipal sewage plant).At this
In invention, described denitrification sedimentation tank is vertical sedimentation tank, it is possible to select inclined-plate clarifying basin or other form sedimentation tanks.
In an embodiment of the present invention, described denitrification sedimentation tank is provided with sludge reflux outlet, and described denitrification adjusts
Pond is provided with sludge reflux entrance, and described one-level biochemistry pool is also equipped with sludge reflux entrance, the dirt of described denitrification sedimentation tank
The sludge reflux entrance that mud bypass outlet and described denitrification adjust in the sludge reflux entrance in pond and one-level biochemistry pool is connected
Logical.
In further embodiment of the present invention, described denitrification sedimentation tank is additionally provided with denitrification liquid bypass outlet, described
Denitrification adjusts pond and is additionally provided with denitrification liquid reflux inlet, and described denitrification liquid bypass outlet passes back into described denitrification liquid
Mouth is connected.
The processing equipment that the present invention provides the most also includes what water inlet was connected with described denitrification sedimentation tank outlet
UF ultrafiltration system, water inlet and the described UF ultrafiltration system that Sand Filtration System, water inlet are connected with described Sand Filtration System outlet
The RO counter-infiltration system that NF nanofiltration system that outlet is connected, water inlet are connected with described NF nanofiltration system outlet.?
In the present invention, described Sand Filtration System is provided with quartz sand, described UF ultrafiltration system is provided with ultrafilter membrane, described NF nanofiltration system
System is provided with NF membrane, described RO counter-infiltration system is provided with reverse osmosis membrane.In the present invention, described Sand Filtration System and UF
Ultrafiltration system is intended only as a kind of security measures, can be without opening water outlet situation is good when, and now water quality has reached
Receive pipe standards.In the present invention, during described Sand Filtration System, UF ultrafiltration system, NF nanofiltration system and RO counter-infiltration system constitute
Water circulation system, if need intermediate water reuse system to determine according to discharge index, can individually open described Treated sewage reusing system
The Sand Filtration System of system, it is also possible to open Sand Filtration System and UF ultrafiltration system, it is also possible to open the UF in described intermediate water reuse system
Ultrafiltration system and NF nanofiltration system, it is also possible to open whole intermediate water reuse system, i.e. open described UF ultrafiltration system, NF nanofiltration system
System and RO counter-infiltration system.In an embodiment of the present invention, when draining is directly entered sewage treatment plant's pipe network, sewage is through sand filtration
Can directly water outlet after system；When draining be used as plant area afforest time, can open UF ultrafiltration system in described intermediate water reuse system and
NF nanofiltration system, water outlet after sand filtration, ultrafiltration and nanofiltration；When recirculated cooling water moisturizing in draining is used as factory, described middle water returns
It is all turned on by system, water outlet again after sand filtration, ultrafiltration, nanofiltration and reverse osmosis, as circulating cooling moisturizing in factory, not outer row,
Achieve " zero-emission ".
In the present invention, when opening Sand Filtration System and ultrafiltration system, ultrafiltration system processes water outlet and enters NF nanofiltration system
Remove the Organic substance that major part divalent ion and molecular weight are 200～1000, the most removable a small amount of monovalent ion, can reach green
Change and use water discharge standard.
After NF nanofiltration system processes, produce larger amount of nanofiltration concentrated solution, in order to not increase, nanofiltration concentrated solution be transported outward
The cost processed, the processing equipment that the present invention provides the most also includes nanofiltration concentrated solution processing system, at described nanofiltration concentrated solution
Reason system is connected with the concentrated solution outlet of described NF nanofiltration system, and nanofiltration concentrated solution enters into described nanofiltration concentrated solution and processes system
Processing in system, the dope after process can decrement.Described nanofiltration concentrated solution is processed as corruption through nanofiltration concentrated solution processing system
Growing acid, account for the 0.5% of nanofiltration concentrated solution total amount, the calorific value of humic acid is higher, can use as fuel, dissolves in carrying out factory.
The processing equipment that the present invention provides the most also includes reverse osmosis concentration liquid treating system, at described reverse osmosis concentrated liquid
Reason system is connected with the concentrated solution outlet of described RO counter-infiltration system, and the concentrated solution that described RO counter-infiltration system produces enters into
Processing in described reverse osmosis concentration liquid treating system, concentrated solution after treatment only accounts for the 10% of former concentrated solution total amount, place
The reverse osmosis concentrated liquid of reason can use as fuel, it is also possible to for flyash curing and dragveyer water seal water replenishing, carries out in factory
Dissolve.
It should be noted that the above is only the preferred embodiment of the present invention, it is noted that for the art
Those of ordinary skill for, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (8)
1. a processing equipment for garbage incinerating power plant Leachate site, including pretreatment regulating reservoir, water inlet and described pretreatment
High efficiency anaerobic reactor that regulating reservoir outlet is connected, water inlet be connected with described high efficiency anaerobic reactor outlet one
Nitrification sedimentation tank preliminary sedimentation district, water inlet and the described nitre that level biochemistry pool, water inlet are connected with described one-level biochemistry pool outlet
Nitrification sedimentation tank, water inlet that change sedimentation tank preliminary sedimentation district outlet is connected are anti-with what described nitrification sedimentation tank outlet was connected
Nitrification adjusts pond, water inlet and adjusts secondary biochemical pond, water inlet and described two grades that pond outlet is connected with described denitrification
The denitrification sedimentation tank that biochemistry pool outlet is connected.
Processing equipment the most according to claim 1, it is characterised in that also include that water inlet goes out with described denitrification sedimentation tank
UF ultrafiltration system, water inlet and the institute that Sand Filtration System that the mouth of a river is connected, water inlet are connected with described Sand Filtration System outlet
State NF nanofiltration system that UF ultrafiltration system outlet is connected and the RO reverse osmosis that water inlet is connected with described NF nanofiltration system
Permeable system.
Processing equipment the most according to claim 1, it is characterised in that described nitrification sedimentation tank is provided with sludge outlet；
Described processing equipment also includes that import exports, with described nitrification clarifier sludge, sludge concentration tank, import and the institute being connected
Stating the filter press dehydration that sludge concentration tank exports the mud reservoir that is connected, the outlet of import and described mud reservoir is connected is
System.
4. according to the processing equipment described in claims 1 to 3 any one, it is characterised in that described nitrification sedimentation tank preliminary sedimentation district
Be provided with nitrification liquid bypass outlet, described one-level biochemistry pool be provided with nitrification liquid backflow import, described nitrification liquid bypass outlet with
The backflow import of described nitrification liquid is connected.
5. according to the processing equipment described in claims 1 to 3 any one, it is characterised in that described denitrification sets in adjusting pond
It is equipped with mixing plant；
Also include total nitrogen monitoring device, adjust the total nitrogen concentration of pool inner water sample for monitoring described denitrification.
6. according to the processing equipment described in claims 1 to 3 any one, it is characterised in that described denitrification sedimentation tank is arranged
Having recycling effluent mouth, described denitrification adjustment pond to be provided with and pass back into the mouth of a river, described recycling effluent mouth passes back into the mouth of a river with described
It is connected.
7. according to the processing equipment described in claims 1 to 3 any one, it is characterised in that described denitrification sedimentation tank is arranged
Having sludge reflux to export, described one-level biochemistry pool is provided with sludge reflux entrance, and the outlet of described sludge reflux is returned with described mud
Inflow entrance is connected.
Processing equipment the most according to claim 2, it is characterised in that described NF nanofiltration system is provided with concentrated solution outlet；
Described processing equipment also includes that the concentrated solution that concentrated solution import is connected with described NF nanofiltration system concentrated solution outlet processes
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644042.8A CN106145351A (en) | 2016-08-08 | 2016-08-08 | The processing equipment of garbage incinerating power plant Leachate site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644042.8A CN106145351A (en) | 2016-08-08 | 2016-08-08 | The processing equipment of garbage incinerating power plant Leachate site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294573A (en) * | 2019-07-10 | 2019-10-01 | 哈尔滨锅炉厂有限责任公司 | It is a kind of to utilize UASB anaerobic reactor, MBR, ultrafiltration and reverse osmosis treatment landfill leachate system |
| CN110563176A (en) * | 2019-09-17 | 2019-12-13 | 贵州欧瑞欣合环保股份有限公司 | landfill leachate stage filtration processing system |
| CN115304207A (en) * | 2021-05-06 | 2022-11-08 | 河北邯钢冷轧薄板有限公司 | Biochemical pond constant temperature system of sewage treatment system |
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| CN115304207A (en) * | 2021-05-06 | 2022-11-08 | 河北邯钢冷轧薄板有限公司 | Biochemical pond constant temperature system of sewage treatment system |
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