CN209242840U - A kind of landfill leachate resources processing complete set of equipments - Google Patents

Abstract

The utility model discloses a kind of landfill leachate resources to handle complete set of equipments, including landfill leachate conditioning tank and processing unit.Processing unit includes sequentially connected reaction tank, Dynamic membrane-separation system, immersion ultrafiltration pond, counter-infiltration system, roll-to-roll ultrafiltration system and nanofiltration recovery system.Concentration liquid zone and filtrate area are separated by reverse osmosis membrane inside counter-infiltration system, liquid zone is concentrated and is equipped with an inlet and a concentrated solution outlet, filtrate area is equipped with a filtrate (liquid, the liquid outlet in inlet connection immersion ultrafiltration pond, concentrated solution outlet is connect by outlet tube with the inlet of roll-to-roll ultrafiltration system, and rolling ultrafiltration membrane is equipped in roll-to-roll ultrafiltration system.The utility model by by dynamic membrane system, ultrafiltration, nanofiltration and it is reverse osmosis be combined together, the landfill leachate handled can be made to reach discharge standard, while recycling the utilities such as NaCl therein, realize resource utilization.

Description

A kind of landfill leachate resources processing complete set of equipments

Technical field

The utility model relates to landfill leachate treatment field, in particular to a kind of landfill leachate resources processing is complete Equipment.

Background technique

The processing of percolated liquid in city refuse landfill is always very intractable in Landfill Site Design, operation and management asks Topic.Percolate is product of the liquid in landfill yard gravity flowing, is mainly derived from the interior aqueous of precipitation and rubbish itself.City rubbish Rubbish landfill percolate is a kind of high concentrated organic wastewater of complicated component, is directly discharged into environment if untreated, will cause Serious environmental pollution.For the purpose of protecting environment, it is essential for carrying out processing to percolate.

There are many treatment process of landfill leachate, and it is exactly reverse osmosis for answering in garbage leachate treatment process with the most use Method, existing reverse osmosis treatment are usually to cause landfill yard salinity long-term reverse osmosis obtained concentrated water recharge refuse landfill Enrichment.Northerly some rubbish factories are because annual rainfall is less, and landfill leachate salt concentration is higher, and the concentrated water of recharge increases again The problem of having added the salt content of percolate, while having also resulted in the decline of its biodegradability.So needing to develop one kind can either make Treated that filtrate reaches discharge standard, and the processing system and work of the wherein landfill leachate of utility can be recycled Skill.

Summary of the invention

It is arranged in view of the above-mentioned problems, being processed into the purpose of this utility model is to provide a kind of landfill leachate resources Standby, can either making that treated, filtrate reaches discharge standard, and can recycle utility therein.

To achieve the goals above, the technical solution adopted in the utility model is as follows:

A kind of landfill leachate resources processing complete set of equipments, including landfill leachate conditioning tank and processing unit.It is described Processing unit include that sequentially connected reaction tank, Dynamic membrane-separation system, immersion ultrafiltration pond, counter-infiltration system, rolling are super Filter system and nanofiltration recovery system.Concentration liquid zone and filtrate area are separated by reverse osmosis membrane inside the counter-infiltration system, The concentration liquid zone be equipped with an inlet and a concentrated solution outlet, the filtrate area be equipped with a filtrate (liquid, it is described into Liquid mouth connects the liquid outlet in immersion ultrafiltration pond, and the concentrated solution outlet passes through the inlet of outlet tube and roll-to-roll ultrafiltration system Connection.Rolling ultrafiltration membrane is equipped in the roll-to-roll ultrafiltration system.

Further, in order to reduce the flow velocity of concentrate, mitigate the filter pressure of roll-to-roll ultrafiltration system, the outlet tube It is equipped with regulating valve, the outlet tube is equipped in the front end of the regulating valve and seals the relief tube being connected to, the relief tube with it It is equipped with relief valve.

Further, the roll-to-roll ultrafiltration internal system is separated into feed liquor area by rolling ultrafiltration membrane and penetrates liquid zone, It is preferred that the big flux high pressure rolling ultrafiltration membrane of rolling, feed liquor area is equipped with inlet and concentrated solution outlet, and concentrated solution outlet passes through pipeline It is connected to the first intermediate pool.It being exported through liquid zone equipped with permeate, permeate outlet is connected to the second intermediate pool by pipeline, the The liquid outlet of two intermediate pools is connected to the inlet of nanofiltration recovery system.

Further, the nanofiltration recovery system includes nanofiltration pond, the first MVR evaporator and the 2nd MVR evaporator, institute The nanofiltration pond stated is separated into monovalent salt pool and divalent salts pool by nanofiltration membrane.The monovalent salt pool be equipped with inlet and Monovalence brine outlet, monovalence brine outlet are connected to the first MVR evaporator by pipeline.The divalent salts pool is equipped with divalent Brine outlet, divalent brine outlet are connected to the 2nd MVR evaporator by pipeline.

Further, the immersion ultrafiltration pond is equipped with an inlet and a liquid outlet, the feed liquor in immersion ultrafiltration pond Mouth is connect by pipeline with the liquid outlet of Dynamic membrane-separation system, and the liquid outlet in immersion ultrafiltration pond passes through pipeline and reverse osmosis system The inlet of system connects.Submerged ultrafiltration component and aeration tube, the aeration tube are equipped in the immersion ultrafiltration pond It is located at the lower section of submerged ultrafiltration component, the external ozone generator of the aeration tube.

Further, the Dynamic membrane-separation system includes stoste slot, Dynamic Membrane hopper, Dynamic membrane-separation unit, filter Flow container and doctor unit.The Dynamic membrane-separation unit includes rack, forms a waste liquid tank in the rack, in waste liquid tank Equipped with a cyclic annular thin-walled rotary drum, the rotary drum is equipped with percolate collection tubes, the filter in center axis rotation, the rotary drum Liquid collecting pipe is connected to the inlet of filtrate tank by pipeline.Several are offered on rotary drum to be connected with the percolate collection tubes Filtrate hole, be enclosed at least one layer of filter cloth on the rotary drum outer ring surface, formed on filter cloth formed by dynamic coating it is dynamic State UF membrane layer.The stoste slot and Dynamic Membrane hopper is connected to waste liquid tank by pipeline, and the filtrate hole passes through branch pipe Connect the percolate collection tubes of rotary drum.The doctor unit includes a scraper, and the doctor unit is set in rack, scraper energy Enough to move forward or back along the rotary drum, the Dynamic membrane-separation unit side is equipped with a solid waste discharge mouth, described Solid waste discharge mouth connects the doctor unit.The top of the stoste slot is connected to the liquid out of reaction tank by pipeline Mouthful.

Further, the filtrate tank is closed filtrate tank, and the filtrate tank top is connected to vacuum by pipeline Pump, the vacuum pump are connected with a gas treatment equipment, are equipped with active carbon in the gas treatment equipment.The rack Top is covered with a cover, and the side of the cover opens up solid waste discharge mouth, is equipped with heating device, institute below the cover The heating device stated is made of several infrared heating lamps or several immerging metal tube heaters.

Further, the stoste slot is double-layer structure, is installed on the lateral wall of the stoste slot internal layer several super Acoustic wave transducer, several ultrasonic oscillators are connected with the supersonic generator being set to outside stoste slot.The waste liquid tank is in circular arc Shape or convex polygonal shape, are installed with several ultrasonic oscillators on the outer wall of waste liquid tank, several ultrasonic oscillators be set to rack External supersonic generator is connected.The filtrate pipe includes filtrate branch pipe and backwash manifold, on the filtrate branch pipe Equipped with the first valve, the backwash manifold is equipped with water pump and the second valve.

Further, the coating of the Dynamic Membrane hopper is diatomite, kaolin, fine grained active carbon, perlite, fine coal The mixture of one or more of ash, MnO2, TiO2, ZrO2.

Further, the reaction tank be equipped with the first medicine-adding bin and the second medicine-adding bin, first medicine-adding bin and Second medicine-adding bin passes through pipeline respectively and is connected to reaction tank, the medicament in first medicine-adding bin be FeCl3 or calcium hydroxide, it is described Medicament in second medicine-adding bin is Al2 (SO4) 3 or aluminium polychloride.The counter-infiltration system front end is equipped with third medicine-adding bin, The third medicine-adding bin is connected to by pipeline with the inlet of counter-infiltration system, and the medicament in the third medicine-adding bin is scale inhibition Agent.Agitating device is equipped in first medicine-adding bin, the second medicine-adding bin and third medicine-adding bin.

Compared with prior art, the utility model has the following beneficial effects:

1, by by dynamic membrane system, ultrafiltration, nanofiltration and it is reverse osmosis be combined together, reaching for landfill leachate may be implemented Mark discharge, can also recycle the utilities such as NaCl therein in the filtrate for needing recharge refuse landfill originally, realize money Sourceization utilizes；

2, before ultrafiltration system, reverse osmosis concentrated water is recycled by setting regulating valve, relief tube and relief valve etc. Overbottom pressure, while the carrying pressure of back segment rolling ultrafiltration membrane can also be mitigated, realize most efficient filtering；

3, the application of Dynamic Membrane makes filter medium become filter screen and precoated shet from single filter screen, due to Dynamic Membrane (precoated shet) is to be made of subparticle, thus constitute countless micropores and cooperatively complete filtering Jie with the diluter strainer of mesh The work of matter, under high vacuum effect, the high filtrate of available clarity；

4, it is provided with ultrasonic system, improve the treatment effeciency of separation of solid and liquid: stoste groove ultrasonic system can play The effect of solidliquid mixture, the solidliquid mixture processing of particularly suitable north of china in winter are heated, while promoting the stirring of liquid, so that Stoste is more uniform；Treatment trough ultrasonic system is conducive to be separated by solid-liquid separation, and improves treatment effeciency；

5, in the top of rotary drum, cover is set, entire rotary drum is covered, heating device is provided with below cover；On the one hand Purification run space, the smell diffusion for avoiding siccative from generating, pollutes environment.On the other hand, under heating device effect, heating Siccative and moisture therein accelerate the desiccation of material so that partial moisture is fallen as vapor；

6, Dynamic membrane-separation system is provided with back purge system, can carry out backwash to rotary drum, thus effectively cleaning filter Cloth can restore separative efficiency in time.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that landfill leachate resources handle complete set of equipments.

Fig. 2 is the structural schematic diagram of Dynamic membrane-separation system described in the utility model.

Fig. 3 is the rotary drum side view of Dynamic membrane-separation system.

Primary clustering symbol description: 1, landfill leachate conditioning tank；2, reaction tank；21, the first medicine-adding bin；22, second adds Explosive barrel；3, Dynamic membrane-separation system；30, Dynamic membrane-separation unit；301, rack；302, waste liquid tank；3021, rotary drum；3022, it filters Liquid collecting pipe；3023, filter cloth；3024, Dynamic membrane-separation layer；3025, branch pipe；303, cover；3031, solid waste discharge Mouthful；304, infrared heating lamp；305, the first ultrasonic oscillator；306, the first supersonic generator；31, stoste slot；311, Two ultrasonic oscillators；312, the second supersonic generator；32, Dynamic Membrane hopper；33, filtrate tank；331, filtrate tank；3311, it filters Liquid branch pipe；33111, the first valve；3312, backwash manifold；33121, water pump；33122, the second valve；332, vacuum pump；333, Gas treatment equipment；34, scraper；4, immersion ultrafiltration pond；401, inlet；402, liquid outlet；41, submerged ultrafiltration group Part；42, aeration tube；421, ozone generator；5, counter-infiltration system；50, big flux high pressure reverse osmosis membrane；51, liquid zone is concentrated； 511, inlet；512, concentrated solution outlet；513, outlet tube；5131, regulating valve；514, relief tube；5141, relief valve；52, it filters Liquid zone；521, filtrate (liquid；53, third medicine-adding bin；6, roll-to-roll ultrafiltration system；60, the big flux high pressure ultra film of rolling；61, into Liquid zone；611, inlet；612, concentrated solution outlet；62, through liquid zone；621, permeate exports；7, nanofiltration recovery system；70, Nanofiltration membrane；71, nanofiltration pond；711, monovalent salt pool；7111, inlet；7112, monovalence brine outlet；712, divalent salts pool； 7121, divalent brine outlet；72, the first MVR evaporator；73, the 2nd MVR evaporator；81, the first water pump；82, the second water pump； 83, third water pump；84, the 4th water pump；91, the first intermediate pool；92, the second intermediate pool；10, blender.

Specific embodiment

With reference to the accompanying drawings and detailed description, the utility model is described further.

As shown in Figure 1-3, a kind of landfill leachate resources handle complete set of equipments, including sequentially connected landfill leachate Conditioning tank 1, the first water pump 81, reaction tank 2, Dynamic membrane-separation system 3, the second water pump 82, immersion ultrafiltration pond 4, third water pump 83, counter-infiltration system 5, roll-to-roll ultrafiltration system 6, the 4th water pump 84 and nanofiltration recovery system 7.

Reaction tank 2 is equipped with the first medicine-adding bin 21 and the second medicine-adding bin 22, and the first medicine-adding bin 21 and the second medicine-adding bin 22 divide Not Tong Guo pipeline be connected to reaction tank 2, the medicament in the first medicine-adding bin 21 is calcium hydroxide, and the medicament in the second medicine-adding bin 22 is poly- Close aluminium chloride.5 front end of counter-infiltration system is equipped with third medicine-adding bin 53, and third medicine-adding bin 53 passes through pipeline and counter-infiltration system 5 Inlet 511 is connected to, and the medicament in third medicine-adding bin 53 is antisludging agent.First medicine-adding bin 21, the second medicine-adding bin 22, third dosing Blender 10 is equipped in bucket 53, landfill leachate conditioning tank 1 and reaction tank 2.

Dynamic membrane-separation system 3 includes Dynamic membrane-separation unit 30, stoste slot 31, Dynamic Membrane hopper 32,33 and of filtrate tank Scraper 34.Dynamic membrane-separation unit 30 includes rack 301, and a waste liquid tank 302 is formed in rack 301, and waste liquid tank 302 is in circular arc Shape shape, is installed with several first ultrasonic oscillators 305 on the outer wall of waste liquid tank 302, several first ultrasonic oscillators 305 with set The first supersonic generator 306 outside rack 301 is connected.

A circular thin-walled rotary drum 3021 is equipped in waste liquid tank 302, rotary drum 3021 is rotated around central axis (not shown), Percolate collection tubes 3022 are equipped in rotary drum 3021, percolate collection tubes 3022 are connected to the feed liquor of filtrate tank 33 by filtrate pipe 331 Mouthful, filtrate pipe 331 includes filtrate branch pipe 3311 and backwash manifold 3312, and filtrate branch pipe 3311 is equipped with the first valve 33111, Backwash manifold 3312 is equipped with water pump 33121 and the second valve 33122.Several and percolate collection tubes are offered on rotary drum 3021 The 3022 filtrate hole (not shown)s being connected, are enclosed with one layer of filter cloth 3023 on 3021 outer ring surface of rotary drum, on filter cloth 3023 The Dynamic membrane-separation layer 3024 formed by dynamic coating is formed, the coating in Dynamic Membrane hopper 32 is flyash and ZrO2 Mixture.

301 top of rack is covered with a cover 303, and the side of cover 303 opens up solid waste discharge mouth 3031, scraper 34 In rack 301, scraper 34 can be moved forward or back along rotary drum 3021, and solid waste discharge mouth 3031 connects scraper 34. Heating device is equipped with below cover 303, heating device is made of several infrared heating lamps 304.Stoste slot 31 and Dynamic Membrane Hopper 32 is connected to waste liquid tank 302 by pipeline, and filtrate hole connects the percolate collection tubes 3022 of rotary drum 3021 by branch pipe 3025.

Stoste slot 31 is double-layer structure, is installed with several second ultrasonic oscillators 311 on the lateral wall of 31 internal layer of stoste slot, Several second ultrasonic oscillators 311 are connected with the second supersonic generator 312 being set to outside stoste slot 31.Stoste slot 31 it is upper Portion is connected to the liquid outlet of reaction tank 2 by pipeline.Filtrate tank 33 is closed filtrate tank, is connected at the top of filtrate tank 33 by pipeline To vacuum pump 332, vacuum pump 332 is connected with a gas treatment equipment 333, is equipped with active carbon in gas treatment equipment 333.

Concentration liquid zone 51 and filtrate area 52 are separated by big flux high pressure reverse osmosis membrane 50 inside counter-infiltration system 5, it is dense Contracting liquid zone 51 is equipped with inlet 511 and concentrated solution outlet 512, and filtrate area 52 is equipped with filtrate (liquid 521, the connection of inlet 511 the Three water pumps 83.The concentrated solution outlet 512 of counter-infiltration system 5 is connected by outlet tube 513 and the inlet 611 of roll-to-roll ultrafiltration system 6 It connects, outlet tube 513 is equipped with regulating valve 5131, and outlet tube 513 is equipped in the front end of regulating valve 5131 and seals letting out of being connected to it Pressure pipe 514, relief tube 514 are equipped with relief valve 5141.

Feed liquor area 61 is separated by the big flux high pressure ultra film 60 of rolling inside roll-to-roll ultrafiltration system 6 and penetrates liquid zone 62, feed liquor area 61 is equipped with inlet 611 and concentrated solution outlet 612, and the concentrated solution outlet 612 of roll-to-roll ultrafiltration system 6 passes through pipeline It is connected to the first intermediate pool 91, the filtrate recharge that the first intermediate pool 91 is collected into refuse landfill.It is equipped with through liquid zone 62 saturating Liquid outlet 621 is crossed, permeate outlet 621 is connected to the second intermediate pool 92 by pipeline, and the liquid outlet of the second intermediate pool 92 passes through Pipeline is connected to the 4th water pump 84, and the 4th water pump 84 is connected to the inlet that sodium filters recovery system 7 by pipeline.

Nanofiltration recovery system 7 includes nanofiltration pond 71, the first MVR evaporator 72 and the 2nd MVR evaporator 73, and nanofiltration pond 71 is logical It crosses nanofiltration membrane 70 and is separated into monovalent salt pool 711 and divalent salts pool 712.Monovalent salt pool 711 is equipped with inlet 7111 and one Valence brine outlet 7112, monovalence brine outlet 7112 are connected to the first MVR evaporator 72 by pipeline.Divalent salts pool 712 is set There is divalent brine outlet 7121, divalent brine outlet 7121 is connected to the 2nd MVR evaporator 73 by pipeline.

Immersion ultrafiltration pond 4 is equipped with an inlet 401 and a liquid outlet 402, and the inlet 401 in immersion ultrafiltration pond 4 is logical Piping is connected to the second water pump 82, and the second water pump 82 is connect by pipeline with the liquid outlet of Dynamic membrane-separation system 3.Immersion Submerged ultrafiltration component 41 and aeration tube 42 are equipped in ultrafiltration pond 4, aeration tube 42 is located under submerged ultrafiltration component 41 Side, the external ozone generator 421 of aeration tube 42.

When specifically used, landfill leachate enters reaction tank after the collection of landfill leachate conditioning tank 1, through the first water pump 81 2, the aluminium polychloride in the calcium hydroxide of the first explosive barrel 21 and the second explosive barrel 22 enters reaction tank 2, calcium hydroxide and polymerization by pump Aluminium chloride reacts in reaction tank 2 with landfill leachate.After coagulating, mixed liquor enter in Dynamic membrane-separation system 3 into Row is separated by solid-liquid separation.

Setting blender 10 is stirred evenly for stirring pre- coating in the Dynamic Membrane hopper 32 of Dynamic membrane-separation system 3 Coating is under the action of water pump, into the waste liquid tank 302 of Dynamic membrane-separation system 3.Landfill leachate to be processed is in stoste In slot 31, under the action of ultrasonic wave, temperature gets a promotion, and biological cell therein is by broken wall.Later, landfill leachate is through pipe Road flows into waste liquid tank 302.

Before carrying out Dynamic membrane-separation, the precoating of advanced Mobile state UF membrane layer 3024, by filter cloth 3023 and Dynamic Membrane point Absciss layer 3024 is completed to be separated by solid-liquid separation jointly.Under the swabbing action of vacuum pump 332, needed for gradually being sucted in 3021 outer surface of rotary drum 3024 thickness of Dynamic membrane-separation layer wanted, reinjects landfill leachate, under vacuum suction effect, starts to be separated by solid-liquid separation. Filtered solution is inhaled into 3021 internal channel of rotary drum and is pumped, and the coagulum in landfill leachate is attracted to Dynamic membrane-separation layer 3024 Surface is scraped off by scraper 34.34 auto-feed of scraper constantly scrapes off contaminated dynamic film coating layer 3024, when Dynamic Membrane applies After the bed of material 3024 is scraped clean, when apart from 3021 surface certain distance (about 15mm) of rotary drum, scraper 34 is automatically stopped feeding, so Withdrawing afterwards re-starts precoating, into next working cycles.Filtered solution is under the suction of vacuum pump 332, into each branch pipe 3025, it is extracted subsequently into percolate collection tubes 3022.

When Dynamic membrane-separation system 3 is run to after a certain period of time, filter cloth 3023 is blocked, separative efficiency decline, thus It needs to carry out backwash, to restore separative efficiency, closes vacuum pump 332 and the first valve 33111 at this time, open 33121 He of water pump Second valve 33122, filtrate are extracted from filtrate tank 33, into rotary drum 3021, backwash to filter cloth 3023.

Collecting solid castoff post-processing after the separation of Dynamic membrane-separation system 3, and filtered solution then enters subsequent processing. It is introduced into immersion ultrafiltration pond 4 to be filtered, ozone generator 421 provides gas, carries out the processing such as oxidation dehydration, treated Filtered water enters back into counter-infiltration system 5, the big flux high pressure reverse osmosis membrane 50 of setting, processed permeate in counter-infiltration system 5 Qualified discharge is further processed, and waste water adds antisludging agent by third explosive barrel 53 before entering counter-infiltration system 5.It is flowed with height The concentrate of speed enters roll-to-roll ultrafiltration system 6, and regulating valve 5131, pressure release are arranged between counter-infiltration system 5 and roll-to-roll ultrafiltration system 6 Pipe 514 and relief valve 5141, to reduce the flow velocity of concentrate, in order to the filtering in ultrafiltration pond 6.Setting rolling is big in ultrafiltration pond 6 Flux high pressure ultra film 60 enters the first intermediate pool 91 by the concentrate that the big flux high pressure ultra film 60 of rolling retains, here Concentrate be largely humic acid, other organic matters etc., into soot, saliferous permeate enters the second intermediate pool for recharge 92, subsequently into being handled in sodium salt recycling system 7.Nanofiltration membrane 70 is set in nanofiltration recovery system 7, passes through nanofiltration membrane 70 Monovalence salt water enters the first MVR evaporator 72 through pipeline and is evaporated to obtain the Nacls such as NaCl, does not pass through the divalent salts of nanofiltration membrane 70 Water enters the 2nd MVR evaporator 73 through pipeline and is evaporated to obtain Nacl, realizes the resource utilization of landfill leachate.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model is made a variety of changes, be the protection scope of the utility model.

Claims (10)

1. a kind of landfill leachate resources handle complete set of equipments, including landfill leachate conditioning tank and processing unit, feature Be: the processing unit includes sequentially connected reaction tank, Dynamic membrane-separation system, immersion ultrafiltration pond, reverse osmosis system System, roll-to-roll ultrafiltration system and nanofiltration recovery system, the counter-infiltration system inside are separated into concentration liquid zone by reverse osmosis membrane With filtrate area, the concentration liquid zone is equipped with an inlet and a concentrated solution outlet, and the filtrate area is equipped with a filtrate (liquid, The liquid outlet in the inlet connection immersion ultrafiltration pond, the concentrated solution outlet pass through outlet tube and roll-to-roll ultrafiltration system Inlet connection, rolling ultrafiltration membrane is equipped in the roll-to-roll ultrafiltration system.

2. a kind of landfill leachate resources as described in claim 1 handle complete set of equipments, it is characterised in that: described goes out liquid Pipe is equipped with regulating valve, and the outlet tube is equipped in the front end of the regulating valve and seals the relief tube being connected to, the pressure release with it Pipe is equipped with relief valve.

3. a kind of landfill leachate resources as described in claim 1 handle complete set of equipments, it is characterised in that: the rolling Feed liquor area is separated by rolling ultrafiltration membrane inside ultrafiltration system and through liquid zone, feed liquor area is equipped with inlet and concentrate goes out Mouthful, concentrated solution outlet is connected to the first intermediate pool by pipeline, exports through liquid zone equipped with permeate, permeate outlet passes through pipe Road is connected to the second intermediate pool, and the liquid outlet of the second intermediate pool is connected to the inlet of nanofiltration recovery system.

4. a kind of landfill leachate resources as claimed in claim 3 handle complete set of equipments, it is characterised in that: the nanofiltration Recovery system includes nanofiltration pond, the first MVR evaporator and the 2nd MVR evaporator, and the nanofiltration pond is separated by nanofiltration membrane Monovalent salt pool and divalent salts pool, the monovalent salt pool are equipped with inlet and monovalence brine outlet, monovalence brine outlet It is connected to the first MVR evaporator by pipeline, the divalent salts pool is equipped with divalent brine outlet, and divalent brine outlet passes through Pipeline is connected to the 2nd MVR evaporator.

5. a kind of landfill leachate resources as described in claim 1 handle complete set of equipments, it is characterised in that: the submergence Formula ultrafiltration pond is equipped with an inlet and a liquid outlet, and the inlet in immersion ultrafiltration pond passes through pipeline and Dynamic membrane-separation system The liquid outlet of liquid outlet connection, immersion ultrafiltration pond is connected by the inlet of pipeline and counter-infiltration system, the immersion Submerged ultrafiltration component and aeration tube are equipped in ultrafiltration pond, the aeration tube is located at the lower section of submerged ultrafiltration component, The external ozone generator of the aeration tube.

6. a kind of landfill leachate resources as described in claim 1 handle complete set of equipments, it is characterised in that: the dynamic Film separation system includes stoste slot, Dynamic Membrane hopper, Dynamic membrane-separation unit, filtrate tank and doctor unit, the Dynamic Membrane Separative unit includes rack, and a waste liquid tank is formed in the rack, and a cyclic annular thin-walled rotary drum is equipped in waste liquid tank, and described turns Drum is equipped with percolate collection tubes in center axis rotation, the rotary drum, and the percolate collection tubes are connected to filtrate by pipeline The inlet of tank, offers several filtrate holes being connected with the percolate collection tubes on rotary drum, on the rotary drum outer ring surface Be enclosed at least one layer of filter cloth, form the Dynamic membrane-separation layer formed by dynamic coating on filter cloth, the stoste slot and Dynamic Membrane hopper is connected to waste liquid tank by pipeline, and the filtrate hole connects the percolate collection tubes of rotary drum by branch pipe, described Doctor unit include a scraper, the doctor unit be set to rack on, scraper can be moved forward or back along the rotary drum, institute The Dynamic membrane-separation unit side stated is equipped with a solid waste discharge mouth, scrapes described in the solid waste discharge mouth connection The top of knife unit, the stoste slot is connected to the liquid outlet of reaction tank by pipeline.

7. a kind of landfill leachate resources as claimed in claim 6 handle complete set of equipments, it is characterised in that: the filtrate Tank is closed filtrate tank, and the filtrate tank top is connected to vacuum pump by pipeline, and the vacuum pump is connected with a gas Processing unit, the gas treatment equipment is interior to be equipped with active carbon, and the upper rack is covered with a cover, the side of the cover While opening up solid waste discharge mouth, heating device is equipped with below the cover, the heating device is by several infrared rays Heating lamp or several immerging metal tube heater compositions.

8. a kind of landfill leachate resources as claimed in claim 6 handle complete set of equipments, it is characterised in that: the stoste Slot is double-layer structure, is installed with several ultrasonic oscillators on the lateral wall of the stoste slot internal layer, several ultrasonic oscillators with set Supersonic generator outside stoste slot is connected, and the waste liquid tank is in arc-shaped or convex polygonal shape, waste liquid tank it is outer Several ultrasonic oscillators are installed on wall, several ultrasonic oscillators are connected with the supersonic generator for being set to Shelf External, described Filtrate pipe include filtrate branch pipe and backwash manifold, the filtrate branch pipe is equipped with the first valve, in the backwash manifold Equipped with water pump and the second valve.

9. a kind of landfill leachate resources as claimed in claim 6 handle complete set of equipments, it is characterised in that: the Dynamic Membrane The coating of hopper is one of diatomite, kaolin, fine grained active carbon, perlite, flyash, MnO2, TiO2, ZrO2.

10. a kind of landfill leachate resources as described in claim 1 handle complete set of equipments, it is characterised in that: described is anti- Ying Chi is equipped with the first medicine-adding bin and the second medicine-adding bin, and first medicine-adding bin and the second medicine-adding bin pass through pipeline and anti-respectively Chi Liantong is answered, the medicament in first medicine-adding bin is FeCl3 or calcium hydroxide, and the medicament in second medicine-adding bin is Al2 (SO4) 3 or aluminium polychloride, the counter-infiltration system front end is equipped with third medicine-adding bin, and the third medicine-adding bin passes through pipe Road is connected to the inlet of counter-infiltration system, and the medicament in the third medicine-adding bin is antisludging agent, first medicine-adding bin, the Agitating device is equipped in two medicine-adding bins and third medicine-adding bin.