CN205603370U - Isolated plant of landfill leachate nanofiltration concentrate zero release technology - Google Patents
Isolated plant of landfill leachate nanofiltration concentrate zero release technology Download PDFInfo
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- CN205603370U CN205603370U CN201620420810.7U CN201620420810U CN205603370U CN 205603370 U CN205603370 U CN 205603370U CN 201620420810 U CN201620420810 U CN 201620420810U CN 205603370 U CN205603370 U CN 205603370U
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Abstract
Isolated plant of landfill leachate nanofiltration concentrate zero release technology, its characterized in that: it strains unit (1), the once concentrated unit (4) of concentrated unit (3), one -level material membrane secondary, resin adsorption tanks (5), second grade material membrane unit (6), resin desorption jar (7) and sedimentation tank (8) of processing unit (2), one -level material membrane in advance including receiving, the utility model discloses whole in -process concentrate need not outer arranging, has realized landfill leachate nanofiltration concentrate's zero release, has improved nanofiltration system's water recovery rate, has practiced thrift the water resource, has protected the environment.
Description
Technical field
This utility model belongs to percolate and concentrates liquid processing technology field, the most just relates to rubbish and oozes
The special purpose device of filtrate nanofiltration concentrated solution technique of zero discharge.
Background technology
Percolate belongs to high ammonia nitrogen organic wastewater, it is generally required to by biochemical treatment reduce ammonia nitrogen concentration and
Organic concentration, after biochemistry, the ammonia nitrogen in percolate and major part Organic substance are all available effectively
Remove, but possibly together with the humic acids of substantial amounts of difficult for biological degradation, then after nanofiltration separation, humic acids is received
Membrane retention is in concentrated solution, and this makes nano-filtration unit produce substantial amounts of concentrated solution, seriously polluted, if directly
Removing it as pollutant, its intractability is greatly, costly；If being reclaimed, then difficult separation and recycling,
Cost is high.
Humic acids is the mixture of a kind of complexity, is divided into fulvic acid, ulmic acid and humic acid.Humic acids contains
More functional group, has good biological activity, can as fertilizer, auxiliary pharmaceutical adjuvant, adsorbent etc.,
If by three kinds of humic acids separation and Extraction in nanofiltration concentrated solution out, remaining concentrated solution returns biochemical system,
Avoid the outer row of nanofiltration concentrated solution, thus realize the zero-emission of nanofiltration concentrated solution, and also nanofiltration can be improved
The recycled in its entirety rate of system.
Utility model content
The purpose of this utility model is aiming at above-mentioned conventional garbage percolate nanofiltration concentrated solution and separates the skill of difficulty
Art defect, it is provided that the special purpose device of a kind of percolate nanofiltration concentrated solution technique of zero discharge, first by rubbish
Percolate bio-chemical effluent carries out nanofiltration membrane separation, obtains nanofiltration concentrated solution, then uses two-stage material film to divide successively
From, resin absorption and desorption, the method for acid out precipitation, finally give fulvic acid, ulmic acid and humic acid,
Carrying out resource recycling, the concentrated solution of residual returns biochemical system circular treatment, whole during without dense
Arrange outside contracting liquid, it is achieved thereby that the zero-emission of percolate nanofiltration concentrated solution.
Technical scheme
To achieve these goals, the percolate nanofiltration concentrated solution technique of zero discharge of this utility model design
Special purpose device, it is characterised in that: it includes that nano-filtration unit, pretreatment unit, one-level material film are the denseest
Contracting unit, one-level material film secondary concentration unit, resin absorption tank, two grades of material film units, resin desorption
Tank and sedimentation tank；
Former pond is connected with nano-filtration unit, and equipped with the first intake pump on connecting line, the permeate of nano-filtration unit is defeated
Going out end and connect product pond, the concentrated solution outfan of nano-filtration unit connects intermediate pool, the outfan of intermediate pool
Connecting pretreatment unit, equipped with the second intake pump on connecting line, the outfan of pretreatment unit connects one-level
Material film once concentration unit, the permeate outfan of one-level material film once concentration unit connects two grades of materials
Film unit, the permeate outfan of two grades of material film units connects product pond, the concentration of two grades of material film units
Liquid outfan connects return biochemical system, and the concentrated solution outfan of one-level material film once concentration unit connects one
Level material film secondary concentration unit, the permeate outfan of one-level material film secondary concentration unit connects resin and inhales
Attached tank, the concentrated solution outfan of one-level material film secondary concentration unit connects sedimentation tank, the tree of resin absorption tank
Fat outfan connects resin desorption tank, and the debris outfan of resin absorption tank connects intermediate pool, and resin takes off
The outfan of attached tank connects fulvic acid case, and the precipitate outfan of sedimentation tank connects palm fibre humic acid case, sedimentation tank
Debris outfan connect back to intermediate pool.
Further, described nano-filtration unit, one-level material film once concentration unit, one-level material film secondary concentration
Unit and two grades of material film units are equipped with filter and membrane module, equipped with height between filter and membrane module
Press pump, circulating pump.
Further, described resin desorption tank is provided with dosing pump and dosing tank.
Beneficial effect
The special purpose device of the percolate nanofiltration concentrated solution technique of zero discharge that this utility model provides, by rubbish
Percolate bio-chemical effluent carries out nanofiltration and retains separation, obtains nanofiltration concentrated solution, then uses two-stage thing successively
Material membrance separation, resin absorption hit desorption, the method for acid out precipitation, obtain fulvic acid, ulmic acid and humic acid,
Three kinds of humic acidss carry out resource recycling, whole during concentrated solution without outer row, it is achieved thereby that rubbish
The zero-emission of rubbish percolate nanofiltration concentrated solution, improves the Water Sproading rate of nanofiltration system, has saved water resource,
Protect environment.
Accompanying drawing explanation
Accompanying drawing 1 is the connection diagram of this utility model embodiment.
Accompanying drawing 2 is the process chart of this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is described further.
Embodiment
As shown in Figure 1, the special purpose device of percolate nanofiltration concentrated solution technique of zero discharge, it includes receiving
Filter unit 1, pretreatment unit 2, one-level material film once concentration unit 3, one-level material film secondary concentration list
Unit 4,5, two grades of material film units 6 of resin absorption tank, resin desorption tank 7 and sedimentation tank 8；
Former pond 9 is connected with nano-filtration unit 1, equipped with the first intake pump 10 on connecting line, nano-filtration unit 1
Permeate outfan connects product pond 13, and the concentrated solution outfan of nano-filtration unit 1 connects intermediate pool 11, in
Between pond 11 outfan connect pretreatment unit 2, equipped with the second intake pump 12, pretreatment on connecting line
The outfan of unit 2 connects one-level material film once concentration unit 3, one-level material film once concentration unit 3
Permeate outfan connects two grades of material film units 6, and the permeate outfan of two grades of material film units 6 connects product
Pond 13, the concentrated solution outfan of two grades of material film units 6 connects return biochemical system, one-level material film one
The concentrated solution outfan of secondary upgrading unit 3 connects one-level material film secondary concentration unit 4, one-level material film secondary
The permeate outfan of upgrading unit 4 connects resin adsorption tanks 5, one-level material film secondary concentration unit 4 dense
Contracting liquid outfan connects sedimentation tank 8, and the resin outfan of resin absorption tank 5 connects resin desorption tank 7, resin
The debris outfan of adsorption tanks 5 connects intermediate pool 11, and the outfan of resin desorption tank 7 connects fulvic acid
Case 14, the precipitate outfan of sedimentation tank 8 connects palm fibre humic acid case 15, the debris outfan of sedimentation tank 8
Connect back to intermediate pool 11.
Described nano-filtration unit 1, one-level material film once concentration unit 3, one-level material film secondary concentration unit 4
And two grades of material film units 6 are equipped with filter and membrane module, equipped with high pressure between filter and membrane module
Pump, circulating pump.
Described resin desorption tank 7 is provided with dosing pump and dosing tank.
As shown in Figure 2, the said equipment is utilized to carry out the work of percolate nanofiltration concentrated solution zero discharge treatment
Skill process is as follows:
The first step, percolate bio-chemical effluent enters nano-filtration unit, and under a certain pressure, NF membrane is by water
The larger molecular organics of middle residual is retained in concentrated solution, produces water discharge.
Second step, nanofiltration concentrated solution enters pretreatment unit, the SS etc. in the pH of regulation waste water and removal water.
3rd step, pretreatment water outlet enters one-level material film once concentration unit, under a certain pressure, waste water
In humic acids be trapped within concentrated solution, produce water enter two grades of material film units, carry out concentrating and separating,
To producing water discharge, concentrated solution returns biochemical system circular treatment.
4th step, the concentrated solution of one-level material film once concentration unit enters two grades of material film secondary concentration unit,
Under a certain pressure, the ulmic acid in waste water, humic acid are trapped within concentrated solution, and fulvic acid is former through film
Part, forms fulvic acid solution.
5th step, the fulvic acid solution that the 4th step obtains enters resin absorption tank, regulates wastewater pH ＞ 7, by Huang
Rotten acid adsorbs from solution, then by adding desorbing agent, is desorbed by fulvic acid and isolates from resin
Come, and separate the solution after fulvic acid and be back to pretreatment unit circular treatment；The concentrated solution that 4th step obtains
Point two ways separates: mode one is addition strong acid in concentrated solution, regulates pH to 2.1～2.3, by black corruption
Acid is separated from concentrated solution, adds strong acid the most again, adjust pH to≤2.0, by palm fibre in concentrated solution
Rotten acid is separated from solution, and last debris is back to pretreatment unit circular treatment；Mode two is
Directly regulating pH≤2.0, make ulmic acid and humic acid all Precipitations from solution, debris returns pretreatment
Unit circular treatment.
The special purpose device of the percolate nanofiltration concentrated solution technique of zero discharge that this utility model provides, by rubbish
Percolate bio-chemical effluent carries out nanofiltration and retains separation, obtains nanofiltration concentrated solution, then uses two-stage thing successively
Material membrance separation, resin absorption hit desorption, the method for acid out precipitation, obtain fulvic acid, ulmic acid and humic acid,
Three kinds of humic acidss carry out resource recycling, whole during concentrated solution without outer row, it is achieved thereby that rubbish
The zero-emission of rubbish percolate nanofiltration concentrated solution, improves the Water Sproading rate of nanofiltration system, has saved water resource,
Protect environment.
Claims (3)
1. the special purpose device of percolate nanofiltration concentrated solution technique of zero discharge, it is characterised in that: it includes
Nano-filtration unit (1), pretreatment unit (2), one-level material film once concentration unit (3), one-level material film two
Secondary upgrading unit (4), resin absorption tank (5), two grades of material film units (6), resin desorption tanks (7) and precipitation
Pond (8)；
Former pond (9) is connected with nano-filtration unit (1), equipped with the first intake pump (10), nanofiltration list on connecting line
The permeate outfan of unit (1) connects product pond (13), and the concentrated solution outfan of nano-filtration unit (1) connects middle
Pond (11), the outfan of intermediate pool (11) connects pretreatment unit (2), equipped with second on connecting line
Intake pump (12), the outfan of pretreatment unit (2) connects one-level material film once concentration unit (3), one-level
The permeate outfan of material film once concentration unit (3) connects two grades of material film units (6), two grades of material films
The permeate outfan of unit (6) connects product pond (13), the concentrated solution outfan of two grades of material film units (6)
Connecting and return biochemical system, the concentrated solution outfan of one-level material film once concentration unit (3) connects one-level thing
Material film secondary concentration unit (4), the permeate outfan of one-level material film secondary concentration unit (4) connects resin
Adsorption tanks (5), the concentrated solution outfan of one-level material film secondary concentration unit (4) connects sedimentation tank (8), tree
The resin outfan of fat adsorption tanks (5) connects resin desorption tank (7), the debris output of resin absorption tank (5)
End connects intermediate pool (11), and the outfan of resin desorption tank (7) connects fulvic acid case (14), sedimentation tank (8)
Precipitate outfan connect palm fibre humic acid case (15), the debris outfan of sedimentation tank (8) connects back to centre
Pond (11).
2. the special purpose device of percolate nanofiltration concentrated solution technique of zero discharge as claimed in claim 1,
It is characterized in that: described nano-filtration unit (1), one-level material film once concentration unit (3), one-level material film two
Secondary upgrading unit (4) and two grades of material film units (6) are equipped with filter and membrane module, filter and film group
Equipped with high-pressure pump, circulating pump between part.
3. the special purpose device of the percolate nanofiltration concentrated solution technique of zero discharge as shown in claim 1,
It is characterized in that: described resin desorption tank (7) is provided with dosing pump and dosing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620420810.7U CN205603370U (en) | 2016-05-10 | 2016-05-10 | Isolated plant of landfill leachate nanofiltration concentrate zero release technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620420810.7U CN205603370U (en) | 2016-05-10 | 2016-05-10 | Isolated plant of landfill leachate nanofiltration concentrate zero release technology |
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| CN205603370U true CN205603370U (en) | 2016-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357312A (en) * | 2019-08-05 | 2019-10-22 | 蒋遂安 | A kind of landfill leachate harmless resource system processing equipment and method |
-
2016
- 2016-05-10 CN CN201620420810.7U patent/CN205603370U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357312A (en) * | 2019-08-05 | 2019-10-22 | 蒋遂安 | A kind of landfill leachate harmless resource system processing equipment and method |
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