CN207047053U - A kind of rubbish percolation liquid membrane concentrate advanced treatment apparatus - Google Patents
A kind of rubbish percolation liquid membrane concentrate advanced treatment apparatus Download PDFInfo
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- CN207047053U CN207047053U CN201720460442.3U CN201720460442U CN207047053U CN 207047053 U CN207047053 U CN 207047053U CN 201720460442 U CN201720460442 U CN 201720460442U CN 207047053 U CN207047053 U CN 207047053U
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Abstract
The utility model provides a kind of rubbish percolation liquid membrane concentrate advanced treatment apparatus, including liquid-liquid extraction top of tower is provided with extraction phase export pipeline, film concentrate entrance, extractant entrance, and tower bottom sets raffinate phase outlet；Solvent reclamation column overhead is connected with liquid-liquid extraction tower extractant entrance, is connected in the middle part of tower with the outlet of liquid-liquid extraction tower extraction phase, bottom of towe exports for humus extract；Ozone oxidation tower water inlet is connected with the outlet of liquid-liquid extraction tower bottom raffinate phase, and delivery port is connected with biological filtering tower combined working；Water inlet is provided with below biological filtering tower combined working, middle part is provided with filter material layer, and top is provided with delivery port；The biological filtering tower combined working delivery port is connected with clear water reserviors water inlet pipe.The utility model is simple in construction, and materialization and biochemical degradation are carried out to rubbish percolation liquid membrane concentrate by the way of continuous flow；It is materialization and the biochemical processing unit combined, can be widely applied to the processing of consumer waste infiltration liquid film concentrate and the processing of industrial organic waste water.
Description
Technical field
A kind of rubbish percolation liquid membrane concentrate advanced treating complexes are the utility model is related to, belong to percolate processing skill
Art field.
Background technology
Municipal refuse fill and incineration technology in percolate the contamination control big technical barrier that is, percolate at present
Processing substantially can using the group technology of " pretreatment+MBR films biosystem+nanofiltration/reverse osmosis advanced processing ", water outlet mostly
Reach China's newest revision in 2008《Refuse landfill pollutant catabolic gene standard》GB16889-2008 discharge standard, due to
NF, RO film widely use in the processing of percolate, then necessarily lead to a certain amount of film concentrate, be approximately into water scale
20% or so.Concentrate contains organic matter and ammonia nitrogen, total nitrogen, high price salinity of a large amount of difficult degradations etc., if being directly discharged into water
Cognition causes water pollution, and can animals and plants in water body be caused with huge toxic action, finally threatens human life and is good for
Health, it can also bring huge economic loss.
At present, the main method of processing percolate nanofiltration concentrate has both at home and abroad：Return spray burning, recharge, advanced oxygen
Change and evaporation etc..Return spray burning and many drawbacks be present, not only lose combustion heat value, very big corruption can be also caused to burning facility
Erosion, shorten the life-span of burning facility；Recharge is that concentrate is directly injected into garbage loading embeading factory, but recharge can cause in percolate
Dissolved salts and hardly degraded organic substance largely accumulate, so as to cause whole percolation liquid treating system unstable.Evaporation technology is
Water in dope is directly evaporated, this method processing is thorough, but the process operation is costly and plant investment is big.Advanced oxygen
Change method includes anodizing, photochemical catalytic oxidation, Ozonation and Fenton oxidation method etc., and this method can produce extremely strong oxidation
The hydroxyl radical free radical of ability, be capable of non-selectivity is carbon dioxide and water by the oxidation operation in water body, but run into
This is higher, while can not solve the problems, such as that water outlet total nitrogen is exceeded.
The content of the invention
Goal of the invention：The purpose of this utility model can not be effectively located for existing rubbish percolation liquid membrane concentrate
The technical barrier of reason, there is provided a kind of rubbish percolation liquid membrane concentrate handles special purpose device, can realize to useful in film concentrate
The recovery of component humic acid；The energy consumption of unit pollutant removal reduce simultaneously during；It is exceeded that water outlet total nitrogen is also solved in addition
The problem of.
Technical scheme：
A kind of rubbish percolation liquid membrane concentrate advanced treatment apparatus, including liquid-liquid extraction tower, solvent regeneration tower, ozone oxidation
Tower, biological filtering tower combined working and clear water reserviors；
The liquid-liquid extraction top of tower is provided with extraction phase export pipeline, and middle and upper part is provided with film concentrate entrance pipe, under
Portion is provided with extractant entrance pipe, and bottom sets raffinate phase export pipeline；
The solvent regeneration tower tower top outlet is connected with the extractant entrance pipe of the liquid-liquid extraction tower, tower centre entrance
It is connected with the extraction phase export pipeline of the liquid-liquid extraction tower, bottom of towe is provided with humus extract export pipeline；
The water inlet of the ozone oxidation tower is connected with the raffinate phase export pipeline of the liquid-liquid extraction tower bottom, described smelly
The delivery port of oxygen oxidizing tower is connected with the biological filtering tower combined working；Micro-hole aerator is provided with the ozone oxidation tower bottom, it is described micro-
Hole aerator is connected with ozone generator by ozone air inlet pipeline；
The water inlet pipeline being connected with stating the delivery port of ozone oxidation tower is provided with below the biological filtering tower combined working, in the biology
Filter material layer is provided with the middle part of filter tower, top is provided with outlet pipeline；
The outlet pipeline of the biological filtering tower combined working is connected with the water inlet pipe of the clear water reserviors.
Filler in the filter material layer is porous filler.
Demister and ozonolysis equipment are provided with the ozone oxidation tower top.
Demister is provided with above the filter material layer.
Tail gas pipeline is equipped with the top of the ozone oxidation tower and the biological filtering tower combined working.
Micro-hole aerator, the air inlet connection air compression of the micro-hole aerator are provided with the biological filtering tower combined working bottom
Machine, the air compressor connect air.
Condenser is provided with the solvent regeneration tower tower top outlet.
Reboiler is provided with the humus extract export pipeline of the solvent regeneration tower bottom of towe.
The liquid-liquid extraction tower is one pack system or multicomponent extraction tower.
The liquid-liquid extraction tower is single-stage extraction tower, multistage cross flow extraction tower, multi-stage counter current extraction tower, continuous countercurrent extraction
One or more in tower, reflux extraction tower.
Beneficial effect：
1st, after rubbish percolation liquid membrane concentrate is handled by this integrating device, film concentrate can reach household refuse landfill sites
Pollution discharge standard.
2nd, the utility model solves the problems, such as that advanced oxidation water outlet total nitrogen is not up to standard, passes through materialization, advanced oxidation and life
Change the technical process being combined, the discharge standard that can finally make water outlet ammonia nitrogen reach below 40mg/L.
3rd, a large amount of humus be present in film concentrate, and humus is the main source of soil nutrient, the utility model leads to
The humus of the method for liquid-liquid extraction back and forth in winder concentrate is crossed, the comprehensive utilization of resource had both been realized, and had also reduced simultaneously
The expense of whole processing procedure.
Brief description of the drawings
Fig. 1 the utility model structure diagrams；
Description of reference numerals is as follows：
1 clear water reserviors, 2 ozone generators, 3 outlet pipelines, 4 micro-hole aerators, 5 air compressors, 6 tail gas pipelines, 7 are removed
It is foam device, 8 filter material layers, 9 biological filtering tower combined workings, 10 ozone oxidation tower outlet pipelines, 11 ozonolysis equipments, 12 ozone oxidation towers, 13 smelly
Oxygen air inlet pipeline, 14 film concentrate inlet ductworks, 15 liquid-liquid extraction towers, 16 raffinate phase export pipelines, 17 extraction phase delivery pipes
Road, 18 extractant transfer pipelines, 19 condensers.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Fig. 1 is the utility model structural representation, should
Integrating device includes liquid-liquid extraction tower 15, solvent regeneration tower 20, ozone oxidation tower 12, biological filtering tower combined working 9 and clear water reserviors 1；The liquid
The top of liquid extraction tower 15 is provided with extraction phase export pipeline 17, and middle and upper part is provided with film concentrate entrance pipe 14, and middle and lower part is provided with extraction
Agent entrance pipe 18 is taken, tower bottom sets raffinate phase export pipeline 16；The tower top of solvent regeneration tower 20 and the liquid-liquid extraction tower
15 extractant entrance pipes 18 are connected, and are connected in the middle part of tower with the liquid-liquid extraction tower extraction phase export pipeline 17, bottom of towe is humic
Matter extract export pipeline 21；The water inlet of ozone oxidation tower 12 and the phase of liquid-liquid extraction tower bottom raffinate phase export pipeline 16
Even, delivery port is connected with biological filtering tower combined working 9；The lower section of biological filtering tower combined working 9 is provided with water inlet pipeline 10, and middle part is provided with filter material layer 8, on
Portion is provided with outlet pipeline 3；The biological filtering tower combined working outlet pipeline 3 is connected with the water inlet pipe of clear water reserviors 1.
Wherein, the top of ozone oxidation tower 12 sets demister 7 and ozonolysis equipment 11；It is provided with the bottom of ozone oxidation tower 12
Micro-hole aerator 4, micro-hole aerator 4 are connected with ozone generator 2 by ozone air inlet pipeline 13.
The top of the top filter material layer of biological filtering tower combined working 9 is provided with demister 7；The bottom of biological filtering tower combined working 7 is provided with micro-hole aerator 4, exposes
Gas device air inlet connects air compressor 5, and air compressor 5 connects air.
Tail gas pipeline 6 is equipped with the top of ozone oxidation tower 12 and biological filtering tower combined working 9.
Condenser is provided with the tower top outlet of solvent regeneration tower 20, overhead vapours is condensed into liquid, partial condensation liquid conduct
Overhead product, remaining is made phegma and returns to tower top, the contact mass transfer in tower between gas-liquid two-phase is carried out.In solvent regeneration tower
The humus extract export pipeline 21 of 20 bottom of towe is provided with reboiler 22, and rectifying column is sent back to after bottom of towe liquid portion is vaporized,
The contact mass transfer of gas-liquid two-phase in tower is set to carry out.
In the utility model, liquid-liquid extraction tower used in device is continous way multi-stage counter current extraction tower, used
Solvent regeneration tower is plate distillation column.
Operation principle of the present utility model is as follows：
By the extraction of liquid-liquid extraction tower 15, the humus in film concentrate 14 is transferred to extraction phase.Extraction phase passes through
The separation of solvent recovery tower, regenerating extracting agent is obtained from tower top, regenerating extracting agent returns to liquid liquid by extractant transfer pipeline 18
Extraction tower 15 recycles；Solvent recovery bottom of towe obtains organic fertilizer humus.The raffinate phase flowed out from liquid-liquid extraction tower bottom of towe,
Ozone oxidation tower 12 is flowed into by raffinate phase conveyance conduit 17；By ozone high grade oxidation, the organic matter in raffinate phase is direct
It is oxidized to the organic matter or carbon dioxide, water of small molecule；The water outlet of ozone oxidation tower 12 is flowed by ozone oxidation tower outlet conduit 10
Enter biological filtering tower combined working；By the further processing of biological filtering tower combined working, the water quality index in water outlet is finally set to reach GB16889-2008's
Discharge standard.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. rubbish percolation liquid membrane concentrate advanced treatment apparatus, it is characterised in that：Including liquid-liquid extraction tower (15), solvent again Raw tower (20), ozone oxidation tower (12), biological filtering tower combined working (9) and clear water reserviors (1)；Extraction phase export pipeline (17) is provided with the top of the liquid-liquid extraction tower (15), middle and upper part is provided with film concentrate entrance pipe (14), middle and lower part is provided with extractant entrance pipe (18), and bottom sets raffinate phase export pipeline (16)；Solvent regeneration tower (20) tower top outlet is connected with the extractant entrance pipe (18) of the liquid-liquid extraction tower (15), tower Centre entrance is connected with the extraction phase export pipeline (17) of the liquid-liquid extraction tower (15), and bottom of towe exports provided with humus extract Pipeline (21)；The water inlet of the ozone oxidation tower (12) and raffinate phase export pipeline (16) phase of liquid-liquid extraction tower (15) bottom Even, the delivery port of the ozone oxidation tower (12) is connected with the biological filtering tower combined working (9)；Set in the ozone oxidation tower (12) bottom There is micro-hole aerator (4), the micro-hole aerator (4) is connected with ozone generator (2) by ozone air inlet pipeline (13)；The water inlet pipeline (10) being connected with stating the delivery port of ozone oxidation tower (12) is provided with below the biological filtering tower combined working (9), Filter material layer (8) is provided with the middle part of the biological filtering tower combined working (9), top is provided with outlet pipeline (3)；The outlet pipeline (3) of the biological filtering tower combined working (9) is connected with the water inlet pipe of the clear water reserviors (1).
- 2. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the filtrate Filler in layer (8) is porous filler.
- 3. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the ozone Oxidizing tower (12) top is provided with demister (7) and ozonolysis equipment (11).
- 4. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the filtrate Demister (7) is provided with above layer (8).
- 5. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the ozone Tail gas pipeline (6) is equipped with the top of oxidizing tower (12) and the biological filtering tower combined working (9).
- 6. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the biology Filter tower (9) bottom is provided with micro-hole aerator (4), and the air inlet connection air compressor (5) of the micro-hole aerator (4) is described Air compressor (5) connects air.
- 7. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the solvent Regenerator (20) tower top outlet is provided with condenser (19).
- 8. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：In the solvent The humus extract export pipeline (21) of regenerator (20) bottom of towe is provided with reboiler (22).
- 9. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 1, it is characterised in that：The liquid liquid extraction It is one pack system or multicomponent extraction tower to take tower (15).
- 10. rubbish percolation liquid membrane concentrate advanced treatment apparatus according to claim 9, it is characterised in that the liquid liquid Extraction tower (15) extracts for single-stage extraction tower, multistage cross flow extraction tower, multi-stage counter current extraction tower, continuous countercurrent extraction tower, backflow Take the one or more in tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460442.3U CN207047053U (en) | 2017-04-28 | 2017-04-28 | A kind of rubbish percolation liquid membrane concentrate advanced treatment apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460442.3U CN207047053U (en) | 2017-04-28 | 2017-04-28 | A kind of rubbish percolation liquid membrane concentrate advanced treatment apparatus |
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| CN207047053U true CN207047053U (en) | 2018-02-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291931A (en) * | 2021-12-31 | 2022-04-08 | 东江环保股份有限公司 | Resource treatment method for landfill leachate |
-
2017
- 2017-04-28 CN CN201720460442.3U patent/CN207047053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291931A (en) * | 2021-12-31 | 2022-04-08 | 东江环保股份有限公司 | Resource treatment method for landfill leachate |
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