CN205473134U - Zero release landfill leachate treatment facility - Google Patents
Zero release landfill leachate treatment facility Download PDFInfo
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- CN205473134U CN205473134U CN201521122870.2U CN201521122870U CN205473134U CN 205473134 U CN205473134 U CN 205473134U CN 201521122870 U CN201521122870 U CN 201521122870U CN 205473134 U CN205473134 U CN 205473134U
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- reverse osmosis
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- landfill leachate
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Abstract
The utility model relates to a sewage treatment field, concretely relates to zero release landfill leachate treatment facility, include: , main line and two branch's pipelines, former water tank has connected gradually on the main line, multimedium filter and one -level pipe network formula reverse osmosis unit, two exit linkages of one -level pipe network formula reverse osmosis unit have first branch road and second branch road, first has connected gradually secondary pipe network formula reverse osmosis unit and degasser on the road, the second props up and has connected gradually catalytic oxidation device and evaporation plant on the road, first branch road end carries out the emission of liquid emission, second branch road end carries out the emission of solid emission. One -level pipe network formula reverse osmosis unit has bigger water inlet channel and a membrane effective area, and the scrubbing can the reinforce, and the main line divides into two branch roads after seeing through one -level pipe network formula reverse osmosis unit, handles to component differences different among the landfill leachate respectively, has played excellent treatment effect to leave emission, be convenient for subsequent recycle or retreatment with liquid and solids constituent.
Description
Technical field
This utility model relates to sewage treatment area, is specifically related to a kind of zero-emission landfill leachate treatment equipment.
Background technology
The high concentrated organic wastewater of a kind of complicated component that percolate is rubbish to be produced during landfill, is mainly derived from that precipitation penetrates into, Organic substance decomposes and rubbish itself interior aqueous etc..Typical percolate contains the COD(6000-15000mg/L of high concentration), ammonia nitrogen (500-3000mg/L), additionally contain substantial amounts of microorganism, heavy metal, inorganic salt and poisonous and harmful substance etc., directly discharge if not being acted upon and easily cause subsoil water, surface water pollution, and then jeopardize health.
The character of percolate is to select the Main Basis of processing method, and at present, the method for treating garbage percolation liquid used both at home and abroad mainly has physico-chemical process, bioanalysis and land treatment systems method.Physico-chemical process includes the methods such as coagulation, stripping, activated carbon adsorption, ion exchange, membrance separation, the active sludge of bioanalysis, biological contact oxidation process, A/O method, SBR method etc., land treatment systems mainly includes slow rate, quick diafiltration, artificial swamp, the method such as recharges.Owing to percolate is different from general sanitary sewage, its biodegradability is poor, uses said method to be extremely difficult to poor processing effect, and processing cost is high.
Utility model content
The purpose of this utility model, is the problem in order to solve in background technology, it is provided that a kind of zero-emission landfill leachate treatment equipment.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of zero-emission landfill leachate treatment equipment, including: a main line and two branch lines, raw water box, multimedium filter and first-level pipeline network formula reverse osmosis unit it is connected with in turn on main line, two outlet connections of first-level pipeline network formula reverse osmosis unit have the first branch road and the second branch road, secondary network formula reverse osmosis unit and degasser it is connected with in turn on first branch road, catalytic oxidizing equipment (ECO) and vaporising device it is connected with in turn on second branch road, first branch road end carries out the discharge of liquid emission, and the second branch road end carries out the discharge of solid emission.First-level pipeline network formula reverse osmosis unit has bigger water inlet flow channel and bigger film effective area, dirty removal capacities is strong, and main line is divided into two branch roads through after first-level pipeline network formula reverse osmosis unit, it is respectively directed to components different in percolate be handled differently, serve the treatment effect of excellence, and liquid is separated with solid emission discharge, it is simple to follow-up recycling or reprocessing.
As preferably, described vaporising device is provided with debris outlet, and the outlet of described debris, by pipeline and described first-level pipeline network formula reverse osmosis unit outlet, is reprocessed in order to the backflow of debris.
As preferably, described secondary network formula reverse osmosis unit is provided with the outlet being connected with raw water box, in order to improve discharge water quality further.
As preferably, between described first-level pipeline network formula reverse osmosis unit and catalytic oxidizing equipment, it is provided with dense pond, exports stockpiling of dense water in order to first-level pipeline network formula reverse osmosis unit.
As preferably, described first-level pipeline network formula reverse osmosis unit includes at least one ductwork type reverse osmosis units connected, in order to strengthen disposal ability.
As preferably, described vaporising device is any one in multi-effect evaporator (MEE), thermodynamic steam recompression evaporator (TVR) or function of mechanical steam recompression vaporizer (MVR).
As preferably, described raw water box porch is additionally provided with acid adding import, in order to the pretreatment of percolate.
As preferably, described degasser includes degassing tower and filtered water tank.
As preferably, it is additionally provided with cartridge filter at described multimedium filter outlets, in order to the pretreatment of percolate.
As preferably, described first-level pipeline network formula reverse osmosis unit import department is provided with high-pressure pump, and described secondary network formula reverse osmosis unit import department is provided with booster pump, and described catalytic oxidizing equipment import department is provided with dense water pump, for supercharging to improve dirty removal capacities.
In sum, the beneficial effects of the utility model:
A kind of zero-emission landfill leachate treatment equipment high efficiency the most described in the utility model is integrated, is combined with multiple water treatment system, it is achieved that segmentation, the multistep treatment to percolate.
A kind of zero-emission landfill leachate treatment equipment the most described in the utility model, solid-liquid is processed by single branch road respectively so that relief liquor begins to rehearse with solid salinity and puts, it is ensured that effluent quality and the recycling of solid salt, more environmentally-friendly energy-conservation.
A kind of zero-emission landfill leachate treatment equipment the most described in the utility model, solid discharge branch road end vaporising device is provided with debris backflow, secondary network formula reverse osmosis unit is connected with raw water box by outlet, make percolate repeatedly circular treatment in equipment, water outlet is made to reach recovery standard, it is not necessary to subsequent treatment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Specific examples below is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
With embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:
According to Fig. 1, a kind of zero-emission landfill leachate treatment equipment, including: a main line and two branch lines, raw water box 1 it is connected with in turn on main line, multimedium filter 2 and first-level pipeline network formula reverse osmosis unit 3, two outlet connections of first-level pipeline network formula reverse osmosis unit 3 have the first branch road and the second branch road, secondary network formula reverse osmosis unit 4 and degasser 5 it is connected with in turn on first branch road, catalytic oxidizing equipment 6 and vaporising device 7 it is connected with in turn on second branch road, first branch road end carries out the discharge of liquid emission, second branch road end carries out the discharge of solid emission.Vaporising device 7 is provided with debris outlet 701, debris outlet 701 is by pipeline and first-level pipeline network formula reverse osmosis unit 3 outlet, secondary network formula reverse osmosis unit 4 is provided with the outlet being connected with raw water box, is provided with dense pond 8 between first-level pipeline network formula reverse osmosis unit 3 and catalytic oxidizing equipment 6.Vaporising device 7 is function of mechanical steam recompression vaporizer.Raw water box 1 porch is additionally provided with acid adding import 9, and degasser 5 includes degassing tower and filtered water tank.Multimedium filter 2 exit is additionally provided with cartridge filter 21.First-level pipeline network formula reverse osmosis unit 3 import department is provided with high-pressure pump 31, and secondary network formula reverse osmosis unit 4 import department is provided with booster pump 41, and catalytic oxidizing equipment 6 import department is provided with dense water pump 61, for supercharging to improve dirty removal capacities.
When equipment runs, in first-level pipeline network formula reverse osmosis unit 3, the response rate of liquid is 70-80%, and in liquid, the rejection of COD is 90-99%, the operating pressure 50-60bar of first-level pipeline network formula reverse osmosis unit 3；In catalytic oxidizing equipment 6, reaction temperature is 200-300 DEG C, and reaction pressure is 40-100bar, and the COD degradation rate of the treatment fluid in this section is 70-95%；The reaction temperature of function of mechanical steam recompression vaporizer is 80-120 DEG C, and salt extraction ratio is 70-95%；In secondary network formula reverse osmosis unit 4 response rate of liquid be 80-90%, COD rejection be 90-99%, the operating pressure of secondary network formula reverse osmosis unit 4 is 40-50bar.Percolate, after treatment more than GB16889-2008 emission request, reaches recovery standard, and solid salt reaches technical grade and reclaims requirement.
Embodiment 2:
A kind of zero-emission landfill leachate treatment equipment, including: a main line and two branch lines, raw water box 1, multimedium filter 2 and first-level pipeline network formula reverse osmosis unit 3 it is connected with in turn on main line, two outlet connections of first-level pipeline network formula reverse osmosis unit 3 have the first branch road and the second branch road, secondary network formula reverse osmosis unit 4 and degasser 5 it is connected with in turn on first branch road, catalytic oxidizing equipment 6 and vaporising device 7 it is connected with in turn on second branch road, first branch road end carries out the discharge of liquid emission, and the second branch road end carries out the discharge of solid emission.Vaporising device 7 is provided with debris outlet 701, debris outlet 701 is by pipeline and first-level pipeline network formula reverse osmosis unit 3 outlet, secondary network formula reverse osmosis unit 4 is provided with the outlet being connected with raw water box, is provided with dense pond 8 between first-level pipeline network formula reverse osmosis unit 3 and catalytic oxidizing equipment 6.Vaporising device 7 is multi-effect evaporator.First-level pipeline network formula reverse osmosis unit 3 includes the ductwork type reverse osmosis units of multiple series connection.Raw water box 1 porch is additionally provided with acid adding import 9, and degasser 5 includes degassing tower and filtered water tank.Multimedium filter 2 exit is additionally provided with cartridge filter 21.First-level pipeline network formula reverse osmosis unit 3 import department is provided with high-pressure pump 31, and secondary network formula reverse osmosis unit 4 import department is provided with booster pump 41, and catalytic oxidizing equipment 6 import department is provided with dense water pump 61, for supercharging to improve dirty removal capacities.
When equipment runs, in first-level pipeline network formula reverse osmosis unit 3, the response rate of liquid is 70-80%, and in liquid, the rejection of COD is 90-99%, the operating pressure 50-60bar of first-level pipeline network formula reverse osmosis unit 3；In catalytic oxidizing equipment 6, reaction temperature is 200-300 DEG C, and reaction pressure is 40-100bar, and the COD degradation rate of the treatment fluid in this section is 70-95%；The reaction temperature of multi-effect evaporator is 80-120 DEG C, and salt extraction ratio is 70-95%；In secondary network formula reverse osmosis unit 4 response rate of liquid be 80-90%, COD rejection be 90-99%, the operating pressure of secondary network formula reverse osmosis unit 4 is 40-50bar.Percolate, after treatment more than GB16889-2008 emission request, reaches recovery standard, and solid salt reaches technical grade and reclaims requirement.
Claims (10)
1. a zero-emission landfill leachate treatment equipment, it is characterized in that, including: a main line and two branch lines, raw water box (1) it is connected with in turn on main line, multimedium filter (2) and first-level pipeline network formula reverse osmosis unit (3), two outlet connections of first-level pipeline network formula reverse osmosis unit (3) have the first branch road and the second branch road, secondary network formula reverse osmosis unit (4) and degasser (5) it is connected with in turn on first branch road, catalytic oxidizing equipment (6) and vaporising device (7) it is connected with in turn on second branch road, first branch road end carries out the discharge of liquid emission, second branch road end carries out the discharge of solid emission.
A kind of zero-emission landfill leachate treatment equipment the most according to claim 1, it is characterized in that, described vaporising device (7) is provided with debris outlet (701), and described debris outlet (701) is by pipeline and described ductwork type reverse osmosis unit (3) outlet.
A kind of zero-emission landfill leachate treatment equipment the most according to claim 2, it is characterised in that described secondary network formula reverse osmosis unit (4) is provided with the outlet (401) being connected with raw water box (1).
A kind of zero-emission landfill leachate treatment equipment the most according to claim 3, it is characterised in that be provided with dense pond (8) between described first-level pipeline network formula reverse osmosis unit (3) and catalytic oxidizing equipment (6).
A kind of zero-emission landfill leachate treatment equipment the most according to claim 3, it is characterised in that described first-level pipeline network formula reverse osmosis unit (3) and secondary network formula reverse osmosis unit (4) include at least one ductwork type reverse osmosis units connected.
A kind of zero-emission landfill leachate treatment equipment the most according to claim 3, it is characterised in that described vaporising device (7) is any one in multi-effect evaporator, thermodynamic steam recompression evaporator or function of mechanical steam recompression vaporizer.
7. according to a kind of zero-emission landfill leachate treatment equipment described in claim 1-6 any one, it is characterised in that described raw water box (1) porch is additionally provided with acid adding import (9).
A kind of zero-emission landfill leachate treatment equipment the most according to claim 7, it is characterised in that described degasser (5) includes degassing tower and filtered water tank.
A kind of zero-emission landfill leachate treatment equipment the most according to claim 8, it is characterised in that described multimedium filter (2) exit is additionally provided with cartridge filter (21).
A kind of zero-emission landfill leachate treatment equipment the most according to claim 9, it is characterized in that, described first-level pipeline network formula reverse osmosis unit (3) import department is provided with high-pressure pump (31), described secondary network formula reverse osmosis unit (4) import department is provided with booster pump (41), and described catalytic oxidizing equipment (6) import department is provided with dense water pump (61).
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| CN201521122870.2U CN205473134U (en) | 2015-12-31 | 2015-12-31 | Zero release landfill leachate treatment facility |
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| CN201521122870.2U CN205473134U (en) | 2015-12-31 | 2015-12-31 | Zero release landfill leachate treatment facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885162A (en) * | 2019-10-25 | 2020-03-17 | 杭州深瑞水务有限公司 | Zero-recharge treatment process for landfill leachate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885162A (en) * | 2019-10-25 | 2020-03-17 | 杭州深瑞水务有限公司 | Zero-recharge treatment process for landfill leachate |
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