CN106966538A - A kind of landfill leachate treatment equipment - Google Patents
A kind of landfill leachate treatment equipment Download PDFInfo
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- CN106966538A CN106966538A CN201710274347.9A CN201710274347A CN106966538A CN 106966538 A CN106966538 A CN 106966538A CN 201710274347 A CN201710274347 A CN 201710274347A CN 106966538 A CN106966538 A CN 106966538A
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- mvr
- sedimentation basin
- heat exchanger
- type heat
- landfill leachate
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000004062 sedimentation Methods 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 230000008016 vaporization Effects 0.000 claims abstract description 31
- 239000012153 distilled water Substances 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 27
- 239000003513 alkali Substances 0.000 claims abstract description 24
- 230000001590 oxidative effect Effects 0.000 claims abstract description 18
- 239000012141 concentrate Substances 0.000 claims abstract description 17
- 238000001704 evaporation Methods 0.000 claims description 11
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011552 falling film Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000010813 municipal solid waste Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical class [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000001925 catabolic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000171 higher toxicity Toxicity 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/08—Thin film evaporation
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- 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)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention provides a kind of landfill leachate treatment equipment, including pretreatment system, MVR vapo(u)rization systems and oxidative system；Alkali reaction tank top is connected with the first sedimentation basin；First sedimentation basin top is connected with the second sedimentation basin；Second sedimentation basin top is connected with acid reaction pond；Acid reaction pond top is connected with intermediate pool；Intermediate pool is connected with MVR vapo(u)rization systems；Intermediate pool is connected with distilled water plate type heat exchanger and concentrate plate type heat exchanger respectively by carrying out liquid filter；Distilled water plate type heat exchanger and concentrate plate type heat exchanger are connected with vent condenser；Vent condenser is connected with MVR vaporizing bodies；The concentrated solution outlet of MVR vaporizing bodies is connected with concentrating liquid pool；The distilled water outlet of MVR vaporizing bodies is connected with oxidative system.Landfill leachate treatment device energy conservation of the present invention is environmentally friendly, efficient, cost is low, treating capacity is big, can meet the high standards of existing sewage disposal.
Description
Technical field
The present invention relates to refuse leachate treatment technology, more particularly to a kind of landfill leachate treatment equipment.
Background technology
With the quickening of Re-search on Urbanization process, urban population is constantly expanded, scale constantly expands, the rubbish produced therewith
Into multiple increase.The Chinese Yi Chao U.S., is occupied first place in the world with annual 1200000000 tons.The most urban solid garbage of China is using landfill
Or the method burned is handled.In garbage loading embeading stacking process, one is produced because the various extraneous factor effects such as extruding are lower
Plant the waste water with high-enriched organics or inorganic matter and be referred to as percolate.Its change of water quality scope is very big, organic pollution
Species is more, concentration is high, and has a variety of carcinogenic substances, rush cancer thing, epicarcinogen, prominent carcinogenic substance and metal ion.Work as percolate
Penetrate into underground water, surface water, i.e., surface water quality polluted, underground water loses use value, to health and
Cause to directly affect in industrial or agricultural water source.Due to percolate complicated component, with higher toxicity simultaneously again with high COD
Value, high ammonia-nitrogen content so that landfill leachate treatment difficulty is very big.
Restricted by the level of economic development, China since the phase at the end of the eighties in last century just build real meaning life rubbish
Rubbish sanitary filling field.And for landfill leachate treatment facility construction then start to walk it is more late.With economic level and people's lives
Quality is gradually lifted, and the national attention further for Environmental Protection Cause, new sewage drainage standard is constantly put into effect, and this to work as
Modern green technology industry faces unprecedented opportunities and challenge.China's tailor GB16889-1997 lives in recent years
Garbage loading embeading pollutant catabolic gene standard, pollutant emission standard gradually rises, and some areas even require that final outflow water reaches ground
Square standard.Using MVR evaporation techniques as landfill leachate treatment core process technology because its numerous advantage it is gradually expanded
With use.But ammonia nitrogen concentration is higher in percolate, polluted using most ammonia-nitrogen class in evaporation technology processing procedure
Material is easily thermally decomposed into ammonia as steam enters in subsequent treatment process, and aggegation causes in distilled water after condensation
Water outlet ammonia nitrogen is exceeded.
The content of the invention
It is an object of the present invention to which for high COD, high ammonia nitrogen in existing sewage disposal, wastewater treatment difficulty is big, take up an area
Greatly, high energy consumption, it is not up to standard the problem of, propose a kind of landfill leachate treatment equipment, device energy conservation environmental protection, efficiently, cost it is low,
Treating capacity is big, can meet the high standards of existing sewage disposal.
To achieve the above object, the technical solution adopted by the present invention is：A kind of landfill leachate treatment equipment, including pre- place
Reason system, MVR vapo(u)rization systems and oxidative system；
The pretreatment system includes coming liquid pool, alkali reaction tank, the first sedimentation basin, the second sedimentation basin, acid reaction pond, centre
Pond, sludge concentration tank, concentrating liquid pool and discharge bay；The alkali reaction tank, which is located at, to be come on the inside of liquid pool, the alkali reaction tank top with
First sedimentation basin is connected；The first sedimentation basin top is connected with the second sedimentation basin；The second sedimentation basin top and acid
Reaction tank is connected；Acid reaction pond top is connected with intermediate pool；The intermediate pool is connected with MVR vapo(u)rization systems；Institute
State and come liquid pool bottom, the first sedimentation basin bottom, the second sedimentation basin bottom, intermediate pool bottom and be connected with sludge concentration tank；
The MVR vapo(u)rization systems include MVR vaporizing bodies, come liquid filter, distilled water plate type heat exchanger and concentrate plate
Formula heat exchanger；The intermediate pool is connected with distilled water plate type heat exchanger and concentrate plate type heat exchanger respectively by carrying out liquid filter
It is logical；The distilled water plate type heat exchanger and concentrate plate type heat exchanger are connected with vent condenser；The vent condenser with
MVR vaporizing bodies are connected；The concentrated solution outlet of the MVR vaporizing bodies is connected with concentrating liquid pool；The MVR vaporizing bodies
Distilled water outlet be connected with oxidative system, the distilled water outlet up to standard of the oxidative system is connected with discharge bay.
Further, the evaporating temperature of the MVR vaporizing bodies is between 60 DEG C -115 DEG C.
Further, the alkali reaction tank, be equipped with pH value in-line analyzer in acid reaction pond.
Further, it is equipped with mechanical agitator in the alkali reaction tank and the acid reaction pond.
Further, the MVR vaporizing bodies use standpipe falling film type or lying pipe coating film type.
Further, the MVR vaporizing bodies are also communicated with the steam generator 12 with driven by power.
Further, the oxidative system is the oxidative system of removal ammonia nitrogen, i.e., the dirt that described oxidative system is mainly removed
It is ammonia nitrogen to contaminate material.
Landfill leachate treatment device structure science of the present invention, rationally, compared with prior art, with advantages below：
1. the operating temperature of landfill leachate treatment equipment of the present invention can in the temperature spot of any one between 60-115 DEG C,
Operating temperature range is narrow, and only the pollutant under the evaporating temperature point can be just entered in steam, it can be ensured that high-quality water outlet.
2. it is equipped with pH on-line analyses in the alkali reaction tank of landfill leachate treatment equipment of the present invention, acid reaction pond
Instrument, can monitoring reaction course in real time data, pretreatment system can be controlled according to pH in-line analyzers in the process of running
Chemical feeding quantity, is conducive to the accumulation of service data.
3. mechanical agitation dress is equipped with the alkali reaction tank of landfill leachate treatment equipment of the present invention, acid reaction pond
Put, make the reaction of medicament and percolate more fully, more rapidly, more effectively.
4. the MVR vaporizing bodies of landfill leachate treatment equipment of the present invention can be selected according to project and the actual conditions of percolate
Cloth membranous type formula is selected, can be standpipe falling film type or lying pipe coating film type.
5. the described steam generator of landfill leachate treatment equipment of the present invention can be only before the startup of MVR vaporizing bodies
It is automatically stopped, starts in the case of only requiring supplementation with steam during follow-up operation after operation, compressor start up condition to be achieved.
6. the oxidative system of landfill leachate treatment equipment of the present invention mainly removes the distillation after being handled through MVR vaporizing bodies
Ammonia nitrogen in water.
Brief description of the drawings
Fig. 1 is the structural representation of landfill leachate treatment equipment of the present invention；
Fig. 2 is the flow chart of landfill leachate treatment equipment of the present invention；
Fig. 3 is the structural representation of pretreatment system.
In figure：2nd, intermediate pool；3rd, liquid filter is carried out；4th, concentrate plate type heat exchanger；5th, distilled water plate type heat exchanger；6th, it is dense
Contracting liquid filter；7th, hot well；8th, vent condenser；9th, demister；10th, MVR vaporizing bodies；11st, vapour compression machine；12nd, steam
Generator；13rd, water pot is distilled；14th, oxidative system；15th, liquid pool is carried out；16th, alkali reaction tank；17th, the first sedimentation basin；18th, second sinks
Shallow lake pond；19th, acid reaction pond；20th, sludge concentration tank；21st, concentrating liquid pool；22nd, discharge bay.
Embodiment
The present invention is further described with reference to embodiments：
Present embodiment discloses a kind of landfill leachate treatment equipment, its structure as Figure 1-3, including pre-processes system
System, MVR vapo(u)rization systems and oxidative system 14.
The pretreatment system includes coming liquid pool 15, alkali reaction tank 16, the first sedimentation basin 17, the second sedimentation basin 18, acid instead
Answer pond 19, intermediate pool 2, sludge concentration tank 20, concentrating liquid pool 21 and discharge bay 22；The alkali reaction tank, which is located at, to be come on the inside of liquid pool,
The alkali reaction tank top is connected with the first sedimentation basin；The first sedimentation basin top is connected with the second sedimentation basin；It is described
Second sedimentation basin top is connected with acid reaction pond；Acid reaction pond top is connected with intermediate pool 2；The intermediate pool 2 with
MVR vapo(u)rization systems are connected；It is described come liquid pool bottom, the first sedimentation basin bottom, the second sedimentation basin bottom and the bottom of intermediate pool 2 with
Sludge concentration tank is connected；
The MVR vapo(u)rization systems include MVR vaporizing bodies；The intermediate pool 2 by come liquid filter 3 respectively with distilled water
Plate type heat exchanger 5 be connected with concentrate plate type heat exchanger 4 (specifically, come the filtrate (liquid of liquid filter 3 respectively with distilled water plate
The refrigerant import of formula heat exchanger 5 is connected with the refrigerant import of concentrate plate type heat exchanger 4)；The He of distilled water plate type heat exchanger 5
Concentrate plate type heat exchanger 4 be connected with vent condenser 8 (specifically, the refrigerant exit of the distilled water plate type heat exchanger 5 and
The refrigerant exit of concentrate plate type heat exchanger 4 is connected with vent condenser 8 respectively)；The vent condenser 8 evaporates with MVR
The shell side of main body 10 is connected；The concentrated solution outlet of the MVR vaporizing bodies 10 is connected with concentrating liquid pool；The MVR evaporations
The distilled water outlet of main body 10 is connected with oxidative system 14.
The operation principle of the present embodiment landfill leachate treatment equipment：Alkali reaction tank is entered come the stoste of originally liquid pool,
PH value in-line analyzer is provided with alkali reaction tank, the addition of alkali is controlled by adjusting pH value, it is ensured that scopes of the pH in setting
Interior change, while alkali is added, coagulant is also added in alkali reaction tank, is made by the stirring of the mechanical agitator of alkali reaction tank
With making coagulant be sufficiently mixed with carrying out liquid, carry out coagulating, the stoste after coagulation enters the by way of overflow
One sedimentation basin carries out precipitation separation, and the pattern of sedimentation basin is vertical sedimentation tank, can be square or circle, interior to be provided with central tube, from
The stoste that alkali reaction tank is overflowed enters from central tube, is flowed up after reflected plate in pond, on the first sedimentation basin top
Supernatant is formed through downflow weir overflow to the second sedimentation basin, the operation principle of the second sedimentation basin is consistent with the first sedimentation basin, mixed
In the presence of solidifying agent and gravity, assemble pockets of solid in the first sedimentation basin and the bottom deposit of the second sedimentation basin, then with dirt
The form of mud enters sludge concentration tank, is concentrated in sludge concentration tank, is dehydrated after concentration, the second sedimentation basin it is upper
Downflow weir overflow of the clear liquid through the second sedimentation basin is provided with pH value in-line analyzer to acid reaction pond in acid reaction pond, by adjusting
Save the addition of pH value control acid, it is ensured that pH changes in the range of setting, while acid adding, the mechanical agitation in acid reaction pond
Device stirring mixing, makes acid fully be reacted with it, acid adding reduction water inlet pH value, helps to alleviate the fouling of follow-up MVR vaporizing bodies
Risk, supernatant behind acid reaction pond is by the overfall overflow on acid reaction pond top to intermediate pool.
The supernatant for being temporarily stored into intermediate pool 2 after pretreatment system is handled is wherein a small amount of through being filtered out come liquid filter 3
A point two parts respectively enter distilled water plate type heat exchanger 5 and concentrate plate type heat exchanger 4 after fine suspension, are reclaiming distilled water
After the energy of concentrate, two parts percolate converges into vent condenser 8 again, and then percolate is by MVR vaporizing bodies
The hot well 7 of bottom is entered to be evaporated in MVR vaporizing bodies, and the steam that evaporation is used primarily in MVR vaporizing bodies is originally
What water was obtained after being evaporated by steam generator 12, circulating pump, circulation pipe and spray provided with circulation cloth liquid in MVR vaporizing bodies
Drench liquid distributor.After percolate is mixed into hot well 7 with percolate in MVR vaporizing bodies, spraying and liquid distributing device is entered through circulating pump
In be evenly distributed on heat-exchange tube bundle outer surface and be evaporated, after evaporation, part percolate is evaporated into water vapour, and part is percolated
Liquid is condensed into concentrate, and the concentrated liquid filter 6 of the concentrate that percolate is produced after evaporation re-enters into concentration liquid plate
Heat exchange is carried out in heat exchanger 4 with the percolate that newly enters to recover energy.The water vapour that percolate is produced after evaporation is through demisting
After device 9, the entrance of vapour compression machine 11 is entered by jet chimney, from MVR vaporizing bodies after the boosting temperature raising of vapour compression machine 11
The bobbin carriage at heat-exchange tube bundle two ends re-enter into the heat-exchange tube bundle in MVR vaporizing bodies, with the low temperature that newly enters
Percolate outside tube bank carries out heat exchange, and the outer cryogenic liquid of pipe, which absorbs heat and evaporated, becomes water vapour, high-temperature steam in pipe
Distilled water is condensed into after release heat, water vapour and distilled water are in the heat-exchange tube bundle of MVR vaporizing bodies and its bobbin carriage at two ends
Flowed between bobbin carriage, abundant evaporation and heat-exchange.
Steam is condensed into distilled water after heat exchange, and distilled water is temporarily stored in distillation water pot 13, then defeated through distilled water pump
It is fed into after the percolate in distilled water plate type heat exchanger 5 with newly entering is exchanged heat and enters oxidative system 14, in oxidation system
System 14 adds special ammonia nitrogen remover, removes the ammonia nitrogen in distilled water, then qualified discharge.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
1. a kind of landfill leachate treatment equipment, it is characterised in that including pretreatment system, MVR vapo(u)rization systems and oxidative system；
The pretreatment system include coming liquid pool, alkali reaction tank, the first sedimentation basin, the second sedimentation basin, acid reaction pond, intermediate pool,
Sludge concentration tank, concentrating liquid pool and discharge bay；The alkali reaction tank, which is located at, to be come on the inside of liquid pool, the alkali reaction tank top and first
Sedimentation basin is connected；The first sedimentation basin top is connected with the second sedimentation basin；The second sedimentation basin top and acid reaction
Pond is connected；Acid reaction pond top is connected with intermediate pool；The intermediate pool is connected with MVR vapo(u)rization systems；It is described next
Liquid pool bottom, the first sedimentation basin bottom, the second sedimentation basin bottom, intermediate pool bottom are connected with sludge concentration tank；
The MVR vapo(u)rization systems come liquid filter, distilled water plate type heat exchanger and concentrate plate-type heat-exchange including MVR vaporizing bodies
Device；The intermediate pool is connected with distilled water plate type heat exchanger and concentrate plate type heat exchanger respectively by carrying out liquid filter；Institute
State distilled water plate type heat exchanger and concentrate plate type heat exchanger is connected with vent condenser；The vent condenser steams with MVR
Hair main body is connected；The concentrated solution outlet of the MVR vaporizing bodies is connected with concentrating liquid pool；The steaming of the MVR vaporizing bodies
Distilled water outlet is connected with oxidative system, and the distilled water outlet up to standard of the oxidative system is connected with discharge bay.
2. landfill leachate treatment equipment according to claim 1, it is characterised in that the evaporation temperature of the MVR vaporizing bodies
Degree is between 60 DEG C -115 DEG C.
3. landfill leachate treatment equipment according to claim 1, it is characterised in that in the alkali reaction tank, acid reaction pond
It is equipped with pH value in-line analyzer.
4. the landfill leachate treatment equipment according to claim 1 or 3, it is characterised in that the alkali reaction tank and the acid
Mechanical agitator is equipped with reaction tank.
5. landfill leachate treatment equipment according to claim 1 or claim 2, it is characterised in that the MVR vaporizing bodies are using vertical
Pipe falling film type or lying pipe coating film type.
6. landfill leachate treatment equipment according to claim 1 or claim 2, it is characterised in that the MVR vaporizing bodies are also connected
There is the steam generator with driven by power.
7. landfill leachate treatment equipment according to claim 1, it is characterised in that the oxidative system is removes ammonia nitrogen
Oxidative system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274347.9A CN106966538A (en) | 2017-04-25 | 2017-04-25 | A kind of landfill leachate treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274347.9A CN106966538A (en) | 2017-04-25 | 2017-04-25 | A kind of landfill leachate treatment equipment |
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| Publication Number | Publication Date |
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| CN106966538A true CN106966538A (en) | 2017-07-21 |
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| CN201710274347.9A Pending CN106966538A (en) | 2017-04-25 | 2017-04-25 | A kind of landfill leachate treatment equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057052A1 (en) * | 2020-09-17 | 2022-03-24 | 广东闻扬环境科技有限公司 | Treatment system and treatment method for landfill leachate wastewater |
| CN114380445A (en) * | 2022-01-13 | 2022-04-22 | 河南省三门峡水文水资源勘测局 | Landfill leachate treatment facility |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112212A (en) * | 1965-01-27 | 1968-05-01 | Aqua Chem Inc | Method and system for distilling water |
| CN204779248U (en) * | 2015-06-16 | 2015-11-18 | 大连广泰源环保科技有限公司 | A sewage treatment system for landfill leachate |
| CN206680333U (en) * | 2017-04-25 | 2017-11-28 | 大连广泰源环保科技有限公司 | A kind of landfill leachate treatment equipment |
-
2017
- 2017-04-25 CN CN201710274347.9A patent/CN106966538A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1112212A (en) * | 1965-01-27 | 1968-05-01 | Aqua Chem Inc | Method and system for distilling water |
| CN204779248U (en) * | 2015-06-16 | 2015-11-18 | 大连广泰源环保科技有限公司 | A sewage treatment system for landfill leachate |
| CN206680333U (en) * | 2017-04-25 | 2017-11-28 | 大连广泰源环保科技有限公司 | A kind of landfill leachate treatment equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057052A1 (en) * | 2020-09-17 | 2022-03-24 | 广东闻扬环境科技有限公司 | Treatment system and treatment method for landfill leachate wastewater |
| CN114380445A (en) * | 2022-01-13 | 2022-04-22 | 河南省三门峡水文水资源勘测局 | Landfill leachate treatment facility |
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Application publication date: 20170721 |