CN205258235U - Landfill leachate effluent disposal system - Google Patents
Landfill leachate effluent disposal system Download PDFInfo
- Publication number
- CN205258235U CN205258235U CN201520931946.XU CN201520931946U CN205258235U CN 205258235 U CN205258235 U CN 205258235U CN 201520931946 U CN201520931946 U CN 201520931946U CN 205258235 U CN205258235 U CN 205258235U
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- Prior art keywords
- landfill leachate
- wastewater treatment
- treatment system
- uviol lamp
- regulating reservoir
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Abstract
The utility model belongs to the technical field of waste water treatment, concretely relates to landfill leachate effluent disposal system. Landfill leachate effluent disposal system include that a pH equalizing basin, PAC - fly ash thoughtlessly adsorb pond, first sedimentation tank, the 2nd pH equalizing basin, backward flow formula ultraviolet light catalytic apparatus, the 3rd pH equalizing basin, second sedimentation tank and constructed wetland with fixed attention, wherein, a pH equalizing basin, PAC - fly ash thoughtlessly adsorb pond, first sedimentation tank, the 2nd pH equalizing basin, backward flow formula ultraviolet light catalytic apparatus, the 3rd pH equalizing basin, second sedimentation tank and constructed wetland with fixed attention and connect gradually, backward flow formula ultraviolet light catalytic apparatus and second sedimentation tank constitute circulation circuit. The utility model has the characteristics of the high efficiency, handle more thoroughly, simple process and use economy are convenient etc and view value, fine application prospect has, is worth promoting.
Description
Technical field
The utility model belongs to technical field of waste water processing, is specifically related to a kind of percolate wastewater treatment beSystem.
Background technology
Along with the quickening of Urbanization in China and improving constantly of living standards of the people, domestic waste producesThe raw rate increase of measuring with annual 4.8%, wherein the rubbish of a part is disposed with land-fill method. And along withThe passing of time, the rubbish of landfill has stepped into the stage of aging.
Organic matter in mature landfill leachate is mainly taking humus as main, its biodegradability extreme difference, inorganic fromSub-content is high, and carbon-nitrogen ratio is seriously lacked of proper care, and the ammonium ion of high concentration produces and suppresses biological treatment, and this makes" old-age group " percolate becomes the difficult point in percolate processing.
It is " biochemical treatment+depth that current domestic percolate is processed the commonplace technique of applicationReason ", biochemical treatment is to adopt MBR technique as main, and advanced treating adopts nanofiltration/counter-infiltration more, Ta MendouExistence need to add carbon source, problem that operating cost is high, and later stage concentrate is difficult to process. And employing ammoniaStripping and Anammox can effectively be removed ammonia nitrogen, save energy consumption, but the limitation of these several treatment processProperty is very large. Transport, the storage of ammonia stripping technology lime bring a lot of inconvenience, in addition stripping tower to operational managementFiller be easy to stop up, the ammonia that stripping goes out need reclaim; Anaerobic ammonia oxidation process start-up time is very long,Growth of microorganism condition harshness etc. High-level oxidation technology also has certain application, although its treatment effect is thorough,But operating cost is higher.
Therefore, the processing up to standard of percolate and thoroughly innoxiously become extremely urgent green technology problem,And find a kind of economy, fast, efficient, to process method be thoroughly rubbish processing to be harmless technical developmentCrucial.
Utility model content
For overcome in prior art percolate processing cost high, process thoroughly and the shortcoming such as poor efficiency andDeficiency, the purpose of this utility model is to provide a kind of landfill leachate wastewater treatment system.
The purpose of this utility model is achieved through the following technical solutions:
A kind of landfill leachate wastewater treatment system, comprises a pH regulating reservoir, PAC-flyash Coagulation and AdsorptionPond, the first sedimentation basin, the 2nd pH regulating reservoir, reverse-flow type uviol lamp photocatalysis equipment, the 3rd pH regulating reservoir,The second sedimentation basin and artificial swamp;
Wherein, a described pH regulating reservoir, PAC-flyash Coagulation and Adsorption pond, the first sedimentation basin, secondPH regulating reservoir, reverse-flow type uviol lamp photocatalysis equipment, the 3rd pH regulating reservoir, the second sedimentation basin and Manual moistGround connects successively; Described reverse-flow type uviol lamp photocatalysis equipment and the second sedimentation basin form closed circuit;
Described reverse-flow type uviol lamp photocatalysis equipment preferably includes at least three purples that connect successively from top to bottomOuter photocatalysis oxidation reaction pond; Wherein, be positioned at ultraviolet catalytic oxidation reaction tank and other ultraviolets of the topPhotocatalysis oxidation reaction pond forms respectively closed circuit; The ultraviolet catalytic oxidation reaction tank that is positioned at the top withThe 2nd pH regulating reservoir connects; Be positioned at the ultraviolet catalytic oxidation reaction tank and the 3rd pH regulating reservoir company of belowConnect; Waste water enters in a ultraviolet catalytic oxidation reaction tank after reaction, flows into next ultraviolet catalyticOxidation reaction pond; The waste water of each ultraviolet catalytic oxidation reaction tank is back to the top after being overflowed by topUltraviolet catalytic oxidation reaction tank;
Described landfill leachate wastewater treatment system also comprises water monitor;
The described water monitor that goes out is connected with the second sedimentation basin;
Described landfill leachate wastewater treatment system also comprises air blast;
Described air blast is connected with PAC-flyash Coagulation and Adsorption pond;
Described air blast also with reverse-flow type uviol lamp photocatalysis equipment connection; Described air blast is to PAC-powderIn each ultraviolet catalytic oxidation reaction tank of coal ash Coagulation and Adsorption pond and reverse-flow type uviol lamp oxidation equipmentWaste water carry out aeration;
Described uviol lamp is preferably low-pressure high-strength uviol lamp, middle pressure uviol lamp or high-pressure ball type uviol lamp;
Described artificial swamp preferably includes underflow type artificial wet land planting district and fish pond artificial swamp;
The water inlet in described underflow type artificial wet land planting district is connected with the delivery port of the second sedimentation basin;
The described delivery port in underflow type artificial wet land planting district and the water inlet of fish pond artificial swamp connectConnect;
Described plant is preferably in reed, cattail, Arundo donax, cyperus alternifolius, calamus and Scirpus tabernaemontani at leastA kind of;
The utility model has following advantage and effect with respect to prior art:
(1) the PAC-flyash Coagulation and Adsorption pond in the utility model adopts flyash and PAC disposal of refusePercolate, the prices of raw and semifnished materials are cheap, easy to use, and particularly flyash can freely obtain in a large number, economyTime also reached the effect of refuse circulation.
(2) need be at high temperature (150～350 DEG C) and high pressure (0.5～20MPa) with conventional catalyst wet oxidation processReaction condition compare, the utility model adopts ultraviolet catalytic oxidation reaction tank, can make wet oxidation anti-Should under the temperate condition of normal temperature and pressure, carry out;
(3) the more traditional oxidation technology of reverse-flow type uviol lamp photocatalysis equipment that the utility model adopts, canBy harmless compositions such as organic matter exhaustive oxidation Cheng Shui and carbon dioxide, reach innoxious; Have simultaneously deodorizing,The effect of decolouring and sterilizing.
(4) the utility model adopts reverse-flow type uviol lamp photocatalysis equipment, can continuity operation disposal of refusePercolate, has higher efficiency.
(5) artificial swamp in the utility model comprises underflow type artificial wet land growing area and ecological fish pond,When thorough disposal of refuse percolate, can realize landscape function, there are good ecological benefits.
(6) group technology of the disposal of refuse percolate that the utility model adopts has high efficiency, processing is more thoroughThe end, technique, are simple and use economy feature and landscape value easily, have good application prospect, valueMust promote.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model landfill leachate wastewater treatment system.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but the utility modelEmbodiment be not limited to this.
Embodiment 1
As shown in Figure 1, a kind of landfill leachate wastewater treatment system, comprises a pH regulating reservoir 1, PAC-Flyash Coagulation and Adsorption pond 2, the first sedimentation basin 3, the 2nd pH regulating reservoir 4, the photocatalysis of reverse-flow type uviol lampEquipment 5, the 3rd pH regulating reservoir 6, the second sedimentation basin 7 and artificial swamp 8;
Wherein, a described pH regulating reservoir 1, PAC-flyash Coagulation and Adsorption pond 2, the first sedimentation basin 3,The 2nd pH regulating reservoir 4, reverse-flow type uviol lamp photocatalysis equipment 5, the 3rd pH regulating reservoir 6, the second sedimentation basin7 are connected successively with artificial swamp 8; Described reverse-flow type uviol lamp photocatalysis equipment 5 and the second sedimentation basin 7 structuresBecome closed circuit;
Described reverse-flow type uviol lamp photocatalysis equipment 5 preferably include at least three from top to bottom successively connectUltraviolet catalytic oxidation reaction tank; Wherein, be positioned at ultraviolet catalytic oxidation reaction tank and other purples of the topOuter photocatalysis oxidation reaction pond forms respectively closed circuit; Be positioned at the ultraviolet catalytic oxidation reaction tank of the topBe connected with the 2nd pH regulating reservoir 4; Be positioned at the ultraviolet catalytic oxidation reaction tank and the 3rd pH adjusting of belowPond 6 connects; Waste water enters in a ultraviolet catalytic oxidation reaction tank after reaction, flows into next ultravioletPhotocatalysis oxidation reaction pond; The waste water of each ultraviolet catalytic oxidation reaction tank is back to after being overflowed by topThe ultraviolet catalytic oxidation reaction tank of the top;
Described landfill leachate wastewater treatment system also comprises water monitor 9;
The described water monitor 9 that goes out is connected with the second sedimentation basin 7;
Described landfill leachate wastewater treatment system also comprises air blast 10;
Described air blast 10 is connected with PAC-flyash Coagulation and Adsorption pond 2;
Described air blast 10 is also connected with reverse-flow type uviol lamp photocatalysis equipment 5; Described air blast 10To each ultraviolet catalytic of PAC-flyash Coagulation and Adsorption pond 2 and reverse-flow type uviol lamp oxidation equipment 5Waste water in oxidation reaction pond carries out aeration;
Described uviol lamp is preferably low-pressure high-strength uviol lamp, middle pressure uviol lamp or high-pressure ball type uviol lamp;
Described artificial swamp 8 preferably includes underflow type artificial wet land planting district and fish pond artificial swamp;
The water inlet in described underflow type artificial wet land planting district is connected with the delivery port of the second sedimentation basin 7;
The described delivery port in underflow type artificial wet land planting district and the water inlet of fish pond artificial swamp connectConnect;
Described plant is preferably in reed, cattail, Arundo donax, cyperus alternifolius, calamus and Scirpus tabernaemontani at leastA kind of;
Described landfill leachate wastewater treatment system is processed the method for waste water, comprises following steps:
(1) with same concentrations sulfuric acid and hydrochloric acid taking volume ratio as (1:1)～ratio preparation mixing (1:3)Liquid, regulating pH is 3～5, obtains mix acid liquor; Add this mix acid liquor to soak 4～5h in flyash,It is carried out to pretreatment;
(2) in a pH regulating reservoir 1, percolate is regulated to pH to 3.0～6.0, then rubbishPercolate enters the first sedimentation basin 3 after entering PAC-flyash Coagulation and Adsorption pond 2 Air Exposure 0.5～2min,Wherein, in PAC-flyash Coagulation and Adsorption pond 2, the input amount of flyash and PAC is respectively 8.0g/L and 350Mg/L, the clearance of the CODcr of the percolate after the first sedimentation basin 3 precipitations can reach 74%, canBiochemical index rises to 0.35 by 0.19;
Supernatant in (3) first sedimentation basins 3 enter in the 2nd pH regulating reservoir 4, regulate its pH be 3.0～5.0, then flow into reverse-flow type uviol lamp photocatalysis equipment 5 and carry out oxygen under 25 DEG C～70 DEG C and condition of normal pressureChange reaction 90～120min, and flyash in the first sedimentation basin 3 precipitation is carried out security landfill; Wherein, warpThe degradation rate of crossing the CODcr of the percolate of reverse-flow type uviol lamp photocatalysis equipment 5 can reach more than 87%,Biochemical index rises to 0.46 by 0.35;
(4) to enter and regulate its pH in the 3rd pH regulating reservoir 6 be 6.5～7.5 to reacted percolateAfter enter the second sedimentation basin 7, after precipitation, CODcr is that supernatant liquor below 300 enters in the second sedimentation basin 7Enter the underflow type artificial wet land planting district of artificial swamp 8, if the second sedimentation basin is clear at the middle and upper levels after precipitationLiquid CODcr, higher than 300, is back to reverse-flow type uviol lamp photocatalysis equipment 5 and again reacts, and sinkShallow lake thing carries out sanitary landfills;
(4) after precipitation, CODcr is that supernatant liquor below 300 enters underflow type artificial in the second sedimentation basin 7Wetland plant growing area, then flows into artificial swamp region, fish pond. Wherein, underflow type artificial wet land plant speciesThe plant of planting district is preferably at least one in reed, cattail, Arundo donax, cyperus alternifolius, calamus and Scirpus tabernaemontani;Reed and cattail to preliminary degraded after organic clearance can reach 95%, and Scirpus tabernaemontani can reach 70%; FlowerLeaf giantreed can be up to 93%, 88% and 98% to the clearance of ammonia nitrogen, total nitrogen, total phosphorus; Cyperus alternifolius counterweightThe clearance of metal Cu, Mn reaches 30%, can reach 10% to Zn, Cd and Pn, and it also has fine to total phosphorusPlace to go effect.
Above-described embodiment is preferably embodiment of the utility model, but embodiment of the present utility model is notBe restricted to the described embodiments, other any do not deviate from Spirit Essence of the present utility model and lower of principle is doneChange, modification, substitute, combination, simplify, all should be equivalent substitute mode, be included in this practicalityWithin novel protection domain.
Claims (8)
1. a landfill leachate wastewater treatment system, is characterized in that: comprise a pH regulating reservoir, PAC-Flyash Coagulation and Adsorption pond, the first sedimentation basin, the 2nd pH regulating reservoir, reverse-flow type uviol lamp photocatalysis equipment,The 3rd pH regulating reservoir, the second sedimentation basin and artificial swamp;
Wherein, a described pH regulating reservoir, PAC-flyash Coagulation and Adsorption pond, the first sedimentation basin, secondPH regulating reservoir, reverse-flow type uviol lamp photocatalysis equipment, the 3rd pH regulating reservoir, the second sedimentation basin and Manual moistGround connects successively; Described reverse-flow type uviol lamp photocatalysis equipment and the second sedimentation basin form closed circuit.
2. landfill leachate wastewater treatment system according to claim 1, is characterized in that:
Described reverse-flow type uviol lamp photocatalysis equipment comprises at least three ultraviolet lights that connect successively from top to bottomCatalytic oxidation pond; Wherein, the ultraviolet catalytic oxidation reaction tank and other ultraviolet lights that are positioned at the top are urgedOxidation pond forms respectively closed circuit; Be positioned at the ultraviolet catalytic oxidation reaction tank and second of the topPH regulating reservoir connects; Being positioned at the ultraviolet catalytic oxidation reaction tank of below is connected with the 3rd pH regulating reservoir.
3. landfill leachate wastewater treatment system according to claim 1, is characterized in that:
Described landfill leachate wastewater treatment system also comprises water monitor;
The described water monitor that goes out is connected with the second sedimentation basin.
4. landfill leachate wastewater treatment system according to claim 1, is characterized in that:
Described landfill leachate wastewater treatment system also comprises air blast; Described air blast and PAC-fine coalAsh Coagulation and Adsorption pond connects.
5. landfill leachate wastewater treatment system according to claim 4, is characterized in that:
Described air blast also with reverse-flow type uviol lamp photocatalysis equipment connection.
6. landfill leachate wastewater treatment system according to claim 1, is characterized in that:
Described artificial swamp comprises underflow type artificial wet land planting district and fish pond artificial swamp;
The water inlet in described underflow type artificial wet land planting district is connected with the delivery port of the second sedimentation basin;
The described delivery port in underflow type artificial wet land planting district and the water inlet of fish pond artificial swamp connectConnect.
7. landfill leachate wastewater treatment system according to claim 6, is characterized in that:
Described plant is at least one in reed, cattail, Arundo donax, cyperus alternifolius, calamus and Scirpus tabernaemontani.
8. landfill leachate wastewater treatment system according to claim 1, is characterized in that:
Described uviol lamp is low-pressure high-strength uviol lamp, middle pressure uviol lamp or high-pressure ball type uviol lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931946.XU CN205258235U (en) | 2015-11-19 | 2015-11-19 | Landfill leachate effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931946.XU CN205258235U (en) | 2015-11-19 | 2015-11-19 | Landfill leachate effluent disposal system |
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| Publication Number | Publication Date |
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| CN205258235U true CN205258235U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520931946.XU Expired - Fee Related CN205258235U (en) | 2015-11-19 | 2015-11-19 | Landfill leachate effluent disposal system |
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| CN (1) | CN205258235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935267A (en) * | 2017-12-14 | 2018-04-20 | 浙江启尔机电技术有限公司 | There is the ultrapure water preparation device of adjusting water outlet total organic carbon for liquid immersion lithography |
| CN110467273A (en) * | 2019-08-27 | 2019-11-19 | 暨南大学 | The Ecotoxicology and biodegradability evaluation method of a kind of landfill leachate concentration liquid and its application |
-
2015
- 2015-11-19 CN CN201520931946.XU patent/CN205258235U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935267A (en) * | 2017-12-14 | 2018-04-20 | 浙江启尔机电技术有限公司 | There is the ultrapure water preparation device of adjusting water outlet total organic carbon for liquid immersion lithography |
| CN107935267B (en) * | 2017-12-14 | 2023-12-12 | 浙江启尔机电技术有限公司 | Ultrapure water preparation device with total organic carbon of effluent adjustment for immersion lithography |
| CN110467273A (en) * | 2019-08-27 | 2019-11-19 | 暨南大学 | The Ecotoxicology and biodegradability evaluation method of a kind of landfill leachate concentration liquid and its application |
| CN110467273B (en) * | 2019-08-27 | 2021-08-24 | 暨南大学 | Evaluation method for microbial toxicity and biodegradability of landfill leachate concentrated solution and application thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20181119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |