CN204918311U - High concentration difficult degradation landfill leachate processing system - Google Patents
High concentration difficult degradation landfill leachate processing system Download PDFInfo
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- CN204918311U CN204918311U CN201520606207.3U CN201520606207U CN204918311U CN 204918311 U CN204918311 U CN 204918311U CN 201520606207 U CN201520606207 U CN 201520606207U CN 204918311 U CN204918311 U CN 204918311U
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Abstract
The utility model discloses a high concentration difficult degradation landfill leachate processing system relates to refuse treatment technical field. Blow and take off device, TDS judgement system, membrane bioreactor, one -level dish tubular filter, second grade dish tubular filter and control system including promotion water pump, preliminary treatment pond, filter equipment, dominant reaction pond, flocculation and precipitation pond, ammonia nitrogen. Processing system at first oxidation detaches a large amount of organic substance s of landfill leachate in dense, then with a large amount of ammonia nitrogens through blowing deacidification absorption method industry retrieval and utilization, combine membrane bioreactor's biochemical effect, and the high -efficient separation effect of dish tubular membrane to water and salinity, finally realize the landfill yard on -site part retrieval and utilization and the thorough innoxious emission of landfill leachate concentrate, current landfill leachate processing technique's technical defect has been compensatied, it is finally innoxious to make landfill leachate, evaporate with the tradition, the system of burning compares, this system has economic high efficiency, stable water quality of yielded water, it is energy -conserving pollution -free, advantages such as application scope broadens.
Description
Technical field
The utility model relates to technical field of garbage disposal, particularly relates to a kind of high-concentration hardly-degradable garbage percolation liquid treating system.
Background technology
Along with the raising of national economic development level, the quickening of ur-banization speed, landfill stabilization quantity of refuse grows with each passing day, the percolate produced because of its complicated components, toxicity is large, difficult treatment, environmental pollution serious, causes the extensive concern of government and street levels.Percolate be usually containing in a large number can not be biochemical toxic organics, the nitrogenous compound of high density, each metal ion species etc., be one of great difficult problem of environmental technology field, great threat formed to HUMAN HEALTH and ecotope.
Along with the development of science and technology, membrane separation process is widely used in the process of percolate, and membrane separation process can be divided into reverse osmosis method, nanofiltration, ultrafiltration, millipore filtration etc.Membrane separation technique efficiently can retain inorganic pollutant (as: various nitrogenous compound, metal ion etc.) and the organic pollutant (as: ester class, phenols, polycyclic aromatic hydrocarbons, various pathogenic agent etc.) of solubilised state in percolate, the pollutent that film retains defines film filtration concentrated, in concentrated solution organism and the total dissolved solid based on inorganic salt (TDS) content very high, the current treatment process without mature and reliable is the biggest problem in membrane separation process.At present, do not possess biodegradability because of film filtration concentrated, method and physico-chemical process are recharged in the many employings of its treatment process.The method of recharging has the features such as reduced investment, easy to operate, working cost is low, but there is poor permeability, inorganic salt accumulation problem due to a variety of causes in traditional recharge method, cause the membrane flux of membrane treatment process more and more less, mould material consumption increases, processing costs is more and more higher, brings larger pressure to existing percolate treating process.Physico-chemical process comprises the precipitator method, evaporation, burning etc.The precipitator method are cheap, but treatment effect is limited; There is high, the residual dope safe disposal difficult problem of power consumption in method of evaporation; It is high to there is power consumption in combustion method, causes secondary pollution problem to air.
Therefore, the harmless treatment of rubbish percolation liquid membrane filtering and concentrating liquid becomes extremely urgent environmental issue, and find a kind of economy, fast, the key that efficient, the method thoroughly that processes is the development of garbage harmless industry technology.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of high-concentration hardly-degradable garbage percolation liquid treating system, and described treatment system has economical and efficient, stable effluent quality, saving power and preventing pollution dye, feature applied widely.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of high-concentration hardly-degradable garbage percolation liquid treating system, it is characterized in that: comprise lifting water pump, pretreatment pool, filtration unit, main reaction pond, flocculation sedimentation tank, ammonia nitrogen blowing-off device, TDS judgement system, membrane bioreactor, one-level dish pipe filter, secondary dish pipe filter and Controlling System, percolate is positioned in pretreatment pool, the first liquidometer is provided with in pretreatment pool, first agitator, one PH meter, first liquidometer, one PH meter is connected with the signal input part of Controlling System, first agitator is controlled by Controlling System, first liquid outlet of dosing tank is connected with the feeding opening of pretreatment pool through the first dosing pump, the liquid outlet of pretreatment pool is connected with the fluid inlet of filtration unit through promoting water pump, the liquid outlet of filtration unit is connected with the fluid inlet in main reaction pond, temperature-control device, the second liquidometer, ultraviolet source, the second agitator is provided with in main reaction pond, second liquidometer is connected with the signal input part of Controlling System, temperature-control device, ultraviolet source and the second agitator are controlled by Controlling System, and the second liquid outlet of dosing tank is connected through the feeding opening of the second dosing pump with main reaction pond, the fluid inlet of flocculation sedimentation tank is connected with line mixer import, 3rd liquid outlet of dosing tank is connected with another import of line mixer through the 3rd dosing pump, be provided with the 3rd liquidometer in described flocculation sedimentation tank and the 2nd PH counts, the 3rd liquidometer is connected with the signal input part of Controlling System with the 2nd PH meter, the liquid outlet of flocculation sedimentation tank is connected with the fluid inlet of ammonia nitrogen blowing-off device, the liquid outlet of ammonia nitrogen blowing-off device is connected with the fluid inlet of TDS judgement system, a liquid outlet of TDS judgement system is connected with the fluid inlet of one-level dish pipe filter, the liquid outlet of one-level dish pipe filter is connected with the fluid inlet of pretreatment pool, and another liquid outlet of TDS judgement system discharges reuse successively after one-level dish pipe filter, secondary dish pipe filter.
Further technical scheme is: described treatment system also comprises the bucket being positioned at flocculation sedimentation tank mud mouth, the mud mouth of bucket is connected with the mud inlet of pressure mud machine, the mud discharging mouth of pressure mud machine is provided with electromagnetism mud valve, and described electromagnetism mud valve is controlled by described Controlling System.
Further technical scheme is: described treatment system also comprises work box.
Further technical scheme is: described Controlling System is provided with control panel.
The beneficial effect adopting technique scheme to produce is: first described treatment system is oxidized the large amount of organic matter in removing landfill leachate thick, then a large amount of ammonia nitrogen is passed through stripping acid absorption process industrial reuse, the biochemical action of binding film bio-reactor (MBR), and dish tubular membrane is to the high efficiency separation effect of water and salinity, finally realize percolate and concentrate the landfill yard on-site part reuse of liquid and thorough harmless discharge, well make up the technological deficiency of conventional garbage leachate treatment technology, make percolate finally innoxious, evaporate with tradition, incineration system is compared, this system has economical and efficient, stable effluent quality, saving power and preventing pollution contaminates, the advantage such as applied widely.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is functional block diagram of the present utility model;
Wherein: 1, promote water pump 2, pretreatment pool 3, filtration unit 4, main reaction pond 5, flocculation sedimentation tank 6, ammonia nitrogen blowing-off device 7, temperature-control device 8, first liquidometer 9, ultraviolet source 10, first agitator 11, one PH meter 12, bucket 13, electromagnetism mud valve 14, TDS judgement system 15, membrane bioreactor 16, one-level dish pipe filter 17, secondary dish pipe filter 18, first dosing pump 19, second dosing pump 20, 3rd dosing pump 21, dosing tank 22, Controlling System 23, control panel 24, work box 25, line mixer 26, pressure mud machine 27, second liquidometer 28, second agitator 29, 3rd liquidometer 30, 2nd PH meter.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 1, the utility model discloses a kind of high-concentration hardly-degradable garbage percolation liquid treating system, comprise and promote water pump 1, pretreatment pool 2, filtration unit 3, main reaction pond 4, flocculation sedimentation tank 5, ammonia nitrogen blowing-off device 6, TDS judgement system 14, membrane bioreactor 15, one-level dish pipe filter 16, secondary dish pipe filter 17 and Controlling System 22, described Controlling System 22 is provided with control panel 23, for input and output data, above device all adopts strong corrosion resistant and temperature-resistant material to process.
Percolate is positioned in pretreatment pool 2, the first liquidometer 8, first agitator 10, a PH meter 11 is provided with in pretreatment pool 2, first liquidometer 8, a PH meter 11 are connected with the signal input part of Controlling System 22, first agitator 10 is controlled by Controlling System 22, and the first liquid outlet of dosing tank 21 is connected with the feeding opening of pretreatment pool 2 through the first dosing pump 18; The liquid outlet of pretreatment pool 2 is connected with the fluid inlet of filtration unit 3 through promoting water pump 1, the liquid outlet of filtration unit 3 is connected with the fluid inlet in main reaction pond 4, be provided with temperature-control device 7, second liquidometer 27 in main reaction pond 4, ultraviolet source 9, second agitator 28, second liquidometer 27 is connected with the signal input part of Controlling System 22.
Temperature-control device 7, ultraviolet source 9 and the second agitator 28 are controlled by Controlling System 22, and the second liquid outlet of dosing tank 21 is connected with the feeding opening in main reaction pond 4 through the second dosing pump 19; The fluid inlet of flocculation sedimentation tank 5 is connected with an import of line mixer 25,3rd liquid outlet of dosing tank 21 is connected with another import of line mixer 25 through the 3rd dosing pump 20, be provided with the 3rd liquidometer 29 and the 2nd PH in described flocculation sedimentation tank 5 to count the 30, three liquidometer 29 and be connected with the signal input part of Controlling System 22 with the 2nd PH meter 30; The liquid outlet of flocculation sedimentation tank 5 is connected with the fluid inlet of ammonia nitrogen blowing-off device 6, the liquid outlet of ammonia nitrogen blowing-off device 6 is connected with the fluid inlet of TDS judgement system 14, a liquid outlet of TDS judgement system 14 is connected with the fluid inlet of one-level dish pipe filter 16, the liquid outlet of one-level dish pipe filter 16 is connected with the fluid inlet of pretreatment pool 2, and another liquid outlet of TDS judgement system 14 discharges reuse successively after one-level dish pipe filter 16, secondary dish pipe filter 17.
Described treatment system also comprises the bucket 12 being positioned at flocculation sedimentation tank 5 mud mouth, and the mud mouth of bucket 12 is connected with the mud inlet of pressure mud machine 26, and the mud discharging mouth of pressure mud machine 26 is provided with electromagnetism mud valve 13, and described electromagnetism mud valve 13 is controlled by described Controlling System 22.
The power of whole treatment system completes by promoting water pump 1, and Controlling System 22 controls its automatic open and close.Main pre-treatment waste water being carried out to acid-basicity adjustment in pretreatment pool 2.Tank gage, agitator and pH meter is provided with in pretreatment pool 2.Controlling System 22 according to the pH numerical value preset, can control dosing pump and adds soda acid medicament, be automatically adjusted to target setting.The numerical value that Controlling System 22 gathers according to temperature-control device 7, also can realize automatically accurately controlling wastewater temperature equally.Liquid level information can be fed back to Controlling System by tank gage constantly, thus realizes the accurate control to liquid level.Agitator makes by stirring that pH value in waste water system is homogeneous, medicament is evenly distributed.Before pretreated waste water is pumped into main reaction pond 4, by filtration devices process, temperature-control device, tank gage, ultraviolet source and agitator is provided with in main reaction pond, ultraviolet source is by pre-set its automatic open and close of operation sequence control of Controlling System, ensure that reaction opens light source at first, time the reaction times terminates, close light source.Oxygenant in dosing tank is added in main reaction pond by dosing pump, and Controlling System controls its dosage.
Be added in flocculation sedimentation tank after line mixer and dosing pump flow into alkali lye Homogeneous phase mixing after wastewater treatment, tank gage and pH meter is provided with in it, Controlling System adds dosage according to pre-set pH value control dosing pump, pH meter feeds back waste water ph constantly, after reaching target value, close or open dosing pump, realizing the pH condition required by coagulation-flocculation operation.Process rear waste water up to standard and enter ammonia nitrogen blowing-off device, in the suitable situation of pH, by stripping method, ammonia stripping is left aqueous phase, ammonia nitrogen level in waste liquid is reduced to below 25mg/L, again by acid absorb ammonia form ammonium sulfate product can industrial reuse, the clear water finally will handled well, is differentiated by TDS judgement system, when TDS is less than 20000mg/l, process water is entered membrane bioreactor (MBR) and carry out biochemical treatment; When TDS is more than or equal to 20000mg/l, process water is directly entered one-level dish pipe filter, concentrated solution enters pretreatment pool, and permeate enters secondary dish pipe filter, second stage filtering and concentrating liquid discharges with film filtration effluent, and the reuse of permeate part does miscellaneous water to plant area.Bucket can collect mud, regularly opens pressure mud machine and clarifier sludge is compressed decrement, and produce a small amount of mud extrusion water and enter equalizing tank, electromagnetism mud valve is regularly opened and discharged mud outward transport.The utility model adopts full automatic operation scheme, and therefore, said process all sends instruction by automatic operation panel, controls above-mentioned operation implement by Controlling System.Work box 24 is for stocking equipment part and the common tool of daily need maintenance.
First described treatment system is oxidized the large amount of organic matter in removing landfill leachate thick, then a large amount of ammonia nitrogen is passed through stripping acid absorption process industrial reuse, the biochemical action of binding film bio-reactor (MBR), and dish tubular membrane is to the high efficiency separation effect of water and salinity, finally realize percolate and concentrate the landfill yard on-site part reuse of liquid and thorough harmless discharge, well make up the technological deficiency of conventional garbage leachate treatment technology, make percolate finally innoxious, evaporate with tradition, incineration system is compared, this system has economical and efficient, stable effluent quality, saving power and preventing pollution contaminates, the advantage such as applied widely.
Claims (4)
1. a high-concentration hardly-degradable garbage percolation liquid treating system, it is characterized in that: comprise and promote water pump (1), pretreatment pool (2), filtration unit (3), main reaction pond (4), flocculation sedimentation tank (5), ammonia nitrogen blowing-off device (6), TDS judgement system (14), membrane bioreactor (15), one-level dish pipe filter (16), secondary dish pipe filter (17) and Controlling System (22), percolate is positioned in pretreatment pool (2), the first liquidometer (8) is provided with in pretreatment pool (2), first agitator (10), one PH meter (11), first liquidometer (8), one PH meter (11) is connected with the signal input part of Controlling System (22), first agitator (10) is controlled by Controlling System (22), first liquid outlet of dosing tank (21) is connected through the feeding opening of the first dosing pump (18) with pretreatment pool (2), the liquid outlet of pretreatment pool (2) is connected with the fluid inlet of filtration unit (3) through promoting water pump (1), the liquid outlet of filtration unit (3) is connected with the fluid inlet of main reaction pond (4), temperature-control device (7) is provided with in main reaction pond (4), second liquidometer (27), ultraviolet source (9), second agitator (28), second liquidometer (27) is connected with the signal input part of Controlling System (22), temperature-control device (7), ultraviolet source (9) and the second agitator (28) are controlled by Controlling System (22), second liquid outlet of dosing tank (21) is connected through the feeding opening of the second dosing pump (19) with main reaction pond (4), the fluid inlet of flocculation sedimentation tank (5) is connected with an import of line mixer (25), 3rd liquid outlet of dosing tank (21) is connected with another import of line mixer (25) through the 3rd dosing pump (20), be provided with the 3rd liquidometer (29) and the 2nd PH meter (30) in described flocculation sedimentation tank (5), the 3rd liquidometer (29) and the 2nd PH count (30) and are connected with the signal input part of Controlling System (22), the liquid outlet of flocculation sedimentation tank (5) is connected with the fluid inlet of ammonia nitrogen blowing-off device (6), the liquid outlet of ammonia nitrogen blowing-off device (6) is connected with the fluid inlet of TDS judgement system (14), a liquid outlet of TDS judgement system (14) is connected with the fluid inlet of one-level dish pipe filter (16), the liquid outlet of one-level dish pipe filter (16) is connected with the fluid inlet of pretreatment pool (2), another liquid outlet of TDS judgement system (14) is successively through one-level dish pipe filter (16), secondary dish pipe filter (17) discharges reuse afterwards.
2. high-concentration hardly-degradable garbage percolation liquid treating system according to claim 1, it is characterized in that: described treatment system also comprises the bucket (12) being positioned at flocculation sedimentation tank (5) mud mouth, the mud mouth of bucket (12) is connected with the mud inlet of pressure mud machine (26), the mud discharging mouth of pressure mud machine (26) is provided with electromagnetism mud valve (13), and described electromagnetism mud valve (13) is controlled by described Controlling System (22).
3. high-concentration hardly-degradable garbage percolation liquid treating system according to claim 1, is characterized in that: described treatment system also comprises work box (24).
4. high-concentration hardly-degradable garbage percolation liquid treating system according to claim 1, is characterized in that: described Controlling System (22) is provided with control panel (23).
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| CN201520606207.3U CN204918311U (en) | 2015-08-12 | 2015-08-12 | High concentration difficult degradation landfill leachate processing system |
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| CN201520606207.3U CN204918311U (en) | 2015-08-12 | 2015-08-12 | High concentration difficult degradation landfill leachate processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661979A (en) * | 2020-06-08 | 2020-09-15 | 厦门嘉戎技术股份有限公司 | Leachate recycling method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661979A (en) * | 2020-06-08 | 2020-09-15 | 厦门嘉戎技术股份有限公司 | Leachate recycling method and device |
| CN111661979B (en) * | 2020-06-08 | 2022-05-13 | 厦门嘉戎技术股份有限公司 | Leachate recycling method and device |
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Address after: 523808 Block B, Block 6, International Finance IT Research and Development Center, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province, Negative First to Second Floors Patentee after: Dongguan Dao Hui environmental protection Polytron Technologies Inc Address before: 523808 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone No. 9 Keyuan pine floor 411A room Patentee before: Dongguan Dohill Environmental Protection Technology Co., Ltd. |
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