CN205295088U - Kitchen garbage's leachate treatment system - Google Patents
Kitchen garbage's leachate treatment system Download PDFInfo
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- CN205295088U CN205295088U CN201521130853.3U CN201521130853U CN205295088U CN 205295088 U CN205295088 U CN 205295088U CN 201521130853 U CN201521130853 U CN 201521130853U CN 205295088 U CN205295088 U CN 205295088U
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Abstract
The utility model discloses a kitchen garbage's leachate treatment system, including catch basin, oil removal equalizing basin, hydrolysis -acidification pool, biochemical treatment unit, membrane bioreactor, the equipment of straining, reverse osmosis equipment and the clean water basin received, the delivery port of catch basin passes through the water inlet of water pump and pipe connection to oil removal equalizing basin, the delivery port of oil removal equalizing basin passes through water pump and the water inlet of pipe connection to hydrolysis -acidification pool, hydrolysis -acidification pool's delivery port passes through water pump and the water inlet of pipe connection to the biochemical treatment unit, the delivery port of biochemical treatment unit passes through pipe connection to membrane bioreactor water inlet, the membrane bioreactor delivery port is through the pipe connection to receiving the water inlet of the equipment of straining, the delivery port of the equipment of straining received passes through the water inlet of pipe connection to reverse osmosis equipment, the delivery port of reverse osmosis equipment passes through pipe connection to clean water basin. The simple structure of this system has realized the discharge to reach standard of compost field filtration liquid, and is energy -concerving and environment -protective, has reduced manufacturing cost.
Description
Technical field
The utility model relates to field of waste water treatment, particularly a kind of percolation liquid treating system of changing food waste.
Background technology
In changing food waste processing procedure, food waste percolate is very big to environmental hazard. Changing food waste oozesThe basic handling method of filtrate has physicochemical treatment method, biological treatment and soil facture. To meal kitchenRubbish carries out Separation of Solid and Liquid, and the water of the percolate obtaining is separated with oil phase, and wherein water passes throughEvery sewage water treatment method reaches discharge standard discharge, and oil phase substance obtains by modes such as filtration, distillationsOil and fat product, reaches resource, innoxious, has produced certain economic benefit and social benefit.
Along with rapid development of economy after reform and opening-up, Chinese people's living standard improves constantly, meal kitchen rubbishThe generation of rubbish constantly increases, and pollution on the environment is day by day serious, and becoming obstruction China's economic can holdOne of obstruction of supervention exhibition. The processing handling problems of changing food waste, has become the relevant departments such as Chinese GovernmentThe focus of top concern.
Changing food waste refers to resident's daily life and the food processing except resident's daily life, dietThe rubbish from cooking and the discarded edible oil and fat that in the activities such as service, unit serve the meals, produce. Wherein rubbish from cooking isRefer to food residues and food processing waste material; Discarded edible oil and fat refer to can not be edible again animal and plant fat andAll kinds of oil water mixtures. Changing food waste is mainly daily from daily life and the nondomestic of resident familyLive two kinds. Changing food waste composition is very complicated, comprising oil, water, pericarp, vegetables, rice and flour,The many kinds of substances such as fish, meat, bone and useless tableware, plastics, paper handkerchief, chemical composition, have starch,Cellulose, protein, lipid, inorganic salts, wherein taking organic principle as main, contain a large amount of starch andCellulose, in inorganic salts, the content of sodium chloride is higher, contains a certain amount of calcium, magnesium, potassium, iron etc. simultaneouslyTrace element. Its feature is as follows: the content of organics such as (1) crude protein and crude fibre are higher, developsBe worth larger, but perishable and produce stench; (2) moisture content is high, and transport is collected in inconvenience, and calorific value is low, locatesManage improper easy generation and ooze the secondary pollutions such as drop liquid; (3) oils and salt (NaCl) content of materialOther house refuse is high.
Because composition, the character of changing food waste are unstable, be subject to the impact of many factors very large, different factorsComposition, character and output on changing food waste have different impacts. If do not add processing, the changing food waste utmost pointPerishable, rotten, fermentation, grow mosquitos and flies, produces a large amount of toxin and distribute foul gas, for example stenchPollutant H2S、NH3, polluted-water and atmosphere, directly enter sewer and also can cause sewer blockage,Spread germs and virus, harm humans health.
Changing food waste stack and landfill process in due to the biochemical degradation such as compacting, fermentation, togetherTime under the seepage effect of precipitation and underground water, produced a kind of liquid of organic or inorganic composition of high concentrationBody, we are referred to as food waste percolate, also cry and ooze drop liquid. The factor that affects percolate generation is a lot,Mainly contain antiseepage place of the character of rainfall situation, rubbish in dumping landfill region and composition, landfill yardThe hydrogeologic condition in reason situation, place etc. CODcr, BOD5 concentration and city in percolateSewage is compared, and concentration is much higher, so percolate is cannot be direct without strict processing, disposalEnter municipal sewage treatment pipeline. The changing food waste of collecting is solidliquid mixture, and changing food waste transportsAfter treatment plant, by the solid phase in changing food waste, liquid phase separation, then process respectively, by adjustingLook into and urban actual operating data, food waste percolate content is 50%～65%. With reference to domesticChanging food waste oozes the water quality of drop liquid, and comprehensive Analysis deterrmination changing food waste oozes drop liquid water quality data and refers to table 1.
Utility model content
For solving above deficiency of the prior art, the utility model provides a kind of diafiltration of changing food wasteLiquid treating system, it is simple in structure, has realized the qualified discharge of the percolate of changing food waste, reduce costs,Energy-conservation environmental protection again.
The technical solution of the utility model is as follows:
A percolation liquid treating system for changing food waste, comprises collecting-tank, oil removal regulating reservoir, hydrolysis acidificationPond, biochemical treatment unit, membrane bioreactor (MBR), nanofiltration equipment (NF equipment), counter-infiltrationEquipment (RO equipment) and clear water reserviors; The delivery port of collecting-tank is connected to oil removal by water pump and pipeline and adjustsThe water inlet in joint pond, the delivery port of oil removal regulating reservoir is connected to entering of hydrolysis acidification pool by water pump and pipelineThe mouth of a river, the delivery port of hydrolysis acidification pool is connected to the water inlet of biochemical treatment unit by water pump and pipeline,The delivery port of biochemical treatment unit is connected to the water inlet of membrane bioreactor, membrane biological reaction by pipelineThe delivery port of device is connected to the water inlet of nanofiltration equipment by pipeline, the delivery port of nanofiltration equipment passes through pipelineBe connected to the water inlet of reverse osmosis equipment, the delivery port of reverse osmosis equipment is connected to clear water reserviors by pipeline.
Preferably, before the water inlet of collecting-tank, be provided with grid.
Preferably, biochemical treatment unit comprises anaerobic biological processing unit and aerobic treatment unit, itsThe delivery port of middle hydrolysis acidification pool is connected to anaerobic biological processing unit, anaerobic biological by water pump and pipelineThe delivery port of processing unit is connected to the water inlet of aerobic treatment unit, aerobic biochemical place by pipelineThe delivery port of reason unit is connected to the water inlet of membrane bioreactor by pipeline.
Preferably, the delivery port of aerobic treatment unit is also connected to anaerobic biological by pipeline and processes listThe water inlet of unit, makes the sewage of part after aerobic treatment return to anaerobic biological processing unit and entersRow circulation biochemical treatment.
Preferably, described reverse osmosis equipment is disc tube reverse osmosis (dt-ro) treatment facility.
Preferably, also comprise dope storage pond, row's dope mouth of nanofiltration equipment and reverse osmosis equipment passes through respectivelyPipeline is connected to the water inlet in dope storage pond.
Preferably, on the pool wall in described dope storage pond, be provided with the first delivery port and the second delivery port from top to bottom,On the first delivery port and the second delivery port, valve is all installed.
Preferably, the pool wall of the second delivery port below is provided with the 3rd delivery port, on the 3rd delivery port, installsThere is valve.
Preferably, described water pump is variable frequency pump.
The percolation liquid treating system of a kind of changing food waste that the utility model provides, has following beneficial effect:
1, oil removal regulating reservoir of the present utility model carries out breaking milk and removing oil to percolate, has reduced grease to subsequent techniqueImpact.
2, the hydrolysis acidification technique of employing of the present utility model, belongs to a kind of anaerobic technique. Effectively reduce and beThe energy consumption of system.
3, through reality test, the stable effluent quality of native system, various indexs all reach that " house refuse is filled outBury a pollution control criterion " GB16889-2008 Sewage Water Emissions concentration limit.
4, the sewage disposal flow process of native system is simple, easy to operate, has greatly subdued sludge quantity, and reducesThe operation cost of sewage disposal.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of dung yard percolation liquid treating system provided by the utility model;
Fig. 2 is dope storage pond upper water-out mouth distributed architecture schematic diagram.
In figure:
1. the first delivery port 2. second delivery port 3. the 3rd delivery ports
Detailed description of the invention
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with accompanying drawing andThe utility model is described in further detail for detailed description of the invention.
Although should be understood that the utility model uses term " first ", " second ", " the 3rd " etc. to describeVarious Components, assembly, region, layer and/or part, however these elements, assembly, region, layer and/Or part should not be limited to these terms. These terms only for distinguish an element, assembly, region,Layer or part and another element, assembly, region, layer or part. Therefore, departing from the utility model structureUnder the prerequisite of religious doctrine of thinking, the first element discussed below, assembly, region, layer or can be partly theTwo element, assembly, region, layer or part. Similarly, in a claim, be labeled as " first "Project can in different claims, be labeled as " second ".
Please refer to Fig. 1, the percolation liquid treating system of a kind of changing food waste that the utility model provides, comprisesComprise collecting-tank, oil removal regulating reservoir, hydrolysis acidification pool, biochemical treatment unit, membrane bioreactor (MBR),Nanofiltration equipment (NF equipment), reverse osmosis equipment (RO equipment) and clear water reserviors. Wherein collecting-tank is used forCollect the percolate of changing food waste. Before the water inlet of collecting-tank, be provided with grid, can stop percolateIn bulky refuse refuse, reduced the pressure of follow-up sewage disposal. Grid can be removablyBe arranged on the water channel that flows to collecting-tank, facilitate staff to clear up. The delivery port of collecting-tank passes through water pumpBe connected to the water inlet of oil removal regulating reservoir with pipeline, the percolate of changing food waste is from collecting-tank promotes, firstIt is added to demulsifier and then enter oil removal regulating reservoir, remove the edible oil and fat in water. Remove the oil in waterAfter fat, the diafiltration of changing food waste enters hydrolysis acidification pool. Hydrolysis acidification pool adopts up flow type hydrolysis acidification pool.Hydrolysis acidification pool can be removed 30% COD. Hydrolysis acidification pool water outlet enters biochemical treatment unit, removesMost of organic matter and ammonia nitrogen. The water outlet of biochemical treatment unit is successively by MBR, NF, the complete place of ROReason equipment is processed, and the dope that NF, the processing of RO complete set of equipments obtain enters dope storage pond, and by denseThe landfill yard processing that changing food waste is recharged in liquid storage pond. By MBR, NF, the complete treatment facility of ROProcess the clear water obtaining and enter clear water reserviors disinfection, disinfect rear discharge.
It should be noted that, the delivery port of hydrolysis acidification pool can also be by intermediate pool (in figure notMark) be indirectly connected with the water inlet of biochemical treatment unit, the benefit that intermediate pool is set is, canAfter hydrolysis acidification has reacted, send into intermediate pool and cushion, and making to react refuse, to carry out secondary heavyForm sediment, alleviated the operating pressure of reverse osmosis treatment equipment, staff also can be according to real reaction situationIn intermediate pool, carry out secondary and regulate processing.
As further improvement, it is raw that the delivery port of aerobic treatment unit is also connected to anaerobism by pipelineChange the water inlet of processing unit. It is anti-that pending percolate enters the interior generation of anaerobic biological processing unit anaerobismShould, the organic substance in sewage obtains certain purified treatment, and percolate is delivered to aerobic biochemical place subsequentlyReason unit carries out aerobic biochemical reaction, the polluter part in sewage in aerobic treatment unitBe broken down into carbon dioxide and water, part forms new microorganism individuality. Subsequently, part is through aerobic lifeChange sewage after treatment and be sent back to again anaerobic biological processing unit through reflux line and carry out circular treatment,By circular treatment like this, the purification of Organic Pollutants of Landfill Leachate is more thorough. And reverse osmosis equipment is preferably adoptedUse disc tube reverse osmosis (dt-ro) treatment facility, adopt the treatment facility of DTRO film, it is applicable to processing high moreThe penetrating fluid of concentration, has further improved counter-infiltration effect.
As further improvement, please also refer to Fig. 2, on the pool wall in dope storage pond, be provided with the from top to bottomOne delivery port 1, the second delivery port 2 and the 3rd delivery port 3, the first delivery ports 1, the second delivery port 2 andOn the 3rd delivery port 3, valve is all installed. Like this, staff can be according to the real-time processing of percolateAbility selects to open different valves. As larger in sewage disposal live load, now receive and recharge dopeAbility is poor. The valve that can only open the first delivery port 1, now liquid level can maintain the first delivery port1 place, the dope of its below can not be got rid of. If live load is less, can open the second delivery port 2Or the valve of the 3rd delivery port 3.
In this specific embodiment, water pump all can adopt variable frequency pump, like this can be according to the water storage in each pondSituation regulates in real time, and balanced flow and pipeline pressure reach higher percolate treatment effeciency.
Through reality test, the stable effluent quality of native system, various indexs all reach " consumer waste filling and embeddingControl criterion is polluted in field " GB16889-2008 Sewage Water Emissions concentration limit.
Above the percolation liquid treating system of a kind of changing food waste provided by the utility model is carried out in detailThin introduction. Apply specific case herein principle of the present utility model and embodiment set forth,The explanation of above embodiment is just for helping to understand core concept of the present utility model. It is right to it should be pointed out thatIn those skilled in the art, do not departing under the prerequisite of the utility model principle, alsoCan carry out some improvement and modification to the utility model, these improvement and modification also fall into the utility modelIn the protection domain of claim.
Claims (9)
1. a percolation liquid treating system for changing food waste, is characterized in that, comprises collecting-tank, oil removal tuneJoint pond, hydrolysis acidification pool, biochemical treatment unit, membrane bioreactor, nanofiltration equipment, reverse osmosis equipment andClear water reserviors; The delivery port of collecting-tank is connected to the water inlet of oil removal regulating reservoir by water pump and pipeline, oil removal is adjustedThe delivery port in joint pond is connected to the water inlet of hydrolysis acidification pool, the water outlet of hydrolysis acidification pool by water pump and pipelineMouth is connected to the water inlet of biochemical treatment unit by water pump and pipeline, the delivery port of biochemical treatment unit passes throughPipeline is connected to the water inlet of membrane bioreactor, and the delivery port of membrane bioreactor is connected to and is received by pipelineThe water inlet of filter equipment, the delivery port of nanofiltration equipment is connected to the water inlet of reverse osmosis equipment by pipeline, anti-The delivery port of penetration equipment is connected to clear water reserviors by pipeline.
2. the percolation liquid treating system of changing food waste according to claim 1, is characterized in that, instituteBefore stating the water inlet of collecting-tank, be provided with grid.
3. the percolation liquid treating system of changing food waste according to claim 1, is characterized in that, instituteState biochemical treatment unit and comprise anaerobic biological processing unit and aerobic treatment unit, wherein hydrolysis acidification poolDelivery port be connected to anaerobic biological processing unit by water pump and pipeline, the water outlet of anaerobic biological processing unitMouth is connected to the water inlet of aerobic treatment unit by pipeline, the delivery port of aerobic treatment unit is logicalPiping is connected to the water inlet of membrane bioreactor.
4. the percolation liquid treating system of changing food waste according to claim 3, is characterized in that, instituteThe delivery port of stating aerobic treatment unit is also connected to the water inlet of anaerobic biological processing unit by pipeline,Make the sewage of part after aerobic treatment return to the anaerobic biological processing unit biochemical place of circulatingReason.
5. the percolation liquid treating system of changing food waste according to claim 1, is characterized in that, instituteStating reverse osmosis equipment is disc tube reverse osmosis (dt-ro) treatment facility.
6. the percolation liquid treating system of changing food waste according to claim 1, is characterized in that, alsoComprise dope storage pond, row's dope mouth of nanofiltration equipment and reverse osmosis equipment is connected to dope storage by pipeline respectivelyThe water inlet in pond.
7. the percolation liquid treating system of changing food waste according to claim 6, is characterized in that, instituteState on the pool wall in dope storage pond and be provided with the first delivery port (1) and the second delivery port (2) from top to bottom, firstOn delivery port (1) and the second delivery port (2), valve is all installed.
8. the percolation liquid treating system of changing food waste according to claim 7, is characterized in that, instituteThe pool wall of stating the second delivery port (2) below is provided with the 3rd delivery port (3), the upper peace of the 3rd delivery port (3)Valve is housed.
9. the percolation liquid treating system of changing food waste according to claim 1, is characterized in that, instituteState water pump and be variable frequency pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130853.3U CN205295088U (en) | 2015-12-30 | 2015-12-30 | Kitchen garbage's leachate treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521130853.3U CN205295088U (en) | 2015-12-30 | 2015-12-30 | Kitchen garbage's leachate treatment system |
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| CN205295088U true CN205295088U (en) | 2016-06-08 |
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| CN201521130853.3U Active CN205295088U (en) | 2015-12-30 | 2015-12-30 | Kitchen garbage's leachate treatment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840534A (en) * | 2017-10-31 | 2018-03-27 | 武汉新禹智水环保科技有限公司 | A kind of refuse transfer station is odorless, extruding liquor treating process without solid waste discharge |
| CN110330169A (en) * | 2019-05-24 | 2019-10-15 | 光大环保技术研究院（南京）有限公司 | A method of collaboration processing sewage |
| CN111003887A (en) * | 2019-12-11 | 2020-04-14 | 广东迈洁尔生物环保科技有限公司 | Kitchen waste wastewater treatment process |
| CN111470702A (en) * | 2020-03-11 | 2020-07-31 | 中福世唯(福建)环境科技有限公司 | Membrane separation and biochemical process and device for treating mixed filtrate of kitchen waste |
| CN114178294A (en) * | 2021-12-06 | 2022-03-15 | 南开大学 | Full-resource utilization method of kitchen garbage |
-
2015
- 2015-12-30 CN CN201521130853.3U patent/CN205295088U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840534A (en) * | 2017-10-31 | 2018-03-27 | 武汉新禹智水环保科技有限公司 | A kind of refuse transfer station is odorless, extruding liquor treating process without solid waste discharge |
| CN107840534B (en) * | 2017-10-31 | 2018-09-25 | 武汉新禹智水环保科技有限公司 | A kind of odorless extruding liquor treating process without solid waste discharge of refuse transfer station |
| CN110330169A (en) * | 2019-05-24 | 2019-10-15 | 光大环保技术研究院（南京）有限公司 | A method of collaboration processing sewage |
| CN111003887A (en) * | 2019-12-11 | 2020-04-14 | 广东迈洁尔生物环保科技有限公司 | Kitchen waste wastewater treatment process |
| CN111470702A (en) * | 2020-03-11 | 2020-07-31 | 中福世唯(福建)环境科技有限公司 | Membrane separation and biochemical process and device for treating mixed filtrate of kitchen waste |
| CN111470702B (en) * | 2020-03-11 | 2022-05-31 | 中福世唯(福建)环境科技有限公司 | Membrane separation and biochemical process and device for treating mixed filtrate of kitchen waste |
| CN114178294A (en) * | 2021-12-06 | 2022-03-15 | 南开大学 | Full-resource utilization method of kitchen garbage |
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