CN103357653A - Household refuse and domestic sewage synchronous processing method - Google Patents
Household refuse and domestic sewage synchronous processing method Download PDFInfo
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- CN103357653A CN103357653A CN2013103104243A CN201310310424A CN103357653A CN 103357653 A CN103357653 A CN 103357653A CN 2013103104243 A CN2013103104243 A CN 2013103104243A CN 201310310424 A CN201310310424 A CN 201310310424A CN 103357653 A CN103357653 A CN 103357653A
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Abstract
The invention provides a household refuse and domestic sewage synchronous processing method, which comprises the following steps: sorting household refuse, separating inorganic substances which cannot be fermented and recycling for reutilization; crushing fermentable raw materials after sorting, and mixing the crushed fermentable raw materials with sewage, pretreating, and carrying out anaerobic decomposition and aerobic decomposition so as to effectively decompose various organic matters in the sewage. The quality of the processed water accords with related national emission standard. According to the method, household refuse and domestic sewage are processed on the spot. Thus, land occupation of refuse landfills is greatly saved, garbage transportation cost, oil cost, labor cost, field construction cost and sewage collection pipe network construction cost are saved, lands for building large-scale sewage treatment plants are saved, huge operating cost of a sewage treatment plant can be saved, and the pollution of toxic sewage and toxic gases generated from sewers and refuse landfills to surface water, underground water and the atmosphere can be effectively minimized or eliminated. In addition, the method provided by the invention is simple and easy to operate and has good social effects and environmental protection effects.
Description
Technical field
The present invention relates to refuse and process, especially relate to the method that a kind of living standard of urban and rural population rubbish and sanitary sewage are processed synchronously.
Background technology
Along with China's Urbanization Construction paces are accelerated, along with the national economy development, living standards of the people improve constantly and the change of consumption habit, living standard of urban and rural population sewage and house refuse quantity constantly increase, the sanitary sewage that these increase day by day and house refuse have seriously perplexed living standard of urban and rural population, and environment has been caused serious pollution.
But the present whole garbage disposal ability of China also is nowhere near, and solves the town and country refuse pollution, and regenerated resources are recycling, are the lifelines of human kind sustainable development.Process at present the method for living standard of urban and rural population sewage and house refuse, mostly separately process, that is: solid life refuse is through collecting, and transportation focuses on the refuse landfill landfill, or burns, or takes other modes to process; For sewage, then need by building huge sewage collecting pipe network system sewage to be caused sewage treatment plant, and building of sewage treatment plant needs to consume a large amount of valuable land resources.Poison sewage meeting polluted surface water and groundwater resources that the poison sewage of sanitary sewage pipe network seepage and refuse landfill produce, the poison gas meeting pollutant atmosphere that municipal sewage system and refuse landfill are overflowed, simultaneously, clearing of rubbish, the operation of sewage network and sewage treatment plant also needs to spend a huge sum of money.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of simple, high-efficiency environment friendly makes waste material fully house refuse and the sanitary sewage synchronization processing method of recycling.
The present invention is achieved by the following technical solutions:
One way of life rubbish and sanitary sewage synchronization processing method is characterized in that may further comprise the steps: refuse classification reclaims, and fragmentation mixes with sewage, preliminary treatment, anaerobic digestion, aerobic decomposition, discharging.
Described refuse classification refers to ferment organic refuse classification and the inanimate matter that can not ferment; The inanimate matter that can not ferment comprises dust rubbish, old metal, refuse battery, cullet, waste plastics, useless fiber, waste paper is opened and shoes; The organic matter that can ferment comprises: changing food waste, sanitary sewage, rotten vegetable leaf, resident's leftovers, withered grass fallen leaves, pericarp, bone slag, agricultural crop straw.
Described recovery is the inanimate matter reclaiming utilization of can not fermenting.
Described fragmentation refers to that the fermented organic matter that sorting is obtained delivers to disintegrating machine and carry out fragmentation, and the control granularity is the 100-300 order.
Described mixing, preliminary treatment refers to that the rubbish after the fragmentation mixes with sanitary sewage, enters the pretreatment pool resolution process, precipitate and separate.
Described anaerobic digestion refers to enter the anaerobic digestion pond through pretreated sewage, and the organic matter in the sewage is decomposed by anaerobic bacteria.
Described aerobic decomposition refers to be divided the sewage of taking off most of organic matter by anaerobic bacteria, enters aerobic decomposing pool, and aerobic bacteria further decomposes organic matter remaining in the sewage, guarantees that treated water quality meets national relevant emission standards.
The present invention has the following advantages and good effect:
1, the present invention adopts artificial separation with house refuse, can be effectively with old metal, and refuse battery, cullet, waste plastics, useless fiber, waste paper are opened with shoes etc. and are separated, and this part article after the sorting are reclaimed and in addition regeneration.
2, fermentable raw material and agricultural crop straw after the present invention adopts disintegrating machine to sorting carry out fragmentation, so that the fermentation raw material uniform granularity has guaranteed that fermentation raw material is controlled within the scope of technological parameter.
3, the present invention adopts preprocess method, has effectively solved the obstruction of the interior floating thing of decomposing pool to overflow ducts, guarantees that sewage can enter next pond smoothly.
4, anaerobic digestion of the present invention, aerobic decomposition step have all adopted the modification biological floating stuffing as biomembranous skeleton, be conducive to the enrichment of microorganism, this filler can form biomembrane after system puts into operation, a large amount of microorganisms of enrichment on the biomembrane can be decomposed various organic matters contained in the sewage effectively.
5, treatment tank used in the present invention adopts fiberglass for making raw material, can be effectively anticorrosion, and batch production production pond body, the engineering time is short, has then greatly reduced loaded down with trivial details work and the expenses in cast-in-place pond.
6, the present invention processes house refuse and sanitary sewage on the spot, greatly save the landfill yard land occupation, the expense of saved simultaneously garbage transporting expense, oily expense, labour cost, building an expense and build the sewage collecting pipe network, save the soil that is used for building large-scale wastewater treatment plant, simultaneously the huge operating cost of sewage treatment plant can be saved, poison sewage toxic gas that sewer, garbage loading embeading place produce can be effectively reduced or eliminated to surface water, underground water and to the pollution of atmosphere.And simple, have preferably social effect and environment protecting.
Description of drawings
Fig. 1 is process chart of the present invention.
The specific embodiment
Process of the present invention comprises: sorting, to reclaim, and fragmentation mixes preliminary treatment, anaerobic digestion, aerobic decomposition.Its operating procedure is:
(1) sorting: house refuse adopts the artificial separation method, sub-elects can ferment organic and the inanimate matter that can not ferment.
Described refuse classification refers to ferment organic refuse classification and the inanimate matter that can not ferment; The inanimate matter that can not ferment comprises dust rubbish, old metal, refuse battery, cullet, waste plastics, useless fiber, waste paper is opened and shoes; The organic matter that can ferment comprises: rotten vegetable leaf, resident's leftovers, withered grass fallen leaves, pericarp, bone slag; In addition, meal kitchen swill rubbish, the organic matter in the sanitary sewage (night soil) also is the rubbish of being processed by the while among the present invention, is the organic matter in the sweat of the present invention; Consider that the rural area has abundant agricultural straw resource, can also artificial interpolation agricultural crop straw and solid life refuse pulverize synchronously at broken process, to strengthen inventory; So the rural area agricultural crop straw also is regarded as the organic matter that can ferment; Town dweller's house refuse, meal kitchen slightly rubbish with and sanitary sewage in the residential quarter, reach on the spot and to process, on the spot pollution abatement has preferably social effect and environment protecting.
(2) reclaim: with the sorting inanimate matter regeneration of can not fermenting.
(3) fragmentation: the fermented organic matter that sorting is obtained is delivered to disintegrating machine and is carried out fragmentation, and the control granularity is the 100-300 order.
(4) mixing, preliminary treatment: the organic matter after the fragmentation, with collect the sewage obtain and the impulsive force of utilizing sewage by the sewage collecting pipe network and reach the purpose that mixes and realize that material mixes mutually, enter pretreatment pool, organic matter in sewage and the house refuse is 10-12 hours time of staying in the pond, the pond temperature control is 20---between 30 degree, in pretreatment pool, the organic matter particle material is decomposed into larger molecular organics, proportion swims in top, pond less than organic matter water and that be not decomposed temporarily; And follow the dust sand grains that organic and sewage is entrained into the pond, in this precipitated separation.Pretreatment pool can be established multistage (individual).
(5) anaerobic digestion: enter the anaerobic digestion pond through pretreated sewage, sewage stopped in the pond 6-8 hours, and the organic matter in the sewage is decomposed by anaerobic bacteria.Methane backeria is decomposed into methane to the many carbonizable substances in the organic matter, therefore, and in preliminary treatment and anaerobic digestion stage, produce biogas, this a part of biogas can become the resident living fuel of environmental protection by collecting after the refining processing, also can further process and be treated as vehicle fuel; By taking to be added into the way of agricultural crop straw, can improve greatly the output of biogas.
(6) aerobic decomposition: divided the sewage of taking off most of organic matter by anaerobic bacteria, enter aerobic decomposing pool, dwell time of sewage 6-8 hours, aerobic bacteria further decompose organic matter remaining in the sewage, guarantee that treated water quality meets national relevant emission standards.
(7) natural pond slag precipitation is arranged in above-mentioned pretreatment pool, anaerobic digestion pond, the quantity of precipitation does not wait (because the resident living area number is a lot of in above-mentioned each pond, the quantity of sanitary sewage and the synchronous treating stations of house refuse is also a lot), so the total quantity of natural pond slag is a lot, these biogas residue liquid solids, extract out by the Special seal vehicle collection with taking out pulp pump, can be used for again producing biogas, be processed into fuel.Natural pond slag solids is sent into fertilizer processing factory, can make senior fertilizer, is rare environmental friend fertilizer.
(8) the above-described inanimate matter that can not ferment comprises dust rubbish, and old metal, refuse battery, cullet, waste plastics, useless fiber, waste paper are opened with shoes etc., this part article after the sorting is reclaimed and in addition regeneration.
(9) above-described disintegrating machine is two roller wet type blade type disintegrating machines.
(10) above-described sanitary sewage and domestic rubbish disposal pond all use fiberglass to make raw material, by different specifications, and the method production of adopting batch production to produce; For day processing sanitary sewage and the residential block of house refuse below 20 tons, pond body type adopts integrated pond, for processing sanitary sewage and the residential block of house refuse above 20 tons day, pond body type adopts the split pond, that is: whole pond body is by pretreatment pool, anaerobic pond, aerobic decomposing pool three parts form.
(11) top of above-described pretreatment pool is provided with pump and extracts the mouth of pipe of desilting, mud, be used for extracting too much desilting and mud in the pond, the pond inner-use clapboard is divided into two parts, and 3-6 spout holes are offered in the dividing plate middle and lower part, also is provided with in addition manhole and breather pipe.
(12) above-described anaerobic digestion Chi Chi top storing has modification biological floating stuffing (Dalian space all environment project Co., Ltd is produced), but the top in pond is provided with the square hole of effective sealing, be convenient to change the modification biological floating stuffing, also be provided with in addition breather pipe.
(13) the built-in modification biological floating stuffing that is placed with in above-described aerobic decomposing pool pond, the top in pond are provided with for the square hole of changing the modification biological floating stuffing, also are provided with in addition breather pipe.
(14) above-described sanitary sewage and domestic rubbish disposal pond, at pretreatment pool, the anaerobic digestion pond between three ponds of aerobic decomposing pool, connects with pipe; The pretreatment pool side is provided with sewage inlet and takes over, water purification floss hole after aerobic decomposing pool side is provided with and processes.
Embodiment
Domestic garbage is through collecting, the method that adopts artificial separation sorts out the large part in the rubbish and the inanimate matter material that can not ferment, such as old metal, refuse battery, cullet, waste plastics, useless fiber, waste paper is opened and shoes etc., remaining fermented organic matter is sent into two roller wet crushers with meal kitchen swill rubbish and is carried out fragmentation, Domestic garbage crushing can be become the uniform particle of fineness, and disintegrating machine is placed in the common sewer next door, resident living sewage is not subjected to time restriction, in the flowing pipe, the organic material that can ferment directly drops after fragmentation and enters in the sewage pipe, by the impulsive force of water at any time, can play simultaneously mixing through broken solid refuse and sewage, then together enter the A pond of pretreatment pool; Organic matter in sewage and the house refuse is 5-6 hours time of staying in the pond, the pond temperature control is 20---between 30 degree, at this, proportion is less than water and temporarily fail the organic matter that is broken off immediately, float on the top in pond, be mingled with the silt that enters in company with material separated, be deposited in the bottom, pond, remove 3-5 spout holes that the sewage of silt and floating thing arranges and flow into pretreatment pool B ponds on the pretreatment pool central dividing plate, organic matter in sewage and the house refuse is 5-6 hours time of staying in the pond, the sewage of removing floating thing and silt causes the bottom of anaerobic pond with pipe through the delivery port in B pond, sewage stopped in the pond 6-8 hours, sewage is from the anaerobic pond bottom to top, pond rising, put on top, pond the modification biological floating stuffing (Dalian space all environment project Co., Ltd is produced), in the water level uphill process, the microorganism that the organic matter in the sewage is attached on the modification biological floating stuffing is decomposed; Sewage after anaerobic digestion, cause the bottom of aerobic decomposing pool with pipe through the anaerobic pond delivery port, dwell time of sewage 6-8 hours, the microorganism that the built-in modification biological floating stuffing that is placed with in this pond, the organic matter in the water level uphill process in the sewage are attached on the modification biological floating stuffing is decomposed; Water purification after aerobic decomposition outwards discharges through the Aerobic Pond delivery port.
Three. technical indicator
3.1 Inlet and outlet water index:
(1) water inlet index:
Water inlet is mainly sanitary sewage, and main influent quality index is:
The COD that CODCr(measures with potassium bichromate, i.e. chemical oxygen consumption (COC)) :≤450mg/L
BOD5 (BOD on the 5th) :≤300mg/L
The SS(solid suspension) :≤100mg/L
(2) effluent index:
The GB 18918-2002 one-level that can be up to state standards B standard limit.
Its main water quality index is as follows:
The COD that CODCr:(measures with potassium bichromate)≤50mg/L
BOD5:(5 day BOD)≤15mg/L
The SS:(solid suspension)≤20mg/L
3.2 equipment material:
Equipment body adopts glass steel material, and this material has very high mechanical strength and resistance to corrosion; Subsidiary pipeline, screw and nut adopt stainless steel material.
3.3 contour structures, size and weight according to sewage quantity, can select the integral pool of sufficient amount or split pond parallel combination to use.
Claims (7)
1. one way of life rubbish and sanitary sewage synchronization processing method is characterized in that may further comprise the steps: refuse classification reclaims, and fragmentation mixes with sewage, preliminary treatment, and anaerobic digestion, aerobic decomposition is discharged.
2. house refuse according to claim 1 and sanitary sewage synchronization processing method is characterized in that: described refuse classification refers to ferment organic refuse classification and the inanimate matter that can not ferment; The inanimate matter that can not ferment comprises dust rubbish, old metal, refuse battery, cullet, waste plastics, useless fiber, waste paper is opened and shoes; The organic matter that can ferment comprises: changing food waste, sanitary sewage, rotten vegetable leaf, resident's leftovers, withered grass fallen leaves, pericarp, bone slag, agricultural crop straw.
3. sanitary sewage according to claim 1 and house refuse synchronization processing method, it is characterized in that: described recovery is the inanimate matter reclaiming utilization of can not fermenting.
4. sanitary sewage according to claim 1 and house refuse synchronization processing method is characterized in that: described fragmentation, refer to that the fermented organic matter that sorting is obtained delivers to disintegrating machine and carry out fragmentation, and the control granularity is the 100-300 order.
5. sanitary sewage according to claim 1 and house refuse synchronization processing method, it is characterized in that: described mixing, preliminary treatment refers to that the rubbish after the fragmentation mixes with sanitary sewage, enters the pretreatment pool resolution process, precipitate and separate.
6. sanitary sewage according to claim 1 and house refuse synchronization processing method is characterized in that: described anaerobic digestion, refer to enter the anaerobic digestion pond through pretreated sewage, and the organic matter in the sewage is decomposed by anaerobic bacteria.
7. sanitary sewage according to claim 1 and house refuse synchronization processing method, it is characterized in that: described aerobic decomposition, refer to be divided the sewage of taking off most of organic matter by anaerobic bacteria, enter aerobic decomposing pool, aerobic bacteria further decomposes organic matter remaining in the sewage, guarantees that treated water quality meets national relevant emission standards.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649513A (en) * | 2015-01-07 | 2015-05-27 | 中国电器科学研究院有限公司 | Resourceful treatment system for municipal domestic wastewater and organic waste |
| CN104907309A (en) * | 2014-12-29 | 2015-09-16 | 广西盛捷新业环保科技有限公司 | Urban and rural resident domestic waste and wastewater reclamation ecological comprehensive treatment method and equipment |
| CN105983566A (en) * | 2015-03-03 | 2016-10-05 | 四川未来城镇建设管理股份有限公司 | Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process |
| CN106882902A (en) * | 2017-03-10 | 2017-06-23 | 桂林理工大学 | A kind of method for processing sanitary sewage |
| CN106890838A (en) * | 2015-12-19 | 2017-06-27 | 广州伟烨船舶设备有限公司 | Warship marine domestic sewage and comprehensive food waste treatment system and method |
| CN109748463A (en) * | 2019-03-06 | 2019-05-14 | 国合海伦环境技术(宜兴)有限公司 | A kind of drawing and pulling type cover board purification tank having both lavatory and sanitary sewage disposal function |
| CN110015750A (en) * | 2018-01-10 | 2019-07-16 | 西安宁远清洁技术有限公司 | A kind of novel domestic sewage and the box processing unit of house refuse |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104907309A (en) * | 2014-12-29 | 2015-09-16 | 广西盛捷新业环保科技有限公司 | Urban and rural resident domestic waste and wastewater reclamation ecological comprehensive treatment method and equipment |
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| CN105983566A (en) * | 2015-03-03 | 2016-10-05 | 四川未来城镇建设管理股份有限公司 | Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process |
| CN106890838A (en) * | 2015-12-19 | 2017-06-27 | 广州伟烨船舶设备有限公司 | Warship marine domestic sewage and comprehensive food waste treatment system and method |
| CN106882902A (en) * | 2017-03-10 | 2017-06-23 | 桂林理工大学 | A kind of method for processing sanitary sewage |
| CN110015750A (en) * | 2018-01-10 | 2019-07-16 | 西安宁远清洁技术有限公司 | A kind of novel domestic sewage and the box processing unit of house refuse |
| CN109748463A (en) * | 2019-03-06 | 2019-05-14 | 国合海伦环境技术(宜兴)有限公司 | A kind of drawing and pulling type cover board purification tank having both lavatory and sanitary sewage disposal function |
| CN109748463B (en) * | 2019-03-06 | 2023-10-17 | 国合海伦环境技术(宜兴)有限公司 | Drawing type cover plate purifying tank with functions of toilet and domestic sewage treatment |
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Application publication date: 20131023 |