CN104649513A - Resourceful treatment system for municipal domestic wastewater and organic waste - Google Patents

Resourceful treatment system for municipal domestic wastewater and organic waste Download PDF

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Publication number
CN104649513A
CN104649513A CN201510009554.2A CN201510009554A CN104649513A CN 104649513 A CN104649513 A CN 104649513A CN 201510009554 A CN201510009554 A CN 201510009554A CN 104649513 A CN104649513 A CN 104649513A
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CN
China
Prior art keywords
solid
outlet
reactor
recycling treatment
pond
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Pending
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CN201510009554.2A
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Chinese (zh)
Inventor
孔伟
周艳伟
易莹
谢乔光
张堃
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China National Electric Apparatus Research Institute Co Ltd
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China National Electric Apparatus Research Institute Co Ltd
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Priority to CN201510009554.2A priority Critical patent/CN104649513A/en
Publication of CN104649513A publication Critical patent/CN104649513A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • C02F11/04Anaerobic treatment; Production of methane by such processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention discloses a resourceful treatment system for municipal domestic wastewater and organic waste. The resourceful treatment system is characterized by comprising a kitchen waste vacuum collecting system, a sold-liquid separating device, a wastewater homogenizing tank, an organic solid waste homogenizing tank, a wastewater anaerobic reactor and a solid anaerobic reactor, wherein a first inlet of the solid-liquid separating device is communicated with an outlet of the kitchen waste vacuum collecting system, and a second inlet of the solid-liquid separating device is communicated with an outlet of a livestock and poultry breeding wastewater conveying pipeline; a first inlet of the wastewater homogenizing tank is communicated with a domestic wastewater conveying pipeline, and a second inlet of the wastewater homogenizing tank is communicated with a liquid separating outlet of the solid-liquid separating device; a solid separating outlet of the solid-liquid separating device is communicated with an inlet of the organic solid waste homogenizing tank; an outlet of the organic solid waste homogenizing tank is communicated with an inlet of the solid anaerobic rector; an outlet of the wastewater homogenizing tank is communicated with an inlet of the wastewater anaerobic reactor. The resourceful treatment system has the advantages of being low in construction and investment cost.

Description

The recycling treatment system of a kind of town domestic sewage and organic waste
Technical field
The present invention relates to the recycling treatment system of a kind of town domestic sewage and organic waste.
Background technology
Along with the fast development of China's economy, China's people's living standard and living environment quality are greatly improved, but the Economic development in China major part cities and towns and rural area all lags behind city, public infrastructure development is weak, single with service, and production, the living environment in many cities and towns and rural area are poor.In order to accelerate to advance Chinese society to note modernization, bring about a great rejuvenation of the Chinese nation Chinese dream, country starts to support novel Urbanization Construction energetically, improves cities and towns and rural produces, living environment, improve public infrastructure and service, promote the propelling of rural, cities and towns urbanization.
China Small Urban, rural area, city suburbs are due to the restriction of the factor such as economy, geographical position, there is following problem: 1 urban and rural planning is poor, lack and even lack public infrastructure and service, do not build sanitary sewage, refuse collection and process disposal facility, sanitary sewage, rubbish do not obtain effective collection and treatment, cause local environment pollution problem; 2 concentrate combustion gas, heating, hot water service construction to fall behind, and particularly in Rural areas, the independence heating in units of family, heat supply exist the problems such as efficiency of energy utilization is low, topsoil is serious; The aquaculture in 3 town and country produces a large amount of fowl and animal excrement, because lacking effective management and process disposal, exacerbates rural environmental pollution problem.The imperfection of small towns public infrastructure, the backwardness of Public services level and the deterioration of ecotope, these all seriously hinder the Urbanization Progress in these areas.
Chinese invention patent application CN103466886A discloses a kind of rural urbanization community life sewage and biomass garbage treatment system and method, and this system comprises garbage grinder, solid-liquid separator, aerobic reactor, separator for mud and water, sterilization sterilizer, anaerobic reactor, middle reservoir of water etc.Biomass garbage after crushed and sanitary sewage are after solid-liquid separation, and solid matter is sent into anaerobic reactor reaction and produced biogas and organic sludge.This system does not carry out relevant treatment to the product that anaerobic reactor reaction produces, if natural pond slag, natural pond liquid directly discharge meeting to environment, and biogas is not utilized effectively yet.
Chinese invention patent application CN102205343B new rural village small town living rubbish and integrated waste water treatment system and treatment process, this treatment process is by after domestic refuse press filtration, solid matter enters circulating gasifying and pyrolyzing incinerator system and carries out burning disposal, and sanitary sewage and domestic refuse pressing filtering liquid enter the reaction of anaerobic reaction tower.The investment of waste incineration method is large, and the occupied fund cycle is long, comparatively large to the economic pressures of Small Urban, and if the off gas treatment of waste incineration generation mishandling, easily cause secondary pollution.It only relates to treating processes, does not relate to the collection method of domestic refuse and sewage and the regeneration of water and other resources and utilization.
Further, the process handling problems to the more serious breeding wastewater of rural pollution or fowl and animal excrement is not related in above-mentioned two applications for a patent for invention.
Summary of the invention
Technical problem to be solved by this invention is: the recycling treatment system providing a kind of town domestic sewage and organic waste.
Solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A recycling treatment system for town domestic sewage and organic waste, is characterized in that: described recycling treatment system comprises changing food waste vacuum collection system, equipment for separating liquid from solid, sewage homogeneous pond, organic solid waste homogeneous pond, anerobic sowage reactor and Solid anaerobic reactor; The outlet of changing food waste vacuum collection system described in the first inlet communication of described equipment for separating liquid from solid, the outlet of the second inlet communication livestock culture sewage running piping, the liquid separation outlet of equipment for separating liquid from solid described in the first inlet communication sanitary sewage transport pipe in described sewage homogeneous pond, the second inlet communication, the solid of described equipment for separating liquid from solid is separated the import that outlet is communicated with machine solid waste homogeneous pond, the import of the outlet Solid anaerobic reactor in described organic solid waste homogeneous pond, the import of the outlet anerobic sowage reactor in described sewage homogeneous pond.
As a modification of the present invention, described recycling treatment system also comprises natural pond flow container, biogas gas holder and natural pond slag ladle; The natural pond liquid outlet of anerobic sowage reactor and Solid anaerobic reactor described in the inlet communication of described natural pond flow container, the methane outlet of anerobic sowage reactor and Solid anaerobic reactor described in the inlet communication of described biogas gas holder, the natural pond slag outlet of anerobic sowage reactor and Solid anaerobic reactor described in the inlet communication of described natural pond slag ladle.
As a modification of the present invention, described recycling treatment system also comprises oxidation pond; The outlet oxidation pond of described natural pond flow container.
As the preferred embodiment of the present invention, described oxidation pond is aeration oxidation pond.
As a modification of the present invention, described recycling treatment system also comprises methane purifying device; The import of the outlet methane purifying device of described biogas gas holder.
As a modification of the present invention, described recycling treatment system also comprises dewatering unit; The import of the outlet dewatering unit of described natural pond slag ladle.
As the preferred embodiment of the present invention, described anerobic sowage reactor and Solid anaerobic reactor are by heat pump set heat supply.
As the preferred embodiment of the present invention, described anerobic sowage reactor is UASB anaerobic reactor.
As the preferred embodiment of the present invention, described Solid anaerobic reactor is CSTR anaerobic reactor.
Compared with prior art, the present invention has following beneficial effect:
First, changing food waste vacuum collection system, livestock culture sewage running piping and sanitary sewage transport pipe collection town domestic sewage and organic waste classification are converted into natural pond liquid, biogas and natural pond slag by anerobic sowage reactor and Solid anaerobic reactor by the present invention, achieve the resource utilization of town domestic sewage and organic waste; This recycling treatment system solves Small Urban, Rural areas owing to planning difference, does not have the problem of sewage dirt treatment facility, avoids centralized processing mode pipe network long distance laying problem, can save construction and cost of investment in a large number;
Further, utilize changing food waste vacuum collection system to collect sanitary sewage, changing food waste etc., have that collecting effect is good, the construction period is fast, strong adaptability, not by advantages such as geographic factor restrictions;
Utilize and based on the sewage of high efficiency anaerobic reactor and organic waste integral process, sewage, organic waste are processed, solve the problems such as traditional countryside bionethanation system sanitary condition is poor, treatment effect is not good, product natural pond is unstable, simple extensive production and use of marsh gas system processing horizontal is risen to industrialized level, realizes the efficiency utilization of biomass energy;
Nitrogen phosphoric in resource reclaim sewage and organic waste, can be used as fertilizer and is applied to farmland;
The biogas produced can directly supply Small Urban, Rural areas and uses as domestic gas after purification, and fully utilizes heating, hot water service problem that biogas and heat pump techniques (source, water source, air energy) can solve these areas;
The second, this recycling treatment system is provided with oxidation pond, can solve natural pond liquid pollution problem, and it can be built according to cities and towns topographical condition, and embodiment is flexible;
3rd, this recycling treatment system is provided with methane purifying device, biogas can be converted into combustion gas;
4th, this recycling treatment system is provided with dewatering unit, and the natural pond slag after dehydration can be allocated as fertilizer.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the system chart of recycling treatment system of the present invention.
Embodiment
As shown in Figure 1, the recycling treatment system of town domestic sewage of the present invention and organic waste, comprises changing food waste vacuum collection system 1, equipment for separating liquid from solid 2, sewage homogeneous pond 3, organic solid waste homogeneous pond 4, anerobic sowage reactor 5 and Solid anaerobic reactor 6; The outlet of the first inlet communication changing food waste vacuum collection system 1 of equipment for separating liquid from solid 2, the outlet of the second inlet communication livestock culture sewage running piping, the first inlet communication sanitary sewage transport pipe in sewage homogeneous pond 3, the liquid separation outlet of the second inlet communication equipment for separating liquid from solid 2, the solid of equipment for separating liquid from solid 2 is separated the import that outlet is communicated with machine solid waste homogeneous pond 4, the import of the outlet Solid anaerobic reactor 6 in organic solid waste homogeneous pond 4, the import of the outlet anerobic sowage reactor 5 in sewage homogeneous pond 3.
Resident produces changing food waste pre-treatment and pulverizes, this process pulverize after changing food waste utilize changing food waste vacuum collection system 1 to carry out collecting rear input equipment for separating liquid from solid 2 to carry out solid-liquid separation process, breeding wastewater then enters equipment for separating liquid from solid 2 by livestock culture sewage running piping and carries out solid-liquid separation process, and the solid after solid-liquid separation enters organic solid waste homogeneous pond 4, liquid enters sewage homogeneous pond 3.Organic solid waste, after organic solid waste homogeneous pond 4 mixes, enters Solid anaerobic reactor 6 and reacts, and produces natural pond liquid, biogas and natural pond slag.Sanitary sewage enters sewage homogeneous pond 3 through sanitary sewage transport pipe, and sanitary sewage and the isolated liquid of equipment for separating liquid from solid 2, after sewage homogeneous pond 3 mixes, enter anerobic sowage reactor 5 and react, and produces natural pond liquid, biogas and natural pond slag.
Recycling treatment system of the present invention also comprises natural pond flow container 8, biogas gas holder 10 and natural pond slag ladle 12; The inlet communication anerobic sowage reactor 5 of natural pond flow container 8 and the natural pond liquid outlet of Solid anaerobic reactor 6, the inlet communication anerobic sowage reactor 5 of biogas gas holder 10 and the methane outlet of Solid anaerobic reactor 6, the inlet communication anerobic sowage reactor 5 of natural pond slag ladle 12 and the natural pond slag outlet of Solid anaerobic reactor 6.
Recycling treatment system of the present invention also comprises oxidation pond 9, methane purifying device 11 and dewatering unit 13; The outlet oxidation pond 9 of natural pond flow container 8, the import of the outlet methane purifying device 11 of biogas gas holder 10, the import of the outlet dewatering unit 13 of natural pond slag ladle 12.
The natural pond liquid that above-mentioned anerobic sowage reactor 5 and Solid anaerobic reactor 6 produce is stored in flow container 8, enter the efficient oxidation pool 9 to process, the denitrogenation dephosphorizing of natural pond liquid can be realized, qualified discharge, nitrogen phosphorus inside the liquid of effective removal natural pond, water outlet can meet " sewage discharge comprehensive standard ".The biogas storage that above-mentioned anerobic sowage reactor 5 and Solid anaerobic reactor 6 produce is at biogas gas holder 10, enter methane purifying device 11 and carry out dehydration desulfurization process, can be used as urban residents' domestic gas to use, or cogeneration provides daily electricity consumption and heat supply for resident; Or, purification processes can be carried out to biogas, obtain vehicle fuel, realize the high-value-use of biogas.The natural pond slag that above-mentioned anerobic sowage reactor 5 and Solid anaerobic reactor 6 produce is stored in natural pond slag ladle 12, carries out processing and is deployed into fertilizer, can use and farmland after entering dewatering unit 13.
Above-mentioned anerobic sowage reactor 5 is UASB anaerobic reactor, Solid anaerobic reactor 6 is CSTR anaerobic reactor, they are by heat pump set 7 heat supply, in anaerobic reaction process, reactor produces heat by heat pump set 7 and carries out heating and thermal insulation, further, heat pump set 7 can produce cold air simultaneously, can in summer for local resident.
Above-mentioned oxidation pond 9 can according to topographical condition, utilize original irrigation canals and ditches pond or carry out suitable manual amendment, build up pond, and embankment and impervious barrier are set, rely on the microorganism of growth in the pool, adopt efficient microporous alumina pool aerating system to carry out second-stage treatment to natural pond liquid, water outlet can qualified discharge, solves natural pond liquid pollution problem.Oxidation pond technique involved by above-mentioned oxidation pond 9 is high efficient aeration oxidation pond, than common aeration and static aeration efficiency high, and also have higher treatment effect under cryogenic.
Recycling treatment system of the present invention adapts to Small Urban, Rural areas Infrastructure level comparatively backwardness, resident lives and comparatively disperses, the density of population is lower than urban population, and Land_use change is relative to the condition such as loose, collection and treatment can be carried out to sanitary sewage, changing food waste, poultry waste water, be specially adapted to the Small Urban, the rural area that there is no centralized sewage treatment facility.And, recycling treatment system of the present invention also can be applied to cities and towns, the Rural areas that scale is slightly large, have centralized sewage treatment facility, waste water, the waste that sewage plant sludge etc. can be contained high-concentration organic matter also can utilize involved system in this patent to carry out recycling treatment, alleviate the secondary pollution problems that mud tradition landfill disposal is brought.
In sum, by the enforcement of this recycling treatment system, by solution or realize following problem or target:
1) to mud, the fowl and animal excrement of surrounding rural, cities and towns aquaculture generation and the movement of these regional people's generations that cities and towns and Rural areas changing food waste, urban wastewater treatment produce, solve rubbish facility imperfection and cause the environmental pollution such as changing food waste, mud, solve fowl and animal excrement and cannot process the rural pollution problem of dissolving and causing, improve Small Urban, Rural areas ecotope;
2) multiple organic waste combined highly effective anaerobism, realizes the recycling treatment of multiple organic waste;
3) biogas produced, after purification, can be used as cities and towns, Rural areas resident's combustion gas uses, or as vehicle fuel, realize the high-value-use of biological flue gas;
4), while adopting heat pump techniques to carry out Heat preservation to anaerobic reactor, heat pump techniques can be utilized to solve these heating, hot water service problem;
5) contain abundant nitrogen phosphoric in the liquid of natural pond, by farmland can be used as Liquid Fertilizer after pre-treatment, or reclaim nitrogen phosphoric wherein, realize the recycling treatment of natural pond liquid, avoid natural pond liquid problem of environmental pollution.
The present invention does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the present invention's above-mentioned basic fundamental thought prerequisite; the present invention can also make the equivalent modifications of other various ways, replacement or change, all drops among protection scope of the present invention.

Claims (9)

1. a recycling treatment system for town domestic sewage and organic waste, is characterized in that: described recycling treatment system comprises changing food waste vacuum collection system (1), equipment for separating liquid from solid (2), sewage homogeneous pond (3), organic solid waste homogeneous pond (4), anerobic sowage reactor (5) and Solid anaerobic reactor (6), the outlet of changing food waste vacuum collection system (1) described in first inlet communication of described equipment for separating liquid from solid (2), the outlet of the second inlet communication livestock culture sewage running piping, first inlet communication sanitary sewage transport pipe of described sewage homogeneous pond (3), the liquid separation outlet of equipment for separating liquid from solid (2) described in the second inlet communication, the solid of described equipment for separating liquid from solid (2) is separated the import that outlet is communicated with machine solid waste homogeneous pond (4), the import of the outlet Solid anaerobic reactor (6) of described organic solid waste homogeneous pond (4), the import of the outlet anerobic sowage reactor (5) of described sewage homogeneous pond (3).
2. recycling treatment system according to claim 1, is characterized in that: described recycling treatment system also comprises natural pond flow container (8), biogas gas holder (10) and natural pond slag ladle (12); The natural pond liquid outlet of anerobic sowage reactor (5) and Solid anaerobic reactor (6) described in the inlet communication in described natural pond flow container (8), the methane outlet of anerobic sowage reactor (5) and Solid anaerobic reactor (6) described in the inlet communication of described biogas gas holder (10), the natural pond slag outlet of anerobic sowage reactor (5) and Solid anaerobic reactor (6) described in the inlet communication in described natural pond slag ladle (12).
3. recycling treatment system according to claim 2, is characterized in that: described recycling treatment system also comprises oxidation pond (9); The outlet oxidation pond (9) in described natural pond flow container (8).
4. recycling treatment system according to claim 3, is characterized in that: described oxidation pond (9) is aeration oxidation pond.
5. recycling treatment system according to claim 2, is characterized in that: described recycling treatment system also comprises methane purifying device (11); The import of the outlet methane purifying device (11) of described biogas gas holder (10).
6. recycling treatment system according to claim 2, is characterized in that: described recycling treatment system also comprises dewatering unit (13); The import of the outlet dewatering unit (13) in described natural pond slag ladle (12).
7. the recycling treatment system according to claim 1 to 6 any one, is characterized in that: described anerobic sowage reactor (5) and Solid anaerobic reactor (6) are by heat pump set (7) heat supply.
8. the recycling treatment system according to claim 1 to 6 any one, is characterized in that: described anerobic sowage reactor (5) is UASB anaerobic reactor.
9. the recycling treatment system according to claim 1 to 6 any one, is characterized in that: described Solid anaerobic reactor (6) is CSTR anaerobic reactor.
CN201510009554.2A 2015-01-07 2015-01-07 Resourceful treatment system for municipal domestic wastewater and organic waste Pending CN104649513A (en)

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CN106269789A (en) * 2016-08-17 2017-01-04 南通天蓝环保能源成套设备有限公司 Resourceful treatment system for kitchen waste
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
CN107583933A (en) * 2017-08-29 2018-01-16 重庆欣彦生物技术有限公司 The harmless Treatment and recovery of discarded object utilizes ecological recycle system
CN107983753A (en) * 2017-12-12 2018-05-04 四川光大节能环保投资有限公司 A kind of rubbish disperses pretreatment-centralized burning treatment process
CN110420975A (en) * 2019-08-21 2019-11-08 深圳市新华宝食品设备有限公司 A kind of vacuum refuse collection processing technique
CN110976472A (en) * 2019-11-14 2020-04-10 武汉龙净环保工程有限公司 Kitchen waste and household waste co-processing method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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CN107983753A (en) * 2017-12-12 2018-05-04 四川光大节能环保投资有限公司 A kind of rubbish disperses pretreatment-centralized burning treatment process
CN110420975A (en) * 2019-08-21 2019-11-08 深圳市新华宝食品设备有限公司 A kind of vacuum refuse collection processing technique
CN110976472A (en) * 2019-11-14 2020-04-10 武汉龙净环保工程有限公司 Kitchen waste and household waste co-processing method
CN110976472B (en) * 2019-11-14 2021-07-16 武汉龙净环保工程有限公司 Kitchen waste and household waste co-processing method

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