CN102153235A - Distributed treatment method and system for domestic sewage - Google Patents
Distributed treatment method and system for domestic sewage Download PDFInfo
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- CN102153235A CN102153235A CN2011100522544A CN201110052254A CN102153235A CN 102153235 A CN102153235 A CN 102153235A CN 2011100522544 A CN2011100522544 A CN 2011100522544A CN 201110052254 A CN201110052254 A CN 201110052254A CN 102153235 A CN102153235 A CN 102153235A
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- water
- anaerobic reactor
- solid
- liquid separator
- domestic sewage
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Treatment Of Sludge (AREA)
Abstract
The invention discloses a distributed treatment method and system for domestic sewage. The distributed treatment system comprises a fecal sewage solid-liquid separator, a feces storage tank and an anaerobic reactor, wherein a fecal sewage inlet of the fecal sewage solid-liquid separator is communicated with a sewer pipeline of a building; a water outlet pipe of the fecal sewage solid-liquid separator is communicated with the anaerobic reactor; and a feces discharging valve arranged on the bottom of the fecal sewage solid-liquid separator is communicated with the feces storage tank. After the fecal sewage discharged by a water closet is first brought into the fecal sewage solid-liquid separator, soluble pollutant after fecal sewage solid-liquid separation is brought into the anaerobic reactor to carry out anaerobic treatment, and solid waste and water insoluble feces are brought into the feces storage tank to be treated. The urban sewage is eliminated in the early stage through breaking up the whole into parts, and the feces is collected and used as an organic fertilizer without generating pollution to the environment. Through the distributed treatment method and system, the urban life sewage treatment is changed from government actions to enterprise actions, the urban operation cost and burdens on nation and taxpayers are reduced, and the building investments on the urban sewage pipe networks and sewage plants are canceled.
Description
Technical field
The present invention relates to a kind of waste disposal method, particularly a kind of domestic sewage dispersant type treatment process and treatment system.
Background technology
Along with the continuous propelling of urbanization process, urban population is all the more huge, and consequent municipal effluent is also increasing.But the waste disposal plant that matches is with it still continued to use existing more than 100 year historical septic tank.The only 12-24 hour this cesspool sewage residence time, should processing soluble sewage, handle insoluble sewage again, and limited processing space is full of by a large amount of solid waste, cause the space to stop up and produce short stream in the pond in.Make the wastewater treatment efficiency extreme difference.For this reason, build large-scale sewer line and Sewage Plant in the city.Also claim centralized sewage disposal pattern by " septic tank+sewage network+Sewage Plant " pattern.Observe from its operational process, its essence is the operational mode of a kind of " with can energy dissipating ", and be in operation also can be to a large amount of CO of airborne release
2, when eliminating the water pollution, but produced topsoil like this.Do not enter natural water if the sewage that the sewage network in city, Sewage Plant and this city produce matches with having a large amount of sewage, cause water pollution.As in the large-scale freshwater lake water quality such as Qingdao Enteromorpha, Baiyang Lake, Wuhan East Lake, Dian Chi, Taihu Lake, the serious rice-nutrient root all is this.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, and provide a kind of and break the whole up into parts, dispersion treatment, can not pollute environment, the domestic sewage dispersant type treatment process of refuse zero release.
Another object of the present invention also is to provide a kind of domestic sewage dispersant type treatment system.
A kind of domestic sewage dispersant type treatment process, 1) the liquid dung mixture of being discharged by water closet is introduced the liquid dung solid-liquid separator, the most ight soil of flushing the toilet water and being dissolved in the water of flushing the toilet enters anaerobic reactor after separator separates, and the water of not water-soluble ight soil, solid waste and minute quantity enters manure storage tank; 2) sewage that enters anaerobic reactor can enter in the nature water after anaerobic reactor digestion; 3) enter the ight soil of manure storage tank and solid waste is sent to the outer suburbs through the logistics link fertilizer factory.
The present invention will introduce anaerobic reactor through the solubility pollutent after the liquid dung solid-liquid separation and carry out anaerobic treatment after the liquid dung that water closet is discharged is introduced the liquid dung solid-liquid separator earlier, and solid waste and water-fast ight soil introducing manure storage tank are handled.So in actual applications, one or several " liquid dung solid-liquid separator " and supporting with it manure storage tanks can be installed in building, every building between water closet and septic tank (also being anaerobic reactor), simultaneously set up " collecting dung accumulating " specialized company, set up several fertilizer manufactories in each exurb and ight soil is changed into the commercialization fertilizer therefore just can solve for need of agriculture production in each city.Therefore changed the pattern of the septic tank+sewage network+Sewage Plant process of aggregation that generally adopts in the prior art, and the various shortcomings that adopt the prior art pattern to bring.Make the refuse zero release, zero pollutes and becomes possibility.
The water side that described domestic sewage dispersant type treatment process also is included in anaerobic reactor also is provided with a reflux, will start sewage after reflux is handled anaerobic reactor and return anaerobic reactor and handle when detected water quality is not up to standard.
Described anaerobic reactor or be baffled reactor (ABR) or for anaerobic filter (AF) or for upflow anaerobic sludge blanket process method (USAB).
A kind of domestic sewage dispersant type treatment system, its structural feature is: comprise liquid dung solid-liquid separator, manure storage tank, anaerobic reactor, the import of liquid dung solid-liquid separator liquid dung is connected with the sewer line of buildings, the rising pipe of liquid dung solid-liquid separator is connected with anaerobic reactor, and the defecation valve that the bottom of liquid dung solid-liquid separator is provided with is connected with manure storage tank.
Water side at the anaerobic reactor of domestic sewage dispersant type treatment system is provided with reflux.
Described reflux is made up of reflux pump and return line, and described return line feed-water end links to each other with the water side of anaerobic reactor, and described return line water side links to each other with the feed-water end of anaerobic reactor, reflux pump return line into and out of between the water end (W.E.).
Described anaerobic reactor and washes pipe are conducted.
Adopt this mode of connection washes directly can be introduced anaerobic reactor.
Described anaerobic reactor or be baffled reactor (ABR) or for anaerobic filter (AF) or for upflow anaerobic sludge blanket process method (USAB).
Described liquid dung solid-liquid separator is the separation tank body that comprises cylindricality, rising pipe, described rising pipe is that arc or U-shaped water level go out pipe, water level pipe one end is connected in the A point place of tank body middle and lower part, the other end of water level pipe then is connected with follow-up anaerobic reactor, at the bottom of the arcuate bottom of water level pipe or the U-shaped up, two ends and the place's cross-over connection of a little higher than A point at arc or U-shaped water level pipe have water discharge valve, be provided with the liquid dung import on the top of separating tank body, be provided with defecation in the bottom of liquid dung solid-liquid separator the defecation valve is arranged, one end of defecation valve connects the bottom of separating tank, and the other end of defecation valve is connected with manure storage tank.
The liquid dung solid-liquid separator of this structure, water discharge valve when initial of working, defecation valve all are in closing condition, and the liquid dung of being discharged by water closet enters the separation tank body.Separating tank is according to highly forming four different workspace, and top is the liquid dung buffer zone, and the middle and upper part is the drop district, and the middle and lower part is a solid-liquid displacement zone, and the bottom is the solid precipitation district.The not hydrolysis ight soil that density is bigger than water is deposited in the separator bottom by solid-liquid displacement zone, and the ight soil that density is littler than water swims in the liquid dung surface.The ight soil that is dissolved in water then is in the middle and lower part solid-liquid displacement zone, and it will enter follow-up ABR or AF processing back discharge by water level pipe.Every certain interval of time (twice of every day) is opened ight soil that bottom defecation valve will swim in the water surface and is deposited in bottom ight soil and enters manure storage tank and be used to produce fertilizer.First opening water discharge valve before opening the defecation valve is distinguished drop and the water of solid-liquid displacement zone enters ABR or AF device through the inverted-loop tube water discharge valve, to improve manure storage tank ight soil concentration.
Described defecation valve or comprise magnetic valve or comprise manual valve, or magnetic valve formation in parallel with manual valve.
Described water discharge valve or comprise manual valve, or comprise magnetic valve.
Described water level pipe and tank body tie point A are positioned at tank body 1/4 and highly locate.
The present invention will introduce anaerobic reactor through the solubility pollutent after the liquid dung solid-liquid separation and carry out anaerobic treatment after the liquid dung that water closet is discharged is introduced the liquid dung solid-liquid separator earlier, and solid waste and water-fast ight soil introducing manure storage tank are handled.The theoretical foundation of doing like this is:
⑴ complicated organism great majority such as the starch in the ight soil main component, Mierocrystalline cellulose, hemicellulose, pectin substance can not dissolve in water, could be absorbed, utilize by Institute of Micro-biology after must be at first being hydrolyzed to sugar, peptide, amino acid and the lipid acid of solubility by zymogenic bacteria excretory extracellular enzyme.This is a process very slowly.
The microbial growth theory is pointed out:
Microbial growth is actually the combined reaction of microorganism to various factors physics in the surrounding environment or chemistry.The microbial growth rule generally reflects by growth curve, to represent that microorganism is in different culture environment and process of growth thereof.In microbiology, once the growth rhythm of pure strain had been done a large amount of research.Press microorganism growth speed, its process of growth can be divided into four periods, i.e. lag period, increased logarithmic phase, stationary phase and decline phase.
Enter the period of new environment lag period (also crying the adaptive phase) for microorganism cells.Because intracellular various biological enzymes need adapt to new environment, this in period cell generally do not breed, the viable cell number can not increase, but cell volume can enlarge markedly
The water-fast compositions such as starch in the liquid dung, Mierocrystalline cellulose, hemicellulose, pectin substance of flushing the toilet in summary can be hydrolyzed into sugar, peptide, amino acid and the lipid acid of solubility in a large number in the adaptive phase of microorganism growth, so just provide certain operating time window for the liquid dung solid-liquid separation process
In sum, the following compared to existing technology advantage of the present invention:
⑴ break the whole up into parts municipal effluent eliminated in bud;
⑵ ight soil is used as fertilizer and collects utilization, can not produce environment and pollute.For thousands of years, China people rely on using of fertilizer, have both increased output, and soil fertility is not gone downhill permanently;
⑶ can keep solid-liquid separation and ight soil accumulating running with the economic return that the fertilizer fertilizer for replacing chemical produces;
⑷ become city domestic sewage processing action by government and be corporate behavior, reduces the city operations expense, alleviates country and tax-payer's burden;
⑸ cancellation is to the construction investment of municipal sewage pipe network and Sewage Plant;
⑹ fundamentally solve the body eutrophication pollution problem.
Description of drawings
Fig. 1 is a domestic sewage dispersant type treatment system structural representation of the present invention.
Fig. 2 is the structural representation of the liquid dung solid-liquid separator of the embodiment of the invention.
Label declaration 1 liquid dung solid-liquid separator 11 separates tank body 12 rising pipes 2 manure storage tanks 3 anaerobic reactors 4 refluxes 5 washes pipes 6 sewer lines.
Embodiment
Below in conjunction with embodiment the present invention is described in more detail.
Embodiment 1
A kind of domestic sewage dispersant type treatment process, ⑴ the liquid dung mixture that discharged by water closet flows into the liquid dung solid-liquid separator, after this separator is handled, the ight soil of flushing the toilet water and being dissolved in the water of flushing the toilet of most of (98%) enters baffled reactor (ABR), and the water of not water-soluble ight soil, solid waste and minute quantity enters manure storage tank.
⑵ Sewage Plant can enter natural water (90% pollutent is removed after ABR handles) to the sewage that enter baffled reactor (ABR) through need not into after baffled reactor (ABR) anaerobic digestion.
⑶ enter the ight soil of manure storage tank and solid waste and be sent to the fertilizer factory in outer suburbs through the logistics link, is processed into the need of high-quality fertilizer fertilizer for replacing chemical for agricultural generations through degree of depth solid-liquid separation and microorganism aminating reaction.
(4) will start sewage after reflux is handled anaerobic reactor when detected water quality is not up to standard returns anaerobic reactor and handles.
It is same as the prior art that present embodiment is not stated part.
Embodiment 2
A kind of domestic sewage dispersant type treatment system, comprise liquid dung solid-liquid separator 1, manure storage tank 2, anaerobic reactor 3, the import of liquid dung solid-liquid separator liquid dung is connected with the sewer line of buildings, the rising pipe of liquid dung solid-liquid separator is connected with anaerobic reactor, and the defecation valve that the bottom of liquid dung solid-liquid separator is provided with is connected with manure storage tank.Described anaerobic reactor and washes pipe are conducted.Water side at the anaerobic reactor of domestic sewage dispersant type treatment system is provided with reflux 4.Described reflux is made up of reflux pump and return line, and described return line feed-water end links to each other with the water side of anaerobic reactor, and described return line water side links to each other with the feed-water end of anaerobic reactor, reflux pump return line into and out of between the water end (W.E.).Described anaerobic reactor is baffled reactor (ABR).Described liquid dung solid-liquid separator 1 is the separation tank body 11 that comprises cylindricality, rising pipe 12, described rising pipe is that arc or U-shaped water level go out pipe, water level pipe one end is connected in the A point place of tank body middle and lower part, the other end of water level pipe then is connected with follow-up anaerobic reactor, at the bottom of the arcuate bottom of water level pipe or the U-shaped up, two ends and the place's cross-over connection of a little higher than A point at arc or U-shaped water level pipe have water discharge valve, be provided with the liquid dung import on the top of separating tank body, be provided with defecation in the bottom of liquid dung solid-liquid separator the defecation valve is arranged, one end of defecation valve connects the bottom of separating tank, and the other end of defecation valve is connected with manure storage tank.Described defecation valve comprises magnetic valve formation in parallel with manual valve.Described water discharge valve or comprise magnetic valve.Described water level pipe and tank body tie point A are positioned at tank body 1/4 and highly locate.
It is same as the prior art that present embodiment is not stated part.
Claims (10)
1. domestic sewage dispersant type treatment process, 1) the liquid dung mixture of being discharged by water closet is introduced liquid dung solid-liquid separator (1), the most ight soil of flushing the toilet water and being dissolved in the water of flushing the toilet enters anaerobic reactor after separator separates, and the water of not water-soluble ight soil, solid waste and minute quantity enters manure storage tank; 2) sewage that enters anaerobic reactor (3) can enter in the nature water after anaerobic reactor digestion; 3) enter the ight soil of manure storage tank (2) and solid waste is sent to the outer suburbs through the logistics link fertilizer factory.
2. domestic sewage dispersant type treatment process according to claim 1, it is characterized in that: the water side that described domestic sewage dispersant type treatment process also is included in anaerobic reactor also is provided with a reflux (4), will start sewage after reflux is handled anaerobic reactor and return anaerobic reactor and handle when detected water quality is not up to standard.
3. domestic sewage dispersant type treatment system, it is characterized in that: comprise liquid dung solid-liquid separator, manure storage tank, anaerobic reactor, the import of liquid dung solid-liquid separator liquid dung is connected with the sewer line of buildings, the rising pipe of liquid dung solid-liquid separator is connected with anaerobic reactor, and the defecation valve that the bottom of liquid dung solid-liquid separator is provided with is connected with manure storage tank.
4. domestic sewage dispersant type treatment system according to claim 3, it is characterized in that: a kind of domestic sewage dispersant type treatment system, its structural feature is: comprise liquid dung solid-liquid separator, manure storage tank, anaerobic reactor, the import of liquid dung solid-liquid separator liquid dung is connected with the sewer line of buildings, the rising pipe of liquid dung solid-liquid separator is connected with anaerobic reactor, and the defecation valve that the bottom of liquid dung solid-liquid separator is provided with is connected with manure storage tank.
5. domestic sewage dispersant type treatment system according to claim 4, it is characterized in that: the water side at the anaerobic reactor of domestic sewage dispersant type treatment system is provided with reflux, described reflux is made up of reflux pump and return line, described return line feed-water end links to each other with the water side of anaerobic reactor, described return line water side links to each other with the feed-water end of anaerobic reactor, reflux pump return line into and out of between the water end (W.E.).
6. domestic sewage dispersant type treatment system according to claim 5 is characterized in that: described anaerobic reactor and washes pipe are conducted.
7. according to any one described domestic sewage dispersant type treatment system of claim 3 to 6, it is characterized in that: described liquid dung solid-liquid separator is the separation tank body (11) that comprises cylindricality, rising pipe (12), described rising pipe is that arc or U-shaped water level go out pipe, water level pipe one end is connected in the A point place of tank body middle and lower part, the other end of water level pipe then is connected with follow-up anaerobic reactor, at the bottom of the arcuate bottom of water level pipe or the U-shaped up, two ends and the place's cross-over connection of a little higher than A point at arc or U-shaped water level pipe have water discharge valve, be provided with the liquid dung import on the top of separating tank body, be provided with defecation in the bottom of liquid dung solid-liquid separator the defecation valve is arranged, one end of defecation valve connects the bottom of separating tank, and the other end of defecation valve is connected with manure storage tank.
8. domestic sewage dispersant type treatment system according to claim 7 is characterized in that: described defecation valve or comprise magnetic valve or comprise manual valve, or magnetic valve formation in parallel with manual valve.
9. domestic sewage dispersant type treatment system according to claim 8 is characterized in that: described water discharge valve or comprise manual valve, or comprise magnetic valve.
10. domestic sewage dispersant type treatment system according to claim 9 is characterized in that: described water level pipe and tank body tie point A are positioned at tank body 1/4 and highly locate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100522544A CN102153235A (en) | 2011-03-04 | 2011-03-04 | Distributed treatment method and system for domestic sewage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100522544A CN102153235A (en) | 2011-03-04 | 2011-03-04 | Distributed treatment method and system for domestic sewage |
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| CN102153235A true CN102153235A (en) | 2011-08-17 |
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| CN2011100522544A Pending CN102153235A (en) | 2011-03-04 | 2011-03-04 | Distributed treatment method and system for domestic sewage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417598A (en) * | 2015-12-17 | 2016-03-23 | 江苏新奇环保有限公司 | Fecal sewage treatment device |
| CN105906009A (en) * | 2016-06-13 | 2016-08-31 | 卓宇轩 | Urban sewage processing system and method |
| CN115557643A (en) * | 2022-10-18 | 2023-01-03 | 威海智洁环保技术有限公司 | Urban domestic sewage treatment system and resource utilization method |
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| CN2598994Y (en) * | 2002-11-29 | 2004-01-14 | 上海太比雅科技有限公司 | Ecological circulating treatment system for water closet |
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Application publication date: 20110817 |