CN109052842A - A kind of novel domestic sewage of villages and small towns treatment process - Google Patents

A kind of novel domestic sewage of villages and small towns treatment process Download PDF

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Publication number
CN109052842A
CN109052842A CN201811009871.4A CN201811009871A CN109052842A CN 109052842 A CN109052842 A CN 109052842A CN 201811009871 A CN201811009871 A CN 201811009871A CN 109052842 A CN109052842 A CN 109052842A
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CN
China
Prior art keywords
sewage
villages
treatment process
domestic sewage
small towns
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Pending
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CN201811009871.4A
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Chinese (zh)
Inventor
夏兵
郁莉萍
丁庄严
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Jiangsu Kangyuan Environmental Protection Technology Co Ltd
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Jiangsu Kangyuan Environmental Protection Technology Co Ltd
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Priority to CN201811009871.4A priority Critical patent/CN109052842A/en
Publication of CN109052842A publication Critical patent/CN109052842A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8678—Removing components of undefined structure
    • B01D53/8687—Organic components
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D3/00—Calcareous fertilisers
    • C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80—Soil conditioners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20769—Molybdenum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/30—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The present invention discloses a kind of novel domestic sewage of villages and small towns treatment process, includes the following steps: that (a) sanitary sewage pre-processes；(b) pretreated purifying domestic sewage processing；(c) sludge generated in purifying domestic sewage treatment process farmyard manure production stations are transported to handle.The present invention is suitable for the sanitary sewage disposal of new village and novel small town, and can comprehensively utilize the waste generated in sewage disposal process, improves resource utilization, is conducive to build sustainable developability society.

Description

A kind of novel domestic sewage of villages and small towns treatment process
Technical field
The present invention relates to sanitary sewage disposal fields, are related specifically to a kind of novel domestic sewage of villages and small towns treatment process.
Background technique
Novel urbanization makes the living standard of resident be greatly improved, and resident is made to live more poly- Collection reduces the old residence discarded in original villages and small towns, is conducive to the centralizedly supply of the resources such as electricity, water, reduces pipeline or route It is laid with, while being conducive to the centralized recovery processing to house refuse.But novel villages and small towns need to be exactly that life is dirty in face of a problem How the processing of water efficiently reduces pollution of the sanitary sewage to environment.Due to the daily life of new village and novel small town Sewage quantum of output living is less, builds biggish Sewage Disposal not only higher cost, but also the processing capacity of Sewage Disposal will It is idle to have larger a part, and Miniature Sewage Farm processing capacity can not fully meet requirement, and exist dirty Waste after water process is difficult to comprehensively utilize, and causes certain wasting of resources.
Summary of the invention
In view of this, being suitable for novel the purpose of the present invention is to provide a kind of novel domestic sewage of villages and small towns treatment process The sanitary sewage disposal in rural area and novel small town, and the waste generated in sewage disposal process can be comprehensively utilized, it mentions High resource utilization is conducive to build sustainable developability society.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows: a kind of novel domestic sewage of villages and small towns processing Technique includes the following steps:
(a) sanitary sewage pre-processes；
(b) pretreated purifying domestic sewage processing；
(c) sludge generated in purifying domestic sewage treatment process farmyard manure production stations are transported to handle:
Sludge, coal ash, white lime and the chicken manure dried are uniformly mixed obtained A according to weight ratio 4:2.5:0.7:1.8 Stalk, leaf, sheep dung, fertile soil and biogas residue are uniformly mixed obtained B material according to weight ratio 5:2:1.5:1:2.5:1.8 by material, will A material, B material and water are put into decomposed pond according to weight ratio 2:3:0.4, closed decomposed 20-35 days, decomposed fertilizer are made, inside fertile heap Temperature is 60-70 DEG C.
Above-mentioned novel domestic sewage of villages and small towns treatment process sets up sewage collecting station in community, in sewage in step (a) Gathering station carries out primary filtration to community's life's sewage, filters out the solids that the grain diameter in sanitary sewage is greater than 3cm, and will Solids is obtained by filtration and is transported to methane-generating pit progress ferment preparation of sludge gas, then by the sewage of filtered sanitary sewage pressurization pumping Treating stations carry out purified treatment.
The solids being obtained by filtration and partial size are 30-70 microns more by above-mentioned novel domestic sewage of villages and small towns treatment process Methane-generating pit is transported to after the mixing of hole calcium carbonate.
Above-mentioned novel domestic sewage of villages and small towns treatment process, is provided with volatile organic matter Concentration Testing in sewage collecting station Device, the volatile organic matter concentration detection apparatus and the processing monitoring center communication connection of novel domestic sewage of villages and small towns.
Above-mentioned novel domestic sewage of villages and small towns treatment process is equipped with volatile organic matter photocatalytic degradation in sewage collecting station and fills Set, be equipped with photochemical catalyst in volatile organic matter photocatalytic degradation device, photochemical catalyst by titanium dioxide, porous silica, Molybdenum oxide and lanthana are formed according to weight ratio 3:10:0.6:0.4.
Above-mentioned novel domestic sewage of villages and small towns treatment process, in step (b), pretreated sanitary sewage clean water treatment packet Include following steps:
(b-1) pretreated sanitary sewage is successively subjected to cyclic activated sludge system purified treatment；
(b-2) sanitary sewage after cyclic activated sludge system purified treatment is handled by the ecosystem pool.
Above-mentioned novel domestic sewage of villages and small towns treatment process carries out in step (b-1) by pretreated sanitary sewage The pH value of pretreated sanitary sewage is adjusted before cyclic activated sludge system processing with sulfuric acid and sodium hydroxide；Pretreated life is dirty Water carries out generation sludge in cyclic activated sludge system treatment process and is transported to farmyard manure production stations as the decomposed fertile raw material of production.
Above-mentioned novel domestic sewage of villages and small towns treatment process, sludge is transported to after farmyard manure production stations and dries granulation, and dirt is made Mud particle, partial size are 60-150 microns.
Above-mentioned novel domestic sewage of villages and small towns treatment process, the mud granule are 120-150 microns, the mud granule table Face is equipped with the groove that depth is 20-30 microns；When preparing A material, the partial size of white lime is 10-20 microns, and partial size is 10-12 microns White lime, the white lime that partial size is 13-17 microns and partial size be 18-20 microns the weight ratio of white lime be 1:3:8.
Above-mentioned novel domestic sewage of villages and small towns treatment process specifically comprises the following steps: when preparation A expects
(c-1) by mud granule and white lime mixing granulation, the C that partial size is 135-170 microns is made and expects, specific method Are as follows: while agitating to white lime surface continuous water spray mist 5-10 minutes in spray chamber, wet white lime particle is made, it will It is to be mixed 20-30 minutes to expect up to C in 70-85% stirred tank that white lime particle and mud granule, which are moistened, in humidity；
(c-2) by mud granule and white lime mixing granulation, the D that partial size is 80-120 microns is made and expects, method particularly includes: While agitating to chicken manure particle surface continuous water spray mist 10-15 minutes in spray chamber, wet chicken manure particle is made, it will be wet Moistening chicken manure particle and flyash in humidity is to be mixed 15-20 minutes to expect up to D in 70-85% stirred tank；
(c-3) C material and D material are mixed 10-15 minutes in a stirring kettle and are expected up to A.
Beneficial effects of the present invention are as follows:
1. the waste generated during sanitary sewage disposal is used for the preparation of decomposed fertilizer by the present invention, money is effectively increased The utilization rate in source.
It is used 2. being mixed using the decomposed fertilizer prepared in the present invention with farmyard manure as base fertilizer, fertility is lasting, can effectively change It is apt to the hardened situation of hardened soil, is used continuously 2 years, soil hardening situation disappears substantially.
3. the present invention combines sanitary sewage disposal and the ecological agriculture, not only can solve after sanitary sewage preliminary purification such as It is imported in nature water environment in the case where where to Natural Water environmental impact minimization, while the weather in novel villages and small towns can also be improved Environment.
Specific embodiment
In order to illustrate more clearly of the present invention, below with reference to preferred embodiment, the present invention is described further.Ability Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this The protection scope of invention.
The novel domestic sewage of villages and small towns treatment process of the present invention, includes the following steps:
(a) sanitary sewage pre-processes.
When building the community in novel villages and small towns, sewage collecting station is set up in community, and at sewage collecting station to community's life Sewage carries out primary filtration, filters out the solids that the grain diameter in sanitary sewage is greater than 3cm, and the solids that will be obtained by filtration Methane-generating pit, which is transported to, after mixing with the porous calcium carbonate that partial size is 30-70 microns carries out ferment preparation of sludge gas, it then will be filtered The Sewage Disposal of sanitary sewage pressurization pumping carries out purified treatment.
Dirt is diffused into view of when carrying out sewage collecting by sewage collecting station, the volatile organic matter in sewage can volatilize It in air in water gathering station, and then diffuses in the air near sewage collecting station, will form foul gas diffusion source, because This, is provided with volatile organic matter concentration detection apparatus, the volatile organic matter concentration detection apparatus in sewage collecting station It is dense when the volatile organic matter in sewage collecting station in air with the processing monitoring center communication connection of novel domestic sewage of villages and small towns When degree reaches preset value, monitoring center starting Sewage Disposal can be handled by novel domestic sewage of villages and small towns changes wind system System carries out changing wind, is degraded by natural degradation to volatile organic matter.In the present embodiment, it is equipped with and waves in sewage collecting station Hair property Photocatalytic Degradation of Organic device, is equipped with photochemical catalyst in volatile organic matter photocatalytic degradation device, photochemical catalyst by Titanium dioxide, porous silica, molybdenum oxide and lanthana are formed according to weight ratio 3:10:0.6:0.4, pass through electrophoretic deposition It is made, wherein the partial size of titanium dioxide is 1-5 microns, and the partial size of porous silica is 20-30 microns, the partial size of molybdenum oxide It is 1-2 microns, the partial size of lanthana is 2-3 microns, and above-mentioned size grading can not only make titanium dioxide, molybdenum oxide and lanthana Can be evenly dispersed in porous silica silicon face, also help the equal of the mixing between titanium dioxide, molybdenum oxide and lanthana Evenness.The efficiency of photochemical catalyst catalytic degradation phenol in the present embodiment is 0.54 μm of olmin-1·cm-2, much higher than with two Titanium oxide is 0.30 μm of olmin of catalytic efficiency of raw material photochemical catalyst as made from electrophoretic deposition-1·cm-2。
By volatile organic matter photocatalytic degradation device using the photochemical catalyst in the present invention to empty in sewage collecting station The degradation of organic matter in gas, can for a long time in keep in sewage collecting station in air content of organics to be in one close to conventional The level of the middle content of organics of atmosphere.
(b) pretreated purifying domestic sewage processing, includes the following steps:
(b-1) pretreated sanitary sewage is successively subjected to cyclic activated sludge system purified treatment.By pretreated life Sewage carries out the preceding pH value that pretreated sanitary sewage is adjusted with sulfuric acid and sodium hydroxide of cyclic activated sludge system processing；After pre-processing Sanitary sewage generate in cyclic activated sludge system treatment process sludge and be transported to farmyard manure production stations as producing decomposed fertile raw material.It is logical It crosses cyclic activated sludge system to handle sanitary sewage, is effectively utilized the feature that its occupied area is small, processing capacity is big, so that novel The sanitary sewage generated in villages and small towns can be handled timely and effectively.
(b-2) sanitary sewage after cyclic activated sludge system purified treatment is handled by the ecosystem pool.
Sanitary sewage after cyclic activated sludge system purified treatment meets the standard discharged in natural environment water system, still Natural environment water system can also be had an impact, in order to further be located to the sanitary sewage after cyclic activated sludge system purified treatment Reason, while improving the weather (such as humidity) of novel villages and small towns ambient enviroment, by the sanitary sewage after cyclic activated sludge system purified treatment It is handled by the ecosystem pool, so as to so that the sanitary sewage after cyclic activated sludge system purified treatment passes through life in natural environment Object purified treatment further reduced influence of the sanitary sewage after cyclic activated sludge system purified treatment to natural environment.
(c) sludge generated in purifying domestic sewage treatment process farmyard manure production stations are transported to handle:
Sludge, coal ash, white lime and the chicken manure dried are uniformly mixed obtained A according to weight ratio 4:2.5:0.7:1.8 Stalk, leaf, sheep dung, fertile soil and biogas residue are uniformly mixed obtained B material according to weight ratio 5:2:1.5:1:2.5:1.8 by material, will A material, B material and water are put into decomposed pond according to weight ratio 2:3:0.4, closed decomposed 20-35 days, decomposed fertilizer are made, inside fertile heap Temperature is 70 DEG C.
Wherein, first the sludge generated in purifying domestic sewage treatment process is transported to after farmyard manure production stations and dries granulation, Mud granule is made, partial size is 120-150 microns, and the mud granule surface is equipped with the groove that depth is 20-30 microns；Preparation When A expects, the partial size of white lime is 10-20 microns, the white lime that partial size is 10-12 microns, the white lime that partial size is 13-17 microns The weight ratio for the white lime for being 18-20 microns with partial size is 1:3:8, the mixture being made of these three white limes, not only can be with Evenly dispersed degree of the white lime in decomposed fertile raw material is improved, and large-sized white lime can be to avoid decomposed initial phase Temperature rises too fast, it is possible to reduce thermal loss when winter prepares decomposed fertilizer when unclosed decomposed pond.
In the present embodiment, the technique for preparing A material specifically comprises the following steps:
(c-1) by mud granule and white lime mixing granulation, the C that partial size is 135-170 microns is made and expects, specific method Are as follows: while agitating to white lime surface continuous water spray mist 5-10 minutes in spray chamber, wet white lime particle is made, it will It is to be mixed 20-30 minutes to expect up to C in 70-85% stirred tank that white lime particle and mud granule, which are moistened, in humidity；
(c-2) by mud granule and white lime mixing granulation, the D that partial size is 80-120 microns is made and expects, method particularly includes: While agitating to chicken manure particle surface continuous water spray mist 10-15 minutes in spray chamber, wet chicken manure particle is made, it will be wet Moistening chicken manure particle and flyash in humidity is to be mixed 15-20 minutes to expect up to D in 70-85% stirred tank；
(c-3) C material and D material are mixed 10-15 minutes in a stirring kettle and are expected up to A.
After preparing A material and B material, A material, B material and water are put into decomposed pond according to weight ratio 2:3:0.4, it is close It closes decomposed 20-35 days, decomposed fertilizer is made.
Using decomposed fertilizer obtained in the present invention and farmyard manure according to rape made from weight ratio 1:3, the base manure of winter wheat, The effective fertility of soil kept stablizing in 4 months, and cooperation imposes when 5 months whens can keep the 80% of effective fertility, 7 months Fertility when soil fertility was with 1 month after urea 5kg is suitable and sustainable 1 half a month.
And using decomposed fertilizer and farmyard manure as the base manure of crops in hardened more serious soil, using the of the base manure 1 year, soil compaction rate had dropped decline 60% or so, and using the second year of the base manure, soil hardening situation disappears substantially.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention The restriction of embodiment can also make on the basis of the above description for those of ordinary skill in the art Other various forms of variations or variation here can not be exhaustive all embodiments, all to belong to skill of the invention The obvious changes or variations that art scheme is extended out are still in the scope of protection of the present invention.

Claims (10)

1. a kind of novel domestic sewage of villages and small towns treatment process, which comprises the steps of:
(a) sanitary sewage pre-processes；
(b) pretreated purifying domestic sewage processing；
(c) sludge generated in purifying domestic sewage treatment process farmyard manure production stations are transported to handle:
Sludge, coal ash, white lime and the chicken manure dried are uniformly mixed obtained A material according to weight ratio 4:2.5:0.7:1.8, it will Stalk, leaf, sheep dung, fertile soil and biogas residue are uniformly mixed obtained B material according to weight ratio 5:2:1.5:1:2.5:1.8, by A material, B Material and water are put into decomposed pond according to weight ratio 2:3:0.4, closed decomposed 20-35 days, decomposed fertilizer are made, fertile heap internal temperature is 60-70℃。
2. novel domestic sewage of villages and small towns treatment process according to claim 1, which is characterized in that in step (a), in society Area sets up sewage collecting station, carries out primary filtration to community's life's sewage at sewage collecting station, filters out the particle in sanitary sewage Partial size is greater than the solids of 3cm, and solids will be obtained by filtration and be transported to methane-generating pit progress ferment preparation of sludge gas, after then filtering Sanitary sewage pressurization pumping Sewage Disposal progress purified treatment.
3. novel domestic sewage of villages and small towns treatment process according to claim 2, which is characterized in that the solid that will be obtained by filtration Object is transported to methane-generating pit after mixing with the porous calcium carbonate that partial size is 30-70 microns.
4. novel domestic sewage of villages and small towns treatment process according to claim 3, which is characterized in that set in sewage collecting station Volatile organic matter concentration detection apparatus is equipped with, at the volatile organic matter concentration detection apparatus and novel domestic sewage of villages and small towns Manage monitoring center communication connection.
5. novel domestic sewage of villages and small towns treatment process according to claim 4, which is characterized in that sewage collecting is equipped in station Volatile organic matter photocatalytic degradation device, volatile organic matter photocatalytic degradation device is interior to be equipped with photochemical catalyst, photochemical catalyst It is made of titanium dioxide, porous silica, molybdenum oxide and lanthana according to weight ratio 3:10:0.6:0.4.
6. -5 any novel domestic sewage of villages and small towns treatment process according to claim 1, which is characterized in that in step (b) In, pretreated sanitary sewage clean water treatment includes the following steps:
(b-1) pretreated sanitary sewage is successively subjected to cyclic activated sludge system purified treatment；
(b-2) sanitary sewage after cyclic activated sludge system purified treatment is handled by the ecosystem pool.
7. novel domestic sewage of villages and small towns treatment process according to claim 6, which is characterized in that in step (b-1), Pretreated sanitary sewage is subjected to cyclic activated sludge system and handles preceding sulfuric acid and the pretreated sanitary sewage of sodium hydroxide adjusting PH value；Will pretreated sanitary sewage carry out cyclic activated sludge system treatment process in generate sludge be transported to farmyard manure production stations as Produce decomposed fertile raw material.
8. novel domestic sewage of villages and small towns treatment process according to claim 7, which is characterized in that sludge is transported to farmyard manure Granulation is dried after production stations, mud granule is made, and partial size is 60-150 microns.
9. novel domestic sewage of villages and small towns treatment process according to claim 8, which is characterized in that the mud granule is 120-150 microns, the mud granule surface is equipped with the groove that depth is 20-30 microns；When preparing A material, the partial size of white lime It is 10-20 microns, the white lime that partial size is 10-12 microns, the white lime that partial size is 13-17 microns and partial size are 18-20 microns White lime weight ratio be 1:3:8.
10. novel domestic sewage of villages and small towns treatment process according to claim 9, which is characterized in that when preparation A material, specifically Include the following steps:
(c-1) by mud granule and white lime mixing granulation, the C that partial size is 135-170 microns is made and expects, method particularly includes: While agitating to white lime surface continuous water spray mist 5-10 minutes in spray chamber, wet white lime particle is made, will moisten White lime particle and mud granule are that 20-30 minute C material to obtain the final product are mixed in 70-85% stirred tank in humidity；
(c-2) by mud granule and white lime mixing granulation, the D that partial size is 80-120 microns is made and expects, method particularly includes: it is spraying While agitating to chicken manure particle surface continuous water spray mist 10-15 minutes in fog chamber, wet chicken manure particle is made, by wet chicken Excrement particle and flyash are that 15-20 minute D material to obtain the final product are mixed in 70-85% stirred tank in humidity；
(c-3) C material and D material are mixed 10-15 minutes in a stirring kettle and are expected up to A.
CN201811009871.4A 2018-08-31 2018-08-31 A kind of novel domestic sewage of villages and small towns treatment process Pending CN109052842A (en)

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CN201811009871.4A CN109052842A (en) 2018-08-31 2018-08-31 A kind of novel domestic sewage of villages and small towns treatment process

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Application Number Priority Date Filing Date Title
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN113354192A (en) * 2021-05-31 2021-09-07 江苏康源环保科技有限公司 Urban domestic sewage combined biological nitrogen and phosphorus removal device and method

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US20030015469A1 (en) * 2001-04-17 2003-01-23 Hedenland Michael David Modified intermittent cycle, extended aeration system (miceas)
CN101885563A (en) * 2010-04-29 2010-11-17 重庆大学 SBR+ artificial wetland combined treatment system for domestic sewage recycling
CN105152456A (en) * 2015-07-11 2015-12-16 四川海和风科技有限公司 Domestic sewage treatment apparatus for colleges
CN106957130A (en) * 2017-03-31 2017-07-18 温州大学 A kind of processing method of sanitary sewage and organic solid castoff
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CN1209426A (en) * 1998-08-20 1999-03-03 机械工业部机械科学研究院环境保护技术与装备研究所 Aerobic composting technology of organic waste materials
US20030015469A1 (en) * 2001-04-17 2003-01-23 Hedenland Michael David Modified intermittent cycle, extended aeration system (miceas)
CN101885563A (en) * 2010-04-29 2010-11-17 重庆大学 SBR+ artificial wetland combined treatment system for domestic sewage recycling
CN105152456A (en) * 2015-07-11 2015-12-16 四川海和风科技有限公司 Domestic sewage treatment apparatus for colleges
CN107055932A (en) * 2016-12-13 2017-08-18 九江精密测试技术研究所 A kind of marine domestic sewage processing system
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113354192A (en) * 2021-05-31 2021-09-07 江苏康源环保科技有限公司 Urban domestic sewage combined biological nitrogen and phosphorus removal device and method

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