CN105502850A - Integrated treatment method and device for sewage and garbage in cold region - Google Patents
Integrated treatment method and device for sewage and garbage in cold region Download PDFInfo
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- CN105502850A CN105502850A CN201610047282.XA CN201610047282A CN105502850A CN 105502850 A CN105502850 A CN 105502850A CN 201610047282 A CN201610047282 A CN 201610047282A CN 105502850 A CN105502850 A CN 105502850A
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- 239000010865 sewage Substances 0.000 title claims abstract description 186
- 238000000034 method Methods 0.000 title claims abstract description 82
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 27
- 239000002361 compost Substances 0.000 claims abstract description 68
- 238000009264 composting Methods 0.000 claims abstract description 22
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 230000000813 microbial effect Effects 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 230000015556 catabolic process Effects 0.000 claims abstract description 7
- 238000006731 degradation reaction Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 230000001105 regulatory effect Effects 0.000 claims description 28
- 239000010815 organic waste Substances 0.000 claims description 24
- 238000005273 aeration Methods 0.000 claims description 14
- 239000006228 supernatant Substances 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 210000005056 cell body Anatomy 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 5
- 210000003608 fece Anatomy 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000002262 irrigation Effects 0.000 claims description 4
- 238000003973 irrigation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 244000144972 livestock Species 0.000 claims description 4
- 239000002068 microbial inoculum Substances 0.000 claims description 4
- 244000144977 poultry Species 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 4
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- 230000001568 sexual effect Effects 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000004332 deodorization Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- 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
- 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
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
Abstract
The invention relates to the technical field of environmental pollutant treatment, and particularly discloses a method and a device for integrally treating sewage and garbage in cold regions, wherein organic garbage is treated by compost, sewage is treated by biochemical treatment, and heat generated by the compost is transferred to a sewage biochemical treatment system to maintain the temperature required by microbial degradation of pollutants; introducing odor generated by the compost into a sewage biochemical treatment system to achieve the purposes of deodorization and oxygen supply; the excess sludge generated by sewage precipitation is properly treated to be used as an aerobic composting raw material; adding leachate generated by aerobic composting into a sewage treatment system for on-site treatment. The invention can prevent the discharge of odor, percolate and excess sludge, has no secondary pollutant, low comprehensive treatment cost, energy saving and environmental protection, and is particularly suitable for being applied in cold regions in rural areas.
Description
Technical field
The present invention relates to environmental pollutant processing technology field, especially relate to the Pollutant Treatment technical field of cold district, rural area.
Background technology
City is concentrated because of densely populated, living quarters, can provide the service that refuse collection, refuse classification and rubbish focus on, and has the blowdown pipe network spreading all over city and the sewage treatment facility concentrated to purify sewage.But Rural areas is limited by the restriction of regional environment, if rubbish and sewage realize categorised collection and focus on needing to drop into a huge sum of money, more difficult execution, therefore also result in country sewage and the day by day serious problem of living garbage pollution.
In residents in rural community, more than 50% is organic waste, and this part rubbish is generally used for compost treatment and carries out recycling.Compost utilizes microorganism under certain humiture and pH condition, organic waste carried out the process of biochemical degradation, have a large amount of heat release in this course.Conventional composting process can ignore the utilization of this part heat, causes the waste of energy.Meanwhile, the problem of percolate and foul smell can be produced in organic waste composting process, cause secondary pollution.
Conventional sewage disposal technology mainly comprises A
2o method, SBR method, oxidation ditch process, MBR method, biological contact oxidation process etc., these technology have stronger contaminant degradation ability at normal temperatures, but, in northern China cold district, winter, sewage temperature was generally between 5 ~ 10 DEG C, so low temperature causes microorganism active greatly to reduce, and makes sewage treating efficiency low, easily causes water outlet not up to standard.Also can produce a large amount of excess sludge in sewage treatment process, need extra infusion of financial resources and equipment to carry out reprocessing.
In traditional environmental improvement pattern, the separately process of sewage and domestic refuse, also can increase capital cost and working cost while causing secondary pollution problem.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cold district sewage rubbish integral treatment method, prior art sanitary sewage and the organic waste problem that separately process generation secondary pollution is high with process total cost can be solved, sanitary sewage and organic waste can be processed simultaneously, processing cost is low, non-secondary pollution produce are raw, can recycling treatment be realized, especially be applicable to the application of cold district, rural area.
Present invention also offers a kind of cold district sewage rubbish integrated treatment unit, sanitary sewage and organic waste can be received both rear realizations interstitial, can transmit, reach the effect simultaneously processed, input cost is low, operational efficiency is high, recycling treatment can be realized to pollutent, energy-conserving and environment-protective, are especially applicable to the application of cold district, rural area.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of cold district sewage rubbish integral treatment method, comprise: by the process of laggard for organic waste pre-treatment row compost treatment and the process of sanitary sewage being carried out biochemical treatment, the waste heat collecting composting process generation is the biochemical treatment process insulation of sewage by heat-transfer system, collect the foul smell that composting process produces to be passed in sewage by supply air system and carry out biochemical treatment, collect percolate that composting process produces and mix with sewage and carry out biochemical treatment;
The sewage completed through biochemical treatment precipitates, obtain supernatant liquor and mud, supernatant liquor is recycling after sterilization, is back to by partial sludge in biochemical treatment system, proceed biochemical treatment to maintain enough microorganism concns, excess sludge uses as the raw material of compost after modifier treatment.
Further, described organic waste comprises organic sexual life rubbish and feces of livestock and poultry, its pretreatment process is: in described organic waste, be mixed into the appropriate plant auxiliary material pulverized as compost material, adjust its water ratio 50% ~ 60%, organic content 20% ~ 80%, carbon nitrogen ratio be between 25% ~ 50%, and add appropriate decomposing microbial inoculum, mixing.
Further, described biochemical wastewater treatment adopts suspension ball microbial film treatment process, namely utilizes the pollutent in the microbial film degradation water be fixed on suspension ball filler.
Further, biochemical processing procedure of sewage and organic waste composting process are by supply air system intermittent type oxygen gas-supplying.
Further, after described percolate mixes with sewage, first carry out the well-balanced adjustment of water quality and quantity, then carry out biochemical treatment; Described supernatant liquor through sterilization after for agricultural irrigation.
Preferably, described foul smell adopts negative pressure form to pass into biochemical wastewater treatment system through supply air system.
A kind of cold district sewage rubbish integrated treatment unit, comprise sewage regulating tank, aerobic compost groove, biochemical sewage groove and settlement of sewage groove, be provided with thermal conductivity between described biochemical sewage groove and aerobic compost groove, for by aerobic compost groove compost produce heat conduction to biochemical sewage groove;
Described sewage regulating tank is provided with water inlet pipe, the percolate produced for sanitary sewage or compost flows in sewage regulating tank, by crossing cross current between sewage regulating tank and biochemical sewage groove, for importing in biochemical sewage groove through the sewage of homogeneous in sewage regulating tank, described biochemical sewage groove is communicated with by water shoot with between settlement of sewage groove, for the muddy water mixed solution after biochemical treatment is imported in settlement of sewage groove, also mud return line is provided with between described settlement of sewage groove and biochemical sewage groove, for by settlement of sewage groove after mud-water separation gained partial sludge foldback return biochemical sewage groove, described settlement of sewage groove is provided with rising pipe, for by settlement of sewage groove after mud-water separation gained clear liquid discharging go out groove,
Be provided with the compost aeration tube be communicated with air-supply arrangement in described aerobic compost groove, be provided with biochemical aeration pipe in described biochemical sewage groove, the air intake vent of described biochemical aeration pipe is positioned at aerobic compost groove, described air-supply arrangement intermittent operation.
Further, described aerobic compost groove is ring structure, and described sewage regulating tank, biochemical sewage groove and settlement of sewage groove are all adjacent with aerobic compost groove, separates and by cell wall heat conduction between each adjacent cell body with cell wall.
Preferably, described biochemical sewage slot is in the inner side of aerobic compost groove, and described sewage regulating tank and settlement of sewage slot are in the outside of aerobic compost groove.
Preferably, described biochemical sewage groove is the hollow cylinder structure matched with aerobic compost groove internal diameter; Described sewage regulating tank and settlement of sewage groove are the deep-slotted chip breaker matched with aerobic compost groove external diameter, the looping and two cell body first places connect.
The beneficial effect adopting the inventive method to produce is:
1) in the inventive method, organic waste adopts composting process, and sewage adopts biochemical treatment process, and two kinds of methods are share simple and are easy to grasp, and operational condition requires low, is convenient to implement;
2) waste gas produced in the inventive method composting process and waste liquid are conducted in biochemical sewage process and process, the mud produced in biochemical sewage process can as the raw material of compost, achieve the combination of two treating processess, make the result non-secondary pollution produce of whole process raw, reach optimum recycling treatment, significantly reduce the comprehensive treating process cost of organic waste and sewage, Pollutant Treatment successful;
3) the inventive method can be run on a small scale, can implement on the spot according to contamination sources, Infrastructure less investment, is suitable for Rural areas application;
4) composting process heat production is taken full advantage of in the inventive method, use it for and make it keep operating in the optimal temperature of biochemical treatment to sewage heating, ensure high biochemical efficiency, after process, water quality is more easily up to standard, shorten the sewage disposal time, effectively can reduce energy consumption, energy-conserving and environment-protective, be suitable for cold district application.
The beneficial effect adopting apparatus of the present invention to produce is:
1) the present invention can carry out the compost treatment of organic waste and the biochemical treatment of sewage simultaneously, the transmission of waste gas, percolate and heat energy in two treating processess can be realized, compost waste heat can be utilized for sewage heating and thermal insulation, reduce sewage disposal power consumption, waste gas, percolate are through being delivered to sewage treatment process through biochemical treatment, the raw material that mud also can be used as compost after treatment adds the process of compost groove, application apparatus of the present invention can realize the recycling treatment of organic waste and sewage, non-secondary pollution produce are raw, and processing cost is low;
2) apparatus of the present invention sewage regulating tank and settlement of sewage groove are positioned at the outside of biochemical sewage groove ringwise, sewage treatment facility floor space is little and concentrated, effectively reduces the cost of floor space of device, little on surrounding enviroment impact, can miniaturization implement, the scope of application is wider;
3) the cell wall structure of apparatus of the present invention arc is beneficial to the heat transfer area increased between each cell body, and improve heat transfer efficiency, heat conduction cost is lower, and heat utilization rate is higher;
4) apparatus of the present invention adopt trough body structure, and structure is simple, easily manufactured, low cost of manufacture, and operation and maintenance is simple, are especially applicable to the application of cold district, rural area.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the diagrammatic cross-section of Fig. 1 shown device along AA face;
Fig. 3 is the diagrammatic cross-section of Fig. 1 shown device along BB face;
Fig. 4 is the diagrammatic cross-section of Fig. 1 shown device along CC face;
Wherein, 1, sewage regulating tank; 2, aerobic compost groove; 3, biochemical sewage groove; 4, settlement of sewage groove; 5, water inlet pipe; 6, water pipe is crossed; 7, water shoot; 8, mud return line; 9, rising pipe; 10, compost aeration tube; 11, biochemical aeration pipe.
Embodiment
In order to solve prior art sanitary sewage and the organic waste problem that separately process generation secondary pollution is high with process total cost, the invention provides a kind of cold district sewage rubbish integral treatment method and device, sanitary sewage and organic waste can be processed simultaneously, processing cost is low, non-secondary pollution produce are raw, can recycling treatment be realized, especially be applicable to the application of cold district, rural area.
The inventive method comprises: by the process of laggard for organic waste pre-treatment row compost treatment and the process of sanitary sewage being carried out biochemical treatment, the waste heat collecting composting process generation is the biochemical treatment process insulation of sewage by heat-transfer system, collect the foul smell that composting process produces to be passed in sewage by supply air system and carry out biochemical treatment, collect percolate that composting process produces and mix with sewage and carry out biochemical treatment; The foul smell that compost produces draws through blower fan delivers to the process of sewage mesophytization, can either provide oxygen, can remove again the odorous gas such as hydrogen sulfide, ammonia in gas for the biochemical treatment of sewage;
The sewage completed through biochemical treatment precipitates, obtain supernatant liquor and mud, supernatant liquor is recycling after sterilization, is back to by partial sludge in biochemical treatment system, proceed biochemical treatment to maintain enough microorganism concns, excess sludge uses as the raw material of compost after modifier treatment.
Organic waste comprises organic sexual life rubbish and feces of livestock and poultry, its pretreatment process is: in described organic waste, be mixed into the appropriate plant auxiliary material pulverized as compost material, adjust its water ratio 50% ~ 60%, organic content 20% ~ 80%, carbon nitrogen ratio be between 25% ~ 50%, and add appropriate decomposing microbial inoculum, mixing.
Biochemical wastewater treatment adopts suspension ball microbial film treatment process, namely utilizes the pollutent in the microbial film degradation water be fixed on suspension ball filler.
Biochemical processing procedure of sewage and organic waste composting process are by supply air system intermittent type oxygen gas-supplying.
First carry out the well-balanced adjustment of water quality and quantity after percolate mixes with sewage, then carry out biochemical treatment; Supernatant liquor through sterilization after for agricultural irrigation.
Foul smell employing negative pressure form passes into the sewage in biochemical treatment through supply air system.
Below in conjunction with the drawings and specific embodiments, apparatus of the present invention are described in further detail.
A kind of cold district sewage rubbish integrated treatment unit, comprise sewage regulating tank 1, aerobic compost groove 2, biochemical sewage groove 3 and settlement of sewage groove 4, be provided with thermal conductivity between biochemical sewage groove 3 and aerobic compost groove 2, for by aerobic compost groove 2 compost produce heat conduction to biochemical sewage groove 3;
Sewage regulating tank 1 is provided with water inlet pipe 5, the percolate produced for sanitary sewage or compost flows in sewage regulating tank 1, be communicated with by crossing water pipe 6 between sewage regulating tank 1 with biochemical sewage groove 3, for importing in biochemical sewage groove 3 through the sewage of homogeneous in sewage regulating tank 1, be communicated with by water shoot 7 between biochemical sewage groove 3 with settlement of sewage groove 4, for the muddy water mixed solution after biochemical treatment is imported in settlement of sewage groove 4, mud return line 8 is also provided with between settlement of sewage groove 4 and biochemical sewage groove 3, for by settlement of sewage groove 4 after mud-water separation gained partial sludge foldback return biochemical sewage groove 3, settlement of sewage groove 4 is provided with rising pipe 9, for by settlement of sewage groove 4 after mud-water separation gained clear liquid discharging go out groove,
Be provided with the compost aeration tube 10 be communicated with air-supply arrangement in aerobic compost groove 2, be provided with biochemical aeration pipe 11 in biochemical sewage groove 3, the air intake vent of biochemical aeration pipe 11 is positioned at aerobic compost groove 2, air-supply arrangement intermittent operation.
To the further improvement of this device, aerobic compost groove 2 is ring structure, and sewage regulating tank 1, biochemical sewage groove 3 and settlement of sewage groove 4 are all adjacent with aerobic compost groove 2, separates and by cell wall heat conduction between each adjacent cell body with cell wall.
To the further improvement of this device, biochemical sewage groove 3 is positioned at the inner side of aerobic compost groove 2, and sewage regulating tank 1 and settlement of sewage groove 4 are positioned at the outside of aerobic compost groove 2.
To the further improvement of this device, biochemical sewage groove 3 is the hollow cylinder structure matched with aerobic compost groove 2 internal diameter; Sewage regulating tank 1 and settlement of sewage groove 4 are the deep-slotted chip breaker matched with aerobic compost groove 2 external diameter, the looping and two cell body first places connect.
To the further improvement of this device, aerobic compost groove 2 is 5:1 or 6:1 with the volume ratio of biochemical sewage groove 3.
The workflow of apparatus of the present invention is: the percolate that sanitary sewage and compost produce flows into sewage regulating tank 1 through water inlet pipe 5, carries out the well-balanced adjustment of water quality and quantity at this.Sewage regulating tank 1 water outlet flows into biochemical sewage groove 3 through water pipe 6, and what biochemical wastewater treatment adopted is suspension ball microbial film treatment process, and the pollutent be fixed in the microbial film degradation water on suspension ball filler makes it finally be converted into CO
2and H
2o etc., in this course by biochemical aeration pipe 11 oxygen gas-supplying.Aerating apparatus periodic running, to ensure that system can realize denitrogenation dephosphorizing simultaneously.Water outlet enters settlement of sewage groove 4 through water shoot 7 and carries out mud-water separation, and supernatant liquor discharges through water shoot 7, more sterile-processed after carry out agricultural irrigation, in order to maintain constant microorganism concn, partial sludge is back to biochemical sewage groove 3 through mud return line 8.Organic domestic refuse, feces of livestock and poultry etc. are mixed into the appropriate plant auxiliary material (adjusting its moisture content) pulverized, join aerobic compost groove 2, appropriate decomposing microbial inoculum can be added depending on particular case, by the intermittent oxygen gas-supplying of compost aeration tube 10, complete aerobic composting process, the heat that its composting process produces can pass to biochemical sewage groove, can improve sewage temperature cold season, and then improves wastewater purification efficiency.The foul smell that aerobic composting process produces introduces biochemical sewage groove 3 through biochemical aeration pipe 11, can reach deodorization and the object of oxygen gas-supplying.
According to the requirement of effluent quality, apparatus of the present invention can also increase land percolation system as advanced treatment unit.
Claims (10)
1. a cold district sewage rubbish integral treatment method, it is characterized in that: comprising: by the process of laggard for organic waste pre-treatment row compost treatment and the process of sanitary sewage being carried out biochemical treatment, the waste heat collecting composting process generation is the biochemical treatment process insulation of sewage by heat-transfer system, collect the foul smell that composting process produces to be passed in sewage by supply air system and carry out biochemical treatment, collect percolate that composting process produces and mix with sewage and carry out biochemical treatment;
The sewage completed through biochemical treatment precipitates, obtain supernatant liquor and mud, supernatant liquor is recycling after sterilization, is back to by partial sludge in biochemical treatment system, proceed biochemical treatment to maintain enough microorganism concns, excess sludge uses as the raw material of compost after modifier treatment.
2. a kind of cold district according to claim 1 sewage rubbish integral treatment method, it is characterized in that, described organic waste comprises organic sexual life rubbish and feces of livestock and poultry, its pretreatment process is: in described organic waste, be mixed into the appropriate plant auxiliary material pulverized as compost material, adjust its water ratio 50% ~ 60%, organic content 20% ~ 80%, carbon nitrogen ratio be between 25% ~ 50%, and add appropriate decomposing microbial inoculum, mixing.
3. a kind of cold district according to claim 1 sewage rubbish integral treatment method, is characterized in that, described biochemical wastewater treatment adopts suspension ball microbial film treatment process, namely utilizes the pollutent in the microbial film degradation water be fixed on suspension ball filler.
4. a kind of cold district according to claim 3 sewage rubbish integral treatment method, is characterized in that, biochemical processing procedure of sewage and organic waste composting process are by supply air system intermittent type oxygen gas-supplying.
5. a kind of cold district according to claim 1 sewage rubbish integral treatment method, is characterized in that, first carry out the well-balanced adjustment of water quality and quantity after described percolate mixes with sewage, then carry out biochemical treatment; Described supernatant liquor through sterilization after for agricultural irrigation.
6. a kind of cold district according to claim 1 sewage rubbish integral treatment method, is characterized in that, described foul smell adopts negative pressure form to pass into biochemical wastewater treatment system through supply air system.
7. a cold district sewage rubbish integrated treatment unit, it is characterized in that: comprise sewage regulating tank (1), aerobic compost groove (2), biochemical sewage groove (3) and settlement of sewage groove (4), thermal conductivity is provided with, for the heat conduction that interior for aerobic compost groove (2) compost produced to biochemical sewage groove (3) between described biochemical sewage groove (3) and aerobic compost groove (2);
Described sewage regulating tank (1) is provided with water inlet pipe (5), the percolate produced for sanitary sewage or compost flows in sewage regulating tank (1), be communicated with by crossing water pipe (6) between sewage regulating tank (1) with biochemical sewage groove (3), for importing in biochemical sewage groove (3) through the sewage of homogeneous in sewage regulating tank (1), described biochemical sewage groove (3) is communicated with by water shoot (7) with between settlement of sewage groove (4), for the muddy water mixed solution after biochemical treatment is imported in settlement of sewage groove (4), mud return line (8) is also provided with between described settlement of sewage groove (4) and biochemical sewage groove (3), for by settlement of sewage groove (4) after mud-water separation gained partial sludge foldback return biochemical sewage groove (3), described settlement of sewage groove (4) is provided with rising pipe (9), for by settlement of sewage groove (4) after mud-water separation gained clear liquid discharging go out groove,
The compost aeration tube (10) be communicated with air-supply arrangement is provided with in described aerobic compost groove (2), biochemical aeration pipe (11) is provided with in described biochemical sewage groove (3), the air intake vent of described biochemical aeration pipe (11) is positioned at aerobic compost groove (2), described air-supply arrangement intermittent operation.
8. a kind of cold district according to claim 7 sewage rubbish integrated treatment unit, it is characterized in that, described aerobic compost groove (2) is ring structure, described sewage regulating tank (1), biochemical sewage groove (3) and settlement of sewage groove (4) are all adjacent with aerobic compost groove (2), separate and by cell wall heat conduction between each adjacent cell body with cell wall.
9. a kind of cold district according to claim 8 sewage rubbish integrated treatment unit, it is characterized in that, described biochemical sewage groove (3) is positioned at the inner side of aerobic compost groove (2), and described sewage regulating tank (1) and settlement of sewage groove (4) are positioned at the outside of aerobic compost groove (2).
10. a kind of cold district according to claim 9 sewage rubbish integrated treatment unit, is characterized in that, described biochemical sewage groove (3) is the hollow cylinder structure matched with aerobic compost groove (2) internal diameter; Described sewage regulating tank (1) and settlement of sewage groove (4) are the deep-slotted chip breaker matched with aerobic compost groove (2) external diameter, the looping and two cell body first places connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610047282.XA CN105502850B (en) | 2016-01-25 | 2016-01-25 | Integrated treatment method and device for sewage and garbage in cold region |
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| CN201610047282.XA CN105502850B (en) | 2016-01-25 | 2016-01-25 | Integrated treatment method and device for sewage and garbage in cold region |
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| CN105502850A true CN105502850A (en) | 2016-04-20 |
| CN105502850B CN105502850B (en) | 2019-01-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658636A (en) * | 2017-12-13 | 2018-10-16 | 中山市和智电子科技有限公司 | A kind of sludge treatment equipment based on compost reaction unit |
| CN109133545A (en) * | 2018-11-05 | 2019-01-04 | 宇恩环境工程有限公司 | A kind of domestic garbage burning electricity generation clinker head-tank stratification purification wastewater treatment equipment |
| CN109553182A (en) * | 2017-09-25 | 2019-04-02 | 深圳市清川美地环境科技有限公司 | A kind of organic solid waste liquid in rural area gives up circulating treating system and method |
| CN110845078A (en) * | 2019-11-14 | 2020-02-28 | 广东威特雅环境科技有限公司 | Adjustable integrated garbage transfer station leachate treatment system and process |
| CN111389217A (en) * | 2020-04-27 | 2020-07-10 | 东北大学 | System and method for cooperatively treating leachate of ultrahigh-temperature sludge compost and odor |
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| JP2003026491A (en) * | 2001-07-10 | 2003-01-29 | Naoyoshi Kayama | Method of manufacturing odorless organic fertilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109553182A (en) * | 2017-09-25 | 2019-04-02 | 深圳市清川美地环境科技有限公司 | A kind of organic solid waste liquid in rural area gives up circulating treating system and method |
| CN108658636A (en) * | 2017-12-13 | 2018-10-16 | 中山市和智电子科技有限公司 | A kind of sludge treatment equipment based on compost reaction unit |
| CN109133545A (en) * | 2018-11-05 | 2019-01-04 | 宇恩环境工程有限公司 | A kind of domestic garbage burning electricity generation clinker head-tank stratification purification wastewater treatment equipment |
| CN110845078A (en) * | 2019-11-14 | 2020-02-28 | 广东威特雅环境科技有限公司 | Adjustable integrated garbage transfer station leachate treatment system and process |
| CN110845078B (en) * | 2019-11-14 | 2021-10-29 | 广东威特雅环境科技有限公司 | Adjustable integrated garbage transfer station leachate treatment system and process |
| CN111389217A (en) * | 2020-04-27 | 2020-07-10 | 东北大学 | System and method for cooperatively treating leachate of ultrahigh-temperature sludge compost and odor |
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