CN108585407A - A kind of more technologies coupling bio-toilet fecaluria processing system and method turning to core with subcritical water hydrothermal solution - Google Patents
A kind of more technologies coupling bio-toilet fecaluria processing system and method turning to core with subcritical water hydrothermal solution Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000012545 processing Methods 0.000 title claims abstract description 65
- 206010059410 Faecaluria Diseases 0.000 title claims abstract description 43
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 title claims abstract description 5
- 238000010168 coupling process Methods 0.000 title claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 5
- 210000002700 urine Anatomy 0.000 claims abstract description 105
- 239000000463 material Substances 0.000 claims abstract description 89
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 238000007908 dry granulation Methods 0.000 claims abstract description 55
- 239000007787 solid Substances 0.000 claims abstract description 50
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 claims abstract description 43
- 239000000126 substance Substances 0.000 claims abstract description 43
- 238000002425 crystallisation Methods 0.000 claims abstract description 22
- 230000008025 crystallization Effects 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 22
- 229910052567 struvite Inorganic materials 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 19
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 25
- 239000003546 flue gas Substances 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 22
- 239000012141 concentrate Substances 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 210000003608 fece Anatomy 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 13
- 239000005416 organic matter Substances 0.000 claims description 12
- 239000003337 fertilizer Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000013268 sustained release Methods 0.000 claims description 6
- 239000012730 sustained-release form Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000001223 reverse osmosis Methods 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 238000000265 homogenisation Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000005469 granulation Methods 0.000 claims 1
- 230000003179 granulation Effects 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 11
- 230000006641 stabilisation Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 244000052769 pathogen Species 0.000 description 11
- 230000001717 pathogenic effect Effects 0.000 description 10
- 230000003115 biocidal effect Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 238000004148 unit process Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000002779 inactivation Effects 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 150000003384 small molecules Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
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- 238000003860 storage Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
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- 239000008107 starch Substances 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of bio-toilet fecaluria treatment process system and methods for the more technologies coupling turning to core with subcritical water hydrothermal solution; belong to chemical industry and environmental technology field, including material buffer tank, subcritical hydrothermal liquefaction unit, dry granulation unit, high temperature anaerobic unit, biogas utilization unit, combined films technique unit, equipment for separating liquid from solid, struvite crystallization unit, urine buffer tank and air processing unit.The present invention utilizes realization thermal balance with subcritical hydrothermal liquefaction technological core, in combination with high temperature anaerobic technique, methane recovery；Based on combined films technique unit stalling characteristic, it is ensured that the biological safety that production water afforestation uses.The innoxious stabilization of excrement substance turns to organic fertilizer, nitrogen phosphorus is recycled in the form of guanite in urine, water recycling after harmless treatment is afforestation water in excrement, urine, foul smell is via high temperature burning handling, the harmlessness disposing of gas, liquid, solid is realized, there is good environmental benefit and economic benefit.
Description
Technical field
The invention belongs to chemical industry and environmental technology fields, and in particular to a kind of more skills turning to core with subcritical water hydrothermal solution
Art couples bio-toilet fecaluria processing system and method.
Background technology
China human mortality is numerous, with the improvement of living standards, increasing by the excrement amount that city generates, many cities are
Through the processing for starting attention excrement.The past excrement overwhelming majority is transported to agricultural production etc. and is used as fertilizer application.As agricultural is raw
The agricultural production efficiency of the scale operation of production, excrement is relatively low, and a large amount of uses of chemical fertilizer and many big city health are anti-in addition
The requirement of epidemic disease, excrement cannot directly apply fertilizer without curing, therefore the receiving amount of excrement is increasingly reduced.
The substances such as inorganic nitrogen, Phos containing multiple pollutant and variform in excrement urine, without being effectively treated
It is discharged directly into nature field, pollution and the eutrophication of natural water is easily caused, seriously affects the ecological balance of water body；
Because containing abundant organic matter, the often hotbed of the disease vectors such as mosquito, fly, mouse in excrement urine；Contain in excrement urine
Multiple pathogens are the one of the major reasons for causing popular infectious disease；A large amount of organic matters are also easy to produce more after rotting in excrement urine
Kind pernicious gas, is one of the main source of city stench.Excrement, urine are typical dislocation resources simultaneously, are effectively located
Reason can not only be eliminated there are potential environment and health risk, reach minimizing, innoxious, stabilized handle demand, and can
Realize the recycling of the energy and resource.
But the processing of domestic excrement urine mostly uses bioanalysis (aerobic activated sludge process, high temperature high-rate composting at present
Deng), the innoxious efficiency of traditional treatment technology is low, long processing period, and there are prodigious environment and health risks.
Therefore, there is an urgent need for one kind can solve city fecaluria environment storage rate it is low, it is innoxious be not thorough, resource utilization efficiency
The processing system and technique of low problem.
Invention content
The purpose of the present invention is to provide a kind of more technologies turning to core with subcritical water hydrothermal solution to couple bio-toilet excrement
Processing system and method are urinated, new way is opened up for fecaluria harmlessness disposing and recycling, realizes the innoxious, steady of city fecaluria
Fixedization and recycling treatment eliminate ecological safety risk existing for fecaluria, improve ecological environment, while to promoting fecaluria money
The sustainable use in source has very important significance.
The present invention is to be achieved through the following technical solutions：
A kind of more technologies turning to core with subcritical water hydrothermal solution disclosed by the invention couple bio-toilet fecaluria processing system
System, including material buffer tank, subcritical hydrothermal liquefaction unit, dry granulation unit, high temperature anaerobic unit, biogas utilization unit,
Combined films technique unit, equipment for separating liquid from solid, struvite crystallization unit, urine buffer tank and air processing unit；
Material buffer tank, subcritical hydrothermal liquefaction unit, dry granulation unit and high temperature anaerobic unit by pipeline successively
Connection, the gas vent of high temperature anaerobic unit are connect with biogas utilization unit；The high-temperature flue gas that biogas utilization unit generates is successively
After dry granulation unit and high temperature anaerobic unit utilize, it is recycled to air processing unit；Urine buffer tank, struvite crystallization list
Member, equipment for separating liquid from solid and combined films technique unit are sequentially connected by pipeline；The concentrate outlet of combined films technique unit connects
It is connected to material buffer tank, water for afforestation is arranged outside liquid outlet；
When excrement substance and urine are separately handled, excrement substance is collected in material buffer tank, and urine collecting is in urine
In buffer tank, the liquid outlet of high temperature anaerobic unit is connect with combined films technique unit；
When excrement substance and urine mixed processing, slurry of feces and urine is collected in material buffer tank, high temperature anaerobic unit
Liquid outlet connect with urine buffer tank.
Preferably, further include the pipeline for being directly connected to subcritical hydrothermal liquefaction unit with high temperature anaerobic unit, part object
Material is fed directly to high temperature anaerobic unit by the pipeline, in high temperature anaerobic unit, organic nutrient substance is added, such as starch, second
Acid, methanol etc..
Preferably, subcritical hydrothermal liquefaction unit is connected to the heat source import and export of biogas utilization unit, subcritical water hydrothermal solution
Change unit process institute's calorific requirement to be provided by biogas utilization unit；Or：Subcritical hydrothermal liquefaction unit process institute calorific requirement is by height
Warm anaerobic unit and the energy recovery of biogas utilization unit composition are provided using system；Alternatively, subcritical hydrothermal liquefaction unit is anti-
Institute's calorific requirement is answered to be provided by the energy resource system that biogas utilization unit combination solar energy, electric energy form.
Preferably, the gas that the gas in material buffer tank is generated with lavatory ventilation is sent to biogas utilization unit through wind turbine
In.
Preferably, biogas utilization unit is heat conducting oil boiler or steam boiler, to realize to subcritical hydrothermal liquefaction unit
Carry out thermal output；The combined films of combined films technique unit are by NF membrane, ultrafiltration membrane and two or three group therein of reverse osmosis membrane
At, or use other that can meet the technique that organic matter is efficiently separated with inorganic salts.
The invention also discloses couple bio-toilet excrement based on the above-mentioned more technologies for turning to core with subcritical water hydrothermal solution
The method for urinating processing system processing fecaluria, when the treating material stored in material buffer tank is excrement substance, including it is following
Step：
1) excrement substance is transported to material buffer tank and carries out precrushing, homogenization, its moisture content and viscosity is made to meet
Defeated condition is pumped, and it is 7.5~12 to adjust pH value, obtains homogenous mass；
2) homogenous mass is delivered to subcritical hydrothermal liquefaction unit, dry grain is entered after being handled at 180 DEG C~260 DEG C
Change unit, through dry granulation unit be separated by solid-liquid separation and the dry granulation of solid matter is handled, the solid state substrate of generation is to have
Machine fertilizer；The separation water and condensed water of generation enter high temperature anaerobic unit；
It is 7.5~12 that reaction condition, which is pH value, in subcritical hydrothermal liquefaction unit, and temperature is 180~260 DEG C, will be in fecaluria
There are the substances that ecological safety threatens for pathogen, left drug and antibiotic etc., and inactive is decomposed into molecular level
Small-molecule substance realizes innoxious, stabilisation；
3) in high temperature anaerobic unit, the organic matter in separation water reacts at 55 ± 5 DEG C is converted into CH4, CH4Into natural pond
Gas utilizes unit；The reaction water outlet of high temperature anaerobic unit enters combined films technique unit, after membrane process filtration processing, obtains garden
Woods greening water；
4) biogas utilization unit generates high-temperature flue gas and is transported to dry granulation unit, the heat as dry granulation unit
Source, heat source of the low-temperature flue gas through the cooling of dry granulation unit as high temperature anaerobic unit, flue gas eventually enter into gas treatment list
Qualified discharge after member processing；
5) step 1) is repeated to step 4), until treating material is all disposed.
Preferably, when storing urine in urine buffer tank, include the following steps：
(1) urine is transported to urine buffer tank progress homogeneous and measures, and subsequently into struvite crystallization unit (8), is made
Guanite enters equipment for separating liquid from solid later, and isolating can be as the guanite of sustained release fertilizer；
(2) liquid that equipment for separating liquid from solid is isolated is delivered to combined films technique unit, is handled through membrane process filtration
To urine concentrate and filtrate, urine concentrate is transported in material buffer tank and is handled together with excrement substance, filtrate
As water for afforestation.Alternatively, the post-processing of equipment for separating liquid from solid separating liquid, using chemical oxidation, electrochemical oxidation and its
His advanced treatment process, realizes the innoxious and disposal of resources of urine.
Preferably, when work, material buffer tank keeps negative-pressure operation, the foul smell on material buffer tank upper layer, lavatory ventilation production
Raw foul smell and air enters biogas utilization unit through wind turbine, and Odor control is carried out by burning in biogas utilization unit,
Generate CO2And H2O。
When the treating material stored in material buffer tank is slurry of feces and urine, include the following steps：
1) slurry of feces and urine is transported to material buffer tank and carries out precrushing, mixing homogeneous, makes the moisture content of mixed material
And viscosity meets the defeated condition of pump, and it is 7.5~12 to adjust pH value, obtains homogenous mass；
2) homogenous mass is delivered to subcritical hydrothermal liquefaction unit, dry grain is entered after being handled at 180 DEG C~260 DEG C
To change unit, carries out being separated by solid-liquid separation the dry granulation with solid matter through dry granulation unit, the solid state substrate of generation is organic fertilizer,
The separating liquid and condensed water of generation are transported to high temperature anaerobic unit；Organic matter is small organic molecule in separating liquid, biochemical
Property it is strong, for high temperature anaerobic unit efficient stable operation provide response matrix basis；
3) in high temperature anaerobic unit, the organic matter in separating liquid reacts at 55 ± 5 DEG C is converted into CH4With reflect
Water, CH4Into biogas utilization unit, CH4High-temperature flue gas is generated after biogas utilization unit process, high-temperature flue gas is as dry grain
The heat source for changing unit, heat source of the low-temperature flue gas through the cooling of dry granulation unit as high temperature anaerobic unit, flue gas eventually enter into
Qualified discharge after air processing unit processing；
4) the reaction water outlet of high temperature anaerobic unit is transported to urine buffer tank, enters guanite after homogeneous amount processing
Crystalline element processing, subsequently into equipment for separating liquid from solid, isolating can be as the guanite of sustained release fertilizer；The liquid isolated
Body enters combined films technique unit, after membrane process filtration processing, obtains urine concentrate and filtrate, filtrate is used as afforestation
With water, urine concentrate is transported in material buffer tank, together with the slurry of feces and urine in subsequent delivery to material buffer tank
It is sent into subcritical hydrothermal liquefaction unit and carries out harmless treatment；
In struvite crystallization unit, introduced by chemical methodMg2+；Control Mg2+Molar ratio forms struvite crystallization, and high-purity, highdensity guanite are obtained through being separated by solid-liquid separation；
5) step 1)~step 4) is repeated, until treating material is all disposed.
Preferably, when the homogenous mass in material buffer tank enters subcritical hydrothermal liquefaction unit process, to subcritical water
Catalyst and oxidant are added in hot liquefaction unit, through dry granulation unit be separated by solid-liquid separation after reaction and solid matter it is dry
The solid state substrate of dry granulated processed, generation is inorganic salts.
Compared with prior art, the present invention has technique effect beneficial below：
The bio-toilet fecaluria processing system of disclosure of the invention, turns to core, by subcritical with subcritical water hydrothermal solution
Hydrothermal liquefaction unit is directly connected to high temperature anaerobic unit so that the partial material of subcritical hydrothermal liquefaction unit can directly into
Enter high temperature anaerobic unit, organic matter is broken down into small organic molecule via subcritical hydrothermal liquefaction unit, has good life
The property changed ensure that the efficient stable operation of high temperature anaerobic unit, ensure CH in high temperature anaerobic unit4Gas production to having in material
The demand of machine quality.Subcritical hydrothermal liquefaction, which has, is based on subcritical water characteristic, and reaction speed is fast, innoxious thorough, can incite somebody to action
The harmful substances such as pathogen, left drug, antibiotic in fecaluria are thoroughly decomposed into the small of inactive in molecular level
Molecule provides bio-safety premise for the recycling of fecaluria, real in combination with high temperature anaerobic unit, biogas utilization unit
System heat balance is showed；Based on the excellent stalling characteristic of equipment for separating liquid from solid, it is ensured that produce the biology that the afforestation of water uses
Safety；Innoxious organic fertilizer or inorganic salts can also be generated after the separation of dry granulation unit, nitrogen phosphorus passes through birds droppings in urine
Stone crystalline element is recycled in the form of guanite, and water can be used as the use of afforestation water, money after harmless treatment in excrement matter, urine
Sourceization utilizes.
Further, the heat needed for subcritical hydrothermal liquefaction unit is provided by biogas utilization unit, or is detested by high temperature
Oxygen unit and biogas utilization unit form energy utilization system, provide heat output to subcritical hydrothermal liquefaction unit, realize
The energy of process system is controlled oneself.
The present invention is based on the methods that above system handles fecaluria, when what is stored in material buffer tank is excrement class object
Matter, when what is stored in urine buffer tank is urine, urine is passed through urine buffer tank, struvite crystallization unit, is separated by solid-liquid separation successively
After device, the processing of combined films technique unit, urine concentrate enters material buffer tank and passes through subcritical water together with excrement substance
After hot liquefaction unit, dry granulation unit, high temperature anaerobic cell processing, the separation of combined films technique unit is again passed by, after separation
Liquid can be used as water for afforestation, the urine concentrate of generation enters subcritical hydrothermal liquefaction list through material buffer tank again
Member carries out harmless treatment；The innoxious stabilization of excrement substance turns to organic fertilizer or inorganic salts, and nitrogen phosphorus is in the form of guanite in urine
Recycling, water recycling after harmless treatment is afforestation water in excrement matter, urine, gas via air processing unit at
Reason, realizes the harmlessness disposing of gas, liquid, solid.With processing is rapid, floor space is small, energy utilization efficiency is high, operating cost
Low, recycling degree height, by-product biological safety height, innoxious thorough advantage；Suitable for city, rural fecaluria substance
Harmless treatment.
The present invention is based on the methods that above system handles fecaluria, when what is stored in material buffer tank is fecaluria mixing
When object, slurry of feces and urine passes through material buffer tank, subcritical hydrothermal liquefaction unit, dry granulation unit, high temperature anaerobic list successively
After member, the processing of urine buffer tank, struvite crystallization unit, equipment for separating liquid from solid, combined films technique unit, the urine of generation concentrates
Object enters subcritical hydrothermal liquefaction unit through material buffer tank again and carries out harmless treatment；The innoxious stabilization of excrement substance turns to
Organic fertilizer or inorganic salts, nitrogen phosphorus is recycled in the form of guanite in urine, water recycling profit after harmless treatment in excrement matter, urine
With for afforestation water, gas is handled via air processing unit, realizes the harmlessness disposing of gas, liquid, solid.
Further, the foul smell divulged information from lavatory, material buffer tank generates is entered into biogas utilization unit with air, led to
It is mainly CO to cross high-temperature combustion product2And H2O realizes efficient, harmless treatment to foul smell.
Further, energy utilization system is formed using high temperature anaerobic unit and biogas utilization unit, to subcritical hydro-thermal
Liquefaction unit provides heat output, and the energy for realizing process system is controlled oneself.
It further, can be preferably by fecaluria by the way that catalyst and oxidant are added into subcritical hydrothermal liquefaction unit
In the harmful substances such as pathogen, left drug, antibiotic, after reaction after dry granulation cell processing, the solid-state base of generation
Matter is inorganic salts.
Description of the drawings
Fig. 1 is the system structure diagram of the embodiment of the present invention 1；
Fig. 2 is the system structure diagram of the embodiment of the present invention 2；
Fig. 3 is the system structure diagram of the embodiment of the present invention 3；
Fig. 4 is the system structure diagram of the embodiment of the present invention 4.
Wherein, 1 is material buffer tank；2 be subcritical hydrothermal liquefaction unit；3 be dry granulation unit；4 be high temperature anaerobic
Unit；5 be biogas utilization unit；6 be combined films technique unit；7 be equipment for separating liquid from solid；8 be struvite crystallization unit；9 are
Urine buffer tank；10 be air processing unit.
Specific implementation mode
With reference to specific accompanying drawings and embodiments, the present invention is described in further detail, and described is to the present invention
It explains rather than limits.
More technologies disclosed by the invention that core is turned to subcritical water hydrothermal solution couple bio-toilet fecaluria processing system, packet
Include material buffer tank 1, subcritical hydrothermal liquefaction unit 2, dry granulation unit 3, high temperature anaerobic unit 4, biogas utilization unit 5,
Combined films technique unit 6, equipment for separating liquid from solid 7, struvite crystallization unit 8, urine buffer tank 9 and air processing unit 10；
Material buffer tank 1, subcritical hydrothermal liquefaction unit 2, dry granulation unit 3 and high temperature anaerobic unit 4 pass through pipeline
It is sequentially connected, the gas vent of high temperature anaerobic unit 4 is connect with biogas utilization unit 5；The high temperature cigarette that biogas utilization unit 5 generates
Gas after dry granulation unit 3 and high temperature anaerobic unit 4 utilize, is recycled to air processing unit 10 successively；
Urine buffer tank 9, struvite crystallization unit 8, equipment for separating liquid from solid 7 and combined films technique unit 6 by pipeline according to
Secondary connection；The concentrated solution outlet of combined films technique unit 6 is connected to material buffer tank 1, the liquid outlet of combined films technique unit 6
Outer row's water for afforestation；
When excrement substance and urine are separately handled, excrement substance is collected in material buffer tank 1, and urine collecting is in urine
In buffer tank 9, the liquid outlet of high temperature anaerobic unit 4 is connect with combined films technique unit 6；
When excrement substance and urine mixed processing, slurry of feces and urine is collected in material buffer tank 1, high temperature anaerobic unit
4 liquid outlet is connect with urine buffer tank 9.
The energy recovery profit that subcritical 2 heat source of hydrothermal liquefaction unit is made of high temperature anaerobic unit 4 and biogas utilization unit 5
It is provided with system, realizes that system capacity is controlled oneself.
Further include the pipeline for being directly connected to subcritical hydrothermal liquefaction unit 2 with high temperature anaerobic unit 4, subcritical water hydrothermal solution
Change 2 partial material of unit and be directly entered high temperature anaerobic unit 4, ensures CH in high temperature anaerobic unit4Gas production to organic quality,
The demand of temperature 50 C~60 DEG C.
Organic matter is small organic molecule in the separating liquid of subcritical hydrothermal liquefaction unit 2 and dry granulation unit 3, can be given birth to
The property changed is strong, ensure that the efficient stable operation of high temperature anaerobic unit 4.
Struvite crystallization unit 8 is introduced by chemical methodMg2+；Pass through controlMg2+Molar ratio makes the elements such as N, P in urine form struvite crystallization, through equipment for separating liquid from solid 7
High-purity, highdensity guanite are obtained, the guanite after separation is a kind of excellent sustained release fertilizer.
NF membrane, ultrafiltration membrane and two or three therein of reverse osmosis membrane can be used in combined films technique unit 6 so that combination
Membrane process unit 6 has excellent stalling characteristic.Urine concentrate after combined membrane process unit 6 detaches enters subcritical water
Hot liquefaction unit 2 carries out harmlessness disposing, it is ensured that pathogen, the harmlessness disposing efficiency of residual antibiotic in urine.
Embodiment 1
Referring to Fig. 1, bio-toilet fecaluria processing system of the invention, for the case where be：Excrement substance is distinguished with urine
Processing, i.e., what is stored in material buffer tank 1 is excrement substance, and what is stored in urine buffer tank 9 is urine.
Include the material buffer tank 1 being connected to lavatory or fecaluria pond, subcritical hydrothermal liquefaction unit 2, dry granulation unit
3, high temperature anaerobic unit 4, biogas utilization unit 5, combined films technique unit 6, equipment for separating liquid from solid 7, struvite crystallization unit 8,
Urine buffer tank 9 and air processing unit 10.
Material buffer tank 1, subcritical hydrothermal liquefaction unit 2, dry granulation unit 3, high temperature anaerobic unit 4 and biogas utilization
Unit 5 is sequentially connected by pipeline, urine buffer tank 9, struvite crystallization unit 8, equipment for separating liquid from solid 7 and combination membrane process list
Member 6 is sequentially connected by pipeline, and high temperature anaerobic unit 4 is connect with air processing unit 10；High temperature anaerobic unit 4 and combined films work
Skill unit 6 connects, and combined films technique unit 6 is connect with material buffer tank 1.
It is specially using the method that the present embodiment system handles fecaluria：
Excrement substance, urine concentrate enter material buffer tank 1, carry out precrushing, mixing homogeneous, keep mixed material aqueous
Rate and viscosity, which meet, pumps defeated condition；Homogenous mass in material buffer tank 1 enters subcritical hydrothermal liquefaction unit 2, subcritical water
It is 7.5-12 that reaction condition, which is pH, in hot liquefaction unit 2, and temperature is 180 DEG C~260 DEG C, by pathogen, left drug in fecaluria
And there are the substances that ecological safety threatens for antibiotic etc., and the small-molecule substance of inactive is decomposed into molecular level, realize
Innoxious, stabilisation；Enter dry granulation unit 3 through the innoxious mixed material of subcritical hydrothermal liquefaction unit 2, through dry grain
Change unit 3 to carry out being separated by solid-liquid separation the dry granulation with solid matter, the solid state substrate of generation is innoxious organic fertilizer, point of generation
Enter high temperature anaerobic unit 4 from water and condensed water；4 temperature of high temperature anaerobic unit is controlled at 50 DEG C~60 DEG C, in high temperature anaerobic list
Under the action of anaerobic methanogens in member 4, it converts the organic matter detached in water and condensed water to CH4, CH4Into biogas profit
It cached, purified and is comprehensively utilized with unit 5；
Urine enters the progress homogeneous of urine buffer tank 9 and measures, and subsequently into struvite crystallization unit 8, makes N, P in urine
Equal elements form guanite, are separated by solid-liquid separation later into equipment for separating liquid from solid 7, solid guanite is separated；Gu
7 separating liquid of liquid separating apparatus and the water outlet of high temperature anaerobic unit 4 enter combined films technique unit 6, realize in water outlet and contain Residual Disease
Substance, organic pollution urine concentrate separation, combined films technique unit 6 detach after water outlet can be used as afforestation use
Water, the urine concentrate of generation enter subcritical hydrothermal liquefaction unit 2 due to being rich in residual pathogen, through material buffer tank 1, after
It is continuous to carry out harmless treatment, with this reciprocation cycle.
The energy recovery profit that subcritical 2 heat source of hydrothermal liquefaction unit is made of high temperature anaerobic unit and biogas utilization unit 5
It is provided with system, realizes that system capacity is controlled oneself.
Subcritical 2 partial material of hydrothermal liquefaction unit is directly entered high temperature anaerobic unit 4, ensures in high temperature anaerobic unit 4
CH4Gas production is to organic quality, the demand of temperature 50 C~60 DEG C.
Organic matter is small organic molecule in the separating liquid of subcritical hydrothermal liquefaction unit 2 and dry granulation unit 3, can be given birth to
The property changed is strong, ensure that the efficient stable operation of high temperature anaerobic unit 4.
Struvite crystallization unit 8 is introduced by chemical methodMg2+；Pass through controlMg2+Molar ratio makes the elements such as N, P in urine form struvite crystallization, through equipment for separating liquid from solid 7
High-purity, highdensity guanite are obtained, the guanite after separation is a kind of excellent sustained release fertilizer.
NF membrane, ultrafiltration membrane and two or three therein of reverse osmosis membrane can be used in combined films technique unit 6 so that combination
Membrane process unit 6 has excellent stalling characteristic.Urine concentrate after combined films technique unit 6 detaches enters subcritical hydro-thermal
Liquefaction unit 2 carries out harmlessness disposing, it is ensured that pathogen, the harmlessness disposing efficiency of residual antibiotic in urine.
Material buffer tank 1 keep negative-pressure operation, upper layer foul smell with from lavatory ventilation generate foul smell, air through wind turbine into
Enter biogas utilization unit 5, Odor control is carried out by burning in biogas utilization unit 5, biogas is as clean energy resource, combustion product
Predominantly CO2And H2O, it is non-hazardous to environment.
Biogas utilization unit 5 uses heat conducting oil boiler or steam boiler, realizes low-voltage high-temperature thermal medium to subcritical water
Hot liquefaction unit 2 carries out thermal output；Heat source of the high-temperature flue gas that biogas utilization unit 5 generates as dry granulation unit 3, through dry
Heat source of the low-temperature flue gas that dry granulation unit 3 cools down as high temperature anaerobic unit 4, flue gas eventually enter at air processing unit 10
Qualified discharge after reason；By optimizing to methane utilizing system, the cascade utilization of energy is realized, energy is controlled oneself.
Chemistry can also be used other than using combined films technique unit 6 in the post-processing of 7 separating liquid of equipment for separating liquid from solid
Oxidation, electrochemical oxidation and other advanced treatment process, realize the innoxious and disposal of resources of urine.
Embodiment 2
The difference of the present embodiment and embodiment 1 is as shown in Fig. 2, specifically distinguish as follows：
Excrement substance, urine concentrate enter material buffer tank and carry out precrushing, mixing homogeneous, make mixed material moisture content
And viscosity meets the defeated condition that pumps, adjusting pH is 7.5~12.
When homogenous mass in material buffer tank 1 enters subcritical hydrothermal liquefaction unit 2, to subcritical hydrothermal liquefaction list
Catalyst and oxidant are added in member 2, controlled at 180 DEG C~260 DEG C, realizes the inactivations such as pathogen, it is thorough in molecular level
Bottom is decomposed into CO2。
The heat that biogas utilization unit 5 generates is other than supplying subcritical 2 calorific requirements of hydrothermal liquefaction unit, part biogas
It can be used for generating electricity, the purposes such as heat supply.
Enter dry granulation unit 3 through the innoxious mixed material of subcritical hydrothermal liquefaction unit 2, through dry granulation unit
3 carry out being separated by solid-liquid separation the dry granulation with solid matter, and the solid state substrate of generation is inorganic salts.
Embodiment 3
Referring to Fig. 3, unlike embodiment 1 and embodiment 2, the present embodiment for the case where be：In material buffer tank 1
Storage is slurry of feces and urine.
Material buffer tank 1, subcritical hydrothermal liquefaction unit 2, dry granulation unit 3, high temperature anaerobic unit 4, urine caching
Tank 9, struvite crystallization unit 8, equipment for separating liquid from solid 7 and combined films technique unit 6 are sequentially connected by pipeline, combine membrane process
Unit 6 is connect with material buffer tank 1；High temperature anaerobic unit 4 is also connect with air processing unit 10, biogas utilization unit 5 respectively.
Following steps are specifically included using the method that the present embodiment system handles slurry of feces and urine：
1) it is 7.5~12 that slurry of feces and urine, which enters material buffer tank 1 to carry out precrushing and mixing homogeneous, adjusting pH, makes to mix
It closes material water ratio and viscosity meets the defeated condition that pumps, acquisition homogenous mass；
2) homogenous mass in material buffer tank 1 enters subcritical hydrothermal liquefaction unit 2, and it is 7.5~12 to adjust pH, temperature
It is 180 DEG C~260 DEG C, realizes the inactivations such as pathogen, is decomposed into the small-molecule substance of inactive in molecular level, realizes nothing
Evilization and stabilisation；Enter dry granulation unit 3 through the innoxious mixed material of subcritical hydrothermal liquefaction unit 2, through dry grain
Change unit 3 to carry out being separated by solid-liquid separation the dry granulation with solid matter, the solid state substrate of generation is innoxious organic fertilizer, point of generation
Enter high temperature anaerobic unit 4 from water and condensed water；
3) 4 temperature of high temperature anaerobic unit is controlled at 50 DEG C~60 DEG C, the anaerobic methanogens in high temperature anaerobic unit 4
Under effect, it converts the organic matter detached in water and condensed water to CH4, CH4Cached into biogas utilization unit 5, purify and
Comprehensive utilization, CH4High-temperature flue gas, heat of the high-temperature flue gas as dry granulation unit 3 are generated after the reaction of biogas utilization unit 5
Source, heat source of the low-temperature flue gas to cool down through dry granulation unit 3 as high temperature anaerobic unit 4, flue gas eventually enter into gas treatment
Qualified discharge after the processing of unit 10；
4) the reaction water outlet of high temperature anaerobic unit 4 enters the progress homogeneous of urine buffer tank 9 and measures, subsequently into guanite knot
Brilliant unit 8 makes the elements such as N, P in urine form guanite, is separated by solid-liquid separation, will be consolidated into equipment for separating liquid from solid 7 later
The guanite of state is separated, and the liquid isolated enters combined films technique unit 6, realizes point of urine concentrate in urine
From the liquid after combined membrane process unit 6 detaches can be used as water for afforestation, and the urine concentrate of generation is cached through material
Tank 1 enters subcritical hydrothermal liquefaction unit 2 and continues harmless treatment；
5) step 1)~step 4) is repeated, until treating material is all disposed.
Material buffer tank 1 keeps negative-pressure operation, and upper layer foul smell is with the foul smell and air generated from lavatory ventilation through wind turbine
Into biogas utilization unit 5, Odor control is carried out by burning in biogas utilization unit 5, biogas is as clean energy resource, burning production
Object is mainly CO2And H2O, it is non-hazardous to environment.
Biogas utilization unit 5 uses heat conducting oil boiler or steam boiler, realizes low-voltage high-temperature thermal medium to subcritical water
Hot liquefaction unit 2 carries out thermal output；The high-temperature flue gas that biogas utilization unit 5 generates is used for the heat source of dry granulation unit 3, through dry
Heat source of the low-temperature flue gas that dry granulation unit 3 cools down as high temperature anaerobic unit 4, flue gas eventually enter at air processing unit 10
Qualified discharge after reason；By optimizing to methane utilizing system, the cascade utilization of energy is realized, energy is controlled oneself.
Chemistry can also be used other than using combined films technique unit 6 in the post-processing of 7 separating liquid of equipment for separating liquid from solid
Oxidation, electrochemical oxidation and other advanced treatment process, realize the innoxious and disposal of resources of urine.
Embodiment 4
For the difference of the present embodiment and embodiment 3 referring to Fig. 4, specific difference is as follows：
When homogenous mass in material buffer tank 1 enters subcritical hydrothermal liquefaction unit 2, to subcritical hydrothermal liquefaction list
Catalyst and oxidant are added in member 2, controlled at 180 DEG C~260 DEG C, realizes the inactivations such as pathogen, it is thorough in molecular level
Bottom is decomposed into CO2。
The heat that biogas utilization unit 5 generates is other than supplying subcritical 2 calorific requirements of hydrothermal liquefaction unit, part biogas
It can be additionally used in the purposes such as power generation, heat supply.
Enter dry granulation unit 3 through the innoxious mixed material of subcritical hydrothermal liquefaction unit 2, through dry granulation unit
3 carry out being separated by solid-liquid separation the dry granulation with solid matter, and the solid state substrate of generation is inorganic salts.
In conclusion the present invention realizes harmlessness disposing with subcritical hydrothermal liquefaction technological core；Detest in combination with high temperature
Oxygen technique, methane recovery utilization realize system heat balance；Stalling characteristic based on combined films technique unit, it is ensured that produce water
The biological safety that afforestation uses.The innoxious stabilization of excrement substance turns to organic fertilizer, and nitrogen phosphorus is in the form of guanite in urine
Recycling, water recycling after harmless treatment is afforestation water in excrement matter, urine, foul smell via high temperature burning handling,
The harmlessness disposing of gas, liquid, solid is realized, there is good environmental benefit and economic benefit.Therefore, fecaluria of the invention processing
System and method is that fecaluria harmlessness disposing and recycling opened up a new way, and realizes the innoxious of fecaluria, stabilisation and money
Source eliminates ecological safety risk existing for fecaluria, improves ecological environment, while the sustainable profit to promoting fecaluria resource
With having very important significance.With processing is rapid, floor space is small, energy utilization efficiency is high, operating cost is low, recycling
Degree is high, by-product biological safety is high, innoxious thorough advantage；Suitable for city, the innoxious place of rural fecaluria substance
Reason.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of more technologies turning to core with subcritical water hydrothermal solution couple bio-toilet fecaluria processing system, which is characterized in that
Including material buffer tank (1), subcritical hydrothermal liquefaction unit (2), dry granulation unit (3), high temperature anaerobic unit (4), biogas
Utilize unit (5), combined films technique unit (6), equipment for separating liquid from solid (7), struvite crystallization unit (8), urine buffer tank (9)
With air processing unit (10)；
Material buffer tank (1), subcritical hydrothermal liquefaction unit (2), dry granulation unit (3) and high temperature anaerobic unit (4) pass through
Pipeline is sequentially connected, and the gas vent of high temperature anaerobic unit (4) is connect with biogas utilization unit (5)；Biogas utilization unit (5) produces
Raw high-temperature flue gas after dry granulation unit (3) and high temperature anaerobic unit (4) utilize, is recycled to air processing unit successively
(10)；
Urine buffer tank (9), struvite crystallization unit (8), equipment for separating liquid from solid (7) and combined films technique unit (6) pass through pipe
Road is sequentially connected；The concentrate outlet of combined films technique unit (6) is connected to material buffer tank (1), and gardens are arranged outside liquid outlet
Greening water；
When excrement substance and urine are separately handled, excrement substance is collected in material buffer tank (1), and urine collecting is slow in urine
It deposits in tank (9), the liquid outlet of high temperature anaerobic unit (4) is connect with combined films technique unit (6)；
When excrement substance and urine mixed processing, slurry of feces and urine is collected in material buffer tank (1), high temperature anaerobic unit
(4) liquid outlet is connect with urine buffer tank (9).
2. the more technologies according to claim 1 for turning to core with subcritical water hydrothermal solution couple bio-toilet fecaluria processing system
System, which is characterized in that further include the pipeline for being directly connected to subcritical hydrothermal liquefaction unit (2) with high temperature anaerobic unit (4), portion
Material is divided to be fed directly to high temperature anaerobic unit (4) by the pipeline.
3. the more technologies according to claim 1 for turning to core with subcritical water hydrothermal solution couple bio-toilet fecaluria processing system
System, which is characterized in that subcritical hydrothermal liquefaction unit (2) is connected to the heat source import and export of biogas utilization unit (5), subcritical
Hydrothermal liquefaction unit (2) reacts institute's calorific requirement and is provided by biogas utilization unit (5)；Alternatively, subcritical hydrothermal liquefaction unit (2) is anti-
Institute's calorific requirement is answered to be provided using system by the energy recovery that high temperature anaerobic unit (4) and biogas utilization unit (5) form；Alternatively,
Subcritical hydrothermal liquefaction unit (2) reaction institute's calorific requirement combines the energy system that solar energy, electric energy form by biogas utilization unit (5)
System provides.
4. the more technologies according to claim 1 for turning to core with subcritical water hydrothermal solution couple bio-toilet fecaluria processing system
System, which is characterized in that the gas that the gas in material buffer tank (1) is generated with lavatory ventilation is sent to biogas utilization list through wind turbine
In first (5).
5. the more technologies according to claim 1 for turning to core with subcritical water hydrothermal solution couple bio-toilet fecaluria processing system
System, which is characterized in that biogas utilization unit (5) is heat conducting oil boiler or steam boiler；The combined films of combined films technique unit (6)
It is made of for two or three therein NF membrane, ultrafiltration membrane and reverse osmosis membrane.
6. coupling ecology based on the more technologies for turning to core with subcritical water hydrothermal solution described in any one of Claims 1 to 5
The method that lavatory fecaluria processing system handles fecaluria, which is characterized in that when the treating material stored in material buffer tank (1) is
When excrement substance, include the following steps：
1) excrement substance is transported to material buffer tank (1) and carries out precrushing, homogenization, its moisture content and viscosity is made to meet pump
Defeated condition, and it is 7.5~12 to adjust pH value, obtains homogenous mass；
2) homogenous mass is delivered to subcritical hydrothermal liquefaction unit (2), dry grain is entered after being handled at 180 DEG C~260 DEG C
Change unit (3), through dry granulation unit (3) be separated by solid-liquid separation and the dry granulation of solid matter is handled, the solid-state base of generation
Matter is organic fertilizer；The separating liquid and condensed water of generation enter high temperature anaerobic unit (4)；
3) in high temperature anaerobic unit (4), the organic matter in separating liquid reacts at 55 ± 5 DEG C is converted into CH4, CH4Into biogas
It utilizes unit (5)；The reaction water outlet of high temperature anaerobic unit (4) enters combined films technique unit (6), is handled through membrane process filtration
Afterwards, water for afforestation is obtained；
4) biogas utilization unit (5) generates high-temperature flue gas and is transported to dry granulation unit (3), as dry granulation unit (3)
Heat source, heat source of the low-temperature flue gas as high temperature anaerobic unit (4) through dry granulation unit (3) cooling, flue gas eventually enters into
Qualified discharge after air processing unit (10) processing；
5) step 1) is repeated to step 4), until treating material is all disposed.
7. the method for processing fecaluria according to claim 6, which is characterized in that when storing urine in urine buffer tank (9)
When liquid, include the following steps：
(1) urine is transported to urine buffer tank (9) and is handled into struvite crystallization unit (8) after homogeneous amount processing, so
Enter equipment for separating liquid from solid (7) afterwards, isolating can be as the guanite of sustained release fertilizer；
(2) liquid that equipment for separating liquid from solid (7) is isolated is delivered to combined films technique unit (6), is handled through membrane process filtration
Urine concentrate and filtrate are obtained, urine concentrate is transported in material buffer tank (1) and is handled together with excrement substance,
Filtrate is used as water for afforestation.
8. the method for the processing fecaluria described according to claim 6 or 7, which is characterized in that when work, material buffer tank (1) is protected
Negative-pressure operation is held, the foul smell and air that the foul smell on material buffer tank (1) upper layer, lavatory ventilation generate enter biogas through wind turbine
Using unit (5), Odor control is carried out by burning in biogas utilization unit (5), generates CO2And H2O。
9. coupling ecology based on the more technologies for turning to core with subcritical water hydrothermal solution described in any one of Claims 1 to 5
The method that lavatory fecaluria processing system handles fecaluria, which is characterized in that when the treating material stored in material buffer tank (1) is
When slurry of feces and urine, include the following steps：
1) slurry of feces and urine be transported to material buffer tank (1) carry out precrushing, mixing homogeneous, make mixed material moisture content and
Viscosity, which meets, pumps defeated condition, and it is 7.5~12 to adjust pH value, obtains homogenous mass；
2) homogenous mass is delivered to subcritical hydrothermal liquefaction unit (2), dry grain is entered after being handled at 180 DEG C~260 DEG C
Change unit (3), through dry granulation unit (3) be separated by solid-liquid separation and the dry granulation of solid matter, the solid state substrate of generation are
Organic fertilizer, the separating liquid and condensed water of generation are transported to high temperature anaerobic unit (4)；
3) in high temperature anaerobic unit (4), the organic matter in separating liquid reacts at 55 ± 5 DEG C is converted into CH4It is discharged with reaction,
CH4Into biogas utilization unit (5), CH4High-temperature flue gas is generated after biogas utilization unit (5) reaction, high-temperature flue gas is as drying
The heat source of granulation unit (3), heat source of the low-temperature flue gas through dry granulation unit (3) cooling as high temperature anaerobic unit (4), cigarette
Gas eventually enters into qualified discharge after air processing unit (10) processing；
4) the reaction water outlet of high temperature anaerobic unit (4) is transported to urine buffer tank (9), enters birds droppings after homogeneous amount processing
Stone crystalline element (8) processing is isolated and can be divided as the guanite of sustained release fertilizer subsequently into equipment for separating liquid from solid (7)
The liquid separated out enters combined films technique unit (6), after membrane process filtration processing, obtains urine concentrate and filtrate, filtrate
As water for afforestation, urine concentrate is transported in material buffer tank (1), with subsequent delivery to material buffer tank (1)
In slurry of feces and urine handled together；
5) step 1)~step 4) is repeated, until treating material is all disposed.
10. the method for the processing fecaluria according to claim 6 or 9, which is characterized in that the homogeneous in material buffer tank (1)
When material enters the reaction of subcritical hydrothermal liquefaction unit (2), to addition catalyst and oxidation in subcritical hydrothermal liquefaction unit (2)
Agent through dry granulation unit (3) be separated by solid-liquid separation and the dry granulation of solid matter is handled, the solid state substrate of generation after reaction
For inorganic salts.
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