CN107663000A - A kind of dejecta treatment method and equipment - Google Patents
A kind of dejecta treatment method and equipment Download PDFInfo
- Publication number
- CN107663000A CN107663000A CN201610607943.XA CN201610607943A CN107663000A CN 107663000 A CN107663000 A CN 107663000A CN 201610607943 A CN201610607943 A CN 201610607943A CN 107663000 A CN107663000 A CN 107663000A
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- excrement
- biogas
- reaction
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- equipment
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 claims abstract description 94
- 239000000463 material Substances 0.000 claims abstract description 72
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 239000004615 ingredient Substances 0.000 claims abstract description 27
- 230000020477 pH reduction Effects 0.000 claims abstract description 26
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- 230000007062 hydrolysis Effects 0.000 claims abstract description 25
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 25
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 23
- 210000003608 fece Anatomy 0.000 claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 44
- 239000002562 thickening agent Substances 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 18
- 238000005189 flocculation Methods 0.000 claims description 14
- 230000016615 flocculation Effects 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 7
- 238000000855 fermentation Methods 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 3
- 239000012257 stirred material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000005416 organic matter Substances 0.000 abstract description 9
- 230000018044 dehydration Effects 0.000 abstract description 7
- 238000006297 dehydration reaction Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229920002401 polyacrylamide Polymers 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 229960004424 carbon dioxide Drugs 0.000 description 6
- 238000001223 reverse osmosis Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical group S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 210000002985 organ of corti Anatomy 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 241000216843 Ursus arctos horribilis Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 229920000831 ionic polymer Polymers 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 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
- 239000002244 precipitate Substances 0.000 description 1
- 238000004073 vulcanization Methods 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
-
- 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
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- 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
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
- C05F3/06—Apparatus for the manufacture
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to technical field of waste treatment, the dejecta treatment method of offer first by excrement it is broken after again grid sub-elect excrement major ingredient, by excrement major ingredient hydrolysis acidification into solable matter, solable matter carries out anaerobic reaction and produces biogas and biogas slurry, increase flocculant is mixed into after mixed material and obtains dry material and waste water through dehydration in biogas slurry, and dry material can carry out aerobic reaction and produce organic fertilizer；Waste water carries out qualified discharge after wastewater treatment, excrement is set can't be directly processed without building, it instead of the centralized processing mode of septic tank, feces disposal equipment uses the above method, dejecta treatment method provided in an embodiment of the present invention processing excrement speed, time are shorter, only several days time is needed just to be processed to, its treatment effeciency of the processing time of 3~4 months for contrasting traditional septic tank processing greatly improves；Organic matter in excrement is changed into biogas and organic fertilizer by this method, improves dung recovery utilization rate.
Description
【Technical field】
The present invention relates to technical field of waste treatment, more particularly to a kind of dejecta treatment method and equipment.
【Background technology】
The excrement general set of building resident carries out centralized processing to septic tank, and septic tank floor space is larger, and
Septic tank generally requires the processing time of 3~4 months, and the night soil-treatment time is longer, and treatment effeciency is relatively low.
【The content of the invention】
The present invention is for prior art excrement general set to septic tank processing, and floor space is larger, and septic tank is handled
The excrement time is longer, the relatively low technical problem for the treatment of effeciency, there is provided a kind of dejecta treatment method and equipment, technical scheme are as follows：
The present invention provides a kind of dejecta treatment method, and method includes：
Excrement is crushed；
Excrement produces impurity and excrement major ingredient after grid sorting is broken；
By excrement major ingredient hydrolysis acidification into solable matter；
Solable matter carries out anaerobic reaction and produces biogas and biogas slurry；
Biogas slurry is mixed into mixed material with flocculant；
Mixed material is dehydrated to obtain dry material and waste water；
Dry material carries out aerobic reaction and produces organic fertilizer；
By qualified discharge after waste water progress wastewater treatment.
Alternatively, after solable matter carries out the step of anaerobic reaction produces biogas and biogas slurry, method also includes：
By marsh gas purifying.
Alternatively, after by the step of marsh gas purifying, method also includes：
Biogas after purification generate electricity and produces electric energy, high-temperature flue gas is produced in power generation process.
Alternatively, high-temperature flue gas is used to enter to the process that solable matter is carried out to anaerobic reaction generation biogas and biogas slurry
Row heating and heat preservation and the process progress heating and heat preservation that aerobic reaction generation organic fertilizer is carried out to dry material.
Alternatively, the step of biogas slurry is mixed into mixed material with flocculant includes：
It is stirred material.
The embodiment of the present invention also provides a kind of feces disposal equipment, and equipment includes：
For crushing the broken pond of excrement；
The grid sewage-removing machine being connected with the discharge end in broken pond, grid sewage-removing machine are used for the broken rear excrement of grid sorting and produced
Impurity and excrement major ingredient；
The hydrolysis acidification pool being connected with the discharge end of grid sewage-removing machine, hydrolysis acidification pool are used for excrement major ingredient hydrolysis acidification
Into solable matter；
The anaerobic reaction-pot being connected with the discharge end of hydrolysis acidification pool, anaerobic reaction-pot are used to allow solable matter in it
Carry out anaerobic reaction and produce biogas and biogas slurry；
The flocculation tank being connected with the discharge end of anaerobic reaction-pot, flocculation tank are used for biogas slurry and flocculant mixing resulting mixture
Material；
With the tank connected thickener that flocculates, thickener is used to be dehydrated mixed material to obtain dry material and waste water；
The aerobic reaction tank being connected with thickener, aerobic reaction tank are used to allow dry material to carry out aerobic reaction generation in it
Organic fertilizer；
What is be connected with thickener is used to handle the wastewater treatment equipment of waste water.
Alternatively, equipment also includes and the tank connected methane purifying device for purifying marsh gas of anaerobic fermentation.
Alternatively, equipment also includes the biogas generator being connected with methane purifying device.
Alternatively, high-temperature flue gas is used for anaerobic reaction-pot heating and heat preservation and gives aerobic reaction tank heating and heat preservation.
Alternatively, crush and mixer is installed in pond.
The beneficial effect of the embodiment of the present invention is that dejecta treatment method provided in an embodiment of the present invention first crushes excrement
Grid sub-elects excrement major ingredient again afterwards, and excrement major ingredient hydrolysis acidification is carried out into anaerobic reaction into solable matter, solable matter
Biogas and biogas slurry are produced, increase flocculant is mixed into after mixed material and obtains dry material and waste water, dry through dehydration in biogas slurry
Material can carry out aerobic reaction and produce organic fertilizer；Waste water carries out qualified discharge after wastewater treatment, makes excrement direct quilt without going out building
Dispose, instead of the centralized processing mode of septic tank, dejecta treatment method processing excrement speed provided in an embodiment of the present invention
Degree is very fast, the time is shorter, only needs several days time to be just processed to, and contrasts the processing of 3~4 months of traditional septic tank processing
Time, its treatment effeciency greatly improved；Organic matter in excrement is changed into biogas and organic fertilizer by this method, makes dung recovery
Utilization rate improves.
Feces disposal equipment provided in an embodiment of the present invention uses above-mentioned dejecta treatment method, first crushes excrement in broken pond
Just, grid sorting in grid sewage-removing machine is inputted after excrement is broken and produces excrement major ingredient；Excrement major ingredient hydrolyzes into hydrolysis acidification pool
After being acidified into solable matter, carry out anaerobic reaction into anaerobic reaction-pot and produce biogas and biogas slurry, biogas slurry enter flocculation tank with
After flocculant is mixed into mixed material, carries out thickener and be dehydrated to obtain dry material and waste water, dry material enters into aerobic reaction tank
Row aerobic reaction produces organic fertilizer, and waste water is handled with wastewater treatment equipment.Feces disposal equipment body provided in an embodiment of the present invention
Product is smaller, and the floor space than the septic tank of centralization processing excrement greatly reduces, this equipment processing excrement speed, time
It is shorter, only need several days time to be just processed to, contrast its processing of the processing time of 3~4 months of traditional septic tank processing
Efficiency greatly improves；Organic matter in excrement is changed into biogas and organic fertilizer by this equipment, improves dung recovery utilization rate.
【Brief description of the drawings】
Fig. 1 is the flow chart of dejecta treatment method provided in an embodiment of the present invention.
Fig. 2 is the flow chart for the dejecta treatment method that another embodiment of the present invention provides.
Fig. 3 is the structural representation of feces disposal equipment provided in an embodiment of the present invention.
Fig. 4 is the structural representation for the feces disposal equipment that another embodiment of the present invention provides.
【Embodiment】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Embodiment 1
As shown in figure 1, dejecta treatment method provided in an embodiment of the present invention includes：
Step 101：Excrement is crushed.Excreta caused by resident (including excrement) is unified in building collects to basement
Processing setting is focused on.Excrement is passed through broken pond from water closet, can be by the way of blade stirrer to excrement
Carry out coarse crushing or typically crush.
Step 102：Excrement produces impurity and excrement major ingredient after grid sorting is broken.Grid sorting can use grid decontamination
Machine, the grid grizzly bar spacing of grid sewage-removing machine can be set to 10~50mm, the impurity in excrement sorted out, and place is delivered in packing
Reason center is handled.Further, the noise in shattering process is can control, lower noise is allowed, shattering process can also be controlled
In stink, increase the process of deodorization, because excrement carries stink, it is necessary to the step of increasing deodorization.
Step 103：By excrement major ingredient hydrolysis acidification into solable matter.Excrement major ingredient hydrolytic acidification time can be set to 1
~2 days, the insoluble organic matter in excrement is during which set to be decomposed into solable matter.
Step 104：Solable matter carries out anaerobic reaction and produces biogas and biogas slurry.Solable matter after hydrolysis is detested
Oxygen produces biogas, and retort uses upflow anaerobic sludge blanket reactor (Up-flow Anaerobic Sludge Bed/
Blanket, UASB), organic matter Rapid Fermentation under anaerobic environment, which decomposes, produces biogas, namely for methane.Anaerobic reaction is divided into medium temperature
Anaerobic reaction and high temperature anaerobic reaction, the optimal reaction temperature of anaeration in normal temperature is 35 DEG C, and the optimal reaction temperature of high temperature anaerobic is
50~55 DEG C, only need can complete whole anaerobic reaction process within 1~2 day at a temperature of anaeration in normal temperature reacts optimal anaerobic reaction.
The course of reaction of anaeration in normal temperature reaction is relatively easy to control, and it is few to consume energy.
Step 105：Biogas slurry is mixed into mixed material with flocculant.Anaerobic reaction generation biogas slurry is mixed into flocculant to be mixed
Material, flocculant are polyacrylamide (Polyacrylamide, PAM), and polyacrylamide is non ionic polymer flocculant, tool
Have and bigger flco is formed between the particle of the excrement after broken thus produce huge adsorption effect.
Step 106：Mixed material is dehydrated to obtain dry material and waste water.Mixed material can be taken off using thickener
Water, thickener are specially spiral shell pressure concentration tank, and spiral shell pressure concentration tank is that reducing varying pitch extrudes thickener.Varying pitch refers to spiral organ
Flight distance is gradually reduced, and causes mixed material volume during advance constantly to be extruded, and then take off mixed material
Go out moisture content.Spiral reducing refers to that the diameter of spiral organ shell tapers on the direction that flight distance reduces, spiral reducing
Function be together with the flight of decreased distance, formed a diminishing space, mixed material advance space it is more next
It is smaller, thus constantly dehydration and obtain dry material, i.e. dry material, the water of abjection is waste water.
Step 107：Dry material carries out aerobic reaction and produces organic fertilizer.Dry material can be in aerobic reaction tank in aerobic reaction
Carry out, the optimal reaction temperature of aerobic reaction is 50~55 DEG C, under optimal reaction temperature, by being stirred continuously holding and air
Good contact, aerobic reaction process only needs to complete for 2~3 days, and the product of aerobic reaction is organic fertilizer.
Step 108：By qualified discharge after waste water progress wastewater treatment, wastewater treatment can use reverse osmosis membrane (reverse
Osmosis film, RO), it can specifically use disc tube reverse osmosis (dt-ro) film (DTRO films).
The beneficial effect of the embodiment of the present invention is that dejecta treatment method provided in an embodiment of the present invention first crushes excrement
Grid sub-elects excrement major ingredient again afterwards, and excrement major ingredient hydrolysis acidification is carried out into anaerobic reaction into solable matter, solable matter
Biogas and biogas slurry are produced, increase flocculant is mixed into after mixed material and obtains dry material and waste water, dry through dehydration in biogas slurry
Material can carry out aerobic reaction and produce organic fertilizer；Waste water carries out qualified discharge after wastewater treatment, makes excrement direct quilt without going out building
Dispose, instead of the centralized processing mode of septic tank, dejecta treatment method processing excrement speed provided in an embodiment of the present invention
Degree is very fast, the time is shorter, only needs several days time to be just processed to, and contrasts the processing of 3~4 months of traditional septic tank processing
Time, its treatment effeciency greatly improved；Organic matter in excrement is changed into biogas and organic fertilizer by this method, makes dung recovery
Utilization rate improves.
As shown in Fig. 2 in another embodiment, this method is also wrapped after described the step of wastewater fermentation is produced into biogas
Include：
Step 109：By marsh gas purifying.Major impurity is hydrogen sulfide (H in biogas2) and carbon dioxide (CO S2), dispel vulcanization
Hydrogen uses active carbon adsorption, and activated carbon has very more spaces, there is very strong adsorption capacity.Carbon dioxide uses limewash
(calcium hydroxide) absorption process, calcium hydroxide is precipitated after becoming calcium carbonate with carbon dioxide reaction, two are dispelled so as to reach
The purpose of carbonoxide.It should be noted that because a part of steam contained in biogas is during gas conveys and purifies
Water is liquefied as, so being not required to special step place to go steam, has dispelled H2S and CO2The purpose of purifying marsh gas is reached.
As shown in Fig. 2 in another embodiment, this method also includes：
Step 110：Biogas after purification generate electricity and produces electric energy, high-temperature flue gas is produced in power generation process.Enter one
Step ground, electric energy caused by marsh gas power generation can be used for the step for crushing excrement, and electric energy caused by marsh gas power generation feeds to user, supplied
The process of broken excrement uses, and is not take up extra power, such as the not extra consumption resident electricity charge, improves the product that resident crushes excrement
Polarity, be advantageous to the popularization of dejecta treatment method provided in an embodiment of the present invention.Further, high-temperature flue gas can be also used for
The process that anaerobic reaction generation biogas and biogas slurry are carried out to solable matter carries out heating and heat preservation, gives dry material to carry out aerobic reaction
The process for producing organic fertilizer carries out heating and heat preservation, anaerobic reaction and aerobic reaction is held in required reaction temperature, carries
High reaction efficiency.
As shown in Fig. 2 in another embodiment, the step of biogas slurry is mixed into mixed material with flocculant, includes：
Step 111：It is stirred material.Stirring can use screw mixer, be thoroughly mixed biogas slurry and flocculant
Mixed material, the mixed material to stir arrive after the step of being dehydrated to obtain dry material and waste water by mixed material
Dry material carries out the step of aerobic reaction produces organic fertilizer, and the mixed material to stir can preferably carry out aerobic reaction,
More easily reach aerobic reaction condition.
In one embodiment, also include after the step of excrement produces impurity and excrement major ingredient after grid sorting is broken：
Step 112：Processing center processing is delivered into impurity packing.Processing center is typically independently arranged outside building.
Embodiment 2
Correspondingly, the embodiment of the present invention additionally provides feces disposal equipment, as shown in figure 3, the equipment include broken pond 1,
Grid sewage-removing machine 2, hydrolysis acidification pool 3, anaerobic reaction-pot 4, flocculation tank 5, thickener 6, aerobic reaction tank 7 and wastewater treatment equipment
8.Specifically include：For crushing the broken pond 1 of excrement；The grid sewage-removing machine 2 being connected with the discharge end in broken pond, grid sewage-removing machine
2, which are used for the broken rear excrement of grid sorting, produces impurity and excrement major ingredient；The hydrolysis acidification being connected with the discharge end of grid sewage-removing machine 2
Pond 3, hydrolysis acidification pool 3 are used for excrement major ingredient hydrolysis acidification into solable matter；It is connected with the discharge end of hydrolysis acidification pool 3
Anaerobic reaction-pot 4, anaerobic reaction-pot 4 are used to allow solable matter to carry out anaerobic reaction generation biogas and biogas slurry in it；With detesting
The flocculation tank 5 of the discharge end connection of oxygen retort 4, flocculation tank 5 are used to biogas slurry and flocculant being mixed into mixed material；With flocculation
The thickener 6 that tank 5 connects, thickener 6 are used to be dehydrated mixed material to obtain dry material and waste water；What is be connected with thickener 6 is good
Oxygen retort 7, aerobic reaction tank 7 are used to allow dry material to carry out aerobic reaction generation organic fertilizer in it；It is connected with thickener 6
For handling the wastewater treatment equipment 8 of waste water.Feces disposal equipment provided in an embodiment of the present invention uses above-mentioned night soil-treatment side
Method, excrement is first crushed in broken pond 1, grid sorting in grid sewage-removing machine 2 is inputted after excrement is broken and produces excrement major ingredient；Excrement
After major ingredient is into the hydrolysis acidification of hydrolysis acidification pool 3 into solable matter, carries out anaerobic reaction into anaerobic reaction-pot 4 and produce biogas
And biogas slurry, after biogas slurry is mixed into mixed material into flocculation tank 5 with flocculant, carries out the dehydration of thickener 6 and obtain dry material and give up
Water, dry material enter aerobic reaction tank 7 and carry out aerobic reaction generation organic fertilizer, and waste water is up to standard after being handled with wastewater treatment equipment 8
Discharge.Feces disposal equipment small volume provided in an embodiment of the present invention, than the occupation of land face of the septic tank of centralization processing excrement
Product greatly reduces, and this equipment processing excrement speed, time are shorter, only need several days time to be just processed to, contrast passes
Its treatment effeciency of the processing time of 3~4 months of system septic tank processing greatly improves；This equipment changes the organic matter in excrement
For biogas and organic fertilizer, improve dung recovery utilization rate.
Further, the mode for crushing the porch installation mixer (not shown) in pond 1 feeds progress coarse crushing to excrement,
Mixer is specially blade stirrer, and excrement is passed through broken pond 1 from water closet, and the excrement after coarse crushing is stirred by blade stirrer
Just the rear end in broken pond 1 is flowed through, the rear end in broken pond 1 is connected with grid sewage-removing machine 2, and excrement enters grid sewage-removing machine 2, grid point
Choosing produces impurity and excrement major ingredient.Further, grid grizzly bar 10~50mm of spacing of grid sewage-removing machine 2, grid sub-elect
Impurity packing deliver to processing center 11 and handle.Processing center 11 is typically independently arranged outside building.Yet further, can increase
Add denoising device (not shown), control the noise in shattering process, allow lower noise, because excrement carries stink, can also increase
Adding odor removal (not shown), control the stink in shattering process, settable odor removal is crushed in pond 1, or with crushing
Pond 1 connects.
Hydrolysis acidification pool 3 is by excrement major ingredient hydrolysis acidification into solable matter, and further, excrement major ingredient is in hydrolysis acidification
Hydrolytic acidification time in pond 3 can be set to 1~2 day, the insoluble organic matter in excrement is decomposed into solable matter,
Solable matter is advantageous to carry out anaerobic reaction.
Further, anaerobic reaction-pot 4 is using upflow anaerobic sludge blanket reactor (Up-flow Anaerobic
Sludge Bed/Blanket, UASB), organic matter Rapid Fermentation under anaerobic environment, which decomposes, produces biogas, namely for methane.Anaerobism is anti-
Answer the anaerobic reaction in tank 4 to be divided into anaeration in normal temperature reaction and high temperature anaerobic reaction, the optimal reaction temperature of anaeration in normal temperature for 30~
38 DEG C, 35 DEG C can be specifically selected, the optimal reaction temperature of high temperature anaerobic is 50~55 DEG C, reacts optimal anaerobism in anaeration in normal temperature
Lower of reaction temperature needs 1~2 day can complete whole anaerobic reaction process.The course of reaction of anaeration in normal temperature reaction is relatively easy to control,
And power consumption is few.
As shown in figure 4, in another embodiment, what the equipment also included being connected with anaerobic fermentation tank 4 is used for purifying marsh gas
Methane purifying device 9.Major impurity is hydrogen sulfide (H in biogas caused by anaerobic reaction in anaerobic reaction-pot 42) and dioxy S
Change carbon (CO2), methane purifying device 9 dispels hydrogen sulfide using active carbon adsorption, because activated carbon has very more spaces, tool
There is very strong adsorption capacity.Methane purifying device 9 dispels carbon dioxide and uses limewash (calcium hydroxide) absorption plant, makes hydrogen-oxygen
Change after calcium becomes calcium carbonate with carbon dioxide reaction and precipitate.It should be noted that due to a part of water contained in biogas
Vapour is liquefied as water during gas conveys and purifies, so being not required to special equipment dispels steam, has dispelled H2S and CO2I.e.
The purpose of purifying marsh gas is reached.
As shown in figure 4, in another embodiment, the equipment also includes the biogas generator being connected with methane purifying device 9
10.Biogas generator 10 generate electricity caused by electric energy used for broken pond 1, extra power is not take up, if extra consumption resident is not electric
Take, improve the enthusiasm that resident crushes excrement, be advantageous to the popularization of feces disposal equipment provided in an embodiment of the present invention.More enter
One step, caused high-temperature flue gas that also biogas generator 10 can generate electricity is used to heat up to anaerobic fermentation tank 4 and aerobic retort 7
Insulation, makes anaerobic reaction and aerobic reaction be maintained in required reaction temperature respectively, improves reaction efficiency.
The biogas slurry that anaerobic reaction-pot 4 exports is mixed into mixed material with flocculant, and further, flocculant specifically can be selected
Polyacrylamide (Polyacrylamide, PAM), polyacrylamide are non ionic polymer flocculant, are had after broken
Bigger flco is formed between the particle of excrement and thus produces huge adsorption effect.
In one embodiment, mixed material enters drain sump, and drain sump includes the flocculation tank 5 of front end and the thickener of rear end
6, flocculation tank 5 is provided with dosing mouth and adds flocculant.Further, screw mixer (not shown), natural pond are additionally provided with drain sump
Liquid is thoroughly mixed in the inside of flocculation tank 5 with flocculant, and the concentrated dehydration of machine 6 of the mixed material to stir obtains dry material
Afterwards, dry material enters the progress aerobic reaction generation organic fertilizer of aerobic reaction tank 7, and the mixed material to stir can preferably enter
Row aerobic reaction, it is easier to reach aerobic reaction condition.Thickener 6 is specially spiral shell pressure thickener, and spiral shell presses thickener to become for reducing
Pitch extrudes thickener.Varying pitch refers to that the flight distance of spiral organ is gradually reduced, and causes mixed material in the process of advance
Middle volume is constantly extruded, and then mixed material is deviate from moisture content.Spiral reducing refers to the diameter of spiral organ shell in flight
Tapered on the direction that distance reduces, the function of spiral reducing is together with the flight of decreased distance, forms one gradually
The space of diminution, the space that mixed material advances is less and less, thus constantly dehydration and obtain dry material, i.e. dry material,
The water of abjection is waste water.
In another embodiment, the dry material that thickener 6 exports enters aerobic reaction tank 7, and dry material is in aerobic reaction tank 7
Interior carry out aerobic reaction, the optimal reaction temperature of aerobic reaction is 50~55 DEG C, under optimal reaction temperature, by being stirred continuously
The good contact with air is kept, aerobic reaction process only needs to complete for 2~3 days, and the product of aerobic reaction is organic fertilizer.
As shown in figure 4, in another embodiment, waste water carries out qualified discharge after wastewater treatment in wastewater treatment equipment 8,
Wastewater treatment can use reverse osmosis membrane (reverse osmosis film, RO), can specifically use disc tube reverse osmosis (dt-ro) film
(DTRO films), is filtered using two steps ro.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of dejecta treatment method, it is characterised in that methods described includes：
Excrement is crushed；
Excrement produces impurity and excrement major ingredient after grid sorting is broken；
By the excrement major ingredient hydrolysis acidification into solable matter；
The solable matter carries out anaerobic reaction and produces biogas and biogas slurry；
The biogas slurry is mixed into mixed material with flocculant；
The mixed material is dehydrated to obtain dry material and waste water；
The dry material carries out aerobic reaction and produces organic fertilizer；
By qualified discharge after waste water progress wastewater treatment.
2. dejecta treatment method as claimed in claim 1, it is characterised in that carry out anaerobic reaction production in the solable matter
After the step of raw biogas and biogas slurry, methods described also includes：
By marsh gas purifying.
3. dejecta treatment method as claimed in claim 2, it is characterised in that it is described by the step of marsh gas purifying after, it is described
Method also includes：
Biogas after purification generate electricity and produces electric energy, high-temperature flue gas is produced in power generation process.
4. dejecta treatment method as claimed in claim 3, it is characterised in that high-temperature flue gas is used for soluble thing to described
Matter carries out anaerobic reaction and produces the process progress heating and heat preservation of biogas and biogas slurry and carry out aerobic reaction production to the dry material
The process of raw organic fertilizer carries out heating and heat preservation.
5. dejecta treatment method as claimed in claim 1, it is characterised in that the biogas slurry is mixed into mixed material with flocculant
The step of include：
It is stirred material.
6. a kind of feces disposal equipment, it is characterised in that the equipment includes：
For crushing the broken pond of excrement；
The grid sewage-removing machine being connected with the discharge end in the broken pond, the grid sewage-removing machine are used for the broken rear excrement of grid sorting
Produce impurity and excrement major ingredient；
The hydrolysis acidification pool being connected with the discharge end of the grid sewage-removing machine, the hydrolysis acidification pool are used to hydrolyze excrement major ingredient
It is acidified into solable matter；
The anaerobic reaction-pot being connected with the discharge end of the hydrolysis acidification pool, the anaerobic reaction-pot are used to allow the soluble thing
Matter carries out anaerobic reaction in it and produces biogas and biogas slurry；
The flocculation tank being connected with the discharge end of the anaerobic reaction-pot, the flocculation tank are mixed for biogas slurry to be mixed into flocculant
Compound material；
With the tank connected thickener of flocculation, the thickener is used to be dehydrated mixed material to obtain dry material and waste water；
The aerobic reaction tank being connected with thickener, the aerobic reaction tank are used to allow dry material to carry out aerobic reaction generation in it
Organic fertilizer；
What is be connected with thickener is used to handle the wastewater treatment equipment of waste water.
7. feces disposal equipment as claimed in claim 6, it is characterised in that the equipment also includes being connected with anaerobic fermentation tank
The methane purifying device for purifying marsh gas.
8. feces disposal equipment as claimed in claim 7, it is characterised in that the equipment also includes connecting with methane purifying device
The biogas generator connect, the biogas generator, which generates electricity, produces electric energy, and high-temperature flue gas is produced in power generation process.
9. feces disposal equipment as claimed in claim 8, it is characterised in that the high-temperature flue gas is used for the anaerobic reaction
Tank heating and heat preservation and to the aerobic reaction tank heating and heat preservation.
10. feces disposal equipment as claimed in claim 6, it is characterised in that mixer is installed in the broken pond.
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| CN201610607943.XA CN107663000A (en) | 2016-07-29 | 2016-07-29 | A kind of dejecta treatment method and equipment |
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| CN201610607943.XA CN107663000A (en) | 2016-07-29 | 2016-07-29 | A kind of dejecta treatment method and equipment |
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| CN110903110A (en) * | 2019-11-25 | 2020-03-24 | 浙江万泰环境工程有限公司 | Quick good oxygen system of becoming fertile of natural pond sediment |
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