CN104176894A - Indoor waste organic acid separation and anaerobic digestion process and device - Google Patents
Indoor waste organic acid separation and anaerobic digestion process and device Download PDFInfo
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- CN104176894A CN104176894A CN201410400741.9A CN201410400741A CN104176894A CN 104176894 A CN104176894 A CN 104176894A CN 201410400741 A CN201410400741 A CN 201410400741A CN 104176894 A CN104176894 A CN 104176894A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Abstract
The invention relates to an indoor waste organic acid separation and anaerobic digestion process and a device. Based on a two-phase anaerobic digestion process, an acid separation process is additionally carried out between two phases, namely an acid generating phase and a gas generating phase, wherein an acetic acid needed by a methane generating phase is separated out from an acid generated in the acid generating phase and is supplied to the methane generating phase; the device is composed of a hydrolysis acid generating pool (2), an acid separator (4), a gas generating pool (1), a gas cabinet (10), a health-care closestool (5), a washing pool (6), a shower platform (7) and a floor drain (8). The anaerobic digestion process is innovated, so that the space is effectively saved and the decomposition cycle is effectively shortened; an indoor organic waste anaerobic digestion renewable energy device is ingeniously combined into a living space of a bathroom in a scientific planning manner, i.e., the device is hidden, so that the problem of occupation of a certain space is solved, and the environmental friendliness and the daily life are tightly combined; the closestool is flushed by utilizing washing wastewater so as to absorb and remove foreign flavor, so that the problem of remaining of the foreign flavor is solved. Thus, the living quality is improved while the environmental friendliness is realized.
Description
Technical field
The present invention relates to green technology, particularly a kind of indoor organic waste acid sorting anaerobic digestion process and device.
Background technology
Applicant had applied for a kind of patent of invention of indoor organic waste anaerobic digestion renewable energy device in the past, the patent No.: 201110233677.6, and it can replace water and rush toilet and effectively digest the organic waste renewable energy resources and save a large amount of flushing waters.But due to interior space restriction with meet environmental requirement and also come with some shortcomings, as be generally understood as pure environmental protecting device, take certain space, slightly length, indoor remaining a small amount of peculiar smell etc. of decomposition cycle.These deficiencies directly have influence on practice and extension.
technical scheme
The object of the invention is to provide a kind of indoor organic waste acid sorting anaerobic digestion process and device.
A kind of indoor organic waste acid of the present invention sorting anaerobic digestion process is that, working stability, simple and convenient management high according to indoor digestion organic waste requirement rate of decomposition and taking up room minimizes, free from extraneous odour is residual principle adopts two cancellation ratios, the anaeration in normal temperature sour sorting process that continuously ferments.
Two-phase anaerobic digestion, is artificially anaerobic reaction process to be decomposed into hydrolysis produce acid phase and produce methane phase, meets the activity need of different steps anaerobic digestion microorganism, reaches best reaction efficiency.Before product methane phase, product acid phase is set, can controls rate of producing acid, avoid producing methane phase excess load, can also avoid on the other hand complicated, changeable, poisonous material to impact whole system, improved the stability of system operation.The major advantage of diphasic anaerobic technique is not only the raising of reaction efficiency and has been increased the stability of system, has strengthened the surge capability to charging.Many in wet pipe system the stability of the unsettled material of biological degradation in biphasic system fine.Although two stage Anaerobic digestion design and runnings maintenances are too complicated, as long as complicated running maintenance is simplified, the complexity of design is more important with stable phase ratio or the latter of system operation.
A kind of indoor organic waste acid sorting anaerobic digestion process of the present invention, on the basis of TPAD technique, between product sour aerogenesis two rank, increase sour sorting process, product acid phase is produced to sour sorting and produce the required acetic acid supply product methane phase of methane phase.This can effectively reduce non-acetic acid buying and selling back and forth between two ponds, saves space; Remove non-acetic acid from and produce the device in sour pond, simplified construction from the backflow of aerogenesis pond.Simultaneously between sour aerogenesis two rank, increase sour sorting transition and both can put aside acid solution and slow down sour pump suction to producing the impact in sour pond producing, the obstruction of sour pond inner suspension particulate to fie screen produced in isolation again.Thereby promote two pond decomposition efficiencies, shorten the decomposition cycle.
Grading principle is:
1, biogas microbiological deterioration organism produces the four-stage of biogas:
Hydrolysis stage: larger molecular organics (Mierocrystalline cellulose, protein etc.) is hydrolyzed to cellobiose, Portugal
Grape sugar, amino acid etc.;
Fermentation stage: by the fermentation such as cellobiose, glucose, amino acid for butanols, propyl alcohol, ethanol,
Acetone, butyric acid, propionic acid, lactic acid, acetic acid, formic acid, a small amount of hydrogen and carbonic acid gas;
Produce acetic acid, hydroformylation stage: by butanols, propyl alcohol, ethanol, acetone, butyric acid, propionic acid, lactic acid, first
Acetic acid, hydrogen and carbonic acid gas are changed in acid; Above three stages carry out in the sour pond of product.
Produce methane phase: acetic acid, hydrogen are turned to methane, carbonic acid gas and water, carry out in aerogenesis pond.
2, each sour proportion and formation:
Acetic acid density is 1.098, and in each acid, accounting is more than 80%; Lactic acid density is 1.206, formic acid density is
1.23, two acid are aggregated in accounting 8% left and right in each acid; All the other alcohol, sour density are all less than 1, are aggregated in accounting 10% left and right in each acid.
3, obvious layering of each when coexistence acid, but produce in sour pond that the limited layering of supernatant liquor height is intensive cannot sorting, introduce independent container after layer height pull open, more than 80% acetic acid of accounting can be taken very easily.
A kind of indoor organic waste acid sorting anaerobic digestion process of the present invention is specific as follows:
1, fast enriching supernatant liquor in the sour pond of product, relatively stable supernatant liquid level, provides balanced lasting sorting
Source.
Autonomous container acid sorter is set, will produces supernatant liquor in sour pond and introduce sorter, various acid divides in acid
Select in device and continue fermentation by the coexistence of proportion natural layering.
In sour sorter, the bottom of acetic acid layer arranges acid pump, often drives mouth into and leads to sorter acetic acid layer, and aerogenesis pond is led in the normally closed outlet of contour distribution, and advection pumping acetic acid is saved pump power.
In sorter, the middle and upper part of acetic acid layer arranges air pressure self-circulating pump, often drives mouth into and leads to sorter acetic acid layer, and aerogenesis pond is led in the normally closed outlet of contour distribution, the gases such as advection pumping acetic acid, hydrogen, methane.
A kind of indoor organic waste acid sorting anaerobic digestion process of the present invention, on the basis of TPAD technique, between product sour aerogenesis two rank, increase sour sorting process, product acid phase is produced to sour sorting and produce the required acetic acid supply product methane phase of methane phase.This can effectively reduce non-acetic acid buying and selling back and forth between two ponds, saves space; Remove non-acetic acid from and produce the device in sour pond, simplified construction from the backflow of aerogenesis pond.Simultaneously between sour aerogenesis two rank, increase sour sorting transition and both can put aside acid solution and slow down sour pump suction to producing the impact in sour pond producing, the obstruction of sour pond inner suspension particulate to fie screen produced in isolation again.Thereby promote two pond decomposition efficiencies, shorten the decomposition cycle.
A kind of device for indoor organic waste acid sorting anaerobic digestion process of the present invention, is made up of the sour pond of hydrolysis product (2), sour sorter (4), aerogenesis pond (1), gas holder (10), health care closet (5), wash trough (6), shower platform (7), floor drain (8).Sour pond (2), sour sorter (4) are produced in hydrolysis, aerogenesis pond (1) is positioned at bottom.Gas holder (10) is positioned at top, aerogenesis pond (1); Wash trough (6) is positioned at gas holder (10) top; Health care closet (5) is positioned at hydrolysis and produces top material inlet mouth place, sour pond (2); Shower platform (7), floor drain (8) are positioned at hydrolysis and produce top, sour pond (2).
Produce supernatant liquor container area in sour pond for dwindling: with coarse filtration grid, sour product pond is divided into large-area decomposition and sends out
The supernatant liquid zone of ferment district and small area, Area Ratio is not less than 8-10, makes supernatant liquor lift height in the time dwindling container area of equivalent, increases flooding velocity.There are air chamber and supernatant liquid chamber in supernatant liquid zone, and air chamber, for falling funnel-form, is convenient to collect gas for large mouthful, and osculum is given vent to anger; Supernatant liquid chamber is funnel-form, and osculum is supernatant liquor import, and liquid level rising volume expands, not only can guaranteed capacity but also avoid liquid level acute variation also gas to be pressed; Supernatant liquid chamber liquid level is higher than air chamber liquid level; Produce a small amount of hydrogen, the methane that in sour pond, produce and enter aerogenesis pond by air pressure self-circulating pump after air chamber is assembled; After supernatant liquor fine filtering, overflow enters sorter.
Feed-pipe is through the feeding of supernatant liquid zone to decomposing and fermenting district, and feed-pipe and supernatant liquid chamber Inner liquid level are contour, and two liquid level Area Ratios expand to and more than 30 can reduce opening for feed liquid level and fluctuate up and down and cause the also relatively stable supernatant liquid level of overflow from arranging smelly J type pipe.
Above-mentioned sour sorter (4) is autonomous container, and top has fine filtering grid (401) and the hydrolysis sour pond of product (2) to be communicated with, and bottom has separation net grid (402) and non-return valve (403) to be communicated with the hydrolysis sour pond of product (2).The middle part acid pump (3) that arranges on the lower side, acid pump (3) often drive that mouthful (302) are communicated with sour sorter (4) into, normally closed outlet (303) is communicated with aerogenesis pond (1) with often driving mouth into (302) are contour.The middle part air pressure self-circulating pump (41) that arranges on the upper side, air pressure self-circulating pump (41) often drive that mouthful (412) are communicated with sour sorter (4) into, normally closed outlet (411) is communicated with aerogenesis pond (1) with often driving mouth into (412) are contour.
Supernatant liquor does not reach before overflow height, absence of liquid in container, pond bottom pressure is greater than container bottom pressure non-return valve (403) and closes, after supernatant liquid level rises, after fine filtering grid (401) overflow enters container, each acid is deposited by density size layering, raise with liquid level in container, container bottom pressure also raises, and waits in container liquid level and supernatant liquid level when high, pond bottom pressure equals container bottom pressure non-return valve (403) to be opened, both UNICOMs.In the time stirring, in pond, the upper power of the liquid flow direction makes the acid that container bottom density is large enter continuation decomposition in pond again.Acid pump (3) is located acetic acid layer, in the time of its work, in container, liquid level reduces, and container bottom pressure also reduces, while waiting the interior liquid level of container lower than supernatant liquid level, pond bottom pressure is greater than container bottom pressure non-return valve (403) closes, and separation net grid (402) prevent that large proportion solid from entering container.
Acid pump (3) advection is carried, and acetic acid above constantly supplements by gravity, and lactic acid below, formic acid deadweight are without the suction portion of still keeping on file.Air pressure self-circulating pump (41) will be hydrolyzed and produce the interior hydrogen in sour pond (2), methane gas is closed and often driven mouthful (412) in the time that air pressure exceedes aerogenesis pond (1), open normally closed outlet (411) and automatically import aerogenesis pond (1) together with acetic acid in pump.
Adopt sour sorting anaerobic digestion process can reduce supernatant liquor overflow fine filtering grid and stop up, continue, balanced, fast for acetic acid is supplied with in aerogenesis pond, raising decomposition efficiency.
Acid sorting anaerobic digestion device
The requirement of combined acid sorting anaerobic digestion process feature, dwindles hydrolysis and produces supernatant liquor position, sour pond volume area, promotes supernatant liquor at container inner height, sets up sour sorter, feeding bead automatic cloth feed material.
Acid sorting anaerobic digestion device produces sour pond (2), sour sorter (4), aerogenesis pond (1), gas holder (10), spring (53) by being hydrolyzed, power rail (54) forms.See Fig. 2.
Hydrolysis is produced in sour pond (2) and is separated by coarse filtration grid (23), below for hydrolysis Chan Suan district, be supernatant liquid zone above.The charging mouth of pipe (22) is provided with airtight valve (221), feeding bead (222), atmosphere check valve (223), J type pipe (901), and feed-pipe (22) enters hydrolysis Chan Suan district through supernatant liquid zone and coarse filtration grid (23).
Supernatant liquid zone is provided with air chamber (21), supernatant liquid chamber (24).Air chamber top is provided with airway and leads to sour sorter internal gas pressure self-circulating pump (41).Supernatant liquid chamber (24) top has overflow port to pass through fine filtering grid to be communicated with sour sorter; Top has supernatant liquor discharge outlet (241) to be communicated with water drain by Special water seal, prevents that sewer odor from entering, and in the time occurring that pressure anomaly increases severely, discharges supernatant liquor to water drain, avoids acid solution to gush.
In hydrolysis Chan Suan district, there are coarse filtration grid (23), slag notch (27), agitating plate (25), agitating plate to support (251), agitating plate chute (252), drapery panel (26), drapery panel support (261), power rail (54), power rail guide bracket (541), guide block (542).Power rail guide bracket (541) supports and limits power rail (54) direction of motion.Power rail (54) moves up and down with guide block (542), and agitating plate (25) is seesawed with agitating plate chute (252).Drapery panel (26) has axle sleeve and the plate and the shift fork that become 90 degree, and shift fork moves forward and backward with agitating plate (25), makes axle sleeve support (261) axle around drapery panel and rotates about, and plate is servo-actuated.Drapery panel supports (261) not only supports cloth flitch (26) but also limit agitating plate (25) direction of motion.
Organic waste enters after the charging mouth of pipe, sinks under heavy under the effect of drapery panel (26), to enter hydrolysis and produce sour pond (2), and what proportion was little float over, and the charging mouth of pipe (22) cannot enter that hydrolysis produces that sour pond (2) decomposes causes decomposition cycle stretch-out; When defecation because liquid level more easily splashes sewage pollution health.Self-feeding bead (222) solves two problems.
Place proportion at the charging mouth of pipe different but be all less than two kinds of feeding beads (222) of 1 and float over liquid level, proportion slightly little upper proportion slightly large under, feeding bead (222) pressing floating organic waste, floating organic waste is crushed on liquid level and participates in below decomposing.The feeding bead that adopts two kinds of different specific weights is to destroy the bearing capacity of feeding bead to the organic waste dropping under liquid level, makes feeding bead (222) floating upper liquid level as early as possible
Organic waste does not directly contact liquid level while input, but after pressing upper strata feeding bead (222), Ya Zhe lower floor's feeding bead (222) is being pressed floating organic waste again, under action of gravity, crashes into below liquid level.Round and smooth and the buoyancy of feeding bead (222) makes it under liquid level, can not support the organic waste of input and floats to liquid level, the organic waste dropping into continues pressing floating organic waste to move downward under gravity inertial effect, and the floating organic waste of lower floor and the heavy organic waste of input enter drapery panel (26) working range and be sent to the hydrolysis sour pond of product (2).
Above-mentioned sour sorter (4) structure and effect as aforementioned.Power rail (54) moves downward, and acid pump piston is servo-actuated, and pump internal pressure increases, and normal opening is closed, and normally closed port is opened, and acetic acid is sent into aerogenesis pond.Power rail (54) moves upward, and acid pump piston is servo-actuated, and pump internal pressure reduces, and normal opening is opened, and normally closed port is closed.
There are one-way constant pressure valve and conduit (101), energy storage (102) bidirectional relief valve (103) in above-mentioned aerogenesis pond (1).One-way constant pressure valve and conduit (101) lead to gas holder (10), in the time that pond internal gas pressure reaches definite value, open and supply gas, and air pressure is closed after lower than definite value.After water is resolved in aerogenesis pond, overflow enters energy storage (102), opens bidirectional relief valve (103) after reaching certainweight and flows out through accumulating, and flows out the optional recovery of direction or enters water drain.
Gas holder (10) is collected storing methane, hydrogen, for life or recovery.
The present invention is a kind of during for the feeding intake and move of indoor organic waste acid sorting anaerobic digestion process, depresses power rail (54) and opens that airtight valve (221), agitating plate (25) and drapery panel (26) move, acid pump piston (301) moves downward pump acetic acid and enters aerogenesis pond (1).The interior liquid level of acid sorter (4) declines, and increases with supernatant liquid level drop, and supernatant liquor supplements fast, and supernatant liquid chamber liquid level also declines.
Virgin material drops into, and supernatant liquid chamber liquid level gos up.After feeding intake, spring force moves upward power rail (54), and reverse motion, acid pump piston (301) are upwards mentioned again, airtight valve (221) closes for agitating plate (25) and drapery panel (26).
Organic waste enters hydrolysis by opening for feed and produces sour pond, and solid-liquid is chosen useful acetic acid and companion after transforming
Angry body pumps into aerogenesis pond, and gas and water are resolved in acetic acid gasification, and gas is pressed into gas holder, the recyclable water drain that also can enter of water.Decomposition course uniflux, turnover balance, decomposition efficiency improves.
A kind of application at bathroom for indoor organic waste acid sorting anaerobic digestion process of the present invention.
The feature of acid sorting anaerobic digestion device and efficiency is very convenient is combined with daily life.The hydrolysis of small area is produced top, supernatant liquid zone, sour pond and is laid closet, and large-area hydrolysis is produced top, hydrolysis Chan Suan district, sour pond and made shower platform, and gas holder is laid wash trough on top, and sour sorter can lay to connect two ponds with steric requirements arbitrarily.The environmental protecting device variable body of specialty is the necessary bathroom accessory system of life.
Produce supernatant liquid zone, sour pond top in hydrolysis and lay self acting that we the apply for a patent appearance health care closet (5) of squatting, it has seat board (51), cover plate backrest (52), spring (53), power rail (54), upper piston (511), upper cylinder (512), lower piston (513), lower oil cylinder (514), pedal (515), oil pipe (516), 904, water shoot, 905, draining filter basket, 906, waste water import.See Fig. 2.
While preparing defecation, sit to closet, seat board (51) is depressed by human body weight, and the power rail (54) being attached thereto moves downward thereupon, open airtight valve (221), depress acid pump (3) piston to aerogenesis pond (1) pump acetic acid, stir agitating plate (25), rotate drapery panel (26); The upper piston (511) being attached thereto moves downward in compressing upper cylinder (512) oil thereupon and flows to lower oil cylinder (514) and promote lower piston (513) and move upward, upper and lower travel of piston is inversely proportional to oil cylinder area, rise pedal (515) improve both legs extremely with health into about defecation the best of 35 degree appearance position of squatting.
When defecation, organic waste enters the decomposition sour pond of product (2) from opening for feed (22) and starts sour sorting anaerobic digestion.
After defecation, rise immediately, human body weight push down on the pedal (515), lower piston (513) is pressed into hydraulic efficiency oil upper cylinder (512) downwards, upper piston (511) moves upward, in conjunction with spring (53) elastic force, seat board (51) moves upward, and power rail (54) moves upward thereupon, mentions sour pump (3) piston, stirs agitating plate (25), rotates drapery panel (26), closes airtight valve (221).Original position before each portion recovers just.Wash one's hands at wash trough (6) after an action of the bowels,, waste water enters toilet flushing from waste water import (906) after filter (61), discharges waste heat enter water drain from water shoot (904) in draining filter basket (905) is removed foreign material, mistake pond after arranging smelly water seal (9).
Hydrolysis is produced the sour pond charging mouth of pipe (22) and is led to atmosphere, have at ordinary times charging mouth of pipe airtight valve (221) to cut off, but when defecation, airtight valve (221) is opened, and in feed-pipe, from then on the ight soil of accumulation and the foul smell of fermentation can overflow indoor residual, affect environmental health.Use siphon to arrange smelly water seal (9) UNICOM water drain and can, constantly utilizing washes to discharge foul smell at ordinary times, avoid accumulation, when defecation, open airtight valve (221) and also overflow without foul smell.
Arrange in smelly water seal (9) and establish J type pipe (901), short side is submerged water seal district (902) below the water surface, long
Side is led to the critical place of the above gas-liquid of the charging mouth of pipe (22) liquid level and end face arranges filter screen.In pipe, there is water, prevent that sewer odor from entering the charging mouth of pipe (22) more than liquid level.Because foul smell major ingredient is hydrogen sulfide, its relative density 1.19, air relative density 1, therefore foul smell can sink to J type pipe (901).
The charging mouth of pipe (22) liquid level and airtight valve (221) space are less, and in pond, liquid level, can be from J type pipe (901) overflow in the time that pressure increases the rising of the charging mouth of pipe (22) liquid level with pond Inner pressure change, and in overflow liquid compressing pipe, foul smell is discharged to water drain.In the time that foul smell in the charging mouth of pipe (22) builds up to pressure and is greater than water drain air pressure, can discharge to water drain from J type pipe (901).
When washing or shower, wastewater flow rate is larger, and waste water gravity through water shoot (904) produces sour pond (2) release waste heat to be full of siphon district (903) by decomposition after makes siphon district (903) parital vacuum form siphon power quickening waste water downwards and supplements discharge; The interior water level of J type pipe (901) changes with wastewater flow rate, and when the water yield is large, the water level extruding charging mouth of pipe (22) foul smell that raises is discharged to water drain from J type pipe (901) during higher than water drain air pressure when pressure; After Quick drainage, water level declines rapidly and forms the negative pressure sucking-off charging mouth of pipe (22) foul smell and discharge from water drain.
Opening for feed top is provided with atmosphere check valve (223), and in the time that between the charging mouth of pipe (22) liquid level and airtight valve (221), pressure is greater than barometric point, atmosphere check valve (223) is closed and prevented that foul smell from leaking; When row is smelly while making between the charging mouth of pipe (22) liquid level and airtight valve (221) that pressure is less than barometric point, atmosphere check valve (223) is opened, and when atmosphere enters to inside and outside air pressure balance, closes.
2, smelly water seal is arranged in siphon
Siphon is arranged smelly water seal (9) and is made up of J type pipe (901), water seal district (902), siphon district (903), water shoot (904).Waste water enters in water seal district (902) and stops the sealing of water shoot (904) upper and lower ends gas circuit from water shoot, and sewer odor can not overflow.When the little deficiency of wastewater flow rate is full of siphon district (903), overflows and flow to water drain from water seal district (902).The short side outlet of J type pipe (901) higher than the outlet of water shoot (904) upper end, prevents that foul smell from overflowing from water shoot (904) lower than water seal district (902) water surface.
The present invention innovates anaerobic digestion process, effectively saves space, shortens the decomposition cycle; Planning of science activities incorporates indoor organic waste anaerobic digestion renewable energy device the living space of bathroom dexterously, and makeup is set to invisible, has both solved the problem that takies certain space, again environmental protection and daily life is combined closely; Utilize washes toilet flushing, suction peculiar smell, solved the remaining problem of peculiar smell; In high-quality life process, inadvertently realizing water saving, digestion ight soil and food refuse, the renewable energy resources is user's extra earning.
Bathroom of the present invention has nourishing function, and non-flushing, need not operate, need not consume energy, automatically digestion of solid organic waste the renewable energy resources.Can save 100% flushing water purification, digest the food refuse of whole ight soil and 95%.Not only improved the quality of living but also protection of the environment.A kind of indoor organic waste acid sorting anaerobic digestion process of the present invention and device, help people to keep correct defecation posture to protect the health, digestion organic waste protection of the environment automatically.
Brief description of the drawings
Fig. 1 is fermentation flow process and food chain and Energy distributing map,
Fig. 2 is sour sorter and acid pump structure iron,
fig. 3 is sour sorting anaerobic digestion device and bathroom application structure figure,
Fig. 4 is that smelly sealing structure for water figure is arranged in siphon.
1, aerogenesis pond; 2, is produced from sour pond in hydrolysis; 3, acid pump; 4, sour sorter; 5, the self acting appearance health care closet of squatting; 6, wash trough; 7, shower platform; 8, floor drain; 9, arrange smelly water seal; 10, gas holder; 21, air chamber and airway; 22, decompose and produce the sour pond charging mouth of pipe; 23, coarse filtration grid; 24, supernatant liquid chamber; 25, agitating plate; 26, drapery panel; 27, slag notch; 41, air pressure self-circulating pump; 51, seat board; 52, cover plate backrest; 53, spring; 54, power rail; 61, strainer; 101, one-way constant pressure valve and conduit; 102, energy storage; 103, bidirectional relief valve; 221, opening for feed airtight valve; 222, feeding bead; 223, atmosphere check valve; 241, supernatant liquor discharge outlet; 251, agitating plate supports; 252, agitating plate chute; 261, drapery panel supports; 511, upper piston; 512, upper cylinder; 513, lower piston; 514, lower oil cylinder; 515, pedal; 516, oil pipe; 541, power rail guide bracket; 542, guide block; 901, J type pipe; 904, water shoot;
Draining filter basket; 906, waste water import.
Embodiment
A kind of indoor organic waste acid sorting anaerobic digestion process concrete steps of the present invention are as follows:
1, fast enriching supernatant liquor in the sour pond of product, relatively stable supernatant liquid level, provides balanced lasting sorting
Source.
2, autonomous container acid sorter is set, will produces supernatant liquor in sour pond and introduce sorter, various acid divides in acid
Select in device and continue fermentation by the coexistence of proportion natural layering.
3, in sour sorter, the bottom of acetic acid layer arranges acid pump, often drives mouth into and leads to sorter acetic acid layer, and aerogenesis pond is led in the normally closed outlet of contour distribution, and advection pumping acetic acid is saved pump power.
In sorter, the middle and upper part of acetic acid layer arranges air pressure self-circulating pump, often drives mouth into and leads to sorter acetic acid layer, and aerogenesis pond is led in the normally closed outlet of contour distribution, the gases such as advection pumping acetic acid, hydrogen, methane.
The device of a kind of indoor organic waste acid sorting anaerobic digestion process of the present invention:
Apparatus of the present invention are produced sour pond (2), sour sorter (4), aerogenesis pond (1), gas holder (10), health care closet (5), wash trough (6), shower platform (7), floor drain (8) and are formed by being hydrolyzed.Sour pond (2), sour sorter (4) are produced in hydrolysis, aerogenesis pond (1) is positioned at bottom.Gas holder (10) is positioned at top, aerogenesis pond (1); Wash trough (6) is positioned at gas holder (10) top; Health care closet (5) is positioned at hydrolysis and produces top material inlet mouth place, sour pond (2); Shower platform (7), floor drain (8) are positioned at hydrolysis and produce top, sour pond (2).
Produce supernatant liquor container area in sour pond for dwindling: will produce the supernatant liquid zone that sour pond (2) is divided into large-area decomposing and fermenting district and small area with coarse filtration grid, Area Ratio is not less than 8-10, make supernatant liquor lift height in the time dwindling container area of equivalent, increase flooding velocity.There are air chamber and supernatant liquid chamber in supernatant liquid zone, and air chamber, for falling funnel-form, is convenient to collect gas for large mouthful, and osculum is given vent to anger; Supernatant liquid chamber is funnel-form, and osculum is supernatant liquor import, and liquid level rising volume expands, not only can guaranteed capacity but also avoid liquid level acute variation also gas to be pressed; Supernatant liquid chamber liquid level is higher than air chamber liquid level; Produce a small amount of hydrogen, the methane that in sour pond, produce and enter aerogenesis pond by air pressure self-circulating pump after air chamber is assembled; After supernatant liquor fine filtering, overflow enters sorter.
Feed-pipe is through the feeding of supernatant liquid zone to decomposing and fermenting district, and feed-pipe and supernatant liquid chamber Inner liquid level are contour, and two liquid level Area Ratios expand to and more than 30 can reduce opening for feed liquid level and fluctuate up and down and cause the also relatively stable supernatant liquid level of overflow from arranging smelly J type pipe.
Above-mentioned sorter (4) is autonomous container, and top has fine filtering grid (401) and the hydrolysis sour pond of product (2) to be communicated with, and bottom has separation net grid (402) and non-return valve (403) to be communicated with the hydrolysis sour pond of product (2).The middle part acid pump (3) that arranges on the lower side, acid pump (3) often drive that mouthful (302) are communicated with sour sorter (4) into, normally closed outlet (303) is communicated with aerogenesis pond (1) with often driving mouth into (302) are contour.The middle part air pressure self-circulating pump (41) that arranges on the upper side, air pressure self-circulating pump (41) often drive that mouthful (412) are communicated with sour sorter (4) into, normally closed outlet (411) is communicated with aerogenesis pond (1) with often driving mouth into (412) are contour.(Fig. 1)
Supernatant liquor does not reach before overflow height, absence of liquid in container, pond bottom pressure is greater than container bottom pressure non-return valve (403) and closes, after supernatant liquid level rises, after fine filtering grid (401) overflow enters container, each acid is deposited by density size layering, raise with liquid level in container, container bottom pressure also raises, and waits in container liquid level and supernatant liquid level when high, pond bottom pressure equals container bottom pressure non-return valve (403) to be opened, both UNICOMs.In the time stirring, in pond, the upper power of the liquid flow direction makes the acid that container bottom density is large enter continuation decomposition in pond again.Acid pump (3) is located acetic acid layer, in the time of its work, in container, liquid level reduces, and container bottom pressure also reduces, while waiting the interior liquid level of container lower than supernatant liquid level, pond bottom pressure is greater than container bottom pressure non-return valve (403) closes, and separation net grid (402) prevent that large proportion solid from entering container.
Acid pump (3) advection is carried, and acetic acid above constantly supplements by gravity, and lactic acid below, formic acid deadweight are without the suction portion of still keeping on file.Air pressure self-circulating pump (41) will be hydrolyzed and produce the interior hydrogen in sour pond (2), methane gas is closed and often driven mouthful (412) in the time that air pressure exceedes aerogenesis pond (1), open normally closed outlet (411) and automatically import aerogenesis pond (1) together with acetic acid in pump.
Acid sorting anaerobic digestion device produces sour pond (2), sour sorter (4), aerogenesis pond (1), gas holder (10), spring (53) by being hydrolyzed, power rail (54) forms.See Fig. 2.
Hydrolysis is produced in sour pond (2) and is separated by coarse filtration grid (23), below for hydrolysis Chan Suan district, be supernatant liquid zone above.The charging mouth of pipe (22) is provided with airtight valve (221), feeding bead (222), atmosphere check valve (223), J type pipe (901), and feed-pipe (22) enters hydrolysis Chan Suan district through supernatant liquid zone and coarse filtration grid (23).
Supernatant liquid zone is provided with air chamber (21), supernatant liquid chamber (24).Air chamber top is provided with airway and leads to sour sorter internal gas pressure self-circulating pump (41).Supernatant liquid chamber (24) top has overflow port to pass through fine filtering grid to be communicated with sour sorter; Top has supernatant liquor discharge outlet (241) to be communicated with water drain by Special water seal, prevents that sewer odor from entering, and in the time occurring that pressure anomaly increases severely, discharges supernatant liquor to water drain, avoids acid solution to gush.
In hydrolysis Chan Suan district, there are coarse filtration grid (23), slag notch (27), agitating plate (25), agitating plate to support (251), agitating plate chute (252), drapery panel (26), drapery panel support (261), power rail (54), power rail guide bracket (541), guide block (542).Power rail guide bracket (541) supports and limits power rail (54) direction of motion.Power rail (54) moves up and down with guide block (542), and agitating plate (25) is seesawed with agitating plate chute (252).Drapery panel (26) has axle sleeve and the plate and the shift fork that become 90 degree, and shift fork moves forward and backward with agitating plate (25), makes axle sleeve support (261) axle around drapery panel and rotates about, and plate is servo-actuated.Drapery panel supports (261) not only supports cloth flitch (26) but also limit agitating plate (25) direction of motion.
Organic waste enters after the charging mouth of pipe, sinks under heavy under the effect of drapery panel (26), to enter hydrolysis and produce sour pond (2), and what proportion was little float over, and the charging mouth of pipe (22) cannot enter that hydrolysis produces that sour pond (2) decomposes causes decomposition cycle stretch-out; When defecation because liquid level more easily splashes sewage pollution health.Self-feeding bead (222) solves two problems.
Place proportion at the charging mouth of pipe different but be all less than two kinds of feeding beads (222) of 1 and float over liquid level, proportion slightly little upper proportion slightly large under, feeding bead (222) pressing floating organic waste, floating organic waste is crushed on liquid level and participates in below decomposing.
The feeding bead that adopts two kinds of different specific weights is to destroy the bearing capacity of feeding bead to the organic waste dropping under liquid level, makes feeding bead (222) floating upper liquid level as early as possible
Organic waste does not directly contact liquid level while input, but after pressing upper strata feeding bead (222), Ya Zhe lower floor's feeding bead (222) is being pressed floating organic waste again, under action of gravity, crashes into below liquid level.Round and smooth and the buoyancy of feeding bead (222) makes it under liquid level, can not support the organic waste of input and floats to liquid level, the organic waste dropping into continues pressing floating organic waste to move downward under gravity inertial effect, and the floating organic waste of lower floor and the heavy organic waste of input enter drapery panel (26) working range and be sent to the hydrolysis sour pond of product (2).
Acid sorter (4) structure and effect as aforementioned.Power rail (54) moves downward, and acid pump piston is servo-actuated, and pump internal pressure increases, and normal opening is closed, and normally closed port is opened, and acetic acid is sent into aerogenesis pond.Power rail (54) moves upward, and acid pump piston is servo-actuated, and pump internal pressure reduces, and normal opening is opened, and normally closed port is closed.
There are one-way constant pressure valve and conduit (101), energy storage (102) bidirectional relief valve (103) in aerogenesis pond (1).One-way constant pressure valve and conduit (101) lead to gas holder (10), in the time that pond internal gas pressure reaches definite value, open and supply gas, and air pressure is closed after lower than definite value.After water is resolved in aerogenesis pond, overflow enters energy storage (102), opens bidirectional relief valve (103) after reaching certainweight and flows out through accumulating, and flows out the optional recovery of direction or enters water drain.Gas holder (10) is collected storing methane, hydrogen, for life or recovery.
Claims (7)
1. an indoor organic waste acid sorting anaerobic digestion process, it is characterized in that: on the basis of TPAD technique, between product sour aerogenesis two rank, increase sour sorting process, product acid phase is produced to sour sorting and produce the required acetic acid supply product methane phase of methane phase, concrete steps are as follows:
A, producing fast enriching supernatant liquor in sour pond, relatively stable supernatant liquid level, provides balanced lasting sorting
Source;
Autonomous container acid sorter is set, will produces supernatant liquor in sour pond and introduce sorter, various acid divides in acid
Select in device and continue fermentation by the coexistence of proportion natural layering;
B, in sour sorter, the bottom of acetic acid layer arranges acid pump, often drives into mouthful to lead to sorter acetic acid layer, and aerogenesis pond is led in the normally closed outlet of contour distribution, and advection pumping acetic acid is saved pump power;
C, in sorter, the middle and upper part of acetic acid layer arranges air pressure self-circulating pump, often drives into mouthful to lead to sorter acetic acid layer, and aerogenesis pond is led in the normally closed outlet of contour distribution, the gases such as advection pumping acetic acid, hydrogen, methane.
2. the device for indoor organic waste acid sorting anaerobic digestion process, it is characterized in that: formed by the sour pond of hydrolysis product (2), sour sorter (4), aerogenesis pond (1), gas holder (10), health care closet (5), wash trough (6), shower platform (7), floor drain (8), sour pond (2), sour sorter (4) are produced in hydrolysis, aerogenesis pond (1) is positioned at bottom, and gas holder (10) is positioned at top, aerogenesis pond (1); Wash trough (6) is positioned at gas holder (10) top; Health care closet (5) is positioned at hydrolysis and produces top material inlet mouth place, sour pond (2); Shower platform (7), floor drain (8) are positioned at hydrolysis and produce top, sour pond (2), above-mentioned product acid pond (2) is divided into the sour pond of product with coarse filtration grid the supernatant liquid zone of large-area decomposing and fermenting district and small area, Area Ratio is not less than 8-10, make supernatant liquor lift height in the time dwindling container area of equivalent, increase flooding velocity, there are air chamber and supernatant liquid chamber in supernatant liquid zone, and air chamber is for falling funnel-form, be convenient to collect gas for large mouthful, osculum is given vent to anger; Supernatant liquid chamber is funnel-form, and osculum is supernatant liquor import, produces a small amount of hydrogen, the methane that in sour pond, produce and enter aerogenesis pond by air pressure self-circulating pump after air chamber is assembled; After supernatant liquor fine filtering, overflow enters sorter, feed-pipe passes the feeding of supernatant liquid zone to decomposing and fermenting district, feed-pipe and supernatant liquid chamber Inner liquid level are contour, and two liquid level Area Ratios expand to and more than 30 can reduce opening for feed liquid level and fluctuate up and down and cause overflow the relatively stable supernatant liquid level from arranging smelly J type pipe.
3. a kind of device for indoor organic waste acid sorting anaerobic digestion process as claimed in claim 2, it is characterized in that: above-mentioned sour sorter (4) top has fine filtering grid (401) and the hydrolysis sour pond of product (2) to be communicated with, bottom has separation net grid (402) and non-return valve (403) to be communicated with the hydrolysis sour pond of product (2); The middle part acid pump (3) that arranges on the lower side, acid pump (3) often drive that mouthful (302) are communicated with sour sorter (4) into, normally closed outlet (303) is communicated with aerogenesis pond (1) with often driving mouth into (302) are contour; The middle part air pressure self-circulating pump (41) that arranges on the upper side, air pressure self-circulating pump (41) often drive that mouthful (412) are communicated with sour sorter (4) into, normally closed outlet (411) is communicated with aerogenesis pond (1) with often driving mouth into (412) are contour.
4. a kind of device for indoor organic waste acid sorting anaerobic digestion process as claimed in claim 2, it is characterized in that: be provided with sour sorter, feeding bead automatic cloth feed material, described sour sorting anaerobic digestion device produces sour pond (2), sour sorter (4), aerogenesis pond (1), gas holder (10), spring (53), power rail (54) and forms by being hydrolyzed;
Hydrolysis is produced in sour pond (2) and is separated by coarse filtration grid (23), below for hydrolysis Chan Suan district, be supernatant liquid zone above; The charging mouth of pipe (22) is provided with airtight valve (221), feeding bead (222), atmosphere check valve (223), J type pipe (901), and feed-pipe (22) enters hydrolysis Chan Suan district through supernatant liquid zone and coarse filtration grid (23);
Supernatant liquid zone is provided with air chamber (21), supernatant liquid chamber (24), and air chamber top is provided with airway and leads to sour sorter internal gas pressure self-circulating pump (41);
Supernatant liquid chamber (24) top has overflow port to pass through fine filtering grid to be communicated with sour sorter; Top has supernatant liquor discharge outlet (241) to be communicated with water drain by Special water seal, prevents that sewer odor from entering, and in the time occurring that pressure anomaly increases severely, discharges supernatant liquor to water drain, avoids acid solution to gush;
Hydrolysis has coarse filtration grid (23) in Chan Suan district, slag notch (27), agitating plate (25), agitating plate supports (251), agitating plate chute (252), drapery panel (26), drapery panel supports (261), power rail (54), power rail guide bracket (541), guide block (542), power rail guide bracket (541) supports and limits power rail (54) direction of motion, power rail (54) moves up and down with guide block (542), agitating plate (25) is seesawed with agitating plate chute (252), drapery panel (26) has axle sleeve and the plate and the shift fork that become 90 degree, shift fork moves forward and backward with agitating plate (25), making axle sleeve support (261) axle around drapery panel rotates about, plate is servo-actuated,
Drapery panel supports (261) not only supports cloth flitch (26) but also limit agitating plate (25) direction of motion,
Place proportion at the charging mouth of pipe different but be all less than two kinds of feeding beads (222) of 1 and float over liquid level, proportion slightly little upper proportion slightly large under, feeding bead (222) pressing floating organic waste, floating organic waste is crushed on liquid level and participates in below decomposing, the feeding bead that adopts two kinds of different specific weights is to destroy the bearing capacity of feeding bead to the organic waste dropping under liquid level, makes feeding bead (222) floating upper liquid level as early as possible
The power rail (54) of above-mentioned sour sorter (4) moves downward, and acid pump piston is servo-actuated, and pump internal pressure increases, and normal opening is closed, normally closed port is opened, and acetic acid is sent into aerogenesis pond, and power rail (54) moves upward, and acid pump piston is servo-actuated, pump internal pressure reduces, and normal opening is opened, and normally closed port is closed.
5. a kind of device for indoor organic waste acid sorting anaerobic digestion process as claimed in claim 2, it is characterized in that: there are one-way constant pressure valve and conduit (101) in above-mentioned aerogenesis pond (1), energy storage (102) bidirectional relief valve (103), one-way constant pressure valve and conduit (101) lead to gas holder (10), in the time that pond internal gas pressure reaches definite value, open and supply gas, air pressure is closed after lower than definite value, after water is resolved in aerogenesis pond, overflow enters energy storage (102), open bidirectional relief valve (103) after reaching certainweight and flow out through accumulating, flow out the optional recovery of direction or enter water drain.
6. a kind of device for indoor organic waste acid sorting anaerobic digestion process as claimed in claim 2, it is characterized in that: the top of producing supernatant liquid zone, sour pond in hydrolysis is provided with the appearance health care closet (5) of squatting, it has seat board (51), cover plate backrest (52), spring (53), power rail (54), upper piston (511), upper cylinder (512), lower piston (513), lower oil cylinder (514), pedal (515), oil pipe (516), 904, water shoot, 905, draining filter basket, 906, waste water import, seat board (51) with power rail (54) be connected and move downward thereupon, open airtight valve (221), depress acid pump (3) piston to aerogenesis pond (1) pump acetic acid, stir agitating plate (25), rotate drapery panel (26), the upper piston (511) being attached thereto moves downward in compressing upper cylinder (512) oil thereupon and flows to lower oil cylinder (514) and promote lower piston (513) and move upward, upper and lower travel of piston is inversely proportional to oil cylinder area, rise pedal (515) improve both legs extremely with health into about defecation the best of 35 degree appearance position of squatting.
7. a kind of device for indoor organic waste acid sorting anaerobic digestion process as claimed in claim 2, it is characterized in that: hydrolysis is produced the sour pond charging mouth of pipe (22) and led to atmosphere, if smelly water seal (9) UNICOM water drain is arranged in siphon, siphon is arranged smelly water seal (9) and is made up of J type pipe (901), water seal district (902), siphon district (903), water shoot (904), the short side outlet of J type pipe (901) higher than the outlet of water shoot (904) upper end, prevents that foul smell from overflowing from water shoot (904) lower than water seal district (902) water surface; Arrange in smelly water seal (9) and establish J type pipe (901), short side is submerged water seal district (902) below the water surface, and long side leads to the critical place of the above gas-liquid of the charging mouth of pipe (22) liquid level and end face arranges filter screen; In pipe, there is water, prevent that sewer odor from entering the charging mouth of pipe (22) more than liquid level; Opening for feed top is provided with atmosphere check valve (223), and in the time that between the charging mouth of pipe (22) liquid level and airtight valve (221), pressure is greater than barometric point, atmosphere check valve (223) is closed and prevented that foul smell from leaking; When row is smelly while making between the charging mouth of pipe (22) liquid level and airtight valve (221) that pressure is less than barometric point, atmosphere check valve (223) is opened, and when atmosphere enters to inside and outside air pressure balance, closes.
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| CN201410400741.9A CN104176894B (en) | 2014-08-15 | A kind of indoor organic waste acid sorting anaerobic digestion process and device |
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| CN201410400741.9A CN104176894B (en) | 2014-08-15 | A kind of indoor organic waste acid sorting anaerobic digestion process and device |
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