CN107074600A - Solubilized device - Google Patents

Solubilized device Download PDF

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Publication number
CN107074600A
CN107074600A CN201580051989.1A CN201580051989A CN107074600A CN 107074600 A CN107074600 A CN 107074600A CN 201580051989 A CN201580051989 A CN 201580051989A CN 107074600 A CN107074600 A CN 107074600A
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solubilized
groove
organic waste
lowermost
conveyed
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吉赫哲
石桥康弘
中道隆广
川上茂树
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Japan Corp
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Japan Corp
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • C02F11/04Anaerobic treatment; Production of methane by such processes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M1/00Apparatus for enzymology or microbiology
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

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  • Chemical & Material Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Sustainable Development (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Molecular Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Sludge (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

A kind of solubilized device (100), it is solubilized by the organic waste conveyed to methane fermentation groove.First storagetank (10) stores the organic waste before being conveyed to methane fermentation groove.Solubilized groove row (11,12) multiple solubilized groove (11A~11C are connected in series, 12A~12C), putting into the solubilized groove (11A of uppermost, organic waste 12A) is successively to the solubilized groove (11B of hypomere, 12B) conveying and from the solubilized groove (11C of lowermost, during 12C) being conveyed to storagetank (13), the solubilization of organic waste is carried out in each solubilized groove (11A~11C, 12A~12C).From the solubilized groove (11A of uppermost, 12A) to lowermost solubilized groove previous solubilized groove (11B, path (the 30A of conveying organic waste 12B), height 30B), than the solubilized groove (11C in lowermost, 12C) height of the path (31A, 31B) of conveying organic waste is low between the previous solubilized groove (11B, 12B) of the solubilized groove of lowermost.

Description

Solubilized device
Technical field
The present invention relates to solubilized device.
Background technology
, will before methane fermentation processing is carried out to organic wastes such as sewage sludge, excrement of animals and garbages The solubilized device of organic waste has been disclosed (for example, referring to patent document 1).Such as device, if Organic given up Solvable turn to of gurry can use hard-decomposed solid organic matters contained in organic waste as the matrix of microorganism Degree, then can improve the fermentation efficiency of methane gas.
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2011-83761 publications
The content of the invention
Invent problem to be solved
But, according to the device of above-mentioned patent document 1, it is provided only with a superhigh temperature in the leading portion of methane fermentation groove solubilized Groove.Therefore, do not carry out sufficiently it is solubilized in the state of organic waste be just admitted to methane fermentation groove, methane fermentation Efficiency may be reduced.
The present invention be in view of above-mentioned actual conditions and make, its object is to can efficiently be carried out there is provided one kind can Dissolve the solubilized device of processing.
Means for solving the problems
To achieve these goals, the present invention provides a kind of solubilized device, its by methane fermentation groove convey it is organic Property discarded object is solubilized, possesses:
Storagetank, it stores the organic waste before being conveyed to the methane fermentation groove;And
Solubilized groove row, it is connected in series multiple solubilized grooves, is given up in the Organic for putting into the solubilized groove of uppermost During gurry is conveyed to the solubilized groove of hypomere and conveyed from the solubilized groove of lowermost to the storagetank successively, described The solubilization of the organic waste is carried out in each solubilized groove,
From the solubilized groove of the uppermost to having described in the conveying of the previous solubilized groove of the solubilized groove of the lowermost The height of the path of machine discarded object, it is more previous than the solubilized groove in the lowermost and the solubilized groove of the lowermost The height that the path of the organic waste is conveyed between solubilized groove is low.
Can also be that in each solubilized groove, superhigh temperature solubilization is carried out using protease generation bacterium.
Can also be also equipped with ammonia adsorption section, the ammonia adsorption section is inhaled from the waste liquid from each solubilized groove discharge It is attached and except deammoniation.
Can also be that the back side of the lid of each solubilized groove is tilted downwards from the center toward the outer edge,
It is provided with the peripheral part of the lid and is stored in the groove portion of water droplet that the back side is transmitted and flowed,
The outlet for being provided with the liquid discharge for would be stored at the groove portion in the groove portion and being conveyed to the ammonia adsorption section.
Can also be, row of each solubilized groove in addition to the solubilized groove except the lowermost provided with discharge sludge Go out portion.
Can also be also equipped with precipitating separating tank, it reclaims the sludge discharged from the discharge unit and is precipitated separation,
The upper clear liquid of the precipitation separating tank is set to return to the solubilized groove row.
Invention effect
According to the present invention, the organic waste conveyed to methane fermentation groove uses the multiple solubilized grooves being connected in series Stored by multistage solubilization to storagetank.In addition, organic waste is transported to rapidly one of lowermost Solubilized groove before, after dispersedly being handled in each solubilized groove, the solubilized groove of feeding lowermost carries out final process.This Sample, can be with the solvable of tremendous raising organic waste if dividing solubilized groove and carrying out solubilization stage by stage Rate.As a result, the methane fermentation efficiency of organic waste can be significantly improved.
Brief description of the drawings
Fig. 1 is the knot that is related to of processing for the organic waste for representing the solubilized device according to embodiment of the present invention 1 The sectional view of structure.
Fig. 2 is the sectional view of one of the superstructure for representing solubilized groove.
Fig. 3 is the sectional view for the structure that the ammonia desorption in the solubilized device for represent Fig. 1 is related to.
Fig. 4 is the sectional view for representing the structure that the recovery of the upper clear liquid in the solubilized device according to Fig. 1 is related to.
Fig. 5 is the structure that is related to of processing for the organic waste for representing the solubilized device according to embodiment of the present invention 2 Sectional view.
Embodiment
Hereinafter, the embodiment that present invention will be described in detail with reference to the accompanying.
Embodiment 1.
First, embodiments of the present invention 1 are illustrated.
Fig. 1 represents the overall structure of solubilized device 100.The solubilized device 100 is solubilized by organic waste And it is sent to methane fermentation groove.That is, solubilized device 100 is the pretreating device of methane fermentation.Organic waste is for example It is sewage sludge, feces of livestock and poultry, garbage etc..
As shown in figure 1, solubilized device 100 possesses the first storagetank 10, solubilized groove 11A, 11B, 11C, solubilized groove 12A, 12B, 12C and the second storagetank 13.In present embodiment, the solubilized groove pair of solubilized groove 11A, 12A and uppermost Should, solubilized groove 11B, 12B are corresponding with the solubilized groove in stage casing, the solubilized groove 11C of solubilized groove 11B, 12B and lowermost, 12C correspondences.
First storagetank 10 temporarily stores organic waste.The organic waste stored in first storagetank 10 passes through Single-screw (single screw) pump or screw pump are selectively supplied to solubilized groove 11A or solubilized grooves 12A.
Solubilized groove 11A, 11B, 11C, solubilized groove 12A, 12B, 12C carry out solubilization under superhigh temperature.Each In solubilized groove 11A~11C, 12A~11C, the organic waste of supply is aerobic by using high temperature for example at 80 DEG C The heat resistance protease generation superhigh temperature solubilization of bacterium of bacterium generation and it is solubilized.
Each solubilized groove 11A~11C, 12A~12C, which is provided with, to be used to make to turn into the heater of high temperature in groove.Each solubilized Mixer and motor for stirring organic waste is installed in groove 11A~11C, 12A~12C groove.And then, each Solubilized groove 11A~11C, 12A~12C is provided with the air insert port for being used for that air to be supplied into organic waste.So, exist In solubilized groove 11A~11C, solubilized groove 12A~12C, by being stirred or being aerated (Japanese:ば っ I) promote it is solvable Change.Above-mentioned high temperature aerobism refers to temperature being set to 50 DEG C~100 DEG C, does not preferably apply pressure and in standard state (air Under atmosphere) by the solubilized state of organic waste.
Solubilization process refers to that the organic compound of the usual macromolecule shape by solid-like or the suspended shape of water is decomposed to It is dissolvable in water the process of the low molecule state of water.In the embodiment, implement superhigh temperature using protease generation bacterium solubilized.Egg White enzyme generation bacterium is can be in the external bacterium into secretion protein degrading enzyme (protease) of thalline.Bacterium, example are generated as protease Bacillus species can be such as enumerated, particularly Bacillus sp.MU3 (microorganism patent depository center NITE can be enumerated No. AP-156).The heat resistance protease generation bacterium have at 80 DEG C also can fully activity superhigh temperature aerobism.The bacterium The molecular weight of the enzyme of generation about 57,000, shows excellent heat resistance, has high breaks down proteins energy in the range of wide pH.
Superhigh temperature refers to 50 DEG C~100 DEG C, is preferably 60 DEG C~90 DEG C, particularly preferably 70 DEG C~80 DEG C.On superelevation Temperature is solubilized, in aqueous solution media, under aerobism or anaerobic conditions, preferably under the conditions of aerobism, Organic is given up Gurry by below 50wt% of organic waste concentration, be preferably 5~40wt%, particularly preferably 10~30wt% amount with Protease generation bacterium contact, carries out superhigh temperature solubilized., can be by raw material under conditions of particularly preferably in the embodiment Solids concentration (DS) improve to organic waste 10~30wt% of concentration, preferably in more than DS20%, pH5~8, preferably For 6 or so, solubilized groove atmosphere is aerobism optimum condition.
Time for being digested by protease generation bacterium is 12~72 hours, is preferably 24~48 hours.Needing In the case of implementing under oxygen or anaerobic conditions, it can implement under stirring, aeration condition.If real in such a situa-tion Apply, then as described later, ammonia can at the scene be removed, the solubilized and ammonia that raw material can be carried out simultaneously is removed, and can promote first Alkane ferments.In the case where using Bacillus sp.MU3 to generate bacterium as protease, because the bacterium is aerobism heat resistance Bacterium, it is possible to solubilized under agitation while aeration in atmosphere, it is most suitable for solubilized, ammonia removing these two aspects Close.
According in the solubilized process of the embodiment, outside removing protein enzyme generation bacterium, can also by Lipase-producing Strain, The thalline that glycosidase producing strains and/or cellulase producing bacteria etc. generate various catabolic enzymes is added alone or in combination.If They are the approximate thalline of breeding, proliferation conditions, then can be used in same reactive tank, but in the case where condition is different, The use under different conditions in other reactive tanks (such as solubilized groove 11A and solubilized groove 11B).In this case, It is preferred that being carried out in the solubilized groove using Lipase-producing Strain, glycosidase producing strains and/or cellulase producing bacteria solubilized Afterwards, carried out in the solubilized groove of high temperature for generating bacterium based on protease solubilized.
Solubilized groove 11A, 11B, 11C are connected in series via path 30A, 31A.It is made up of solubilized groove 11A, 11B, 11C Solubilized groove row 11.Solubilized groove 12A, 12B, 12C are also connected in series via path 30B, 31B.By solubilized groove 12A, 12B, 12C constitutes solubilized groove row 12.Put into uppermost solubilized groove 11A, 12A organic waste via path 30A, 30B is sequentially sent to solubilized groove 11B, the 12B in stage casing, and sends into the second storagetank 13 from solubilized groove 11C, 12C of lowermost. Wherein, in each solubilized groove 11A, 11B, 11C, 12A, 12B, 12C, the solubilization of organic waste is carried out.
So, solubilized groove 11A~11C, 12A~12C will be connected in series, will be entered while organic waste is conveyed successively The situation of the solubilized process of row, compared with the situation for only carrying out solubilized process with a solubilized groove.Initial solubilized In groove 11A, 12A, carried out in the state of organic waste is added such as 16 hours it is solubilized.After 16 hours, receive Be contained in solubilized groove 11A, 12A organic waste carried out it is solubilized to a certain degree in the state of be admitted to solubilized groove 11B、12B。
In solubilized groove 11B, 12B, to having carried out organic waste solubilized to a certain degree, further progress can Dissolve.Solubilized organic waste has been carried out, relative to solubilized organic waste is not carried out, can more efficiently have been entered Row is solubilized.In solubilized groove 11B, 12B, carried out in the state of organic waste is added such as 16 hours it is solvable Change.After 16 hours, the organic waste for being accommodated in solubilized groove 11B, 12B is further carrying out solubilized state Under be admitted to solubilized groove 11C, 12C.
In solubilized groove 11C, 12C, to having carried out organic waste solubilized to a certain degree, further progress can Dissolve.On having carried out solubilized organic waste, relative to not carrying out solubilized organic waste in contrast, Can more efficiently it carry out solubilized.In solubilized groove 11C, 12C, carried out for example in the state of organic waste is added 16 hours solubilized.After 16 hours, solubilized groove 11C, 12C shape of the organic waste in solubilized end are accommodated in The second storagetank 13 is admitted under state.
So, by the way that the small solubilized groove of volume is connected in series, and carry out stage by stage solubilized, can improve each solvable Change the solubilized efficiency in groove, finally can obtain the organic waste of solubilized ultrahigh in efficiency.
In addition, in solubilized groove row 11,12, each solubilized groove is defeated to the solubilized groove (or second storagetank 13) of hypomere Send after organic waste, receive organic waste from the solubilized groove (or first storagetank 10) of epimere, further carry out It is solubilized.This manner it is also possible to prevent the reduction of the treating capacity of the organic waste of time per unit.
As shown in figure 1, being conveyed between solubilized groove 11A, 12A of uppermost and solubilized groove 11B, the 12B in stage casing has Path 30A, 30B of machine discarded object height than solubilized groove 11C, 12C and the solubilized groove 11B in stage casing in lowermost, The height that path 31A, 31B of organic waste are conveyed between 12B is low.That is, uppermost solubilized groove 11A, 12A and in Section solubilized groove 11B, 12B between, convey organic waste path 30A, 30B height be set to it is low, Organic give up Gurry is promptly conveyed.In contrast, stage casing solubilized groove 11B, 12B and lowermost solubilized groove 11C, 12C it Between, path 31A, 31B height for conveying organic waste is set to height, if not organic waste it is solubilized enter After having gone to a certain degree, then processed material will not be admitted to solubilized groove 11C, 12C of lowermost.
So, between solubilized groove 11A, 12A of uppermost and solubilized groove 11B, the 12B in stage casing, it should will handle It is scattered, in order to which organic waste is promptly conveyed to solubilized groove 11B, the 12B in stage casing, and reduce organic waste Path 30A, 30B overall height.In this way, the treatment effeciency of organic waste can be greatly improved, and it can make untreated Organic waste will not pass through solubilized groove row 11,12.
As shown in figure 1, solubilized groove row 11,12 are provided with multiple row side by side.From the lowermost of each solubilized groove row 11,12 can Groove 11C, 12C is dissolved to convey organic waste to the second storagetank 13 successively with the defined cycle.So, by will be solvable Change groove row 11,12 to be set to multiple and alternately handle, the amount for carrying out solubilized organic waste can be increased.
So, reduce the volume of solubilized groove, solubilized groove is connected in series, increases the quantity of row on this basis, by This, can increase the treating capacity of the solubilization of the organic waste of unit interval, and can improve solubilized effect Rate.Organic waste after solubilized turns into the high state of the fermentation efficiency based on methane backeria.
Second storagetank 13 stores the organic waste before being conveyed to methane fermentation groove.
Methane fermentation process is the process of the digestion using methane backeria movable under usual anaerobic atmosphere.Methane The active temperature region of bacterium is generally 0~70 DEG C, also in the presence of in the high-temperature area more than region untill 90 DEG C or so still The strain of existence, but most methane backeria dies.In low-temperature region, it is limited untill 3 DEG C~4 DEG C.The generation of methane gas Speed is influenceed very big by the active temperature.Fermentation tank temperature is higher, and the formation speed of methane gas is faster, gas generated to increase Greatly.
The temperature province that actually methane backeria is easily survived confirms there is following three.Less than (1) 20 DEG C of low-temperature region, (2) 25~35 DEG C of middle temperature area, more than (3) 45 DEG C of high-temperature area.Temperature on the methane fermentation according to the embodiment Degree, low temperature, middle temperature, the methane fermentation of high temperature can be applied, but carry out high-temperature methane fermentation preferably at 40 DEG C~70 DEG C, more It is preferred that carrying out methane fermentation at 50 DEG C~55 DEG C.
When carrying out methane fermentation processing to organic waste of the high temperature after solubilized, (it will be put into by using dry type Solids concentration is set to more than 10% dry type) processing mode, it can efficiently carry out methane fermentation processing, it is possible to which application is dry Formula processing mode.In methane fermentation groove, digestion process is carried out to organic waste using methane fermentation bacterium.The temperature is preferred It is controlled by external heat.The methane gas produced from the methane fermentation groove is collected and is stored in gas tank.
Then, the part for being recovered in the methane gas of gas tank is supplied to gas fired-boiler, as solubilized groove 11A~11C, 12A~12C thermal source is used.Thermal source needed for solubilized groove 11A~11C, 12A~12C and high-temperature methane fermentation tank, passes through combustion Gas boiler is supplied as warm water.
As shown in Fig. 2 the back side 20 of solubilized groove 11A upper cap is tilted downwards from the center toward the outer edge.Therefore, by A part for the steam containing ammonia discharged in high temperature from organic waste condenses at the back side 20 of upper cap, in upper cap Transmit and flowed to peripheral part side in the back side 20.
In solubilized groove 11A, the groove for storing overleaf 20 transmission and the water droplet flowed is provided with the peripheral part of upper cap Portion 21.In the outlet 22 of liquid of the groove portion 21 provided with discharge storage.
In addition, being provided with outlet 23 on solubilized groove 11A lid.The outlet 23 is discharged to be produced by organic waste The steam containing ammonia.
Solubilized groove 11B, 11C, 12A~12C structure are also identical with the structure of the solubilized groove 11A shown in Fig. 2.
As shown in figure 3, solubilized device 100 is also equipped with ammonia adsorption section 14 and mist eliminator 15.Reclaim from each ammonia adsorption section 14 The waste liquid that solubilized groove 11A~11C, 12A~12C outlet 22 is discharged, adsorbs and removes the ammonia contained in the waste liquid.
The steam liquefied that mist eliminator 15 will be discharged from each solubilized groove 11A~11C, 12A~12C outlet 23.It is caught The liquefied waste liquid containing ammonia of day with fog 15 is admitted to ammonia adsorption section 14.Adsorb and remove what is contained in the waste liquid in ammonia adsorption section 14 Ammonia.The ammonia being removed is used as the raw material of ammonium sulfate.
As shown in figure 4, being additionally provided with the discharge unit 25 of the sludge of discharge precipitation in each solubilized groove.Solubilized device 100 is also Possesses the precipitation separating tank 16 for reclaiming the sludge discharged from discharge unit 25 and being precipitated separation.Discharge unit 25 is arranged at each solvable Change groove 11A, 11B, 12A, 12B foot.Precipitation separating tank 16 reclaims the sludge discharged from discharge unit 25 and precipitated point From.In solubilized device 100, the upper clear liquid of precipitation separating tank 16 is set to return to the first storagetank 10.
Then, the action to the solubilized device 100 according to the embodiment 1 is illustrated.
First, organic waste is put into from the first storagetank 10 to solubilized groove 11A.In solubilized groove 11A, carry out Heating, stirring and aeration, and carry out the solubilized of certain time.It is organic in solubilized groove 11A when by the regular hour Property discarded object is conveyed to solubilized groove 11B.Heated, stirred and be aerated in solubilized groove 11B, and carry out certain time It is solubilized.And then, when by the regular hour, the organic waste in solubilized groove 11B is conveyed to solubilized groove 11C. Heated, stirred and be aerated in solubilized groove 11C, and carry out the solubilized of certain time.
In solubilized groove row 11, the step by, the regular hour by organic waste by solubilized groove 11A → Solubilized groove 11B → solubilized groove 11C sequentially-fed, and carry out solubilized.In solubilized groove 11C it is solubilized after it is organic Property discarded object is conveyed to the second storagetank 13.
Time and the processing of solubilized groove row 11 are staggered, in solubilized groove row 12, according to same step certain Time presses organic waste solubilized groove 12A → solubilized groove 12B → solubilized groove 12C sequentially-fed, carries out solvable Change, and conveyed to the second storagetank 13.
Solubilized organic waste, which has been carried out, in solubilized groove row 11,12 is alternately stored in the second storagetank 13. Time untill organic waste is stored in the second storagetank 13 from the first storagetank 10 via solubilized groove row 11,12 is about 2 days.Here, the temperature reduction for the organic waste stored, protease generation bacterium is changed into inertia.
While the solubilization, the ammonia produced in each solubilized groove 11A~11C, 12A~12C is adsorbed in ammonia The separation and Extraction of adsorption treatment in portion 14 and the upper clear liquid in precipitation separating tank 16.Thus, it is possible to pass through protease Generate in the state of the solubilized efficiency of bacterium maintenance, continue the solubilization of the organic waste of input.
In this embodiment, solubilized process can be implemented under conditions of high temperature aerobism, under anaerobic conditions Implement methane fermentation process, therefore, it can utilize the high temperature of solubilized process at a temperature of, improve the temperature of methane fermentation Degree.In addition, the solubilized process by carrying out high temperature, can make other bacterium of obstruction methane fermentation be changed into inertia or die.Separately Outside, as bacterium proliferation conditions, the bacterium of solubilized process (aerobism condition) is made to become in methane fermentation process (anaerobic conditions) For inertia, therefore have the advantages that not influence methane fermentation.
As described above in detail, according to the embodiment, the organic waste conveyed to methane fermentation groove uses string Multiple solubilized groove 11A~11C, 12A~12C of connection connection are stored to storagetank via multistage solubilization.In addition, Organic waste is transported to rapidly previous solubilized groove 11B, 12B of the solubilized groove of lowermost, in each solubilized groove Carried out in 11A, 11B, 12A, 12B after dispersed processing, conveyed, carried out finally to solubilized groove 11C, 12C of lowermost Processing.So, if dividing multiple solubilized grooves for solubilization and carrying out stage by stage, it can improve organic with tremendous The solvable rate of property discarded object.As a result, the methane fermentation efficiency of organic waste can be significantly improved.
Embodiment 2.
Secondly, embodiments of the present invention 2 are illustrated.
As shown in figure 5, according in the solubilized device 100 of the embodiment, solubilized groove row 11,12 pass through respectively by two Individual solubilized groove 11B, 11C, solubilized groove 12B, 12C are connected in series and constituted.So, solubilized groove in solubilized groove row Quantity can also be two.
According in the solubilized device 100 of the embodiment, while the solubilization, carry out in each solubilized groove Adsorption treatment of the ammonia that 11A~11C, 12A~12C are produced in ammonia adsorption section 14 and the upper clear liquid in precipitation separating tank 16 Separation and Extraction.
In addition, in the respective embodiments described above, solubilized groove row are set into 2 row, but not limited to this.Solubilized groove row also may be used Think more than 3 row.In addition, the quantity of the solubilized groove in a solubilized groove row can also be more than four.
In this case, the previous solubilized groove conveying from the solubilized groove of uppermost to the solubilized groove of lowermost is organic The height of the path of property discarded object, as long as previous more solubilized than the solubilized groove in lowermost and the solubilized groove of lowermost The height that the path of organic waste is conveyed between groove is low.
The present invention can not depart from the present invention broad sense spirit and scope in the case of carry out various embodiments and Deformation.In addition, above-mentioned embodiment is used to illustrate the present invention, and it is not intended to be limiting the scope of the present invention.That is, model of the invention Enclose and do not represented by embodiment by claims.Moreover, the meaning for the invention being equal in claims and with it In the range of the various modifications implemented be deemed to be in the scope of the present invention.
The application based on filed in September in 2014 25 days, Japan's patent application Patent 2014-195076.In this theory In bright book with reference to and be incorporated to the specification of Japan's patent application Patent 2014-195076, it is claims, all attached Figure.
Industrial applicability
The present invention is suitable to the organic waste before methane fermentation is solubilized.It is solubilized by this, the hair of methane fermentation Ferment efficiency is significantly improved.It is useless to Organics such as the feces of livestock and poultry from plant or animal, sewage sludge or rubbish using the technology Gurry carries out methane fermentation processing, thus reclaims methane gas, is used as biomass energy, and this is from the point of view of the viewpoint that carbon is neutralized, no Only can be to preventing greenhouse effects of the earth or the structure of circular form type society from producing larger contribution, but also can be produced by discarded object The energy (fuel, heat, electricity).
The explanation of reference
10 first storagetanks, 11 solubilized groove row, the solubilized groove of 11A, 11B, 11C, 12 solubilized groove row, 12A, 12B, The solubilized grooves of 12C, 13 second storagetanks, 14 ammonia adsorption sections, 15 mist eliminators, 16 precipitation separating tanks, 20 back sides, 21 groove portions, 22 rows Outlet, 23 outlets, 25 discharge units, 30A, 30B, 31A, 31B path, 100 solubilized devices.

Claims (6)

1. a kind of solubilized device, it is solubilized by the organic waste conveyed to methane fermentation groove, possesses:
Storagetank, it stores the organic waste before being conveyed to the methane fermentation groove;And
Solubilized groove row, it is connected in series multiple solubilized grooves, is given up in the Organic for putting into the solubilized groove of uppermost During gurry is conveyed to the solubilized groove of hypomere and conveyed from the solubilized groove of lowermost to the storagetank successively, described The solubilization of the organic waste is carried out in each solubilized groove,
Just from the solubilized groove of the uppermost to described in the conveying of the previous solubilized groove of the solubilized groove of the lowermost For the height of the path of organic waste, it is than the solubilized groove and the solubilized groove of the lowermost in the lowermost Previous solubilized groove between convey the organic waste path height it is low.
2. solubilized device according to claim 1, wherein,
In each solubilized groove, superhigh temperature solubilization is carried out using protease generation bacterium.
3. solubilized device according to claim 1 or 2, it is also equipped with ammonia adsorption section, and the ammonia adsorption section is from described in Adsorbed and except deammoniation in the waste liquid of each solubilized groove discharge.
4. solubilized device according to claim 3, wherein,
The back side of the lid of each solubilized groove is tilted downwards from the center toward the outer edge,
It is provided with the peripheral part of the lid and is stored in the groove portion of water droplet that the back side is transmitted and flowed,
The outlet for being provided with the liquid discharge for would be stored at the groove portion in the groove portion and being conveyed to the ammonia adsorption section.
5. solubilized device according to any one of claim 1 to 4, wherein,
Discharge unit of each solubilized groove provided with discharge sludge in addition to the solubilized groove except the lowermost.
6. solubilized device according to claim 5, it is also equipped with precipitating separating tank, and it is reclaimed from discharge unit discharge Sludge and precipitated separation,
The upper clear liquid of the precipitation separating tank is set to return to the solubilized groove row.
CN201580051989.1A 2014-09-25 2015-09-25 Solubilized device Pending CN107074600A (en)

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JP6377552B2 (en) * 2015-03-13 2018-08-22 株式会社東芝 Sludge treatment system
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Application publication date: 20170818