CN2628529Y - Wetted continuous single-stage anaerobic fermentation reactor - Google Patents
Wetted continuous single-stage anaerobic fermentation reactor Download PDFInfo
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- CN2628529Y CN2628529Y CNU032552769U CN03255276U CN2628529Y CN 2628529 Y CN2628529 Y CN 2628529Y CN U032552769 U CNU032552769 U CN U032552769U CN 03255276 U CN03255276 U CN 03255276U CN 2628529 Y CN2628529 Y CN 2628529Y
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/22—Settling tanks; Sedimentation by gravity
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M39/00—Means for cleaning the apparatus or avoiding unwanted deposits of microorganisms
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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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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- Clinical Laboratory Science (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model belongs to the environment protection technical field, which is specifically relates to the humid type continuous single stage anaerobic fermentation reactor and treatment method for biological deterioration of organic matters in home scraps, or the dejection from livestock or birds, or the mixture of any mentioned substances. One type of the reactor is arranged with gas diffusion components, a three-phase separating device, a gas collecting device and a gas compression device. When the humid type continuous single stage anaerobic fermentation is adopted, methane is produced, the back-flow of the methane can agitate the material inside the reactor, the continuous material feed-in and continuous material discharge-out from the reactor can be realized, and the automatic control of the whole reacting process can be realized, the reaction residue is humus soil with comparatively nutrition, which can used as the substrate for making organic fertilizer.
Description
Technical field
The invention belongs to the green technology process field, be specifically related to a kind of device that biodegradable organic is carried out anaerobically fermenting.
Background technology
Because the excessive exploitation of natural resources and a large amount of dischargings of pollution substance cause global shortage of resources, environmental pollution and ecological damage.Raising along with domestic development and national economy and living standards of the people, the quantity of organic waste (as changing food waste, feces of livestock and poultry), domestic refuse sharply increases, the ecological environmental pollution problem is more serious, and its pollution and improvement have become social common concern and implemented the key subjects of the strategy of sustainable development.In above-mentioned solid organic castoff, many can the processing with anaerobic digestion (fermentation) technology arranged.
Pulling flow type anaerobic digestion (fermentation) device, hydraulic type fermentation unit and full mixed anaerobic digestion (fermentation) device etc. are arranged at present, occupy an leading position with the full hybrid technique of middle temperature especially, as pig manure anaeration in normal temperature digestion USR device, factor of created gase is 1.8～2.2m
3/ (m
3D), the UBF device of pig manure water normal temperature (18～25 ℃) two-step fermentation, factor of created gase 1.5～2.0m
3/ (m
3D); Two step of temperature anaerobic digestion process in the cow manure, baffling and plug flow device factor of created gase are 1.2～1.5m
3/ (m
3D); Chicken manure high temperature plug flow full scale plant factor of created gase is 3.0～3.6m
3/ (m
3D).The employing of anaerobic digestion novel process has advanced the perfect of pre-process and post-process technology.But these devices, present processing power is less relatively, does not reach the requirement of mass-producing, automatization, maximization far away.
Summary of the invention
The purpose of this utility model is to propose the organic anaerobically fermenting reaction unit of biological degradation that a kind of treatment scale is big, level of automation is high.
The organic anaerobic ferment devices of biological degradation of the utility model design, it is the continuous single-stage anaerobic fermentation reactor of a kind of wet type, it is made of retort, three-phase separating device, gas collector, gas compressing apparatus, gas diffuser, and its structure as shown in Figure 1.Wherein, the middle part of retort is a tubular reaction zone 9, and its underpart is conical, in establish three-phase separating device 13, top is truncated cone-shaped, which is provided with collection and confinement of gases chamber 6, this cavity has been set up scum silica frost cleaning plant 5, the downside of cavity 6 is provided with scum silica frost relief outlet 7; The top of cavity 6 is provided with biogas vapor pipe and vacuum vapor cock 4; The bottom of the reaction zone 9 of retort is provided with opening for feed 11, is communicated with material-handling pump by pipeline; The bottom of reaction zone 9 is provided with gas diffuser 20, and this device 20 connects by the pipeline of working off one's feeling vent one's spleen of pipeline and biogas; The bottom of three-phase separating device 13 has residue to discharge reactant discharge line and valve 16.
In the utility model, also be provided with control valve 3 and biogas dehydration equipment 2 on the biogas vapor pipe at cavity 6 tops.
In the utility model, retort adopts metallic substance, is a sealed vessel, and its inwall can apply one deck preserving timber bed of material, makes it have good erosion resistance, and the outside can be provided with thermal insulation layer, to reduce calorific loss.
The continuous single-stage anaerobic fermentation reactor of this wet type that the utility model provides, its zymotechnique can be finished in an independent container.
Biochemical reaction under anaerobic takes place, and container is operated on the basis of continuously feeding-discharging.Biodegradable organic is stirred by biogas or liquid return after entering reactor by opening for feed 10.Charging is sustained, and is filled up to reactor to reach predetermined liquid level 8.In order to quicken biological degradation, the material in the reactor must continuously stir, and effectively mixes.Here, stirring is to be undertaken by the motion of gas bubbles, and bubble motion is that will the ferment biogas that produces of gas compressor is pressed in the reactor again and forms.Stir every day and carried out altogether 6～12 hours, actual churning time be when input is got the raw materials ready in suspension with and subsequent several hrs.In the anaerobic reaction process or intermittently stir or continuously stirring.Stop then stirring, material is under static state precipitated, form the state that has only a small amount of suspended solids.After precipitating the sufficiently long time, the surfactant suspension thing is drawn out of reactor by relief outlet 7, and its content is reduced to predetermined low liquid level.Gas or liquid circulation are stirred and are begun the mixed waste charging again again.Reaction mass more than needed is regularly discharged from the relief outlet 17 of reactor.Reactor capacity depends on the number of times of the charging-precipitation-discharge cycle that can carry out in one day.
Opening for feed 11 is positioned at the top of the outlet (being the tuyere of gas diffuser 20) that is pressed into gas, is located at the middle and lower part of reactor, when material once entering, rapidly and other mixing of materials by gas blow mixing.The bottommost of reactor is the residue place of deposition, extracts out by relief outlet 14 when reaching a certain amount of.The superiors are provided with the floating matter removal device, further with the heavier and lighter Impurity removal of not clearing up away in the pre-treatment.The material outlet that ferments is located at the bottom near reactor, but be in the top of residue place of deposition, the good material that only becomes thoroughly decomposed just can enter this position, that is to say that the material that enters this position has necessarily reached the rotten degree requirement, therefore general needs carry out a rotten degree detection when going into operation, other can be guaranteed by technology fully.Methane outlet is located at the top of reactor, and a part of biogas circulation is used for the stirring of material in the reactor, and most biogas are collected by exporting 1.The material that newly prepares is sent constantly into reactor, and the material of fermentation maturity is then constantly discharged, and can guarantee the continuity of work.
Bio-reactor is not provided with heating system, constant temperature is guaranteed by three conditions, the one, the thermal insulation layer insulation by reactor, the 2nd, ever-increasingly come the interior material temperature of conditioned reaction device, the 3rd, the heat that microbial activities in the biological process produced with the new material of hot water blended.Realize constant temperature, also want the various processing parameters of strict control, parameter control mainly by automatically and the mode that manually combines carry out.
Bio-reactor can adopt parallel operation or isolated operation, when load reaches 4.0～7.0kgVS/ reactor m
3/ day the design volume time, material residence time in reactor can reach 18 days, whole technological process is not subjected to the influence of climatope, has high operation stability.
The working pressure of bio-reactor allows to change between 1500Pa to 3000Pa.If pressure exceeds this restriction, decompress(ion) 4 is started working automatically.
The continuous single-stage anaerobic reactor of wet type can be converted into biogas and carbonic acid gas with a variety of biodegradable organics by the comprehensive action of anerobe, elementary hydrolysis, acetate and these materials of methanobacteria, and methanobacteria is more active under the state of complete anaerobic.The basic application is to be converted into biogas from biodegradable organic in the life rubbish.Typically used is to handle from changing food waste, feces of livestock and poultry and other to contain the solid waste of biodegradable organic.
The essential characteristic of this device mainly is to utilize the internal solids tripping device, makes solid materials separate effectively with liquid, avoids the degassing (promptly removing carbonic acid gas and methane gas) simultaneously, and this is a kind of very general phenomenon when using outside clarification equipment.Together with lasting charging, continue discharging, make it to become and can efficiently handle domestic refuse and produce the very high a kind of new device of natural pond rate (producing methane and carbonic acid gas), the methane of generation is a kind of of great value combustion gas.
Description of drawings
Fig. 1 is the structural representation of the continuous single-stage anaerobic fermentation reactor of the utility model wet type.
Number in the figure: 1 is the biogas air outlet, 2 is the biogas dehydration equipment, and 3 is the methane outlet valve, and 4 is vacuum gas discharge valve, 5 is the scum silica frost cleaning equipment, 6 is the collection and confinement of gases space, and 7 is the scum silica frost relief outlet, and 8 is minimum level in the reactor, 9 is reaction zone, 10 are the material source, and 11 is material inlet, and 12 is material-handling pump, 13 is three-phase separation area, 14 is sludge discharge tube, and 15 is the residue outlet valve, and 16 is the reacting rear material outlet valve, 17 is the material relief outlet, 18 is the biogas compression pump, and 19 is the biogas variable valve, and 20 is gas diffuser.
Embodiment
Embodiment 1: with biodegradable organic in the domestic refuse is example.
Describe with the device of handling 100 ton per day domestic refuses.Usually the content of biodegradable organic is 45～75% in the domestic waste, in this example in the domestic refuse content of biodegradable organic be 70%, by suitable refuse classification measure, can obtain containing 67 tons of the fermentation materials of most biodegradable organics, add 54m simultaneously
3Process water, in the equipment of collection pulverizing, sorting and the one of getting the raw materials ready, mix, dilution obtains 115 tons of moisture 85% materials, enters the continuous single-stage anaerobic reactor of wet type described in the utility model.This structure of reactor as shown in Figure 1, its volume is 2000 cubic metres, diameter is 13 meters, height is 28 meters.
During production, the temperature that is fit to carry out anaerobically fermenting comprises normal temperature, middle temperature (33～39 ℃) and three kinds of temperature ranges of high temperature (50～60 ℃), gentle high temperature in adopting usually, and in this example, the leavening temperature of employing is middle temperature.Material enters reactor, not discharging of initial stage, and the longest residence time can reach 18 days, and according to the characteristic of biodegradable organic, the residence time of material of domestic refuse is 12～18 days usually.Reactor enters the ordinary production after date, and 115 tons of chargings every day produce about 7500m
3Biogas, discharge 105 tons of digested sludges simultaneously, its solid content is 8～11%, after the dehydration, can obtain water ratio and be 70% fermentation residuum, this part material can be used as the matrix of producing organic fertilizer.
In this device,, be provided with respective sensor to operating parameters such as the liquid level in the reactor, temperature, pH value, redox potentials, and be connected with computer, so that carry out on-line monitoring, realize the automatic operation of anaerobic reactor, when deviation appears in operation conditions, can realize automatic adjustment.Following table is its main technologic parameters:
Table 1 fermentative processing processing parameter cartogram
| Processing parameter | Data | |
| Charging water content (%) | 85 | |
| Temperature (℃) | Bio-reactor | 35 |
| Process water | 40～70 | |
| Biogas output (cubic meter/ton TVS) | 420～600 | |
| The pH value | 6～8 | |
| Carbon-nitrogen ratio | (15～30)∶1 | |
| N/P ratio | (5～8)∶1 | |
| Redox potential (Eh) in the reactor | -353～-410mV | |
| Material is the residence time in reactor | 15～20 days | |
| The organism water content of becoming thoroughly decomposed (%) | 90±4 | |
| Dehydration back vegetable mould water content (%) | 70±5 | |
Embodiment 2:
Describe for 50 tons to handle feces of livestock and poultry day.The solid contents of feces of livestock and poultry is 8～14%, and wherein the content of biodegradable organic is 7～12%.The volume of the continuous single-stage anaerobic reactor of wet type is 900m
3, 9 meters of diameters highly are 20 meters.
Reactor adopts metallic substance, and inwall scribbles the preserving timber bed of material, and outer setting has thermal insulation layer, and remaining part comprises the model that selections such as various connecting tubes, valve, pump are complementary, by installation shown in Figure 1, debugging promptly.
Feces of livestock and poultry is squeezed into reactor by fresh feed pump, and its residence time in reactor is 14～18 days, and can produce biogas 2900～3300m every day
3, discharge fermentation residuum 45m
3, wherein solid content is 6～10%.
In the operational process of reactor, operating parameters such as its liquid level, temperature, pH value, redox potential all adopt sensor online, and use corresponding control programs, can realize the automatic operation of anaerobic reactor, when deviation appears in operation conditions, can realize automatic adjustment.Table 2 is its main technologic parameters:
Table 2 feces of livestock and poultry fermentative processing processing parameter cartogram
| Processing parameter | Data | |
| Charging water content (%) | 85～90 | |
| Temperature (℃) | Bio-reactor | 35 or 55 |
| Process water | 40～70 | |
| Biogas output (cubic meter/ton TVS) | 420～600 | |
| The pH value | 6～8 | |
| Carbon-nitrogen ratio | (15～35)∶1 | |
| N/P ratio | (5～10)∶1 | |
| Redox potential (Eh) in the reactor | -353～-410mV | |
| Material is the residence time in reactor | 14～18 days | |
| The organism water content of becoming thoroughly decomposed (%) | 90～94 | |
| Dehydration back residuum water content (%) | 65～75 | |
Claims (3)
1, the continuous single-stage anaerobic reactor of a kind of wet type, constitute by retort, three-phase separating device, gas collector, gas compressing apparatus, gas diffuser, the middle part that it is characterized in that retort is tubular reaction zone (9), its underpart is conical, in establish three-phase separating device (13), top is truncated cone-shaped, which is provided with collection and confinement of gases chamber (6), this cavity has been set up scum silica frost cleaning plant (5), and the downside of cavity (6) is provided with scum silica frost relief outlet (7); The top of cavity (6) is provided with biogas vapor pipe and vacuum vapor cock (4); The bottom of the reaction zone of retort (9) is provided with opening for feed (11), is communicated with material-handling pump by pipeline; The bottom of reaction zone (9) is provided with gas diffuser (20), and this device (20) connects by the pipeline of working off one's feeling vent one's spleen of pipeline and biogas; The bottom of three-phase separating device (13) has residue to discharge reactant discharge line and valve (16).
2, reactor according to claim 1 is characterized in that also being provided with by-pass valve control (3) and biogas dehydration equipment (2) on the biogas vapor pipe at said cavity (6) top.
3, reactor according to claim 1 is characterized in that reactor adopts metallic substance, and all the other walls are coated with the preserving timber bed of material, and outer setting has thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032552769U CN2628529Y (en) | 2003-07-03 | 2003-07-03 | Wetted continuous single-stage anaerobic fermentation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032552769U CN2628529Y (en) | 2003-07-03 | 2003-07-03 | Wetted continuous single-stage anaerobic fermentation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2628529Y true CN2628529Y (en) | 2004-07-28 |
Family
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|---|---|---|---|
| CNU032552769U Expired - Lifetime CN2628529Y (en) | 2003-07-03 | 2003-07-03 | Wetted continuous single-stage anaerobic fermentation reactor |
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|---|---|
| CN (1) | CN2628529Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101410505B (en) * | 2006-02-03 | 2013-04-24 | 埃尔塔加许可有限责任公司 | Device and process for generating biogas from organic materials |
| CN105884021A (en) * | 2016-06-12 | 2016-08-24 | 武汉东川自来水科技开发有限公司 | Intermittent anaerobic wastewater treatment system and method |
| CN110240269A (en) * | 2019-07-15 | 2019-09-17 | 内蒙古华蒙科创环保科技工程有限公司 | A kind of rotary mixing type (RMB) bioreactor |
| CN111139166A (en) * | 2019-08-29 | 2020-05-12 | 董炳吉 | Methane generating device |
-
2003
- 2003-07-03 CN CNU032552769U patent/CN2628529Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101410505B (en) * | 2006-02-03 | 2013-04-24 | 埃尔塔加许可有限责任公司 | Device and process for generating biogas from organic materials |
| CN105884021A (en) * | 2016-06-12 | 2016-08-24 | 武汉东川自来水科技开发有限公司 | Intermittent anaerobic wastewater treatment system and method |
| CN110240269A (en) * | 2019-07-15 | 2019-09-17 | 内蒙古华蒙科创环保科技工程有限公司 | A kind of rotary mixing type (RMB) bioreactor |
| CN111139166A (en) * | 2019-08-29 | 2020-05-12 | 董炳吉 | Methane generating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130703 Granted publication date: 20040728 |