CN103627627B - Household biogas system - Google Patents
Household biogas system Download PDFInfo
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- CN103627627B CN103627627B CN201310635428.9A CN201310635428A CN103627627B CN 103627627 B CN103627627 B CN 103627627B CN 201310635428 A CN201310635428 A CN 201310635428A CN 103627627 B CN103627627 B CN 103627627B
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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
- C12M23/34—Internal compartments or partitions
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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
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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
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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
- C12M41/24—Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
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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
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
- C12M43/04—Bioreactors or fermenters combined with combustion devices or plants, e.g. for carbon dioxide removal
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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
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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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
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/06—Means for pre-treatment of biological substances by chemical means or hydrolysis
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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
Abstract
The invention discloses a household biogas system which comprises a straw crusher, a hydrolysis tank, a generation tank, a pumped material mixed transportation pump, a deslagging pipeline, a valve, a biogas pipeline, an automatic gas-fired boiler, a hot water pipeline and a biogas residue vehicle, wherein the hydrolysis tank comprises an upper cover and a tank body; the interior of the tank body is divided into six hydrolysis pools; the generation tank adopts a sealed tank body, and comprises a tank body, a tank cover, an acidification pool, a driving device, a fermenting vat, a material inlet/outlet device, a heater and a thermal insulation layer; a sludge pump capable of transporting liquid including a large quantity of solid particles is selected as the pumped material mixed transportation pump. The household biogas system has the advantages that a gas production device and a gas application device are matched to form an integral biogas generation and application system, the automation degree is high, the use is convenient, and the semi-continuous straw material feeding and deslagging manner is adopted, so that pools can be cleaned on the premise that production is not required to be stopped, and the system is not affected by seasons, can steadily run at all seasons, and can satisfy the requirements for biogas of residents at any moment.
Description
Technical field
The present invention relates to field of biological energy source, particularly one be enclosed within northern area and can occur and application system and operation scheme thereof by urban residents' household biogas of running of four seasons steady.
Background technology
Along with growth in the living standard, modern countryside resident, is badly in need of a set of demands such as daily kitchen, winter heating, four seasons bathing of can simultaneously meeting, and can run by four seasons steady, the energy resource supply that level of automation is higher, easy to use and the system of use.Biogas as green sustainable energy, due to its raw material sources extensively and heat can be reduced, cigarette, haze pollute and advantage in microbial contamination etc., by public acceptance, becomes the energy form that many national government do one's utmost to promote.China last century five, the sixties just propose the development program that biogas uses in rural households, and eight, the nineties is once at China's rural area test sheet house type cement kiln formula methane-generating pit.Since 21 century, existing many people propose imagination biogas being used for northern area warming, also someone proposes the imagination of heating, being incubated for biogas generator, such as, Planning Design Inst., Ministry of Agricultry devises the biogas tank for heating of a kind of 100 cubic metres, and winter in 2005 is through on probation in Heilongjiangdistrict, effectiveness comparison is satisfied, but it belongs to cement kiln formula methane-generating pit, and bulky, is not easily incubated.Also there is the design of non-cement kiln formula biogas generator at present, also have heat preserving type, heated type methane generator to design.These firedamp gas equipments generally only considered biogas generation and do not consider the gas of using of resident, still can not promote the use of, its reason mainly contains: aerogenesis, relatively independent with device of air, fails to form the complete generation and application system that cooperatively interact, level of automation is not high, uses inconvenience; Due to reasons such as seasons, gas production rate is uneven, and majority is the methane-generating pit of disposable input stalk, also needs the clear pond that stops production, and can not run by four seasons steady, affects resident and uses.
Summary of the invention
For urban residents throughout the year to demand that is convenient, that stablize the energy, the invention provides a kind of household biogas system, this household biogas system fits in complete biogas generation and application system by aerogenesis with device of air, level of automation is high, easy to use, adopts semi continuous to throw in stalk and deslagging mode, do not need the clear pond that stops production, not by seasonal effect, can run by four seasons steady, the demand that resident uses biogas at any time can be met.
Household biogas system provided by the invention, comprises stalk crasher, hydrolytic decomposition pot, generation tank, takes out material mixing pump, deslagging pipeline and valve, methane pipeline, automatic gas boiler, hot water line and the natural pond slag car.
Described hydrolytic decomposition pot is made up of glass-reinforced plastic material, comprises upper cover and tank body.Tank interior level be divided into 6 independently horizontal section be 60 degree of angles fan-shaped, hydrolytic tank that shape is identical, hydrolytic decomposition pot is covered with discharge hole, and discharging pipeline can enter in hydrolytic tank through discharge hole, is communicated with hydrolytic tank.In hydrolytic tank, be equipped with the well heater that hot water line is formed, the inlet pipe of well heater and go out pipe and draw outside tank through at the bottom of hydrolytic decomposition pot, flowing through hot water in well heater is heating material insulation in hydrolytic decomposition pot.Thermal insulation layer is provided with outside hydrolytic decomposition pot.
Described generation tank is an airtight tank body, is made up of glass-reinforced plastic material, and its underpart is the elliposoidal end socket with base, and stage casing is cylindrical tube, and suitable for reading is joint flange with sealing-ring.Generation tank comprises tank body, cover, acidification pool, drive unit, fermentation vat, charging/discharging device, well heater and thermal insulation layer.Wherein acidification pool is positioned at the top of generation tank, is that annular is fanned at right angle, that shape is an identical acidifying point pond is formed by 4 horizontal sections.Fermentation vat is positioned at the bottom of generation tank.Fermentation vat is divided into volume equal three districts---central section, intermediate zone and marginarium by two barrel-shaped spaced walls of concentric(al) circles.The n shape opening in communication of spaced walls lower end is passed through in central section and intermediate zone, and there is U-shaped opening the spaced walls upper end between intermediate zone and marginarium.Well heater is equipped with in fermentation vat.Generation tank is stamped feeding port and air outlet, is connected with total air delivering pipeline with material loading pipeline respectively; Slag-drip opening is arranged at the bottom of marginarium, is connected with deslagging pipeline.Above-mentioned connecting place is equipped with sealing-ring, to ensure that generation tank is airtight.
Described material mixing pump of taking out selects the sludge pump can carried containing a large amount of solid particulate in liquid.Be connected with double bend road in parallel at the opening for feed taking out material mixing pump, lead to hydrolytic decomposition pot respectively by bleeder valve and be connected with the deslagging pipeline of generation tank with by residual cake valve; Be connected with double bend road in parallel at the discharge port taking out material mixing pump, lead to the natural pond slag car respectively by natural pond slag car valve and be connected with the material loading pipeline of generation tank with by material loading valve.Take out material mixing pump to match with bleeder valve, residual cake valve, natural pond slag car valve and material loading valve, can one of them acidifying in the clinker conveyor in one of them hydrolytic tank in hydrolytic decomposition pot to generation tank be divided among pond, also the natural pond slag in generation tank inner peripheral area can be extracted out, and be disposed in the slag car of natural pond.
The volume of the central section of generation tank fermentation vat, intermediate zone and marginarium is equal, and this central section and acidifying in generation tank divide pond, a hydrolytic tank of hydrolytic decomposition pot and the natural pond slag car volume equal.
Household biogas system provided by the invention, its working process and principle are: utilize stalk crasher that stalk is ground into solid granule, are fed in the hydrolytic tank in hydrolytic decomposition pot, mix with reaction mother liquor reserved in pond; After the good oxygen hydrolysis reaction of 12-18 days, become grog; Utilize and take out material mixing pump by among an acidifying point pond in the grog feeding generation tank in a hydrolytic tank, in airtight generation tank, start anaerobic acidification reaction, become acidifying grog, and produce a small amount of biogas; After the acidifying of 8-12 days, the acidifying grog in this acidifying point pond is disposed to the central section of fermentation vat, carries out strong primary fermentation reaction and becomes outmoded grog, start to produce biogas in a large number; System is once supplemented in the operation process of raw material, these outmoded grogs are promoted by the new acidifying grog entering central section that supplements, enter intermediate zone by the n shape opening of the spaced walls lower end of central section and intermediate zone, make further fermentation reaction, and continue to produce biogas; In the operation process of the follow-up supplementary raw material of system, via the U-shaped opening of the spaced walls upper end between intermediate zone and marginarium, these outmoded grogs are pushed into marginarium, proceed the remaining fermentation reaction finally exhausting aerogenesis material, form natural pond slag; Afterwards, natural pond slag is taken out material mixing pump and is extracted out from marginarium, and is disposed in the slag car of natural pond and is transported to fertile storing place, natural pond, becomes natural pond fertilizer; The biogas that acidification reaction and fermentation reaction produce, is stored in the upper space of generation tank for subsequent use at ordinary times, and the total air delivering pipeline via generation tank top when being used exports; The biogas part exported is cooked to heat up water for resident and is directly used, and another part is supplied to automatic gas boiler for generation of hot water.The hot water that automatic gas boiler produces, by hot water pump, via hot water line, a part is supplied between bathing and room warmer, for four seasons bathing and room heating in winter; Another part is supplied to well heater, for hydrolytic decomposition pot and generation tank heating heat.The hydrolytic decomposition pot of system and generation tank adopt semi continuous mode of operation, namely according to the needs of the actual gas consumption of resident, stalk is supplemented aperiodically to system, and discharge natural pond slag simultaneously, guarantee system is in aerogenesis, the use gaseity of steady all the time, and by controlling throw in the timed interval of stalk and regulate the temperature of well heater, the gas production rate of regulation system.
Household biogas system provided by the invention, its work flow of at every turn supplementing raw material to system is as follows: open residual cake valve and natural pond slag car valve, opens and takes out material mixing pump, be disposed in the slag car of natural pond by the natural pond slag in marginarium; Stop taking out material mixing pump, close natural pond slag car valve; Natural pond slag is transported to fertile storing place, natural pond; Start drive unit, make whole acidification pool 90-degree rotation, wherein acidificatoin time that acidifying at most divides pond to overturn, acidifying grog in this acidifying point pond is disposed in the central section of fermentation vat, and by outmoded grog displacement original in central section in intermediate zone, the original outmoded grog displacement in intermediate zone is in the marginarium of soaring; Open material loading valve and residual cake valve, again open and take out material mixing pump, outmoded for the minute quantity in marginarium grog is sent in that acidifying point pond of just having soared in acidification pool, fermented bacterium is provided; Close residual cake valve, open bleeder valve, the grog in that hydrolytic tank at most of hydrolysis time in hydrolytic decomposition pot is sent in that acidifying point pond of just having soared, but in hydrolytic tank, remains a small amount of grog, as reaction mother liquor; Close bleeder valve and material loading valve, stop taking out material mixing pump; Utilize stalk crasher to be ground into solid particulate stalk, together mix among the hydrolytic tank that feeding just soared with other reaction mass, namely complete the operation of this subsystem material loading.
The feature of household biogas system provided by the invention is: aerogenesis, constitute the complete generation and application system that cooperatively interact with device of air, and level of automation is high, easy to use; Have heating unit, not by seasonal effect, gas production rate is even, and semi continuous supplements stalk and gets rid of natural pond slag, without the need to the clear pond that stops production, can run by continuous gas generation four seasons steady, facilitates resident to use, meet the demands such as resident's heating, bathing and meal kitchen.
Accompanying drawing explanation
Fig. 1 is household biogas system structural representation.
Fig. 2 is hydrolytic decomposition pot structural representation.
Fig. 3 is generation tank cross-sectional view.
Fig. 4 is an acidifying point pond upset schematic diagram in generation tank.
Fig. 5 is material schema in a device.
1-stalk crasher in figure; 2-hydrolytic decomposition pot; 3-thermal insulation layer; 4-well heater; 5-hydrolytic tank; 6-drive unit; 7-generation tank; 8-methane pipeline A; 9-automatic gas boiler; 10-hot water line A; 11-hot water line B; 12-room warmer; 13-methane pipeline B; 14-hot water pump; 15-total air delivering pipeline; 16-intermediate zone; 17-marginarium; 18-central section; 19-acidifying divides pond; 20-material loading pipeline; 21-material loading valve; 22-deslagging pipeline; 23-take out material mixing pump; 24-natural pond slag car valve; 25-residual cake valve; 26-bleeder valve; 27-discharging pipeline; 28-natural pond slag car.
Wherein well heater 4 is made up of the hot water line made by PPR pipe.Methane pipeline A8 is that automatic gas boiler is for biogas; Methane pipeline B13 is that residential kitchen is for biogas.Hot water line A10 is well heater supplying hot water; Hot water line B11 is supplying hot water between room warmer 12 and bathing.
Embodiment:
Towards northern country, 100 square metres of rooms, the family of 4 mouthfuls, the four seasons can be used, take maize straw as aerogenesis raw material, be published in the evaluation method in the article " Preliminary Feasibility Exploration of the Northeast's family heating with biogas " in " Transactions of the Chinese Society of Agricultural Engineering " with reference to the people such as Dong Baocheng, the biogas about 15 cubic metres under every day supply standard situation, winter on average adds a stalk in every two days.
The household biogas system that the present embodiment provides as shown in Figure 1, Figure 2, Figure 3, Figure 4, by stalk crasher 1, hydrolytic decomposition pot 2, generation tank 7, is taken out and is expected that mixing pump 23 and deslagging pipeline 22 are formed with the equipment such as material loading valve 21, natural pond slag car valve 24, residual cake valve 25, bleeder valve 26, methane pipeline A8, methane pipeline B13, always air delivering pipeline 15, automatic gas boiler 9 and hot water line A10, hot water line B11 and the natural pond slag car 28;
The hydrolytic decomposition pot 2 that the present embodiment relates to is made up of glass-reinforced plastic material, comprises upper cover and tank body.Tank interior level be divided into 6 independently horizontal section be 60 degree of angles fan-shaped, hydrolytic tank 5 that shape is identical, hydrolytic decomposition pot 2 is covered with discharge hole, and discharging pipeline 27 can enter in hydrolytic tank 5 through discharge hole, is communicated with hydrolytic tank 5.In hydrolytic tank 5, be equipped with well heater 4, it draws outside tank into and out of pipe through bottom hydrolytic decomposition pot 2, flow through in well heater hot water be in hydrolytic decomposition pot 2 heating material insulation, be provided with thermal insulation layer 3 outside hydrolytic decomposition pot.
The generation tank 7 that the present embodiment relates to is an airtight tank body, is made up of glass-reinforced plastic material, and its underpart is the elliposoidal end socket with base, and stage casing is cylindrical tube, and suitable for reading is joint flange with sealing-ring.Generation tank 7 comprises tank body, cover, acidification pool, drive unit, fermentation vat, charging/discharging device, well heater, thermal insulation layer and other supplementary unit.Wherein acidification pool is positioned at the top of generation tank 7, is that annular is fanned at right angle, that shape is identical acidifying point pond 19 is formed by 4 horizontal sections.Fermentation vat is positioned at the bottom of generation tank 7.Fermentation vat is divided into the equal district of three volumes by two barrel-shaped spaced walls of concentric(al) circles---central section 18, intermediate zone 16 and marginarium 17.Central section 18 and the n shape opening in communication of intermediate zone 16 by spaced walls lower end, there is U-shaped opening the spaced walls upper end between intermediate zone 16 and marginarium 17.Well heater 4 is laid in fermentation vat.Generation tank is stamped opening for feed and air outlet, is connected with total air delivering pipeline 15 with material loading pipeline 20 respectively; Slag-drip opening is arranged at the bottom of marginarium 17, is connected with deslagging pipeline 22.Above-mentioned connecting place has sealing-ring, airtight to ensure generation tank 7.
What the present embodiment related to take out, and material mixing pump 23 selects the sludge pump can carried containing a large amount of solid particulate in liquid, double bend road in parallel is connected with at the opening for feed taking out material mixing pump 23, lead to hydrolytic decomposition pot 2 respectively by bleeder valve 26 to be connected with the deslagging pipeline 22 of generation tank 7 with by residual cake valve 25, double bend road in parallel is connected with at the discharge port taking out material mixing pump 23, lead to the natural pond slag car 28 respectively by natural pond slag car valve 24 to be connected with material loading pipeline 20 with by material loading valve 21, take out material mixing pump 23 and bleeder valve 26, residual cake valve 25, natural pond slag car valve 24 and material loading valve 21 match, can the clinker conveyor in interior for hydrolytic decomposition pot 2 hydrolytic tank 5 be divided among pond 19 to the interior acidifying of generation tank 7, also the natural pond slag in generation tank 7 inner peripheral area 17 can be extracted out, and be disposed in the natural pond slag car 28.
Volume and marginarium 17, the acidifying of 18, one, central section of intermediate zone 16 divide the volume of 19, one, pond hydrolytic tank 5 and the natural pond slag car 28 equal, are all about 1 cubic metre.
The household biogas system that the present embodiment provides, its material flow process in a device as shown in Figure 5, specific works process and principle are: utilize stalk crasher 1 that stalk is ground into solid granule, are fed in the hydrolytic tank 5 of hydrolytic decomposition pot 2, mix with reaction mother liquor reserved in pond; After the good oxygen hydrolysis reaction of about 12 days, become grog; Utilize and take out material mixing pump 23 by among an acidifying point pond 19 in the grog feeding generation tank 7 in a hydrolytic tank 5, in airtight generation tank 7, start anaerobic acidification reaction, become acidifying grog, and produce a small amount of biogas; After the acidifying of about 8 days, the acidifying grog in this acidifying point pond 19 is disposed in central section 18, carries out strong primary fermentation reaction, becomes outmoded grog, start to produce biogas in a large number; System is once supplemented in the operation process of raw material, these outmoded grogs are promoted by the new acidifying grog entered in central section 18 that supplements, enter intermediate zone 16 by central section 18 and the n shape opening of the spaced walls lower end of intermediate zone 16, make further fermentation reaction, and continue to produce biogas; In the operation process of the follow-up supplementary raw material of system, via the U-shaped opening of the spaced walls upper end between intermediate zone 16 and marginarium 17, these outmoded grogs are pushed into marginarium 17, proceed the remaining fermentation reaction finally exhausting aerogenesis material, form natural pond slag; Afterwards, natural pond slag taken out material mixing pump 23 extracts from marginarium 17, and be disposed in the natural pond slag car 28 be transported to natural pond fertilizer storing place, become natural pond fertilizer.The biogas that acidification reaction and fermentation reaction produce, is stored in the upper space of generation tank 7 for subsequent use at ordinary times, and the total air delivering pipeline 15 via generation tank 7 top when being used exports; The biogas part exported is cooked to heat up water for resident and is directly used, and another part is supplied to automatic gas boiler 9 for generation of hot water; Automatic gas boiler 9 produce hot water, by hot water pump, via hot water line A10, hot water line B11, a part is supplied between room warmer 12 and bathing, for four seasons bathing and winter premises heating; Another part is supplied to well heater 4, for hydrolytic decomposition pot 2 and generation tank 7 heating heat.Hydrolytic decomposition pot 2 and the generation tank 7 of system adopt semi continuous mode of operation, namely according to the needs of the actual gas consumption of resident, can suitably adjust the timed interval of supplementing stalk to system, and discharge natural pond slag simultaneously, guarantee system is in aerogenesis, the use gaseity of steady all the time, and by control throwing raw materials number and regulate the temperature of well heater 4, the gas production rate of regulation system.
The household biogas system that the present embodiment provides, its work flow of at every turn supplementing raw material to system is as follows: open residual cake valve 25 and natural pond slag car valve 24, opens and takes out material mixing pump 23, be disposed in the natural pond slag car 28 by the natural pond slag in marginarium 17; Stop taking out material mixing pump 23, close natural pond slag car valve 24; Natural pond slag is transported to fertile storing place, natural pond; Start drive unit 6, make whole acidification pool device 90-degree rotation, wherein acidificatoin time that acidifying point pond 19 at most overturns, acidifying grog in this acidifying point pond 19 is disposed in central section 18, and by outmoded grog displacement original in central section 18 in intermediate zone 16, the original outmoded grog displacement in intermediate zone 16 is in the marginarium 17 of soaring; Open material loading valve 21 and residual cake valve 25, again open and take out material mixing pump 23, the outmoded grog of the minute quantity in marginarium 17 is sent in that acidifying point pond 19 of just having soared, fermented bacterium is provided; Close residual cake valve 25, open bleeder valve 26, the grog in that hydrolytic tank 5 at most of hydrolysis time in hydrolytic decomposition pot 2 is sent in that acidifying point pond 19 of just having soared in generation tank 7, but in hydrolytic tank 5, remains a small amount of grog, as reaction mother liquor; Close bleeder valve 26 and material loading valve 21, stop taking out material mixing pump 23; Utilized by stalk stalk crasher 1 to be ground into solid granule, together mix among the hydrolytic tank 5 that feeding just soared with other reaction mass, namely complete the operation of this subsystem material loading.
Claims (2)
1. a household biogas system, comprise stalk crasher, hydrolytic decomposition pot, generation tank, take out material mixing pump, deslagging pipeline and valve, methane pipeline, automatic gas boiler, hot water line and the natural pond slag car, it is characterized in that: described hydrolytic decomposition pot is made up of glass-reinforced plastic material, comprise upper cover and tank body, tank interior level be divided into 6 independently horizontal section be that 60 degree of angles are fan-shaped, the hydrolytic tank that shape is identical, hydrolytic decomposition pot is covered with discharge hole, discharging pipeline can enter in hydrolytic tank through discharge hole, be communicated with hydrolytic tank, the well heater that hot water line is formed is equipped with in hydrolytic tank, the inlet pipe of well heater and go out pipe through drawing outside tank at the bottom of hydrolytic decomposition pot, flow through in well heater hot water be in hydrolytic decomposition pot heating material insulation, thermal insulation layer is provided with outside hydrolytic decomposition pot, described generation tank is an airtight tank body, be made up of glass-reinforced plastic material, its underpart is the elliposoidal end socket with base, stage casing is cylindrical tube, suitable for reading is joint flange with sealing-ring, generation tank comprises tank body, cover, acidification pool, drive unit, fermentation vat, charging/discharging device, well heater and thermal insulation layer, wherein acidification pool is positioned at the top of generation tank, by 4 horizontal sections be right angle fan annular, the acidifying that shape is identical divides pond to form, fermentation vat is positioned at the bottom of generation tank, fermentation vat is divided into equal three districts---the central section of volume by two barrel-shaped spaced walls of concentric(al) circles, intermediate zone and marginarium, the n shape opening in communication of spaced walls lower end is passed through in central section and intermediate zone, there is U-shaped opening spaced walls upper end between intermediate zone and marginarium, well heater is equipped with in fermentation vat, generation tank is stamped feeding port and air outlet, is connected respectively with material loading pipeline with total air delivering pipeline, slag-drip opening is arranged at the bottom of marginarium, is connected with deslagging pipeline, and above-mentioned connecting place is equipped with sealing-ring, to ensure that generation tank is airtight, described material mixing pump of taking out selects the sludge pump can carried containing a large amount of solid particulate in liquid, double bend road in parallel is connected with at the opening for feed taking out material mixing pump, lead to hydrolytic decomposition pot respectively by bleeder valve to be connected with the deslagging pipeline of generation tank with by residual cake valve, double bend road in parallel is connected with at the discharge port taking out material mixing pump, lead to the natural pond slag car respectively by natural pond slag car valve to be connected with the material loading pipeline of generation tank with by material loading valve, take out material mixing pump and bleeder valve, residual cake valve, natural pond slag car valve and material loading valve match, can one of them acidifying in the clinker conveyor in one of them hydrolytic tank in hydrolytic decomposition pot to generation tank be divided among pond, also the natural pond slag in generation tank inner peripheral area can be extracted out, and be disposed in the slag car of natural pond, the biogas produced in generation tank, directly use via methane pipeline part supply user, another part is supplied to automatic gas boiler for generation of hot water, the hot water that automatic gas boiler produces, a part is supplied to user and directly uses, and another part is supplied to well heater for heating for hydrolytic decomposition pot and generation tank.
2. a kind of household biogas system according to claim 1, it is characterized in that: the volume of the central section of generation tank fermentation vat, intermediate zone and marginarium is equal, and this central section and acidifying in generation tank divide pond, a hydrolytic tank of hydrolytic decomposition pot and the natural pond slag car volume equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310635428.9A CN103627627B (en) | 2013-11-29 | 2013-11-29 | Household biogas system |
Applications Claiming Priority (1)
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| CN104404087B (en) * | 2014-11-27 | 2018-04-03 | 辽宁省能源研究所 | A kind of process and its fermentation system that biological flue gas is produced using high concentration organic waste |
| CN108117982A (en) * | 2016-11-29 | 2018-06-05 | 国家电网公司 | Inland city's fermentation of organic wastes supplying hot water method and system that intelligent grid is supported |
| CN108120008A (en) * | 2016-11-29 | 2018-06-05 | 国家电网公司 | The coastal cities fermentation of organic wastes supplying hot water method and system that intelligent grid is supported |
| CN116090358B (en) * | 2023-04-10 | 2023-06-23 | 成都千嘉科技股份有限公司 | Method for production, storage and supply linkage optimization of semi-continuous biogas station |
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| US6824682B2 (en) * | 2001-12-18 | 2004-11-30 | Best Biofuels Llc C/O Smithfield Foods, Inc. | System and method for extracting energy from agricultural waste |
| CN101363643A (en) * | 2008-09-01 | 2009-02-11 | 珠海慧生能源技术发展有限公司 | Solar biomass methane heat system |
| CN201864721U (en) * | 2010-03-03 | 2011-06-15 | 刘军林 | Air energy, solar energy and ground source heat pump methane tank |
| CN202081096U (en) * | 2011-03-08 | 2011-12-21 | 北京国环清华环境工程设计研究院有限公司华东分院 | System for producing methane by effectively utilizing straw fermentation |
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