CN110551614A - post-processing line for biogas power generation - Google Patents
post-processing line for biogas power generation Download PDFInfo
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- CN110551614A CN110551614A CN201810561466.7A CN201810561466A CN110551614A CN 110551614 A CN110551614 A CN 110551614A CN 201810561466 A CN201810561466 A CN 201810561466A CN 110551614 A CN110551614 A CN 110551614A
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- 238000010248 power generation Methods 0.000 title claims abstract description 26
- 238000012805 post-processing Methods 0.000 title claims abstract description 9
- 238000000855 fermentation Methods 0.000 claims abstract description 144
- 239000007788 liquid Substances 0.000 claims abstract description 136
- 230000004151 fermentation Effects 0.000 claims abstract description 103
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000010902 straw Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000000746 purification Methods 0.000 claims abstract description 8
- 230000000295 complement effect Effects 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 68
- 238000003756 stirring Methods 0.000 claims description 53
- 239000002002 slurry Substances 0.000 claims description 47
- 239000007789 gas Substances 0.000 claims description 35
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000002918 waste heat Substances 0.000 claims description 12
- 238000005262 decarbonization Methods 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- 241000287828 Gallus gallus Species 0.000 claims description 9
- 238000006477 desulfuration reaction Methods 0.000 claims description 9
- 230000023556 desulfurization Effects 0.000 claims description 9
- 210000003608 fece Anatomy 0.000 claims description 9
- 239000010871 livestock manure Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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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
-
- 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
- C12M23/58—Reaction vessels connected in series or in parallel
-
- 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
-
- 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
- C12M43/08—Bioreactors or fermenters combined with devices or plants for production of electricity
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Sustainable Development (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- Clinical Laboratory Science (AREA)
- Treatment Of Sludge (AREA)
Abstract
a post-processing line for biogas power generation comprises a biogas fermentation tank system, a biogas purification system and a biogas power generation and complementary energy recovery system, wherein the biogas fermentation tank system comprises: the system comprises a primary anaerobic fermentation tank (31), a primary fermentation liquid internal circulation pump (32), a primary anaerobic heat exchanger (33), a primary fermentation liquid discharge pump (34), a secondary anaerobic fermentation tank (35), a secondary fermentation liquid internal circulation pump (36), a secondary anaerobic heat exchanger (37) and a secondary fermentation liquid discharge pump (38), wherein the upper parts of tank bodies (49) of the primary anaerobic fermentation tank (31) and the secondary anaerobic fermentation tank (35) are respectively provided with a straw material inlet (39) with a valve; the advantages are that: in the use process of the system, the filtering effect is good, and the utilization rate can be greatly improved.
Description
Technical Field
The invention relates to the field of biogas power generation, in particular to a post-processing line for biogas power generation.
background
at present, biogas is a renewable clean energy source, the biogas generated naturally mainly comprises methane and carbon dioxide, and the biogas used as the energy source after treatment comprises 50-80% of methane, less than 1% of hydrogen, 1-3% of carbon monoxide and less than or equal to 0.4% of oxygen, so that the biogas has a high heat value and is often used as the energy source for cooking, cooking dishes, boiling water and the like in families in northern areas. In addition, in order to further effectively utilize biogas and improve the economic efficiency of biogas, people currently use biogas to generate electricity. Compared with other fuel gases, the methane has better anti-explosion performance, but when the content of methane exceeds the standard or the content of oxygen is too high, safety accidents such as explosion and the like can be caused, and impurities such as hydrogen sulfide and the like contained in the methane can generate pollution during power generation, so that the power generator can not work stably. How to arrange a post-treatment line for biogas power generation, improve the biogas pretreatment process before power generation, remove polluting impurities in biogas, improve the safety of a power generation system and improve the power generation efficiency is a technical problem to be solved at present.
Disclosure of Invention
the invention aims to overcome the defects in the prior art and provide a post-processing line for biogas power generation.
The invention comprises a biogas fermentation tank system, a biogas purification system and a biogas power generation and complementary energy recovery system,
the biogas fermentation tank system comprises: the fermentation tank comprises a primary anaerobic fermentation tank, a primary fermentation liquid internal circulation pump, a primary anaerobic heat exchanger, a primary fermentation liquid discharge pump, a secondary anaerobic fermentation tank, a secondary fermentation liquid internal circulation pump, a secondary anaerobic heat exchanger and a secondary fermentation liquid discharge pump, wherein the upper parts of tank bodies of the primary anaerobic fermentation tank and the secondary anaerobic fermentation tank are respectively provided with a straw material inlet with a valve, the lower parts of the tank bodies are respectively provided with a chicken manure material inlet with a valve, the tank bodies are internally provided with a stirring device, the upper parts of the tank bodies are slightly higher than the straw material inlet and are provided with a high-level overflow port, the high-level overflow ports are communicated with a fermentation liquid drainage ditch through pipelines, the top of the tank bodies is provided with a methane outlet, and; the lower part of the primary anaerobic fermentation tank is provided with a first fermentation liquid outlet and a second fermentation liquid outlet, the first fermentation liquid outlet is communicated with a liquid inlet of a primary fermentation liquid internal circulating pump through a pipeline, a liquid outlet of the primary fermentation liquid internal circulating pump is communicated with the primary anaerobic heat exchanger, and the primary anaerobic heat exchanger is communicated to the primary anaerobic fermentation tank through a pipeline so as to realize the internal circulation of the primary anaerobic fermentation tank; the second fermentation liquid outlet is communicated with a first fermentation liquid discharging pump through a pipeline, the first fermentation liquid discharging pump is communicated with a straw material inlet and a chicken manure material inlet of the second-stage anaerobic fermentation tank through a pipeline, a third fermentation liquid outlet and a fourth fermentation liquid outlet are arranged at the lower part of the second-stage anaerobic fermentation tank, the third fermentation liquid outlet is communicated with a liquid inlet of a second-stage fermentation liquid internal circulating pump through a pipeline, a liquid outlet of the second-stage fermentation liquid internal circulating pump is communicated with the second-stage anaerobic heat exchanger through a pipeline, and the second-stage anaerobic heat exchanger is communicated with the second-stage anaerobic fermentation tank through a pipeline so as to realize; the fourth fermentation liquid outlet is communicated with the second-stage fermentation liquid discharge pump through a pipeline, the stirring device comprises a motor arranged above the tank body and a stirring paddle component which is positioned in the tank body and connected with a rotating shaft of the motor, the stirring paddle component comprises a stirring shaft, an upper paddle part fixedly connected with the stirring shaft and positioned on the upper part of the tank body and a lower paddle part fixedly connected with the stirring shaft and positioned on the lower part of the tank body, the upper paddle part and the lower paddle part are of N-shaped structures, the upper paddle part and the lower paddle part respectively comprise a first vertical part, a second vertical part and a connecting rod, the two ends of the connecting rod are fixedly connected with the upper end of the first vertical part and the lower end of the second vertical part respectively, the middle part of the connecting rod is fixedly connected with the stirring shaft, and one sides of the first vertical part and the second vertical part, which are close to the side wall of the tank body, the lug boss comprises a conical body part and a screw rod part which is fixedly connected with the bottom of the conical body part and is provided with threads, screw holes matched with the screw rod part are arranged on the first vertical part and the second vertical part,
the biogas purification system comprises: the biogas slurry drying device comprises a buffer tank, a biogas condenser, a biogas desulfurization tower, a biogas drying tower, a dual-mode gas holder, a solid-liquid separator, a biogas slurry buffer tank and a sedimentation tank, wherein the buffer tank comprises a buffer tank body and a stirring device, a biogas outlet is formed in the top of the buffer tank body, a biogas slurry inlet and a sewage outlet are respectively formed in the bottom of the buffer tank body, a liquid inlet pipe is arranged on the biogas slurry inlet of the buffer tank body, one end of a liquid outlet of the liquid inlet pipe is inserted into the buffer tank body, a hemispherical flow-equalizing screen plate is arranged in the buffer tank body and positioned above the liquid outlet of the liquid inlet pipe, the stirring device comprises a stirring motor, a stirring shaft and stirring blades, the stirring motor is arranged at the top of the buffer tank body; a temporary storage tank is arranged on one side of the buffer tank body, a biogas slurry inlet is formed in the top of the temporary storage tank, a liquid outlet is formed in the bottom of the temporary storage tank, an overflow port is formed in the side wall of the buffer tank body, the overflow port of the buffer tank body is communicated with the biogas slurry inlet of the temporary storage tank through a U-shaped pipe, a liquid inlet of the U-shaped pipe is positioned below a hemispherical flow equalization screen plate in the buffer tank body, and a filtering and packing layer is arranged in a liquid inlet end of the U-shaped; the liquid outlet of the temporary storage tank is communicated with the biogas slurry buffer tank; the biogas slurry outlet of the fermentation tank is communicated with the liquid inlet pipe of the buffer tank body, the biogas outlets of the fermentation tank and the buffer tank body are respectively communicated with the biogas inlet of a biogas condenser, the biogas outlet of the biogas condenser is communicated with the biogas inlet of a biogas desulfurization tower, the biogas outlet of the biogas desulfurization tower is communicated with the biogas inlet of a biogas drying tower, and the biogas outlet of the biogas drying tower is communicated with the biogas inlet of a dual-mode gas cabinet; the sewage outlet of the buffer tank body is communicated with the biogas slurry inlet of the solid-liquid separator, the biogas slurry outlet of the solid-liquid separator is communicated with the biogas slurry inlet of the biogas slurry buffer tank, the sewage outlet of the solid-liquid separator is communicated with the sedimentation tank,
the secondary fermentation liquid discharge pump is communicated with the interior of the buffer tank, and the tank body
The biogas outlet at the top is communicated with the inside of the biogas condenser,
the biogas power generation and complementary energy recovery system comprises: a marsh gas decarbonization device, a marsh gas dehydration device, a marsh gas booster pump, a granulator, a marsh gas generating set, a waste heat boiler, a softened water processor and a hot water tank,
the biogas outlet of the double-module gas cabinet is communicated with the gas inlet of the biogas decarbonization device through an air pump, the gas outlet of the biogas decarbonization device is communicated with the gas inlet of the biogas dehydration device, the gas outlet of the biogas dehydration device is communicated with the gas inlet of the biogas booster pump, the outlet of the gas pump A of the biogas booster pump is provided with a flame arrester, the biogas booster pump is communicated with the dry hot air inlet of the granulator through a biogas combustion furnace,
the granulator comprises a tank body and a granulating assembly,
the top of the tank body is provided with a feed inlet, the side wall of the tank body is provided with a dry hot air inlet and a wet hot air outlet, the bottom of the tank body is in an inverted inclined round table shape, the bottom of the tank body is provided with a discharge outlet,
The granulating component comprises a motor, a rotating shaft, a rolling platform and a group of pressing rollers,
The motor is fixedly arranged at the bottom of the tank body, a power output shaft of the motor is in transmission connection with a rotating shaft through a speed reducer, the rotating shaft is positioned in the tank body,
the rolling table is fixedly arranged on the tank body, a rotating shaft mounting hole is formed at the bottom of the rolling table, a bearing is arranged in the rotating shaft mounting hole, the rotating shaft penetrates through the rotating shaft mounting hole through the bearing and is positioned in the rolling table,
the transmission shafts at one end of a group of compression rollers are respectively and annularly and uniformly distributed on the side wall of the rotating shaft, the top of the rotating shaft is provided with a flow guide cone,
The rolling table is provided with a group of compression roller accommodating grooves, a group of compression rollers are positioned in the compression roller accommodating grooves, a group of compression rollers are tightly attached to the bottom of the compression roller accommodating grooves, the bottom of the rolling table is provided with a group of particle forming holes, the bottom of the rolling table is provided with a group of scrapers, one end of each group of scrapers is respectively and annularly and uniformly distributed on the rotating shaft,
An annular material baffle plate is arranged at the center in the compression roller accommodating groove,
the outlet of the gas pump B of the biogas booster pump is communicated with a biogas generator set, the hot flue gas outlet of the biogas generator set is communicated with the flue gas inlet on the waste heat boiler,
The water inlet of the softened water processor is communicated with a process water source, the water outlet A of the softened water processor is communicated with the water inlet of the waste heat boiler, the water outlet B of the softened water processor is communicated with the water inlet of the biogas generator set,
the water outlet of the marsh gas generator set is communicated with the water inlet of the hot water tank, and the water outlet of the hot water tank is communicated with the water inlet of the marsh gas generator set.
A liquid level meter is arranged in the buffer tank body.
The liquid inlet height of the temporary storage tank is lower than the overflow port height of the buffer tank body.
The water outlet of the hot water tank is provided with a circulating pump, the water outlet of the circulating pump is communicated with the water inlet of the biogas generator set, and the circulating pump is electrically connected with the biogas generator set through a voltage stabilizer.
The outlet of the B gas pump of the biogas booster pump is provided with a buffer tank, and the output port of the buffer tank is communicated with a biogas generator set.
An annular inclined plate is arranged at the top of the annular baffle plate.
The dry hot air inlet is positioned above the discharge port, and the wet hot air outlet is positioned below the rolling table.
The invention has the advantages that: in the use process of the system, the filtering effect is good, and the utilization rate can be greatly improved.
Description of the drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of the structure of the stirring apparatus;
FIG. 3 is a schematic structural view of an upper blade section and a lower blade section;
fig. 4 is a schematic structural view of the boss.
fig. 5 is a schematic view of the structure of the buffer tank.
fig. 6 is a schematic sectional view of a pelletizer in accordance with the present invention.
Figure 7 is a schematic view of the pelletizer of the present invention.
figure 8 is a schematic view of the scraper blade structure of the pelletizer in accordance with the present invention.
figure 9 is a schematic top view of a pelletizer in accordance with the present invention.
fig. 10 is a schematic sectional structure view of an annular inclined plate of a granulator.
Detailed Description
as shown in the figure, the invention comprises a biogas fermentation tank system, a biogas purification system and a biogas power generation and complementary energy recovery system,
the biogas fermentation tank system comprises: the fermentation tank comprises a primary anaerobic fermentation tank 31, a primary fermentation liquid internal circulation pump 32, a primary anaerobic heat exchanger 33, a primary fermentation liquid discharge pump 34, a secondary anaerobic fermentation tank 35, a secondary fermentation liquid internal circulation pump 36, a secondary anaerobic heat exchanger 37 and a secondary fermentation liquid discharge pump 38, wherein the upper parts of tank bodies 49 of the primary anaerobic fermentation tank 31 and the secondary anaerobic fermentation tank 35 are respectively provided with a straw material inlet 39 with a valve, the lower parts of the tank bodies 49 are respectively provided with a chicken manure material inlet 40 with a valve, a stirring device 41 is also arranged in the tank bodies 49, the upper parts of the tank bodies 49 are slightly higher than the straw material inlet 39 and are provided with high-level overflow ports 42, the high-level overflow ports 42 are communicated with a fermentation liquid drainage ditch through pipelines, the top parts of the tank bodies 49 are provided with biogas outlets 45, and the biogas; a first fermentation liquid outlet 43 and a second fermentation liquid outlet 44 are arranged at the lower part of the primary anaerobic fermentation tank 31, the first fermentation liquid outlet 43 is communicated with a liquid inlet of the primary fermentation liquid internal circulation pump 32 through a pipeline, a liquid outlet of the primary fermentation liquid internal circulation pump 32 is communicated with the primary anaerobic heat exchanger 33, and the primary anaerobic heat exchanger 33 is communicated to the primary anaerobic fermentation tank 31 through a pipeline so as to realize the internal circulation of the primary anaerobic fermentation tank 31; the second fermentation liquid outlet 44 is communicated with a first fermentation liquid discharging pump 34 through a pipeline, the first fermentation liquid discharging pump 34 is communicated with a straw material inlet 39 and a chicken manure material inlet 40 of the second anaerobic fermentation tank 35 through a pipeline, a third fermentation liquid outlet 46 and a fourth fermentation liquid outlet 47 are arranged at the lower part of the second anaerobic fermentation tank 35, the third fermentation liquid outlet 46 is communicated with a liquid inlet of the second fermentation liquid internal circulation pump 36 through a pipeline, a liquid outlet of the second fermentation liquid internal circulation pump 36 is communicated with the second anaerobic heat exchanger 37 through a pipeline, and the second anaerobic heat exchanger 37 is communicated with the second anaerobic fermentation tank 35 through a pipeline, so that internal circulation of the second anaerobic fermentation tank 35 is realized; the fourth fermentation liquid outlet 47 is communicated with the second-stage fermentation liquid discharge pump 38 through a pipeline, the stirring device 41 comprises a motor 51 arranged above the tank 49 and a stirring paddle assembly 52 which is positioned in the tank and connected with a rotating shaft of the motor 51, the stirring paddle assembly 52 comprises a stirring shaft 55, an upper paddle part 53 which is fixedly connected with the stirring shaft 55 and positioned at the upper part of the tank 49, and a lower paddle part 54 which is fixedly connected with the stirring shaft 55 and positioned at the lower part of the tank 49, the upper paddle part 53 and the lower paddle part 54 are both in an N-shaped structure, the upper paddle part 53 and the lower paddle part 54 respectively comprise a first vertical part 561, a second vertical part 562 and a connecting rod 563 of which two ends are respectively fixedly connected with the upper end of the first vertical part 561 and the lower end of the second vertical part 562, the middle part of the connecting rod 563 is fixedly connected with the stirring shaft 55, and one sides of the first vertical part 561 and the second vertical part 562, which are close to the side wall of the tank 49, are provided, the protruding part 564 comprises a conical part 565 and a screw part 567 fixedly connected with the bottom of the conical part and provided with threads, screw holes matched with the screw part 567 are arranged on the first vertical part 561 and the second vertical part 562,
the biogas purification system comprises: the biogas slurry drying device comprises a buffer tank 73, a biogas condenser 74, a biogas desulfurization tower 75, a biogas drying tower 76, a dual-mode gas holder 77, a solid-liquid separator 78, a biogas slurry buffer pool 79 and a sedimentation tank 80, wherein the buffer tank 73 comprises a buffer tank body 61 and a stirring device, the top of the buffer tank body 61 is provided with a biogas outlet, the bottom of the buffer tank body 61 is respectively provided with a biogas slurry inlet and a sewage outlet, a liquid inlet pipe 63 is arranged on a biogas slurry inlet of the buffer tank body 61, one end of a liquid outlet of the liquid inlet pipe 63 is inserted into the buffer tank body 61, a hemispherical flow-equalizing screen plate 64 is arranged in the buffer tank body 61, the hemispherical flow-equalizing screen plate 64 is positioned above the liquid outlet of the liquid inlet pipe 63, the stirring device comprises a stirring motor 65, a stirring shaft 66 and a stirring blade 67, the stirring motor 65 is arranged at the top of the buffer tank body 61, the stirring blade 67 is driven to rotate in the buffer tank body 61 through the stirring shaft 66, and the stirring blade 67 is positioned above the hemispherical flow-equalizing screen plate 64; a temporary storage tank 68 is arranged on one side of the buffer tank body 61, a biogas slurry inlet is formed in the top of the temporary storage tank 68, a liquid outlet is formed in the bottom of the temporary storage tank 68, an overflow port is formed in the side wall of the buffer tank body 61, the overflow port of the buffer tank body 61 is communicated with the biogas slurry inlet of the temporary storage tank 68 through a U-shaped pipe 69, a liquid inlet of the U-shaped pipe 69 is positioned below the hemispherical flow-equalizing screen plate 64 in the buffer tank body 61, and a filtering and filling layer 70 is arranged in the liquid inlet end of the U-; the liquid outlet of the temporary storage tank 68 is communicated with the biogas slurry buffer pool 79; the biogas slurry outlet of the fermentation tank 72 is communicated with the liquid inlet pipe 63 of the buffer tank body 61, the biogas outlets of the fermentation tank 72 and the buffer tank body 61 are respectively communicated with the biogas inlet of a biogas condenser 74, the biogas outlet of the biogas condenser 74 is communicated with the biogas inlet of a biogas desulfurization tower 75, the biogas outlet of the biogas desulfurization tower 75 is communicated with the biogas inlet of a biogas drying tower 76, and the biogas outlet of the biogas drying tower 76 is communicated with the biogas inlet of a dual-mode gas cabinet 77; the sewage discharge outlet of the buffer tank body 61 is communicated with a biogas slurry inlet of the solid-liquid separator 78, a biogas slurry outlet of the solid-liquid separator 78 is communicated with a biogas slurry inlet of the biogas slurry buffer tank 79, the sewage discharge outlet of the solid-liquid separator 78 is communicated with the interior of the sedimentation tank 80,
The secondary fermentation liquid discharge pump 38 is communicated with the buffer tank 73, and the tank body 49
The biogas outlet 45 at the top is communicated with the inside of the biogas condenser 74,
The biogas power generation and complementary energy recovery system comprises: a marsh gas decarbonization device 92, a marsh gas dehydration device 93, a marsh gas booster pump 94, a granulator 95, a marsh gas generator set 96, a waste heat boiler 97, a softened water treater 99 and a hot water tank 100,
The biogas outlet of the dual-mode gas cabinet 77 is communicated with the gas inlet of a biogas decarbonization device 92 through an air pump, the gas outlet of the biogas decarbonization device 92 is communicated with the gas inlet of a biogas dehydration device 93, the gas outlet of the biogas dehydration device 93 is communicated with the gas inlet of a biogas booster pump 94, the outlet of a gas pump A of the biogas booster pump 94 is provided with a flame arrester 98, the biogas booster pump 94 is communicated with the dry hot air inlet of a granulator 95 through a biogas combustion furnace,
the pelletizer 95 includes a can 111 and a pelletizing assembly,
The top of the tank body 111 is provided with a feeding hole, the side wall of the tank body 111 is provided with a dry hot air inlet and a wet hot air outlet, the bottom of the tank body 111 is in an inverted inclined round table shape, the bottom of the tank body 111 is provided with a discharging hole,
the pelletizing assembly comprises a motor 116, a shaft 117, a roller table 118 and a set of rollers 119,
the motor 116 is fixedly arranged at the bottom of the tank 111, a power output shaft of the motor 116 is in transmission connection with a rotating shaft 117 through a speed reducer, the rotating shaft 117 is positioned in the tank 111,
The rolling table 118 is fixedly arranged on the tank body 111, a rotating shaft mounting hole is formed at the bottom of the rolling table 118, a bearing is arranged in the rotating shaft mounting hole, the rotating shaft 117 passes through the rotating shaft mounting hole through the bearing and is positioned in the rolling table 118,
the transmission shafts at one end of a group of compression rollers 119 are respectively and annularly and uniformly distributed on the side wall of the rotating shaft 117, the top of the rotating shaft 117 is provided with a guide cone 120,
A group of compression rollers 119 are arranged in the compression roller accommodating groove, the compression rollers 119 are tightly attached to the bottom of the compression roller accommodating groove, a group of particle forming holes are formed in the bottom of the compression roller 118, a group of scrapers 122 are arranged at the bottom of the compression roller 118, one ends of the scrapers 122 are respectively and annularly and uniformly distributed on the rotating shaft 117,
An annular material baffle plate 123 is arranged at the center of the pressure roller accommodating groove,
the outlet of the B gas pump of the marsh gas booster pump 94 is communicated with a marsh gas generator set 96, the hot smoke outlet of the marsh gas generator set 96 is communicated with the smoke inlet of the waste heat boiler 97,
The water inlet of the softened water treater 99 is communicated with a process water source 101, the water outlet A of the softened water treater 99 is communicated with the water inlet of the waste heat boiler 97, the water outlet B of the softened water treater 99 is communicated with the water inlet of the biogas generator set 96,
The water outlet of the marsh gas generator set 96 is communicated with the water inlet of the hot water tank 100, and the water outlet of the hot water tank 100 is communicated with the water inlet of the marsh gas generator set 96.
The buffer tank 61 is provided with a liquid level meter 71.
The liquid inlet height of the temporary storage tank 68 is lower than the overflow outlet height of the buffer tank body 61.
the water outlet of the hot water tank 100 is provided with a circulating pump 102, the water outlet of the circulating pump 102 is communicated with the water inlet of the biogas generator set 96, and the circulating pump 102 is electrically connected with the biogas generator set 96 through a voltage stabilizer.
a buffer tank 103 is arranged on the outlet of the gas pump B of the biogas booster pump 94, and the output port of the buffer tank 103 is communicated with a biogas generator set 96.
The top of the annular material baffle 123 is provided with an annular sloping plate.
the dry hot air inlet is positioned above the discharge port, and the wet hot air outlet is positioned below the rolling table 118.
The working mode is as follows: crushing straws and adding water to prepare straw materials, crushing chicken manure and adding water to prepare chicken manure materials, feeding the materials into a primary anaerobic fermentation tank 31 through a straw material inlet 39 and a chicken manure material inlet 40, then carrying out primary fermentation, periodically starting a stirring device 41 to stir through an upper paddle part 53 at the upper part of a tank 49 and a lower paddle part 54 at the lower part of the tank 49, outputting biogas generated by the primary fermentation through a biogas outlet 45 for post-treatment, carrying out internal circulation fermentation of the primary anaerobic fermentation tank 31 through a primary fermentation liquid internal circulation pump 32 and a primary anaerobic heat exchanger 33 in the primary fermentation process, conveying fermentation liquid after the primary fermentation to a secondary anaerobic fermentation tank 35 through a primary fermentation liquid discharging pump 34 after the primary fermentation is finished, carrying out secondary fermentation in the secondary anaerobic fermentation tank 35, periodically starting the stirring device 41 to stir through the upper paddle part 53 at the upper part of the tank 49 and the lower paddle part 54 at the lower part, the biogas generated by the secondary fermentation is output through a biogas outlet 45 for post-treatment, the secondary fermentation is performed with the internal circulation fermentation of the secondary anaerobic fermentation tank 35 through a secondary fermentation liquid internal circulation pump 38 and a secondary anaerobic heat exchanger 37, the fermentation liquid after the secondary fermentation is delivered to a buffer tank 73 for post-treatment through a secondary fermentation liquid discharge pump 38 after the secondary fermentation is completed, the biogas outlet 45 at the top of the tank 49 is communicated with the inside of a biogas condenser 74,
Biogas slurry discharged from a fermentation tank 72 enters a buffer tank body 61 from a liquid inlet pipe 63 through a fermented residual liquid temporary storage tank 48 and then is uniformly dispersed by a hemispherical flow equalizing screen plate 64, then the biogas slurry is stirred by a stirring blade 67 to accelerate the separation of gas and liquid in the biogas slurry, the flowing speed of the liquid above the hemispherical flow equalizing screen plate 64 is higher than that below the hemispherical flow equalizing screen plate 64 in the stirring process, impurities in the biogas slurry are convenient to precipitate at the bottom of the buffer tank body 61, the impurities are discharged into a biogas condenser 74 from an air outlet at the top of the buffer tank body 61 for purification, when the liquid level of the biogas slurry in the buffer tank body 61 is higher than an overflow port, the biogas slurry at the bottom of the buffer tank body 61 is filtered by a filtering filler layer 70 and then discharged into the temporary storage tank 68, when the liquid level displayed by a liquid level meter 71 is higher than a set height at the top of the overflow port, the biogas slurry in the temporary storage tank 68 is full, at the moment, the conveying of the biogas slurry into Discharging into a solid-liquid separator 78 for separation, allowing the separated impurities to enter a sedimentation tank 80 for sedimentation, allowing the separated liquid and the biogas slurry in the temporary storage tank 68 to enter a biogas slurry buffer tank 79 for storage, allowing the biogas slurry in the U-shaped pipe 69 to flow back in the blowdown process of the buffer tank body 61, washing away the impurities on the filter filler layer 70,
the biogas discharged from the fermentation tank 72 enters the double-membrane gas holder 77, is decarbonized by a biogas decarbonization device 92, after the biogas dehydration device 93 dehydrates and the biogas booster pump 94 pressurizes, a part of the biogas enters the granulator 95 through a flame arrester 98, and heat energy is provided for the granulator 95 through combustion; the other part of the marsh gas enters a marsh gas generator set 96 for power generation, part of the water delivered by a process water source 101 enters the marsh gas generator set 96 after being treated by a water softening treater 99 for cooling the marsh gas generator set 96, the other part of the softened water enters a waste heat boiler 97,
Hot flue gas generated by the biogas generator set 96 enters the waste heat boiler 97 to heat water in the waste heat boiler 97; one part of the recycled hot flue gas is discharged, the other part of the recycled hot flue gas enters a fermentation treatment system, hot water generated by the biogas generator set 96 enters a hot water tank 100, and water in the hot water tank 100 is pumped into the biogas generator set 96 through a circulating pump 102, so that the water is recycled and cooled; flame arrestor 98 may prevent flame propagation after methane combustion; the electric energy generated by the biogas generator set 96 is used for the circulating pump 102 to operate continuously. The buffer tank 103 plays a role of temporarily storing the biogas, so that the biogas can be more stably conveyed into the biogas generator set 96.
When the granulator 95 is used, materials are fed from a feeding hole, the materials are dispersed into the compression roller accommodating groove under the action of the guide cone 120, the motor 116 drives the rotating shaft 117 to rotate through the speed reducer, the compression rollers 119 rotate around the rotating shaft 117 to roll the materials in the compression roller accommodating groove, cylindrical materials are generated through the particle forming holes under the action of pressure, the cylindrical materials are cut into particles under the action of the scrapers 122, hot air is blown into the dry hot air inlet through the air blower to dry the particles, and wet hot air is drawn out from the wet hot air outlet through the exhaust fan;
discharging finished product particles from a discharge hole; the annular striker plate 123 blocks the extruded material from contacting the bearing and the rotating shaft; the bottom of the tank body 111 is in an inverted inclined truncated cone shape, so that discharging is convenient; an annular inclined plate is arranged at the top of the annular material baffle plate 123 to further enhance the blocking effect; the inclined arrangement of damp and hot wind export on jar body 111 can avoid the updraft ventilator to take away dry particle.
Claims (7)
1. a post-processing line for biogas power generation is characterized by comprising a biogas fermentation tank system, a biogas purification system, a biogas power generation and complementary energy recovery system,
The biogas fermentation tank system comprises: a first-stage anaerobic fermentation tank (31), a first-stage fermentation liquor internal circulation pump (32), a first-stage anaerobic heat exchanger (33), a first-stage fermentation liquor discharge pump (34), a second-stage anaerobic fermentation tank (35), a second-stage fermentation liquor internal circulation pump (36), a second-stage anaerobic heat exchanger (37) and a second-stage fermentation liquor discharge pump (38), wherein the upper parts of the tank bodies (49) of the first-stage anaerobic fermentation tank (31) and the second-stage anaerobic fermentation tank (35) are respectively provided with a straw material inlet (39) with a valve, the lower parts of the tank bodies (49) are respectively provided with a chicken manure material inlet (40) with a valve, the inside of the tank body (49) is also provided with a stirring device (41), the upper part of the tank body (49) is slightly higher than the straw material inlet (39) and is provided with a high-level overflow port (42), the high-level overflow port, the methane outlet (45) is communicated with a methane desulphurization device through a pipeline; a first fermentation liquid outlet (43) and a second fermentation liquid outlet (44) are arranged at the lower part of the primary anaerobic fermentation tank (31), the first fermentation liquid outlet (43) is communicated with a liquid inlet of the primary fermentation liquid internal circulation pump (32) through a pipeline, a liquid outlet of the primary fermentation liquid internal circulation pump (32) is communicated with the primary anaerobic heat exchanger (33), and the primary anaerobic heat exchanger (33) is communicated to the primary anaerobic fermentation tank (31) through a pipeline so as to realize the internal circulation of the primary anaerobic fermentation tank (31); the second fermentation liquid outlet (44) is communicated with a first fermentation liquid discharging pump (34) through a pipeline, the first fermentation liquid discharging pump (34) is communicated with a straw material inlet (39) and a chicken manure material inlet (40) of the second anaerobic fermentation tank (35) through pipelines, a third fermentation liquid outlet (46) and a fourth fermentation liquid outlet (47) are arranged at the lower part of the second anaerobic fermentation tank (35), the third fermentation liquid outlet (46) is communicated with a liquid inlet of a second fermentation liquid internal circulating pump (36) through a pipeline, a liquid outlet of the second fermentation liquid internal circulating pump (36) is communicated with the second anaerobic heat exchanger (37) through a pipeline, and the second anaerobic heat exchanger (37) is communicated with the second anaerobic fermentation tank (35) through a pipeline so as to realize the internal circulation of the second anaerobic fermentation tank (35); the fourth fermentation liquid outlet (47) is communicated with the second-stage fermentation liquid discharge pump (38) through a pipeline, the stirring device (41) comprises a motor (51) arranged above the tank body (49) and a stirring paddle assembly (52) which is positioned in the tank body and connected with a rotating shaft of the motor (51), the stirring paddle assembly (52) comprises a stirring shaft (55), an upper paddle part (53) fixedly connected with the stirring shaft (55) and positioned at the upper part of the tank body (49), and a lower paddle part (54) fixedly connected with the stirring shaft (55) and positioned at the lower part of the tank body (49), the upper paddle part (53) and the lower paddle part (54) are both of an N-shaped structure, the upper paddle part (53) and the lower paddle part (54) respectively comprise a first vertical part (561), a second vertical part (562) and a connecting rod (563) of which two ends are fixedly connected with the upper end of the first vertical part (561) and the lower end of the second vertical part (562) respectively, the middle part of the connecting rod (563) is fixedly connected with the stirring shaft (55), one sides of the first vertical part (561) and the second vertical part (562) close to the side wall of the filling body (49) are provided with a plurality of protrusions (564) arranged at equal intervals along the vertical direction, each protrusion (564) comprises a conical part (565) and a screw part (567) fixedly connected with the bottom of the conical part and provided with threads, and the first vertical part (561) and the second vertical part (562) are respectively provided with a screw hole matched with the screw part (567),
the biogas purification system comprises: the biogas slurry drying device comprises a buffer tank (73), a biogas condenser (74), a biogas desulfurization tower (75), a biogas drying tower (76), a dual-mode gas holder (77), a solid-liquid separator (78), a biogas slurry buffer pool (79) and a sedimentation tank (80), wherein the buffer tank (73) comprises a buffer tank body (61) and a stirring device, the top of the buffer tank body (61) is provided with a biogas outlet, the bottom of the buffer tank body (61) is respectively provided with a biogas slurry inlet and a sewage outlet, a liquid inlet pipe (63) is arranged on the biogas slurry inlet of the buffer tank body (61), one end of a liquid outlet of the liquid inlet pipe (63) is inserted into the buffer tank body (61), a hemispherical flow-equalizing screen plate (64) is arranged in the buffer tank body (61), the hemispherical flow-equalizing screen plate (64) is positioned above the liquid outlet of the liquid inlet pipe (63), the stirring device comprises a stirring motor (65), a stirring shaft (66, the stirring blade (67) is driven to rotate in the buffer tank body (61) through the stirring shaft (66), and the stirring blade (67) is positioned above the hemispherical flow equalizing screen plate (64); a temporary storage tank (68) is arranged on one side of the buffer tank body (61), a biogas slurry inlet is formed in the top of the temporary storage tank (68), a liquid discharge port is formed in the bottom of the temporary storage tank (68), an overflow port is formed in the side wall of the buffer tank body (61), the overflow port of the buffer tank body (61) is communicated with the biogas slurry inlet of the temporary storage tank (68) through a U-shaped pipe (69), a liquid inlet of the U-shaped pipe (69) is positioned below the hemispherical flow equalization screen plate (64) in the buffer tank body (61), and a filtering and filling layer (70) is arranged in the liquid inlet end of the U-shaped pipe (69); a liquid outlet of the temporary storage tank (68) is communicated with the biogas slurry buffer pool (79); a biogas slurry outlet of the fermentation tank (72) is communicated with a liquid inlet pipe (63) of the buffer tank body (61), biogas outlets of the fermentation tank (72) and the buffer tank body (61) are respectively communicated with a biogas inlet of a biogas condenser (74), a biogas outlet of the biogas condenser (74) is communicated with a biogas inlet of a biogas desulfurization tower (75), a biogas outlet of the biogas desulfurization tower (75) is communicated with a biogas inlet of a biogas drying tower (76), and a biogas outlet of the biogas drying tower (76) is communicated with a biogas inlet of a dual-mode gas cabinet (77); the sewage outlet of the buffer tank body (61) is communicated with a biogas slurry inlet of the solid-liquid separator (78), a biogas slurry outlet of the solid-liquid separator (78) is communicated with a biogas slurry inlet of the biogas slurry buffer tank (79), the sewage outlet of the solid-liquid separator (78) is communicated with the interior of the sedimentation tank (80),
the secondary fermentation liquor discharge pump (38) is communicated with the interior of the buffer tank (73) and the tank body (49)
The biogas outlet (45) at the top is communicated with the inside of the biogas condenser (74),
The biogas power generation and complementary energy recovery system comprises: a marsh gas decarbonization device (92), a marsh gas dehydration device (93), a marsh gas booster pump (94), a granulator (95), a marsh gas generator set (96), a waste heat boiler (97), a softened water processor (99) and a hot water tank (100),
a biogas outlet of the dual-mode gas cabinet (77) is communicated with a gas inlet of a biogas decarbonization device (92) through an air pump, a gas outlet of the biogas decarbonization device (92) is communicated with a gas inlet of a biogas dehydration device (93), a gas outlet of the biogas dehydration device (93) is communicated with a gas inlet of a biogas booster pump (94), a flame arrester (98) is arranged at an outlet of a gas pump A of the biogas booster pump (94), the biogas booster pump (94) is communicated with a dry hot air inlet of a granulator (95) through a biogas combustion furnace,
the granulator (95) comprises a tank (111) and a granulating assembly,
the top of the tank body (111) is provided with a feeding hole, the side wall of the tank body (111) is provided with a dry hot air inlet and a wet hot air outlet, the bottom of the tank body (111) is in an inverted inclined circular truncated cone shape, the bottom of the tank body (111) is provided with a discharging hole,
The granulating component comprises a motor (116), a rotating shaft (117), a rolling table (118) and a group of pressing rollers (119),
The motor (116) is fixedly arranged at the bottom of the tank body (111), a power output shaft of the motor (116) is in transmission connection with the rotating shaft (117) through a speed reducer, the rotating shaft (117) is positioned in the tank body (111),
the rolling platform (118) is fixedly arranged on the tank body (111), a rotating shaft mounting hole is formed in the bottom of the rolling platform (118), a bearing is arranged in the rotating shaft mounting hole, the rotating shaft (117) penetrates through the rotating shaft mounting hole through the bearing and is positioned in the rolling platform (118),
the transmission shafts at one end of a group of compression rollers (119) are respectively and annularly and uniformly distributed on the side wall of the rotating shaft (117), the top of the rotating shaft (117) is provided with a flow guide cone (120),
A compression roller accommodating groove is formed in the compression roller platform (118), a group of compression rollers (119) are positioned in the compression roller accommodating groove, the compression rollers (119) are tightly attached to the bottom of the compression roller accommodating groove, a group of particle forming holes are formed in the bottom of the compression roller platform (118), a group of scrapers (122) are arranged at the bottom of the compression roller platform (118), one ends of the scrapers (122) are respectively and annularly and uniformly distributed on the rotating shaft (117),
an annular material baffle plate (123) is arranged at the center in the compression roller accommodating groove,
The outlet of the gas pump B of the biogas booster pump (94) is communicated with a biogas generator set (96), the hot flue gas outlet of the biogas generator set (96) is communicated with the flue gas inlet of the waste heat boiler (97),
The water inlet of the water softening treatment device (99) is communicated with a process water source (101), the water outlet A of the water softening treatment device (99) is communicated with the water inlet of the waste heat boiler (97), the water outlet B of the water softening treatment device (99) is communicated with the water inlet of the biogas generator set (96),
The water outlet of the marsh gas generator set (96) is communicated with the water inlet of the hot water tank (100), and the water outlet of the hot water tank (100) is communicated with the water inlet of the marsh gas generator set (96).
2. the post-treatment line for biogas power generation according to claim 1, characterized in that a liquid level meter (71) is provided in the buffer tank (61).
3. The post-treatment line for biogas power generation according to claim 1, characterized in that the height of the liquid inlet of the temporary storage tank (68) is lower than the height of the overflow port of the buffer tank body (61).
4. The post-processing line for biogas power generation according to claim 1, characterized in that the water outlet of the hot water tank (100) is provided with a circulating pump (102), the water outlet of the circulating pump (102) is communicated with the water inlet of the biogas generator set (96), and the circulating pump (102) is electrically connected with the biogas generator set (96) through a voltage stabilizer.
5. The post-processing line for biogas power generation according to claim 1, characterized in that a buffer tank (103) is arranged on the outlet of the gas pump B of the biogas booster pump (94), and the outlet of the buffer tank (103) is communicated with the biogas generator set (96).
6. the post-treatment line for biogas power generation according to claim 1, characterized in that the top of the annular striker plate (123) is provided with an annular sloping plate.
7. the post-processing line for biogas power generation according to claim 1, characterized in that the inlet for dry hot air is located above the discharge port and the outlet for wet hot air is located below the rolling table (118).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810561466.7A CN110551614A (en) | 2018-06-04 | 2018-06-04 | post-processing line for biogas power generation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217353A (en) * | 2021-04-21 | 2021-08-06 | 中盐华能储能科技有限公司 | Distributed compressed air energy storage system |
| CN114958558A (en) * | 2022-05-13 | 2022-08-30 | 北京中持绿色能源环境技术有限公司 | Anaerobic system boiler air feed buffer system |
-
2018
- 2018-06-04 CN CN201810561466.7A patent/CN110551614A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217353A (en) * | 2021-04-21 | 2021-08-06 | 中盐华能储能科技有限公司 | Distributed compressed air energy storage system |
| CN114958558A (en) * | 2022-05-13 | 2022-08-30 | 北京中持绿色能源环境技术有限公司 | Anaerobic system boiler air feed buffer system |
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