CN201473525U - Integrated processing device capable of preparing methane by utilizing renewable biomass - Google Patents

Integrated processing device capable of preparing methane by utilizing renewable biomass Download PDF

Info

Publication number
CN201473525U
CN201473525U CN200920159700XU CN200920159700U CN201473525U CN 201473525 U CN201473525 U CN 201473525U CN 200920159700X U CN200920159700X U CN 200920159700XU CN 200920159700 U CN200920159700 U CN 200920159700U CN 201473525 U CN201473525 U CN 201473525U
Authority
CN
China
Prior art keywords
communicated
gas
outlet
pipeline
tubular heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200920159700XU
Other languages
Chinese (zh)
Inventor
孙河忠
董利霞
曹国顺
于志艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lihua energy storage and transportation Limited by Share Ltd
Original Assignee
BAZHOU LIHUA GAS STORAGE AND TRANSPORTATION Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BAZHOU LIHUA GAS STORAGE AND TRANSPORTATION Co Ltd filed Critical BAZHOU LIHUA GAS STORAGE AND TRANSPORTATION Co Ltd
Priority to CN200920159700XU priority Critical patent/CN201473525U/en
Application granted granted Critical
Publication of CN201473525U publication Critical patent/CN201473525U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • C12M41/20—Heat exchange systems, e.g. heat jackets or outer envelopes the heat transfer medium being a gas
    • 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
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/10—Separation or concentration of fermentation products
    • 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
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The utility model discloses an integrated processing device capable of preparing methane by utilizing renewable biomass, which is structurally characterized in that a feeder, a feeding tank, a fermenter, a preposed purification separator, a fuel gas storage cabinet, a postposed purifier and a fuel gas compressor are connected in series through a pipeline; the first stage outlet of the fuel gas compressor is communicated with the second stage inlet through a NO.1 tubular heat exchanger, and the second stage outlet of thee fuel gas compressor is communicated with a devulcanizer through a NO.2 tubular heat exchanger; the devulcanizer is communicated with an absorption and regeneration tank through an uplink pipeline; the absorption and regeneration tank is communicated with the third stage inlet of the fuel gas compressor through a down-link pipeline; the third stage outlet is communicated with a fuel gas delivery pipeline through a NO.3 tubular heat exchanger; and the absorption and regeneration tank is communicated with the first stage inlet of the fuel gas compressor through a bypass pipe and a feedback pipe. The integrated processing device takes renewable biomass and organic wastes as the materials to prepare methane-containing combustible gas, and can purify, desulfurize, decarburize and dehydrate the combustible gas, thereby the purpose of industrial large-scale production is achieved and the products accord with the national standard.

Description

Utilize renewable biomass to produce methane integrated technique device
Technical field
The utility model relates to the recovery and the treatment unit of recyclable organism mass-energy.
Background technology
Along with the exhaustion day by day of primary energy source (as coal, oil, Sweet natural gas), energy shortage becomes the bottleneck of the current Economic development of restriction.Countries in the world are all at the reproducible secondary energy of active development, and biomass energy is as a kind of secondary energy, have recyclability, low contaminative and characteristics such as widely distributed.Biomass energy mainly is to be raw material with agricultural crop straw, feces of livestock and poultry, organic waste the like waste, carries out resource deep development and recycle by the Wood Adhesives from Biomass technology.
At present, the country that a lot of in the world economy develop rapidly all is faced with the dual-pressure of economic growth and environment protection.Therefore seek substitute energy, change traditional fossil energy production and consumption mode, reproducible clean energies such as development and use biomass energy are significant to the development and the environment protection of sustainability.
China is a large agricultural country, biological energy raw material is quite abundant, but but fail effectively to be used, with the agricultural crop straw is example, China's quantum of output of annual agricultural crop straw year is about 600,000,000 tons, wherein sub-fraction is as peasant household's cooking, heating fuel, directly burnedly on the bavin kitchen range fall, this very poor efficiency of mode that utilizes, effciency of energy transfer only are about 10% one 20%, and some is used as poultry and livestock feed, remaining major part is then abandoned in field, the edge of a field directly burns, the discarded stalk amount in many areas has accounted for more than 60% of total stalk amount, has both endangered environment, wastes resource again.If it can be carried out the biomass transformation of energy, then can reduce discharging, protection environment.
Fowl and animal excrement also is a kind of important biomass energy source.China's a lot of fowl domestic animals product all occupies first place in the world as the output of chicken, pig and ox, and in manure resource, the ight soil of big-and-middle-sized plant is easy to concentrate exploitation, mass-producing to utilize.The present big-and-middle-sized ox of China, pig, about more than 6000 families of chicken house discharge more than 80 ten thousand tons in fecaluria and flushing sewage every day, if it can be carried out the biomass transformation of energy, then can reduce pollution, can also produce many organic fertilizer.
Along with expanding economy, the expansion of city size and the acceleration of urbanization process, the generation and the accumulating amount of China's townm refuse increase year by year, and organic content such as the foodstuff waste in the rubbish are near 1/3 even higher; If it can be carried out the biomass transformation of energy, then can reduce the pollution that garbage loading embeading causes environment and underground water.
Though the recovery approach of biomass energy is a lot, carry out the analysis-by-synthesis contrast from energy transfer, material cycle and three aspects of the eubiosis as can be known, biogas fermentation is the most reasonable, most economical, the mode the most efficiently of biomass utilization.
Biogas be various biomass under the condition of secluding air, a kind of combustible gas that produces through the effect of methane fermentating microorganism.Methane fermentating microorganism is a general designation, comprises zymogenic bacteria, produces the hydrogen acetogen, consumes the hydrogen acetogen, eats the producing hydrogen and methane bacterium, eats acetic acid and methane producing bacterium five big monoids.Five big monoid bacteriums constitute a food chain, and from the physiological metabolism product of each group bacterium or their the activity influence to fermented liquid pH value, marsh gas fermentation processes can be divided into hydrolysis, produce acid and product methane three phases.
The main component of biogas is a methane.Biogas is by 50%～80% methane, 20%～40% carbonic acid gas, 0%～5% nitrogen, gas composition such as hydrogen, oxygen less than 0.4% and 0.1%～3% hydrogen sulfide less than 1%.
Yet biogas is as a kind of product, and its level of quality is very low, only can be used for purposes such as agricultural cooking fuel, if do not make the purifying processing treatment, it is too low that the methane product added value is compared with cost, is difficult to commercialization and popularizes, and becomes a bottleneck difficult problem of applying.Existing equipment with biomass production biogas all is independently, function singleness, and production efficiency is low, and the energy consumption height does not form industrialization, intensification production system, can not do subsequent disposal to the biogas of producing, a large amount of CO in the biogas 2Can make transportation cost increase Deng not flammable composition, the H in the biogas 2S gas also can the corrosion pipeline system, and these factors have restricted the scale operation and the application of biogas.
The utility model content
For addressing the above problem, the purpose of this utility model provides a whole set of and utilizes renewable biomass to produce methane integrated technique device, with renewable biomass, organic waste materials is raw material, produce the inflammable gas that is rich in the methane composition and with the inflammable gas purifying, carry out desulfurization, decarburization, dehydration, thereby reach the purpose that realizes that large-scale industrialization is produced.
For achieving the above object, the utility model is by the following technical solutions:
A kind of renewable biomass of utilizing is produced methane integrated technique device, comprise charging machine, feed pot, fermentor tank, preposition decontaminating separator, rearmounted decontaminating separator, combustion gas storage cabinet, gas compressor, a tubular heat exchange, No. two tubular heat exchanges, No. three tubular heat exchanges, digester, absorption regeneration jar group, it is characterized in that: the outlet of described charging machine is communicated with the material inlet of feed pot through piping, the material outlet of feed pot is communicated with the material inlet of fermentor tank through piping, the gas outlet of fermentor tank is communicated with the fuel gas inlet of preposition decontaminating separator through piping, and the gas outlet of preposition decontaminating separator is communicated with through the fuel gas inlet of piping with combustion gas storage cabinet; The gas outlet of combustion gas storage cabinet is communicated with the fuel gas inlet of rearmounted decontaminating separator through piping, the gas outlet of rearmounted decontaminating separator is communicated with the first step import of gas compressor through piping, the first step outlet of gas compressor is communicated with the tube side import of a tubular heat exchange through piping, the tube side outlet of a tubular heat exchange is communicated with the second stage import of gas compressor through piping, the second stage outlet of gas compressor is communicated with the tube side import of No. two tubular heat exchanges through piping, the tube side outlet of No. two tubular heat exchanges is communicated with the fuel gas inlet of digester through piping, the gas outlet of digester is communicated with up pipeline, the third stage import of gas compressor is communicated with descending pipeline, described absorption regeneration jar group is made of a plurality of absorption regeneration jars, these absorption regeneration jars all are connected across between up pipeline and the descending pipeline, the fuel gas inlet of each absorption regeneration jar is communicated with up pipeline by up airway, the gas outlet of each absorption regeneration jar is communicated with descending pipeline by descending airway, the fuel gas inlet of each absorption regeneration jar also links to each other with exhaust pipe through bypass pipe, the gas outlet of each absorption regeneration jar also is communicated with descending pipeline through return line, described bypass pipe also is communicated with the first step import of gas compressor through the feedback pipe, described up airway, descending airway, bypass pipe, return line, the feedback pipe, valve all is housed on the exhaust pipe, the third stage outlet of gas compressor is communicated with the tube side import of No. three tubular heat exchanges through piping, the tube side outlet of No. three tubular heat exchanges is communicated with fuel gas transportation pipeline, No. one, No. two, the shell side import of No. three tubular heat exchanges all is communicated with the cold water transport pipe, No. one, No. two, the shell side outlet of No. three tubular heat exchanges all is communicated with the delivery pipeline, bottom at fermentor tank is provided with heat exchanger, the water-in of this heat exchanger is communicated with the delivery pipeline, the water outlet of this heat exchanger is communicated with water tank through water shoot, water tank is communicated with the cold water transport pipe, and the cold water transport pipe is provided with recycle pump.
The utility model has following positive beneficial effect:
This covering device is a raw material with renewable biomass, organic waste materials, produce the inflammable gas that is rich in the methane composition and with the inflammable gas purifying, carry out desulfurization, decarburization, dehydration, the inflammable gas of producing meets the standard GB17820 of national natural gas, also can produce the series product that meet national vehicular compressed natural gas standard GB18047 etc.The cost performance of the methane finished product that this covering device is produced is far superior to present civilian, industry and vehicle fuel.
What be worth emphasizing is: to produce the process of methane be exothermic process to fermentation using bacteria in the fermentor tank, do not need heating in summer, but in the winter time, spring, autumn can not keep temperature of reaction, need heat.The utility model does not adopt combustion gas direct heating fermentor tank mode, and reason is that the high temperature that fuel gas buring produces can cause the fermentor tank local superheating, is unfavorable for reacting and carries out, and high-pressure gas enters heating system, can increase unsafe factor.Indirect heating can be controlled the temperature of fermentor tank more easily.For this reason, the utility model is provided with heat exchanger in the bottom of fermentor tank, carries out controlled heating by hot water in heat exchanger.Can be convenient to carry in order to make inflammable gas, to carry out stage compression to inflammable gas by gas compressor, temperature can raise during gas pressurization, discharge a large amount of heats, usually adopt water coolant that gas is lowered the temperature, the utility model makes full use of this compressor/heat source, and the water after temperature is raise is sent in the heat exchanger of fermentor tank bottom, for fermentor tank provides heat, reach effect energy-conservation, consumption reduction.
Description of drawings
Fig. 1 is a complete schematic of the present utility model.
Fig. 2 is the schematic diagram of aerogenesis among Fig. 1, storage system.
Fig. 3 is the schematic diagram of compression system among Fig. 1.
Fig. 4 is the schematic diagram that removes carbon-dioxide system among Fig. 1.
Fig. 5 is the schematic diagram of the circulating pipe system of heat exchanger.
Embodiment
Number in the figure
1 charging machine, 2 feed pots, 201 material inlets, 202 material outlets
3 fermentor tanks, 301 material inlets, 302 gas outlets
303 water-ins, 304 water outlets, 305 liquid phases export 306 slag notches
307 reaction zones, 308 tank bodies, 309 heat exchangers
4 preposition decontaminating separators
401 fuel gas inlet, 402 gas outlets, 403 drains
404 leakage fluid drams, 405 tank bodies, 406 top covers, 407 catching nets
5 combustion gas storage cabinet, 501 fuel gas inlet, 502 gas outlets, 503 bleeders
504 water, 505 cabinets, 506 bell jars, 507 guide rails
6 rearmounted decontaminating separator 601 fuel gas inlet 602 gas outlets
7 gas compressors
701 first step imports, 702 first step export 703 second stage imports
704 second stage export the outlet of 705 third stage imports, 706 third stage
8 digesters, 801 fuel gas inlet, 802 gas outlets, 803 drains
804 sewage draining exits, 805 scavenging agents, 806 tank bodies, 807 end sockets
9 absorption regeneration jars
901 fuel gas inlet (resurgent gases outlet) 902 gas outlets (resurgent gases import)
903 sorbent materials, 904 tank bodies, 905 end sockets, 906 double-edged fine-toothed combs
10 exhaust pipes
No. 11 tubular heat exchange 111 tube side imports 112 tube sides outlets
The outlet of 113 shell side imports, 114 shell sides
12 No. two tubular heat exchange 121 tube side imports 122 tube sides outlets
The outlet of 123 shell side imports, 124 shell sides
13 No. three tubular heat exchange 131 tube side imports 132 tube sides outlets
The outlet of 133 shell side imports, 134 shell sides
14 cold water transport pipes, 15 delivery pipelines, 16 recycle pumps
17 water shoots, 18 water tanks, 19 pipelines, 20 underflow pumps
21 pipelines, 22 pipelines, 23 pipelines, 24 pipelines, 25 pipelines
26 pipelines, 27 pipelines, 28 pipelines, 29 pipelines, 30 pipelines
31 up pipeline 32 descending pipeline 33 pipelines 34 gas supply pipes
35 bypass pipes, 36 return lines, 37 valves, 38 valves
39 valves, 40 valves, 41 up airways
42 descending airway 43 valves 44 feedback pipes 45 valves
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the utility model is that a kind of renewable biomass of utilizing is produced methane integrated technique device, comprises charging machine, feed pot, fermentor tank, preposition decontaminating separator, rearmounted decontaminating separator, combustion gas storage cabinet, gas compressor, tubular heat exchange, No. two tubular heat exchanges, No. three tubular heat exchanges, digester, absorption regeneration jar.
The outlet of charging machine 1 is communicated with the material inlet 201 of feed pot 2 through piping 21, the material outlet 202 of feed pot 2 is communicated with the material inlet 301 of fermentor tank 3 through piping 22, pipeline 22 is provided with underflow pump 20, the gas outlet 302 of fermentor tank 3 is communicated with the fuel gas inlet 401 of preposition decontaminating separator 4 through piping 23, and the gas outlet 402 of preposition decontaminating separator 4 is communicated with through the fuel gas inlet 501 of piping 24 with combustion gas storage cabinet 5; Please refer to Fig. 2, catching net 407 is equipped with in tank body 405 inside of preposition decontaminating separator 4, catching net 407 plays seizure, separate fermentation treatment solution, free water content, and isolated fermentation treatment fluid is discharged from the leakage fluid dram 404 of tank body 405, returns feed pot 2 recyclings through piping.
The gas outlet 502 of combustion gas storage cabinet 5 is communicated with the fuel gas inlet 601 of rearmounted decontaminating separator 6 through piping 25, the gas outlet 602 of rearmounted decontaminating separator 6 is communicated with the first step import 701 of gas compressor 7 through piping 26, the structure of rearmounted decontaminating separator 6 is identical with the structure of preposition decontaminating separator 4, catching net also is housed in its tank body, catching net can separate the impurity such as moisture in the combustion gas, and the moisture after the separation emits from leakage fluid dram.
Please refer to Fig. 3, Fig. 4, the first step of gas compressor 7 outlet 702 is communicated with the tube side import 111 of a tubular heat exchange 11 through piping 27, and the tube side of a tubular heat exchange 11 exports 112 and is communicated with the second stage import 703 of gas compressor 7 through piping 28.
The second stage of gas compressor 7 outlet 704 is communicated with the tube side import 121 of No. two tubular heat exchanges 12 through piping 29, the tube side of No. two tubular heat exchanges 12 outlet 122 is communicated with the fuel gas inlet 801 of digester 8 through piping 30, and the gas outlet 802 of digester 8 is communicated with up pipeline 31.
The third stage import 705 of gas compressor 7 is communicated with descending pipeline 32, in the present embodiment, absorption regeneration jar group is made up of four absorption regeneration jars 9, these absorption regeneration jars 9 all are connected across between up pipeline 31 and the descending pipeline 32, the fuel gas inlet 901 of each absorption regeneration jar 9 is communicated with up pipeline 31 by up airway 41, the gas outlet 902 of each absorption regeneration jar 9 is communicated with descending pipeline 32 by descending airway 42, the fuel gas inlet 901 of each absorption regeneration jar 9 also links to each other with exhaust pipe 10 through bypass pipe 35, the gas outlet 902 of each absorption regeneration jar 9 also is communicated with descending pipeline 32 through return line 36, and bypass pipe 35 is also managed 44 through feedback and is communicated with the first step import 701 of gas compressor 7.
On the up airway 41 valve 39 is housed, on the descending airway 42 valve 40 is housed.Valve 37 is housed on the bypass pipe 35, valve 38 is housed on the return line 36, valve 43 is housed on the exhaust pipe 10, on the feedback pipe 44 valve 45 is housed, the third stage of gas compressor 7 outlet 706 is communicated with the tube side import 131 of No. three tubular heat exchanges 13 through piping 33, and the tube side of No. three tubular heat exchanges 13 exports 132 and is communicated with fuel gas transportation pipeline 34.
Please refer to Fig. 3, in the tank body 806 of digester 8 scavenging agent 805 is housed, scavenging agent 805 can be a kind of in ferric oxide or the molecular sieve, selects sulfide in the absorption combustion gas by scavenging agent 805.
Please refer to Fig. 5, the shell side import 113,123,133 of No. one, No. two, No. three tubular heat exchanges 11,12,13 all is communicated with cold water transport pipe 14.
The shell side outlet 114,124,134 of No. one, No. two, No. three tubular heat exchanges 11,12,13 all is communicated with delivery pipeline 15, be provided with heat exchanger 309 in the bottom of fermentor tank 3, the water-in 303 of this heat exchanger 309 is communicated with delivery pipeline 15, the water outlet 304 of heat exchanger 309 is communicated with water tank 18 through water shoot 17, water tank 18 is communicated with cold water transport pipe 14, thereby the formation circulation loop, cold water transport pipe 14 is provided with recycle pump 16.
Above-mentioned gas compressor 7 belongs to the special gas compressor, and it is configured to prior art, so no longer given unnecessary details.
The principle of work of this device is as follows:
Biomass material such as straw etc. enter crusher and are crushed to 1-2cm, after stacking place stack retting acidifying, put into by charging machine 1 and to be added with water, after mixing in the feed pot 2 of bacterial treatment liquid and other auxiliary material, under the drive of underflow pump 20, enter in the fermentor tank 3 through the material inlet 301 of pipeline 22 by fermentor tank 3, under the medium temperature condition at reaction zone 307 internal reactions, through acid-producing bacteria, the decomposition of methanobacteria and fermentative action, the inflammable gas of methane is rich in generation, and converge to the tank body top of fermentor tank 3, from gas outlet 302 outputs, enter in the preposition decontaminating separator 4 through the fuel gas inlet 401 of pipeline 23 by preposition decontaminating separator 4; The combustion gas that this process produces is slightly high than normal pressure, need not pressurize and can carry voluntarily, and the bacterial treatment liquid of fermentor tank 3 is flowed out by bottom liquid phases outlet 305, returns feed pot 2 through pipeline 19 from pressing, and recycles.The waste residue that produces is regularly discharged by slag notch 306, becomes organic fertilizer.Whole gas-making process contamination-free produces.
The bacterial treatment process is an exothermic process, but can not keep temperature of reaction in cold season, need heat.Fermentor tank 3 outsides add lagging material and are incubated, and in tank body 308 bottoms heat exchanger 309 are set and heat, and the heat that produces when making full use of back operation gas compression reaches energy conservation and consumption reduction effects for the heating thermal source.
Combustion gas is in preposition decontaminating separator 4, catch through catching net 407 and to separate, to remove fermentation treatment fluid, free-water and grade behind the impurity, from gas outlet 402 outputs, the fuel gas inlet 501 of being stored up cabinet 5 through pipeline 24 by combustion gas enters storage in the combustion gas storage cabinet 5, isolated liquid is regularly discharged by sewage draining exit 404, sends into recycling in the fermentor tank 3.
Please refer to Fig. 2, combustion gas storage cabinet 5 is made of parts such as cabinet 505, bell jar 506, guide rail 507, bleeders 503.Cabinet 505 inner water-fillings 504, bell jar 506 is positioned at the cabinet bottom when stored-gas not, after charging into gas, can freely fluctuate under the effect of guide rail 507, the self gravitation by bell jar 506 (can increase counterweight when adjusting pressure) makes and keeps malleations in the cabinet 505; Gas enters from the bottom of cabinet 505, and overflowing above by the water surface under the effect of conduit, directly enters in the bell jar 506, by press in the gas, the gas reserves fluctuate bell jar 506, reach the purpose of storage combustion gas.
When storage when excessive, can cause the water seal insufficient pressure near the water surface after deeply under water bleeder 503 raises in company with bell jar by bell jar 506 tops, diffuse out a small amount of gas to reduce the bell jar height, avoid bell jar to deviate from cabinet 505.Cabinet 505 is provided with facilities such as filling pipe end, water port, overflow port in addition, is prior art, so no longer describe in detail.
Through the inflammable gas that above-mentioned gas-making process makes, wherein contain the CO of 20-40% 2, a spot of H 2S, H 2Gases such as O, H 2S is deleterious sour gas, remains in meeting etching apparatus, pipeline in the gas, and personnel are also had harm, need remove.Combustion gas after desulfurization just can be used as fuel and uses in this locality, when being used for the medium and long distance user and using, need carry out purifying, improves combustibleconstituents CH as far as possible 4Content, to reduce transportation cost.The main process of purifying is for removing CO 2The process of (being decarburization).The utility model adopts pressure swing adsorption process to carry out purifying, and pressure swing adsorption process has advantages such as flow process is simple, energy consumption is low, adaptive faculty is strong.Its principle is in the certain pressure scope, and sorbent material can be selected CO absorption 2Deng gas and can not adsorb CH 4Gas; After pressure reduced, sorbent material can be with the CO of absorption 2Come out etc. gas release, make sorbent material obtain regeneration.
Combustion gas is by gas outlet 502 outputs of combustion gas storage cabinet, in pipeline 25 enters rearmounted decontaminating separator 6, catch by its inner catching net, after separating moisture, combustion gas from the output of the gas outlet of rearmounted decontaminating separator 6, through piping 26, the one-level that enters gas compressor 7 from the first step import 701 of gas compressor 7 is pressurizeed, pressurization back gas temperature raises, after need cooling off, can continue high-temperature gas pressurization, through the combustion gas of once compression from the first step of gas compressor 7 outlet 702, pipeline 27 enters in a tubular heat exchange 11 and cools, then, tube side outlet 112 outputs from a tubular heat exchange 11, through being entered the second stage of gas compressor 7 by the second stage import 703 of gas compressor 7 in, pipeline 28 pressurizes, after the pressurization, by the second stage of gas compressor 7 outlet 704 outputs, after pipeline 29 enters in No. two tubular heat exchanges 12 cooling once more, enter in the digester 8 805 couples of H of the scavenging agent in the digester 8 by pipeline 30 2Desulfurization is carried out in the S selective adsorption, combustion gas after the desulfurization is from gas outlet 802 outputs of digester 8, enter in the absorption regeneration jar 9 through up pipeline 31, please refer to Fig. 4, be provided with double-edged fine-toothed comb 906 in the tank body 904 of absorption regeneration jar 9, sorbent material 903 is housed on the double-edged fine-toothed comb 906, sorbent material 903 can be a kind of in gac, molecular sieve, the silica gel, in preferred embodiments, adopt molecular sieve as absorbent.
When sorbent materials such as employing molecular sieve, remove adsorbing and removing CO 2Outside the gas, simultaneously also can adsorbing and removing H 2S, H 2Impurity such as O.
Physical absorbents such as gac, molecular sieve, silica gel are differentiated to the adsorptive power of gaseous fraction, and its absorption is H in proper order 2O＞H 2S＞CO 2＞CH 4＞CO＞N 2＞H 2, but H 2S can make sorbent material poison, so will digester 8 be set in the front of absorption regeneration jar 9, hydrogen sulfide is removed in advance.
The utility model adopts PSA pressure swing adsorption (Pressure Swing Adsorption, be called for short PSA), it is a physical process that is similar to isothermal change, PSA utilizes gaseous media the adsorptive capacity of different components on sorbent material to be the characteristic of otherness with pressure change, under the condition that sorbent material is selected, components such as the carbonic acid gas of absorption raw material and water during pressurization, the component of difficult absorption such as hydrogen, nitrogen, carbon monoxide, methane etc. are discharged by the gas outlet 902 of absorption regeneration jar 9 as purified gas.Sorbent material removes the carbonic acid gas and the water of absorption during decompression, and sorbent material obtains regeneration.
Longer because of adsorption cycle than the regeneration period,, simultaneously an absorption regeneration jar 9 is regenerated the purpose that reaches continuous processing unstripped gas and carry purified gas so can allow three absorption regeneration jars 9 adsorb.To satisfy the continuous production requirement.
Can switch absorption and regenerative process by valve 37, valve 38, valve 39, valve 40.During absorption, open valve 39, valve 40, valve-off 37, valve 38, the fuel gas inlet 901 of absorption regeneration jar 9 and gas outlet 902 are communicated with up pipeline 31 and descending pipeline 32 respectively.At this moment compressed gas is from top to bottom by absorption regeneration jar 9, under the operating pressure of 0.1～1.4MPa, carbonic acid gas, moisture is adsorbed by molecular sieve, and hydrogen, nitrogen, carbon monoxide, methane etc. are then discharged from the gas outlet 902 of absorption regeneration jar 9 as purified gas, become the inflammable gas that reaches the requirement of GB heating value of natural gas, through descending pipeline 32, enter by the third stage import 705 of gas compressor 7 in the third stage of gas compressor 7 and continue pressurization, be pressurized to 4MPa, through third stage outlet 706, pipeline 33 enters in No. three tubular heat exchanges 13 and cools, then from fuel gas transportation pipeline 34 outputs, can be through piping, modes such as vehicle-mounted transportation are transported to industry, civilian, all types of user such as gas combustion automobile are used for the user.
After absorption is saturated, to absorption regeneration jar 9 regeneration of reducing pressure.So-called regeneration is that absorption regeneration jar 9 internal gas are drained into atmosphere, thereby makes pressure be reduced to normal pressure rapidly, according to the transformation absorption principle, by such process the gas that is adsorbed is discharged in molecular sieve.Its concrete operations are:
Valve-off 39, valve 40, valve 45 are opened valve 37, valve 43, and the fuel gas inlet 901 of absorption regeneration jar 9 is communicated with bypass pipe 35, because of bypass pipe 35 is communicated with exhaust pipe 10, promptly be communicated with atmosphere, after the decompression, sorbent material 903 can discharge the CO of most of absorption 2Gas, moisture, drain by exhaust pipe 10, after pressure decline reaches processing requirement, open valve 38, valve 45 again, valve-off 43, the gas outlet 902 of absorption regeneration jar 9 is communicated with return line 36, being about to a part of pure methane gas feeds back in the absorption regeneration jar 9 by return line 36, at this moment gas enters absorption regeneration jar 9 from the bottom to top, make sorbent material thoroughly remove foreign gases such as moisture, finish regeneration, the waste gas that contains methane gas then enters into the first step import 701 of gas compressor 7 from feedback pipe 44, turns back to the main flow of compression.
Water coolant in the water tank 18 is pumped in the cold water transport pipe 14 by recycle pump 16, be transported to each tubular heat exchange water-in through cold water transport pipe 14, with the heat exchange of combustion gas counter current contact, hot water is by the water outlet output of each tubular heat exchange, import in the delivery pipeline 15, the hot water inlet 303 through over-heat-exchanger enters in the heat exchanger 309 again, is fermentor tank 3 heating, return in the water tank 18 through water shoot 17 then, form circulation.

Claims (1)

1. one kind is utilized renewable biomass to produce methane integrated technique device, comprise charging machine, feed pot, fermentor tank, preposition decontaminating separator, rearmounted decontaminating separator, combustion gas storage cabinet, gas compressor, a tubular heat exchange, No. two tubular heat exchanges, No. three tubular heat exchanges, digester, absorption regeneration jar group, it is characterized in that: the outlet of described charging machine is communicated with the material inlet of feed pot through piping, the material outlet of feed pot is communicated with the material inlet of fermentor tank through piping, the gas outlet of fermentor tank is communicated with the fuel gas inlet of preposition decontaminating separator through piping, and the gas outlet of preposition decontaminating separator is communicated with through the fuel gas inlet of piping with combustion gas storage cabinet; The gas outlet of combustion gas storage cabinet is communicated with the fuel gas inlet of rearmounted decontaminating separator through piping, the gas outlet of rearmounted decontaminating separator is communicated with the first step import of gas compressor through piping, the first step outlet of gas compressor is communicated with the tube side import of a tubular heat exchange through piping, the tube side outlet of a tubular heat exchange is communicated with the second stage import of gas compressor through piping, the second stage outlet of gas compressor is communicated with the tube side import of No. two tubular heat exchanges through piping, the tube side outlet of No. two tubular heat exchanges is communicated with the fuel gas inlet of digester through piping, the gas outlet of digester is communicated with up pipeline, the third stage import of gas compressor is communicated with descending pipeline, described absorption regeneration jar group is made of a plurality of absorption regeneration jars, these absorption regeneration jars all are connected across between up pipeline and the descending pipeline, the fuel gas inlet of each absorption regeneration jar is communicated with up pipeline by up airway, the gas outlet of each absorption regeneration jar is communicated with descending pipeline by descending airway, the fuel gas inlet of each absorption regeneration jar also links to each other with exhaust pipe through bypass pipe, the gas outlet of each absorption regeneration jar also is communicated with descending pipeline through return line, described bypass pipe also is communicated with the first step import of gas compressor through the feedback pipe, described up airway, descending airway, bypass pipe, return line, the feedback pipe, valve all is housed on the exhaust pipe, the third stage outlet of gas compressor is communicated with the tube side import of No. three tubular heat exchanges through piping, the tube side outlet of No. three tubular heat exchanges is communicated with fuel gas transportation pipeline, No. one, No. two, the shell side import of No. three tubular heat exchanges all is communicated with the cold water transport pipe, No. one, No. two, the shell side outlet of No. three tubular heat exchanges all is communicated with the delivery pipeline, bottom at fermentor tank is provided with heat exchanger, the water-in of this heat exchanger is communicated with the delivery pipeline, the water outlet of this heat exchanger is communicated with water tank through water shoot, water tank is communicated with the cold water transport pipe, and the cold water transport pipe is provided with recycle pump.
CN200920159700XU 2009-06-12 2009-06-12 Integrated processing device capable of preparing methane by utilizing renewable biomass Expired - Fee Related CN201473525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920159700XU CN201473525U (en) 2009-06-12 2009-06-12 Integrated processing device capable of preparing methane by utilizing renewable biomass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920159700XU CN201473525U (en) 2009-06-12 2009-06-12 Integrated processing device capable of preparing methane by utilizing renewable biomass

Publications (1)

Publication Number Publication Date
CN201473525U true CN201473525U (en) 2010-05-19

Family

ID=42409769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920159700XU Expired - Fee Related CN201473525U (en) 2009-06-12 2009-06-12 Integrated processing device capable of preparing methane by utilizing renewable biomass

Country Status (1)

Country Link
CN (1) CN201473525U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831334A (en) * 2010-06-21 2010-09-15 霸州市利华燃气储运有限公司 System for producing power fuel for agricultural machinery by adopting biogas methanation way
CN105713826A (en) * 2014-08-19 2016-06-29 姚小兵 Heating device with cavity
CN107828649A (en) * 2017-11-07 2018-03-23 武汉和信益科技有限公司 Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831334A (en) * 2010-06-21 2010-09-15 霸州市利华燃气储运有限公司 System for producing power fuel for agricultural machinery by adopting biogas methanation way
CN105713826A (en) * 2014-08-19 2016-06-29 姚小兵 Heating device with cavity
CN107828649A (en) * 2017-11-07 2018-03-23 武汉和信益科技有限公司 Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process
CN107828649B (en) * 2017-11-07 2024-04-09 武汉和信益科技有限公司 Large-scale full-mixing type anaerobic biogas fermentation tank thermal compensation system and process method thereof

Similar Documents

Publication Publication Date Title
Bharathiraja et al. Biohydrogen and Biogas–An overview on feedstocks and enhancement process
CN101805753B (en) Method of producing biogas through high-solid two-phase three-stage anaerobic digestion by using perishable organic wastes
CN202322831U (en) Methane and landfill gas utilization system
CN101560466B (en) Integrated methane dry fermentation device
CN100532531C (en) Device for co-producing hydrogen and methane by biomass and solid organic waste fermenting method
CN102173508B (en) Method for producing biogas for vehicles by utilizing high concentration organic wastewater and waste residues
CN201865755U (en) Biogas power generation system
CN101760481A (en) Method for producing hydrogen and/or methane through fermentation of fiber wastes and device thereof
CN102242059A (en) Device and method for preparing automobile fuel gas by utilizing organic wastes
CN102491613B (en) System for combined supply of electricity, thermal fertilizer and cold fertilizer through generation of hydrogen and biogas via anaerobic digestion of biomasses
CN111635797A (en) Biogas production and carbon dioxide recovery device and recovery process thereof
CN114824387B (en) Combined heat and power system and method for agriculture and forestry waste coupled fuel cell
CN106754294A (en) A kind of apparatus and method of vinegar grain solid-liquid split-phase anaerobic digestion methane production
CN100532565C (en) Method for co-producing hydrogen and methane by biomass and solid organic waste fermenting method
CN201473525U (en) Integrated processing device capable of preparing methane by utilizing renewable biomass
CN101724479A (en) Method for pressure swing adsorption and concentration of methane
CN101570729B (en) Integrated process unit for producing methane by utilizing renewable biomass
Jiao Waste to biohydrogen: potential and feasibility
CN102643693B (en) The technique that a kind of utilization biogas and the double gas combined production devices of Straw Gas produce biological flue gas
CN103589755A (en) Technology for methane power generation
CN201006869Y (en) Inclined slope tube-type device for producing gas using ecological waste material
CN202786230U (en) System for treating organic waste
CN101831334B (en) System for producing power fuel for agricultural machinery by adopting biogas methanation way
CN101104824A (en) Method and device for producing synthetic natural gas from organic waste water
KR101181834B1 (en) Pre-thermal treatment of microalgae and high temperature and high efficiency hydrogen/methane fermentation process using waste heat of power-plant effluent gas

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Langfang City, Hebei Province, Bazhou City, 065799 State Road 112 South Railway West Gu Zhuang

Patentee after: Lihua energy storage and transportation Limited by Share Ltd

Address before: 065700, Hebei, Bazhou Yi Jin North Road, one North China Lihua Corporation

Patentee before: Bazhou Lihua Gas Storage and Transportation Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100519

Termination date: 20180612