CN214361448U - Device for synchronously producing ethanol in livestock and poultry manure microalgae culture - Google Patents
Device for synchronously producing ethanol in livestock and poultry manure microalgae culture Download PDFInfo
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- CN214361448U CN214361448U CN202023307445.4U CN202023307445U CN214361448U CN 214361448 U CN214361448 U CN 214361448U CN 202023307445 U CN202023307445 U CN 202023307445U CN 214361448 U CN214361448 U CN 214361448U
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 244000144972 livestock Species 0.000 title claims abstract description 24
- 244000144977 poultry Species 0.000 title claims abstract description 21
- 239000010871 livestock manure Substances 0.000 title claims description 18
- 210000003608 fece Anatomy 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 238000000855 fermentation Methods 0.000 claims abstract description 62
- 230000004151 fermentation Effects 0.000 claims abstract description 61
- 241000195493 Cryptophyta Species 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 42
- 210000002700 urine Anatomy 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 230000029087 digestion Effects 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 9
- 241000271566 Aves Species 0.000 description 6
- 238000012258 culturing Methods 0.000 description 6
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 3
- 239000003895 organic fertilizer Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 108010059892 Cellulase Proteins 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 229940106157 cellulase Drugs 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Substances OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 108091005508 Acid proteases Proteins 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229940041514 candida albicans extract Drugs 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 229910052564 epsomite Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000009630 liquid culture Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012138 yeast extract Substances 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to a birds poultry excrement and urine resource utilizes technical field, especially, relate to a device of synchronous ethanol production of beasts and birds excrement and urine microalgal culture, reation kettle and fermentation kettle including the pipe connection, still be provided with first solid-liquid separator between reation kettle and the fermentation kettle, first solid-liquid separator's solid export intercommunication fermentation kettle, liquid outlet intercommunication has little algae reactor, little algae reactor's material export is provided with second solid-liquid separator, second solid-liquid separator's solid export and fermentation kettle are linked together, liquid outlet and little algae reactor are linked together, it has the gas holder still to communicate through the pipeline on the fermentation kettle, gas holder and little algae reactor are linked together. The utility model discloses a device of synchronous ethanol production of livestock and poultry excrement and urine microalgal culture all effectively utilizes fermentation gas, liquid, the solid that the fermentation produced, utilizes fermentation gas and liquid to cultivate little algae, carries out abundant digestion and utilizes to carbon, nitrogen, phosphorus etc. in the excrement and urine is dirty, and has solved the dirty waste water treatment difficult problem of excrement.
Description
Technical Field
The utility model relates to a birds poultry excrement and urine utilization technical field especially relates to a device of synchronous ethanol production of beasts and birds excrement and urine dirty little algae breed.
Background
With the continuous improvement of the living standard of people, the livestock breeding industry in China is developed vigorously, the quantity of excrement generated by livestock breeding increases year by year, and 41 hundred million tons of excrement generated by the livestock breeding industry in China is expected to be generated every year by 2020. If the resources are not well treated, the method not only causes serious environmental pollution, but also wastes resources greatly, and if the resources are properly treated, the resources become rich for reproduction.
At present, the treatment direction of livestock and poultry manure is single, the main treatment direction is anaerobic fermentation for producing biogas and bio-organic fertilizer, but a large amount of biogas slurry can be generated in the anaerobic fermentation process to cause secondary pollution, nitrogen, phosphorus and the like in the livestock and poultry manure are not effectively reduced due to the characteristics of anaerobic digestion, and the problem of environmental pollution can be solved by returning the organic fertilizer to the field. Therefore, the production of ethanol by using livestock and poultry manure gradually becomes a hot spot of livestock and poultry manure resource research. The popularization and application find that the livestock and poultry manure has low efficiency of producing ethanol by fermentation due to limited carbohydrate content, and the corn and wheat contain a large amount of carbohydrate and are beneficial to producing ethanol by fermentation, but the popularization and application of the corn and wheat are limited due to higher raw material cost, so that how to utilize the livestock and poultry manure to culture biomass with high carbohydrate content to replace renewable energy sources for ethanol fermentation is very important.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a device of synchronous ethanol production of dirty little algae cultivation of beasts and birds excrement is all effectively utilized to fermentation gas, liquid, the solid that the fermentation produced, utilizes fermentation gas and liquid to cultivate little algae, carries out abundant digestion and utilization to carbon, nitrogen, phosphorus etc. in the birds excrement is dirty, and has solved the dirty waste water treatment difficult problem of excrement.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
the utility model provides a device of synchronous ethanol production of livestock and poultry excrement and urine microalga breeding, includes pipe connection's reation kettle and fermentation kettle, still be provided with first solid-liquid separator between reation kettle and the fermentation kettle, the solid export intercommunication fermentation kettle of first solid-liquid separator, liquid outlet intercommunication have little algae reactor, little algae reactor's material export is provided with second solid-liquid separator, second solid-liquid separator's solid export and fermentation kettle are linked together, and liquid outlet and little algae reactor are linked together, it has the gas holder still to communicate through the pipeline on the fermentation kettle, gas holder and little algae reactor are linked together, fermentation kettle's material export is provided with third solid-liquid separator, the liquid outlet of third solid-liquid separator has stills through the pipeline intercommunication.
By adopting the device of the technical scheme, when the livestock manure is treated, the livestock manure is firstly fermented in a reaction kettle, fermentation gas generated in the fermentation process is collected into a gas storage tank, fermentation products obtained by primary fermentation are separated by a first solid-liquid separator, liquid enters a microalgae reactor, solid substances are separated by a second solid-liquid separator after the microalgae culture is completed by using the fermentation gas in the gas storage tank, a solid mixture separated by the first solid-liquid separator is mixed with the solid mixture and put into the fermentation kettle, fermented liquid is separated by a third solid-liquid separator, the fermented liquid is distilled by a distillation kettle to obtain ethanol, the distillation residual liquid can be returned to the microalgae reactor for recycling and can also be used for preparing pig feed, and meanwhile, the liquid separated by the second solid-liquid separator is returned to the microalgae reactor for recycling, the solid matters separated by the third solid-liquid separator are organic mixture residues which can be used as organic fertilizers to return to the field for utilization.
Further, the microalgae reactor comprises three tubular reactors and a mixing tank which are connected in series, the tubular reactors are connected end to form an S-shaped structure, a fluorescent light source is arranged at the center of each tubular reactor, a material inlet of each mixing tank is communicated with a liquid outlet of the first solid-liquid separator, a material outlet of each mixing tank is communicated with the second solid-liquid separator, and the gas storage tank is communicated with an inlet of the tubular reactor.
The microalgae reactor is formed by connecting three tubular reactors and a mixing tank in series, preferably, the inlet of the tubular reactor is arranged at the lower part, the outlet of the tubular reactor is arranged at the upper part, materials in the mixing tank flow through the inlet of the tubular reactor, fermentation gas in a mixing gas storage tank flows through the three tubular reactors, and finally flows back to the mixing tank through the outlet of the tubular reactor.
Further, be provided with little algae culture solution export on the lateral wall of mixing tank, little algae culture solution export is linked together with tubular reactor's entry, tubular reactor's export is provided with the outlet duct, the one end of outlet duct is located the mixing tank, and the tip is located under the liquid level.
Further, the distance between the microalgae culture solution outlet and the top of the mixing tank is 1/4.
Further, an immersion heater is arranged at the bottom of the mixing tank, and an air outlet is arranged at the top of the mixing tank. The immersion heater can ensure that the temperature of the materials in the mixing tank is maintained within the temperature suitable for microalgae culture.
Furthermore, a pipeline between the gas storage tank and the tubular reactor is also provided with a bacteria filter and a gas speed regulating valve. Can guarantee to a certain extent through strain fungus ware and get into little algae reactor's fermentation gas's cleanliness factor, prevent that miscellaneous fungus from influencing little algae and cultivateing, and can adjust the velocity of flow that fermentation gas got into little algae reactor through the gas velocity control valve.
The utility model has the advantages that:
1. the utility model discloses a device of synchronous ethanol production of livestock and poultry excrement and urine microalgal culture utilizes comprehensively gas, liquid, solid three-phase result that the reation kettle fermentation can produce, utilizes fermentation gas and liquid culture microalgal, carries out abundant digestion and utilizes to carbon, nitrogen, phosphorus etc. in the birds animal excrement is dirty, has not only reduced greenhouse gas (fermentation gas)'s emission, has realized the complete recycle of discarded object simultaneously, has solved the dirty waste water treatment difficult problem of excrement.
2. The utility model discloses a device of synchronous ethanol production of beasts and birds excrement and urine microalgal culture designs little algae reactor's structure for material and the enough longer contact of fermented gas in little algae reactor more are favorable to little algae cultivation.
Drawings
FIG. 1 is a schematic structural diagram of a device for synchronously producing ethanol by culturing livestock and poultry manure microalgae according to the present invention;
the device comprises a reaction kettle 1, a fermentation kettle 2, a gas phase outlet 21, a first solid-liquid separator 3, a tubular reactor 4, a mixing tank 5, an air outlet 51, a microalgae culture solution outlet 52, a fluorescent light source 6, an air outlet pipe 7, a second solid-liquid separator 8, a third solid-liquid separator 9, a distillation kettle 10, an air storage tank 11, a bacteria filter 12 and an air speed regulating valve 13.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in figure 1, the device for synchronously producing ethanol by culturing microalgae in excrement and urine of livestock comprises a reaction kettle 1 and a fermentation kettle 2 which are connected by a pipeline, a first solid-liquid separator 3 is further arranged between the reaction kettle 1 and the fermentation kettle 2, a material inlet of the first solid-liquid separator 3 is communicated with a material outlet of the reaction kettle 1, a solid outlet is communicated with the fermentation kettle 2, a liquid outlet is connected with a microalgae reactor, the microalgae reactor comprises three tubular reactors 4 and a mixing tank 5 which are connected in series, the three tubular reactors are connected end to form an S-shaped structure, a white fluorescent light source 6 is arranged in the center of the three tubular reactors 4, an immersion heater is arranged at the bottom of the mixing tank 5, an air outlet 51 is arranged at the top, a microalgae culture liquid outlet 52 is arranged on the side wall of the mixing tank 5, the distance between the microalgae culture liquid outlet 52 and the top of the mixing tank 5 is 1/4 with the height of the mixing tank 5, the inlet of the tubular reactor 4 is arranged at the lower part, the outlet is arranged at the upper part, the inlet is communicated with the microalgae culture solution outlet 52, the inlet is also communicated with an air pipeline, the outlet is communicated with an air outlet pipe 7, one end of the air outlet pipe 7 is arranged in the mixing tank 5, the end part is arranged below the liquid level, the material inlet of the mixing tank 5 is communicated with the liquid outlet of the first solid-liquid separator 3, the material outlet is communicated with the second solid-liquid separator 8, the solid outlet of the second solid-liquid separator 8 is communicated with the fermentation kettle 2, the liquid outlet is communicated with the mixing tank 5, the discharge port pipeline on the fermentation kettle 2 is connected with a third solid-liquid separator 9, the liquid outlet pipeline of the third solid-liquid separator 9 is communicated with the distillation kettle 10, wherein the reaction kettle 1 is also communicated with a gas storage tank 11, the gas outlet of the gas storage tank 11 is communicated with the inlet of the tubular reactor 4, the fermentation kettle 2 is also provided with a gas phase outlet 21, the gas phase outlet 21 is communicated with a gas storage tank, and a pipeline between the gas storage tank 11 and the tubular reactor 4 is provided with a bacteria filter 12 and a gas speed regulating valve 13.
The first solid-liquid separator 3, the second solid-liquid separator 8, and the third solid-liquid separator 9 may be a filter press, a membrane filter, or a centrifuge.
The device of the utility model is used for microalgae cultivation and methanol production synchronously by taking the feces of the livestock as raw materials, and the specific method is as follows:
primary fermentation: adding 600kg of livestock and poultry manure into a reaction kettle, adding 5kg of protease and 3kg of cellulase, uniformly mixing, heating the reaction kettle to 40 ℃, carrying out heat preservation and fermentation for 7d, collecting pre-fermentation gas generated in the fermentation process into a gas storage tank, after the fermentation is finished, conveying the fermented mixture to a first solid-liquid separator for solid-liquid separation to obtain 438kg of primary liquid and 159kg of solid waste residues.
Culturing: pumping the primary liquid into a mixing tank of a microalgae reactor, adding water for dilution to 3 times of the original volume, and adding Na2HPO4Citric acid buffer to adjust the pH to 7.2-7.5, while adding 0.5g (NH) per liter of primary liquid4)2HPO4、0.025g MgSO4·7H2O, 1.0g of yeast extract, regulating the growth environment of microalgae to obtain microalgae culture solution, inoculating microalgae into the microalgae culture solutionStarting a microalgae reactor, controlling the culture temperature to be 25-30 ℃, introducing air at the flow rate of 2.5L/min, intermittently introducing pre-fermentation gas (carbon dioxide) into a gas storage tank every 6h, wherein the ventilation rate is 5.0L/min, maintaining the pH value to be 7.2-7.5, and the ventilation time of the pre-fermentation gas is 50min, namely when culturing microalgae, conveying a microalgae culture solution to an inlet of a pipeline reactor from a mixing tank through a pump, conveying the microalgae culture solution mixed air and the pre-fermentation gas to the mixing tank from an outlet after flowing through three pipeline reactors from bottom to top, starting culturing the microalgae, co-culturing the microalgae for 23d, starting a fluorescent light source during the microalgae culture period, adopting a solar light source alternate use mode, circulating according to the light and shade of 12:12h, converting the white fluorescent light source to a solar light source for 8h after the white fluorescent light source is used for 4h, and irradiating the fluorescent light intensity to be 2000lux, after 15 days, the solution is lifted to 4000 lux;
and (3) secondary fermentation: and after the microalgae is cultured, collecting the microalgae from a mixing tank, separating by using a second solid-liquid separator, returning the separated liquid to the mixing tank, putting the remaining solid into a fermentation kettle, simultaneously adding solid waste residues, stirring and mixing uniformly, inoculating 32kg of mixed fermentation strains of escherichia coli and saccharomyces cerevisiae and brewing auxiliaries, wherein the brewing auxiliaries comprise 22kg of saccharifying enzyme, 16kg of acid protease and 12kg of cellulase, fermenting at the temperature of 40-60 ℃ for more than 24 hours at a constant temperature, fermenting to generate secondary fermentation gas, storing the secondary fermentation gas into a gas storage tank, performing solid-liquid separation on the secondary fermentation product obtained after the fermentation is completed by using a third solid-liquid separator, distilling the separated mash to obtain ethanol, and returning the solid serving as an organic fertilizer to the field.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. A device for synchronously producing ethanol in livestock and poultry manure microalgae culture is characterized in that: including pipeline connection's reation kettle and fermentation kettle, still be provided with first solid-liquid separator between reation kettle and the fermentation kettle, the solid export intercommunication fermentation kettle of first solid-liquid separator, liquid outlet intercommunication have little algae reactor, little algae reactor's material export is provided with second solid-liquid separator, the solid export and the fermentation kettle of second solid-liquid separator are linked together, and liquid outlet and little algae reactor are linked together, still there is the gas holder through the pipeline intercommunication on the fermentation kettle, gas holder and little algae reactor are linked together, fermentation kettle's material export is provided with third solid-liquid separator, third solid-liquid separator's liquid outlet has stills through the pipeline intercommunication.
2. The device for synchronously producing ethanol in livestock and poultry manure microalgae culture as claimed in claim 1, is characterized in that: the microalgae reactor comprises three tubular reactors and a mixing tank which are connected in series, wherein the tubular reactors are connected end to form an S-shaped structure, a fluorescent light source is arranged at the center of each tubular reactor, a material inlet of the mixing tank is communicated with a liquid outlet of the first solid-liquid separator, a material outlet of the mixing tank is communicated with the second solid-liquid separator, and an air storage tank is communicated with an inlet of the tubular reactor.
3. The device for synchronously producing ethanol in livestock and poultry manure microalgae culture as claimed in claim 2, is characterized in that: the side wall of the mixing tank is provided with a microalgae culture solution outlet which is communicated with the inlet of the tubular reactor, the outlet of the tubular reactor is provided with an air outlet pipe, one end of the air outlet pipe is positioned in the mixing tank, and the end part of the air outlet pipe is positioned below the liquid level.
4. The device for synchronously producing ethanol in livestock and poultry manure microalgae culture as claimed in claim 3, is characterized in that: the distance between the microalgae culture solution outlet and the top of the mixing tank is 1/4.
5. The device for synchronously producing ethanol in livestock and poultry manure microalgae culture as claimed in claim 4, is characterized in that: the bottom of the mixing tank is provided with an immersion heater, and the top of the mixing tank is provided with an air outlet.
6. The device for synchronously producing ethanol in livestock and poultry manure microalgae culture as claimed in claim 5, is characterized in that: and a bacteria filter and a gas speed regulating valve are also arranged on a pipeline between the gas storage tank and the tubular reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023307445.4U CN214361448U (en) | 2020-12-30 | 2020-12-30 | Device for synchronously producing ethanol in livestock and poultry manure microalgae culture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023307445.4U CN214361448U (en) | 2020-12-30 | 2020-12-30 | Device for synchronously producing ethanol in livestock and poultry manure microalgae culture |
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| Publication Number | Publication Date |
|---|---|
| CN214361448U true CN214361448U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023307445.4U Expired - Fee Related CN214361448U (en) | 2020-12-30 | 2020-12-30 | Device for synchronously producing ethanol in livestock and poultry manure microalgae culture |
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| Country | Link |
|---|---|
| CN (1) | CN214361448U (en) |
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2020
- 2020-12-30 CN CN202023307445.4U patent/CN214361448U/en not_active Expired - Fee Related
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