CN208327868U - A kind of system that cow dung prepares soil conditioner - Google Patents
A kind of system that cow dung prepares soil conditioner Download PDFInfo
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- CN208327868U CN208327868U CN201820660682.2U CN201820660682U CN208327868U CN 208327868 U CN208327868 U CN 208327868U CN 201820660682 U CN201820660682 U CN 201820660682U CN 208327868 U CN208327868 U CN 208327868U
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- 210000003608 fece Anatomy 0.000 title claims abstract description 68
- 239000003516 soil conditioner Substances 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 57
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000855 fermentation Methods 0.000 claims abstract description 41
- 230000004151 fermentation Effects 0.000 claims abstract description 41
- 239000002028 Biomass Substances 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 39
- 210000002700 urine Anatomy 0.000 claims abstract description 33
- 238000002360 preparation method Methods 0.000 claims abstract description 29
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000007790 solid phase Substances 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 22
- 239000007791 liquid phase Substances 0.000 claims description 21
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 241000894006 Bacteria Species 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 10
- 239000010871 livestock manure Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 abstract description 22
- 235000019441 ethanol Nutrition 0.000 abstract description 17
- 229920002678 cellulose Polymers 0.000 abstract description 12
- 239000001913 cellulose Substances 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 10
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 7
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 2
- 230000035558 fertility Effects 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 241000283690 Bos taurus Species 0.000 description 49
- 238000000354 decomposition reaction Methods 0.000 description 16
- 239000000843 powder Substances 0.000 description 16
- 150000002772 monosaccharides Chemical class 0.000 description 12
- 235000010980 cellulose Nutrition 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 6
- 238000010828 elution Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- -1 Hydroxyl ethyl Chemical group 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 108010077051 polycysteine Proteins 0.000 description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000002361 compost Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 2
- 241000235342 Saccharomycetes Species 0.000 description 2
- 235000019764 Soybean Meal Nutrition 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 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
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920001542 oligosaccharide Polymers 0.000 description 2
- 150000002482 oligosaccharides Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004455 soybean meal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000010165 autogamy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000012262 fermentative production Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000004767 rumen Anatomy 0.000 description 1
- 239000002881 soil fertilizer Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Fertilizers (AREA)
Abstract
The utility model provides a kind of system that cow dung prepares soil conditioner, including divides urine unit, decomposing and fermenting unit, biomass carbon preparation unit, separation of ethanol unit, hydro-thermal reaction unit, matches fertile pond and modifying agent preparation unit；Divide urine unit to be used to collect cow dung and realizes the storage of the separation of urine excrement with ox urine；Decomposing and fermenting unit is used for cellulose degradation and alcohol fermentation to cow dung；Biomass carbon preparation unit is used to for the cow dung residue after decomposing and fermenting being carbonized and crush；Ethyl alcohol is separated residue from cow dung decomposing and fermenting liquid and carries out hydrothermal carbonization by hydro-thermal reaction unit by separation of ethanol unit；It is used to that additive be uniformly mixed to obtain with hydro-thermal reaction liquid modified liquid fertilizer with fertile pond；Modifying agent preparation unit is used to modified liquid fertilizer and biomass carbon combination drying obtaining soil conditioner.By this system, cow dung can be prepared into the soil conditioner with enriching heavy metal ion function, and soil fertility can be adjusted in a certain range.
Description
Technical field
The utility model belongs to Recycle Agriculture Technology field, is related to a kind of system that cow dung prepares soil conditioner.
Background technique
Vaccary, especially industrialized vaccary can generate a large amount of cow dung, not only contain in cow dung and do not disappear largely
Change complete feed, but also meeting spontaneous fermentation generates the gases such as methane and sulfur dioxide, in order to avoid environmental pollution and raising
Resource utilization is typically now recycled cow dung.Conventional recycling approach includes compost, fermentation production natural pond and makes
Standby liquid fertilizer prepares feed.However, compost is relatively low to the utilization rate of cow dung, the period is long；Feed is prepared to want the processing of cow dung
It asks high, and generates other wastes, therefore most effectively Land use systems are that fermentation produces natural pond and prepares liquid fertilizer.However, fermentation produces natural pond
And when preparing liquid fertilizer, the utilization rate of the cripple of generation is not high, and many processing systems are in processing by cripple directly as fertilizer
Material carries out compost treatment, does not make full use of the organic matter in cripple.And in existing application method, it is substantially ox
Excrement is as the energy or fertilizer utilization.
Summary of the invention
The purpose of this utility model is to provide the systems that a kind of cow dung prepares soil conditioner, to be prepared using cow dung
Efficient soil conditioner.
The utility model is achieved by the following technical solution:
A kind of system that cow dung prepares soil conditioner, including point urine unit, decomposing and fermenting unit, biomass carbon preparation list
Member, separation of ethanol unit, hydro-thermal reaction unit match fertile pond and modifying agent preparation unit, wherein
Dividing urine unit includes manure pit, urea removal pond and urine storage pond, and manure pit passes through transmission band connection urea removal pond feeding inlet, filter
The feeding inlet in the liquid-phase outlet connection urine storage pond of urinal；The discharge port connection in urine storage pond is with the feeding inlet in fertile pond；
Decomposing and fermenting unit includes decomposing pool, solid-liquid separator and fermentation vat, and the feed inlet of decomposing pool connects urea removal pond
Solid-phase outlet, the feeding inlet of the discharge port connection solid-liquid separator of decomposing pool, the liquid-phase outlet of solid-liquid separator connect fermentation vat
Feeding inlet；
Biomass carbon preparation unit includes solids dryer, anaerobic calcining compartment and grinder, the feeding inlet of solids dryer
Connect the solid-phase outlet of solid-liquid separator, the feeding inlet of the discharge port connection anaerobic calcining compartment of solids dryer, anaerobic calcining compartment
Discharge port connect grinder feeding inlet；
Separation of ethanol unit includes destilling tower and ethanol storage tank, and the discharge port of the feeding inlet connection fermentation vat of destilling tower steams
Evaporate the fraction outlets connection ethanol storage tank of tower；
Hydro-thermal reaction unit includes hydrothermal reactor, the raffinate outlet of the feeding inlet connection destilling tower of hydrothermal reactor；
The discharge port connection of hydrothermal reactor is with the feeding inlet in fertile pond；
Modifying agent preparation unit includes mixer and modifying agent drier, liquid phase entrance connection the going out with fertile pond of mixer
Material mouth, the discharge port of the solid phase entrance connection grinder of mixer；The discharge port of mixer connects modifying agent drier.
Preferably, the decomposing and fermenting unit includes the first decomposing and fermenting unit and the second decomposing and fermenting unit；
First decomposing and fermenting unit includes the first decomposing pool, the first solid-liquid separator and the first fermentation vat, the first decomposing pool
Feed inlet connection urea removal pond solid-phase outlet, the discharge port of the first decomposing pool connects the feeding inlet of the first solid-liquid separator, the
The liquid-phase outlet of one solid-liquid separator connects the feeding inlet of the first fermentation vat；The discharge port connection destilling tower of first fermentation vat enters
Material mouth；
Second decomposing and fermenting unit includes the second decomposing pool, the second solid-liquid separator and the second fermentation vat, the second decomposing pool
Feed inlet connect the solid-phase outlet of the first solid-liquid separator, the discharge port of the second decomposing pool connects entering for the second solid-liquid separator
Material mouth, the liquid-phase outlet of the second solid-liquid separator connect the feeding inlet of the second fermentation vat；The discharge port of second fermentation vat, which connects, to be steamed
Evaporate the feeding inlet of tower；The feeding inlet of the solid-phase outlet connection solids dryer of second solid-liquid separator.
Preferably, decomposing and fermenting unit further includes bacterium sample pond, and the feed inlet in bacterium sample pond and the sample tap of the first decomposing pool connect
It connects, the discharge port in bacterium sample pond is connected respectively at the feeding inlet of the first decomposing pool with the feeding inlet of the second decomposing pool.
Preferably, the hydro-thermal reaction unit further includes the first concentration basin, and the raffinate outlet connection first of destilling tower is dense
The feeding inlet in contracting pond, the feeding inlet of the discharge port connection hydrothermal reactor of the first concentration basin.
Preferably, modifying agent preparation unit further includes the second concentration basin, and the feeding inlet connection of the second concentration basin is with fertile pond
Discharge port, the liquid phase entrance of the discharge port connection mixer of the second concentration basin.
Preferably, biomass carbon preparation unit further includes elution pond, elutes consolidating for the feeding inlet connection solid-liquid separator in pond
It mutually exports, elutes the dry feeding inlet of the solid-phase outlet connection solid in pond, the liquid-phase outlet for eluting pond connects the first concentration basin
Feeding inlet.
Compared to the prior art, the beneficial effect that the utility model obtains is:
The system that cow dung provided by the utility model prepares soil conditioner comprising point urine unit, decomposing and fermenting unit,
Biomass carbon preparation unit, hydro-thermal reaction unit, matches fertile pond and modifying agent preparation unit at separation of ethanol unit.Wherein, divide urine single
Member collects cow dung and separates cow dung and ox urine；Decomposing and fermenting unit to the cellulose in cow dung by cellulose decomposition flora into
Row decomposes, and is specifically included in decomposing pool and a large amount of celluloses etc. in cow dung are decomposed into small point by cellulose decomposition flora
Sub- polysaccharide or monosaccharide reach the purpose in aspect of material disintegration cow dung；Cow dung mixture after decomposition passes through solid-liquid separator point
From rear, saccharomycetes to make fermentation is carried out rich in the part of monosaccharide and micromolecular polysaccharide, generating ethyl alcohol simultaneously reduces contents of monosaccharides, improves organic
Species improve content of the inorganic nutrients component relative to organic component.Ox in biomass carbon preparation unit, after decomposing and fermenting
Non-oxygen pyrolytic is carried out after excrement solid residue is dry, prepares biomass carbon；Separation of ethanol unit is used for separating alcohol, avoids ethyl alcohol
Influence and acquisition ethyl alcohol byproduct to hydro-thermal reaction.In hydro-thermal reaction unit, the reaction solution after yeast fermentation carries out hydro-thermal
Reaction is generated with lower biodegradation rate simultaneously again with the high polymer of a large amount of polar groups；Then, hydro-thermal reaction produces
After object and fertilizer, specific high polymer powder mix in fertile pond, mix into modifying agent preparation unit and with biomass carbon,
Soil conditioner is obtained after drying.In this way, can be prepared into cow dung has good effect by system provided by the utility model
The soil conditioner of power.Prepared soil conditioner not only has the adjusting gas permeability of soil, permeable of conventional biomass carbon
The effects of property, and can be with enriching heavy metal ion, and soil fertility can be adjusted in a certain range.
Detailed description of the invention
Fig. 1 is the system that cow dung provided by the utility model prepares soil conditioner.
Wherein, 1 is manure pit；2 be urea removal pond；3 be the first decomposing pool；4 be the first solid-liquid separator；5 be the second decomposition
Pond；6 be the second solid-liquid separator；7 be elution pond；8 be solids dryer；9 be anaerobic calcining compartment；10 be grinder；11 be storage
Urinal；12 be the first fermentation vat；13 be the second fermentation vat；14 be ethanol storage tank；15 be destilling tower；16 be the first concentration basin；17
It is hydrothermal reactor；18 be with fertile pond；19 be the second concentration basin；20 be mixer；21 be modifying agent drier；22 be bacterium sample
Pond.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
The utility model provides the method and system that a kind of cow dung prepares soil conditioner.The system includes that point urine is single
Member, decomposing and fermenting unit, biomass carbon preparation unit, separation of ethanol unit, hydro-thermal reaction unit match fertile pond 18 and modifying agent system
Standby unit, wherein
Dividing urine unit includes manure pit 1, urea removal pond 2 and urine storage pond 11, and manure pit 1 is entered by transmitting band connection urea removal pond 2
Material mouth, the feeding inlet in the liquid-phase outlet connection urine storage pond 11 in urea removal pond 2；The discharge port connection in urine storage pond 11 is with the pan feeding in fertile pond 18
Mouthful；In this way, filtering out the most of urine mixed in cow dung before cow dung is decomposed and fermented, avoiding the presence of urine
The failure for causing cow dung to be decomposed.
Decomposing and fermenting unit includes decomposing pool, solid-liquid separator and fermentation vat, and the feed inlet of decomposing pool connects urea removal pond 2
Solid-phase outlet, the feeding inlet of the discharge port connection solid-liquid separator of decomposing pool, the liquid-phase outlet of solid-liquid separator connect fermentation vat
Feeding inlet.The utility model is arranged by system separates the fermentation of the cellulose decomposition of cow dung and monosaccharide or oligosaccharide, keeps away
The ethyl alcohol for exempting to generate when monosaccharide fermentation inhibits the vigor of cellulose-decomposing bacterium, guarantees the decomposition efficiency of cellulose-decomposing bacterium.
Biomass carbon preparation unit includes solids dryer 8, anaerobic calcining compartment 9 and grinder 10, and solids dryer 8 enters
Material mouth connects the solid-phase outlet of solid-liquid separator, the feeding inlet of the discharge port connection anaerobic calcining compartment 9 of solids dryer 8, anaerobic
The discharge port of calcining compartment 9 connects 10 feeding inlet of grinder.Remaining solid material after decomposing and fermenting, in anaerobic item after being dried
It is carbonized under part, prepares the biomass carbon with large specific surface area；Biomass carbon is used as the main carriers of soil conditioner, this
Body can improve the gas permeability and performance of keeping humidity of soil.
Separation of ethanol unit includes destilling tower 15 and ethanol storage tank 14, the discharging of the feeding inlet connection fermentation vat of destilling tower 15
Mouthful, the fraction outlets of destilling tower 15 connect ethanol storage tank 14.The ethyl alcohol of recycling can be used as industrial alcohol application.
Hydro-thermal reaction unit includes hydrothermal reactor 17, the residue of the feeding inlet connection destilling tower 15 of hydrothermal reactor 17
Outlet；The discharge port connection of hydrothermal reactor 17 is with the feeding inlet in fertile pond 18.In hydro-thermal reaction, monosaccharide, oligosaccharide and other
The material being dissolved in water decomposes under high temperature hydrothermal condition, polymerize to become and has compared with small particle, is difficult to by fast decoupled, has
The microballoon or aggregate of high specific surface area and polar surfaces, itself is being not carbohydrate, but between each fractionated molecule unit
It is covalently keyed by carbon carbon, there is splendid adsorptivity and lower degradation rate.
Product after hydro-thermal reaction enters with fertile pond 18, and ox urine, sodium humate, polyacrylic acid is added in fertile pond 18
Hydroxyl ethyl ester powder, fumaric acid-propene sulfonic acid copolymer powder and poly- cysteine acrylic ester powder etc., after mixing, as
With better nutritivity component and heavy metal ion.
Modifying agent preparation unit includes mixer 20 and modifying agent drier 21, and the liquid phase entrance connection of mixer 20 is with fertilizer
The discharge port in pond 18, the discharge port of the solid phase entrance connection grinder 10 of mixer 20；The discharge port of mixer 20 connects improvement
Agent drier 21.Modifying agent preparation unit finally by the biomass carbon of cow dung preparation and is carried out the liquid fertilizer in autogamy fertilizer pond 18 and is mixed
It closes, the nutritional ingredient and high polymer in liquid fertilizer are adsorbed in the hole inside biomass carbon, and during drying
High polymer powder partial melting simultaneously changes crystal form, and realization agrees with biomass carbon internal void.In this way, the soil being prepared into changes
Good dose, using biomass carbon as skeleton, inside, which has, well agrees with biomass carbon, stablizes fixed and not degradable polyphosphazene polymer
Close object granule；After the soil conditioner is administered in soil, the moisture in soil can penetrate into inside biomass carbon, institute in moisture
The heavy metal ion having can be chelated with part high molecular polymer and be fixed in the soil；It is recycled in the disengaging of moisture
In, heavy metal ion is gradually enriched in biomass carbon, is reduced the content of the soluble heavy metal ion in soil, has been reached and changed
The purpose of good soil.Moreover, the these types of high molecular material filled in the hole of biomass carbon has good water penetration
And high molecular material can only occupy part hole, therefore, fertilizer etc. is slow compared with moisture through the speed of biomass carbon, the modifying agent
Have the effect of caching fertilizer, certain density fertilizer will be cached and gradually discharged when extraneous concentration of fertilizer is remarkably decreased,
Fertilizer is adsorbed and stored when extraneous concentration of fertilizer is excessive.For this purpose, in order to avoid after applying the soil conditioner in soil
Fertilizer is largely adsorbed onto biomass carbon, and fertilizer is being added in biomass carbon in advance when preparing soil conditioner.
Wherein, in a kind of feasible scheme, as shown in Figure 1, the decomposing and fermenting unit includes the first decomposing and fermenting list
Member and the second decomposing and fermenting unit；First decomposing and fermenting unit includes the first decomposing pool 3, the first solid-liquid separator 4 and the first hair
Ferment pond 12, the solid-phase outlet in the feed inlet connection urea removal pond 2 of the first decomposing pool 3, the discharge port connection first of the first decomposing pool 3 are solid
The feeding inlet of liquid/gas separator 4, the liquid-phase outlet of the first solid-liquid separator 4 connect the feeding inlet of the first fermentation vat 12；First fermentation
The feeding inlet of the discharge port connection destilling tower 15 in pond 12；Second decomposing and fermenting unit is separated by solid-liquid separation including the second decomposing pool 5, second
Device 6 and the second fermentation vat 13, the feed inlet of the second decomposing pool 5 connect the solid-phase outlet of the first solid-liquid separator 4, the second decomposing pool
5 discharge port connects the feeding inlet of the second solid-liquid separator 6, and the liquid-phase outlet of the second solid-liquid separator 6 connects the second fermentation vat
13 feeding inlet；The feeding inlet of the discharge port connection destilling tower 15 of second fermentation vat 13；The solid-phase outlet of second solid-liquid separator 6
Connect the feeding inlet of solids dryer 8.In this way, cow dung is when carrying out decomposing and fermenting, since the monosaccharide of generation cannot consume in time
And inhibit continuing for decomposing and fermenting, therefore by the way of decomposing and fermenting twice, the fiber in cow dung can be increased as far as possible
The degradation amount of element.Degraded cellulose is needed, is on the one hand to consume in cow dung not digesting complete feed etc. in degradation process, subtracts
The nitrogen content of small material when finally preparing biomass carbon；On the other hand, the hydro-thermal reaction of monosaccharide particle generated has good
The effect of good absorption heavy metal and fertilizer, significantly different with biomass carbon, the two, which needs to cooperate, can just reach to a huge sum of money
Belong to the maximum fixed and enrichment of ion.Therefore, it is necessary to bring monosaccharide is decomposed using by cow dung, and cow dung decomposes hair
The amount of ferment bring monosaccharide is excessive, will lead to the unreasonable of biomass carbon and monosaccharide hydrothermal carbonization ratio, therefore, the utility model
Using carbohydrate and alcohols in the scheme consumption monosaccharide and abundant decomposition hydro-thermal reaction for carrying out fermentative production of ethanol to decomposing and fermenting liquid
Substance classes, to form complicated and polyhydroxy/carboxyl high polymer.
Wherein, as a kind of feasible scheme, decomposing and fermenting unit further includes bacterium sample pond 22, the feed inlet in bacterium sample pond 22 with
The sample tap of first decomposing pool 3 connects, the feeding inlet and the second decomposing pool of the discharge port in bacterium sample pond 22 respectively at the first decomposing pool 3
5 feeding inlet connection.In this way, the stability of reaction can be kept to avoid cellulose decomposition flora is reselected every time.
Wherein, as a kind of feasible scheme, the hydro-thermal reaction unit further includes the first concentration basin 16, destilling tower 15
Raffinate outlet connects the feeding inlet of the first concentration basin 16, the pan feeding of the discharge port connection hydrothermal reactor 17 of the first concentration basin 16
Mouthful；Modifying agent preparation unit further includes the second concentration basin 19, and the discharge port in fertile pond 18 is matched in the feeding inlet connection of the second concentration basin 19,
The liquid phase entrance of the discharge port connection mixer 20 of second concentration basin 19；Biomass carbon preparation unit further includes elution pond 7, elution
The solid-phase outlet of the feeding inlet connection solid-liquid separator in pond 7, the dry feeding inlet of the solid-phase outlet connection solid in elution pond 7, leaching
The liquid-phase outlet of wash pool 7 connects the feeding inlet of the first concentration basin 16.In this way, can reduce the volume and mixer 20 of hydro-thermal reaction
Volume, convenient for the preparation and drying of modifying agent.
Based on the utility model reaction system as disclosed above and principle, the utility model is further described the modifying agent
Preparation method, specifically include step:
1) it collects cow dung and isolates urine；
2) cow dung after separated urine carries out decomposing and fermenting by cellulose decomposition flora, obtains cow dung decomposition of the mixture；
Wherein, the parameter of decomposing and fermenting reaction system includes:
Cow dung, corn flour, Soybean Meal and cellulose decomposition flora mixture after separated urine is added to preset fermentation
In the oxygen free kettle of base fluid, 25 ~ 40 DEG C ferment 3 ~ 8 days；Wherein, the magnesium chloride of the fermentation base fluid including 0.1 ~ 0.3g/L,
The potassium sulfate of 0.2 ~ 0.3g/L, the calcium chloride of 0.05 ~ 0.1g/L, 0.3 ~ 0.5g/L ammonium nitrate；Cow dung after separated urine exists
The amount of fermentation base fluid is 50 ~ 100g/L, and the weight of corn flour is 10% ~ 15% of the cow dung after separated urine, the weight of Soybean Meal
It is 3% ~ 10% of the cow dung after separated urine.
3) cow dung decomposition of the mixture is separated by solid-liquid separation, and respectively obtains cow dung solid residue and cow dung decomposed solution；
4) Non-oxygen pyrolytic is carried out after cow dung solid residue is dry, prepares biomass carbon；
Cow dung decomposed solution is fermented by saccharomycete (using conventional method), and cattle manure liquid is obtained；Cattle manure liquid
After ethyl alcohol is distilled off, hydro-thermal reaction is carried out, hydro-thermal reaction liquid is obtained；The urine of step 1) separation is added into hydro-thermal reaction liquid
Liquid, sodium humate, hydroxyethyl acrylate powder, fumaric acid-propene sulfonic acid copolymer powder and poly- cysteine acrylic ester powder
End obtains modified liquid fertilizer after mixing concentration；
Wherein, according to quality meter, sodium humate is the 1% ~ 3% of biomass carbon；Hydroxyethyl acrylate powder and Fu Ma
Acid-propene sulfonic acid copolymer powder adds up to the 1% ~ 3% of biomass carbon；Poly- cysteine acrylic ester powder is biomass carbon
2%~5%；Biomass carbon is the 45% ~ 60% of the dry weight of the cow dung in step 1) after separated urine；Wherein, hydroxyethyl acrylate powder
The partial size at end is less than 10 microns, and fumaric acid-propene sulfonic acid copolymer powder partial size is less than 30 wechats, poly- cysteine propylene
The partial size of ester powder is less than 10 microns.The lesser partial size of high polymer powder enters the hole of biomass carbon not only for it, and
It and is that its surface is easier that micro- molten and softening occurs under drying condition for it.
5) soil conditioner is obtained after being mixed and dried modified liquid fertilizer and biomass carbon.
Wherein, the cellulose decomposition flora is the flora obtained from bovine rumen or sheep cud.In addition to this, it is being walked
It is rapid 3) before, 5% ~ 10% cow dung decomposition of the mixture can also be retained, the cow dung decomposition of the mixture of reservation is for next batch point
In hydrolysis and fermentation reaction, the cellulose decomposition flora source as reaction system.
Wherein, in step 3), isolated cow dung solid residue carries out secondary point by step 2 the method
Solution.
Wherein, the reaction temperature of Non-oxygen pyrolytic reaction is 250 ~ 350 DEG C, and the reaction time is 3 ~ 4 hours, raw after Non-oxygen pyrolytic
Substance charcoal is ground into the powder that partial size is less than 3.5mm；The reaction time of hydro-thermal reaction is 150 ~ 160 DEG C and keeps the temperature 3 ~ 4 hours, heats up
2 ~ 4 hours are kept the temperature to 210 ~ 250 DEG C.The utility model uses ladder-elevating temperature hydro-thermal reaction method, both ensure that and is formed by water
Thermalization product is difficult to by biological fast degradation, and in turn ensuring has a large amount of hydroxyl and carboxyl isopolarity base on hydro-thermal product
Group.
Claims (6)
1. the system that a kind of cow dung prepares soil conditioner, which is characterized in that including point urine a unit, decomposing and fermenting unit, biology
Matter charcoal preparation unit, hydro-thermal reaction unit, matches fertile pond and modifying agent preparation unit at separation of ethanol unit, wherein
Dividing urine unit includes manure pit, urea removal pond and urine storage pond, and manure pit passes through transmission band connection urea removal pond feeding inlet, urea removal pond
Liquid-phase outlet connection urine storage pond feeding inlet；The discharge port connection in urine storage pond is with the feeding inlet in fertile pond；
Decomposing and fermenting unit includes decomposing pool, solid-liquid separator and fermentation vat, the solid phase in the feed inlet connection urea removal pond of decomposing pool
Outlet, the feeding inlet of the discharge port connection solid-liquid separator of decomposing pool, the liquid-phase outlet connection fermentation vat of solid-liquid separator enter
Material mouth；
Biomass carbon preparation unit includes solids dryer, anaerobic calcining compartment and grinder, the feeding inlet connection of solids dryer
The solid-phase outlet of solid-liquid separator, the feeding inlet of the discharge port connection anaerobic calcining compartment of solids dryer, anaerobic calcining compartment go out
Material mouth connects grinder feeding inlet；
Separation of ethanol unit includes destilling tower and ethanol storage tank, the discharge port of the feeding inlet connection fermentation vat of destilling tower, destilling tower
Fraction outlets connect ethanol storage tank；
Hydro-thermal reaction unit includes hydrothermal reactor, the raffinate outlet of the feeding inlet connection destilling tower of hydrothermal reactor；Hydro-thermal
The discharge port connection of reactor is with the feeding inlet in fertile pond；
Modifying agent preparation unit includes mixer and modifying agent drier, and the liquid phase entrance connection of mixer is with the discharging in fertile pond
Mouthful, the discharge port of the solid phase entrance connection grinder of mixer；The discharge port of mixer connects modifying agent drier.
2. the system that cow dung as described in claim 1 prepares soil conditioner, which is characterized in that the decomposing and fermenting unit packet
Include the first decomposing and fermenting unit and the second decomposing and fermenting unit；
First decomposing and fermenting unit include the first decomposing pool, the first solid-liquid separator and the first fermentation vat, the first decomposing pool into
Material mouth connects the solid-phase outlet in urea removal pond, and the discharge port of the first decomposing pool connects the feeding inlet of the first solid-liquid separator, and first is solid
The liquid-phase outlet of liquid/gas separator connects the feeding inlet of the first fermentation vat；The pan feeding of the discharge port connection destilling tower of first fermentation vat
Mouthful；
Second decomposing and fermenting unit include the second decomposing pool, the second solid-liquid separator and the second fermentation vat, the second decomposing pool into
Material mouth connects the solid-phase outlet of the first solid-liquid separator, and the discharge port of the second decomposing pool connects the pan feeding of the second solid-liquid separator
Mouthful, the liquid-phase outlet of the second solid-liquid separator connects the feeding inlet of the second fermentation vat；The discharge port of second fermentation vat connects distillation
The feeding inlet of tower；The feeding inlet of the solid-phase outlet connection solids dryer of second solid-liquid separator.
3. the system that cow dung as claimed in claim 2 prepares soil conditioner, which is characterized in that decomposing and fermenting unit further includes
The feed inlet in bacterium sample pond, bacterium sample pond is connect with the sample tap of the first decomposing pool, and the discharge port in bacterium sample pond is respectively at the first decomposing pool
Feeding inlet connected with the feeding inlet of the second decomposing pool.
4. the system that cow dung as described in claim 1 prepares soil conditioner, which is characterized in that the hydro-thermal reaction unit is also
Including the first concentration basin, the raffinate outlet of destilling tower connects the feeding inlet of the first concentration basin, and the discharge port of the first concentration basin connects
The feeding inlet of water receiving thermal reactor.
5. the system that cow dung as claimed in claim 4 prepares soil conditioner, which is characterized in that modifying agent preparation unit is also wrapped
The second concentration basin is included, with the discharge port in fertile pond, the discharge port of the second concentration basin connects mixing for the feeding inlet connection of the second concentration basin
The liquid phase entrance of device.
6. the system that cow dung as claimed in claim 4 prepares soil conditioner, which is characterized in that biomass carbon preparation unit is also
Including eluting pond, the solid-phase outlet of the feeding inlet connection solid-liquid separator in pond is eluted, the solid-phase outlet connection solid for eluting pond is dry
Dry feeding inlet, the liquid-phase outlet for eluting pond connect the feeding inlet of the first concentration basin.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111514855A (en) * | 2020-05-15 | 2020-08-11 | 齐鲁工业大学 | Preparation method of chromium ion adsorption material cow dung biochar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111514855A (en) * | 2020-05-15 | 2020-08-11 | 齐鲁工业大学 | Preparation method of chromium ion adsorption material cow dung biochar |
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