CN105330466A - Method for production of organic-inorganic mixed fertilizer from black liquor extracted from alkaline-process reed pulp pretreated with bio-enzyme - Google Patents
Method for production of organic-inorganic mixed fertilizer from black liquor extracted from alkaline-process reed pulp pretreated with bio-enzyme Download PDFInfo
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- CN105330466A CN105330466A CN201510625569.1A CN201510625569A CN105330466A CN 105330466 A CN105330466 A CN 105330466A CN 201510625569 A CN201510625569 A CN 201510625569A CN 105330466 A CN105330466 A CN 105330466A
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- black liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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Abstract
The invention discloses production of an organic-inorganic mixed fertilizer from black liquor extracted from an alkaline-process reed pulp pretreated with a bio-enzyme, and belongs to the field of fertilizer production. The method includes extraction of black liquor obtained after bio-enzyme pretreatment of reed, extraction of the black liquor of the alkaline-process reed pulp after pretreatment and production of the organic-inorganic mixed fertilizer, wherein the extraction of the black liquor obtained after bio-enzyme pretreatment of the reed includes wet-process material preparation, bio-enzyme pretreatment, reed extrusion treatment to produce the black liquor, and storage of the black liquor to a black liquor storage tank; the extraction of the black liquor of the alkaline-process reed pulp includes alkaline-process cooking of the pretreated reed, obtaining of black liquor after extrusion by a pulp extrusion machine, coarse pulp screening, series countercurrent washing of the coarse pulp with four pulp washing machines and black liquor extraction, and storage of the black liquor to the black liquor storage tank; the production of the organic-inorganic mixed fertilizer includes filtration of black liquor after being mixed in the black liquor storage tank by a black liquor filter, concentration with an evaporation station, treatment with a spray granulator, treatment with a hot cold screening system, and package of the organic-inorganic mixed fertilization finished product. The waste is turned into treasure, and the produced fertilizer is rich in biological bacterial agent and can promote plant disease resistance and high yielding.
Description
Technical field
The invention belongs to field of fertilizer production, particularly the method for organic-inorganic mixed fertilizer produced by a kind of black liquor extracted with the slurrying of biological enzyme pretreated alkaline process reed.
Background technology
Current paper mill generally uses pharmaceutical chemicals stripping, remove the reaction process of lignin carries out boiling, general chemical pulping, not only will use various pharmaceutical chemicals, and cost is high, energy consumption is large.And adopt bio-enzyme degradation lignin, carry out pre-treatment to reed, method is simple, and environmentally safe, becomes low molecule lignin by the lignin degradation of reed, add lignin stripping and by the ability of extracting, thus realize lignin and Mierocrystalline cellulose, being separated of hemicellulose.Pretreated reed recycling alkaline process is manufactured paper with pulp true qualities paper for daily use.Black liquor can be produced in employing biological enzyme preprocessing process, and after carrying out alkaline cooking after reed pre-treatment, wash the black liquor of generation, conventional is by these black liquor after black liquor filter filters, enter the evaporator section of alkali collection, burning zone, causticization section recovery alkali successively, whole alkali collection running cost is higher.At present, also do not find to adopt the black liquor extracted with the slurrying of biological enzyme pretreated alkaline process reed to produce the method for organic-inorganic mixed fertilizer.
Summary of the invention
The object of this invention is to provide a kind of method that organic-inorganic mixed fertilizer produced by black liquor extracted with the slurrying of biological enzyme pretreated alkaline process reed.The method is in the process using biological enzyme pretreated alkaline process production true qualities paper for daily use, after employing biological enzyme preconditioning technique, through the black liquor that simple helix pulp grinder is extruded, and the thin phenol water will produced after the thick plasm scouring of pretreated reed boiling gained.After the mixing of black liquor storagetank, after black liquor filter filters, deliver into the evaporation section of alkali collection together, carry out evaporation concentration through seven body quintuple effect evaporators of evaporator section and become concentrated black liquid.Then concentrated black liquid is gone out to have highly active organic-inorganic mixed fertilizer by spray granulation, hot cold screening system final production.
Object of the present invention realizes by following technical proposals: the method for organic-inorganic mixed fertilizer produced by a kind of black liquor extracted with the slurrying of biological enzyme pretreated alkaline process reed.The method comprises the extraction of alkaline process reed pulp black liquor and the production of organic-inorganic mixed fertilizer after the extraction of black liquor after biological enzyme Reed Pretreated, pre-treatment.Wherein, after biological enzyme Reed Pretreated, the extraction of black liquor comprises: wet feed preparation, biological enzyme pre-treatment, reed extrusion process produce black liquor, black liquor to black liquor storagetank; The extraction of alkaline process reed pulp black liquor comprises: the black liquor after pre-treatment after the alkaline cooking of reed, pulp-extruding machine extruding, the choosing of thick pulp screen, four thick slurries of wash hollander counter flow in series washing extract black liquor, black liquor to black liquor storagetank; Organic-inorganic mixed fertilizer production line comprises:, spray granulating machine, hot cold screening system, organic-inorganic mixed fertilizer finished product packing concentrated through black liquor filter, evaporator station at the mixed black liquor of black liquor storagetank.
After biological enzyme Reed Pretreated, the processing parameter of black liquid extraction is:
Biological enzyme consumption: 4%(with reed oven-dry weight for benchmark);
Biological enzyme pretreatment temperature: 50 DEG C;
Reed mass dryness fraction: 18-20%;
Biological enzyme pretreatment time: 60h (reed and biological enzyme carry out temperature of reaction reach 55 DEG C start timing), condition: 8≤PH≤10; T=55-57 DEG C;
Extract black liquor temperature: 80 DEG C;
Extract black liquid consistency: 8-10%;
The processing parameter of alkaline process reed pulp black liquid extraction after pre-treatment:
Dress pot amount: 7200 ± 100 kilograms/ball (over dry gauge);
Boiling alkali charge: 8%;
Cooking pressure: 0.65MPa;
Liquor ratio: 1:3.0;
Goal liquor strength: 65 ± 2g/l;
Fluid temperature: >=80 DEG C;
Cooking time: 3.5 hours;
Thick starch degree: k=18-22(permanganate number);
Extract black liquid consistency: 8-10%;
Extract black liquor temperature: 80 DEG C.
The processing parameter that under above-mentioned condition, organic-inorganic mixed fertilizer is produced:
Black liquid consistency after evaporation concentration: 45%;
Black liquor temperature after evaporation concentration: 60 DEG C;
Tablets press head temperature: 400-500 DEG C;
Tablets press tail temperature: 100-110 DEG C;
Spray pressure: 0.25-0.45MPa;
Product granularity (1.00-4.75mm or 3.35mm-5.6mm): >=70%;
Organic massfraction:
>=20%(I type), >=15%(II type), >=8%(III type);
The massfraction of total nutrient:
>=15%(I type), >=25%(II type), >=30%(III type);
The massfraction of moisture :≤12%(I type) ,≤12%(II type) ,≤8%(III type);
Potential of hydrogen: PH=3.0-8.0;
Massfraction≤3.0 of chlorion.
The present invention has following unusual effect:
1. with farm crop reed for raw material, adopt biodegradation technique to extract organic, the organic-inorganic mixed fertilizer of production, active organic matter is high (reaches more than 65%, wherein content of humic acid is up to 30 ~ 35%), can be decomposed by soil microorganisms and utilize, greatly improve the physical properties of soil.Improve the specific absorption of N P and K, specific absorption improves about 30-50%.This fertilizer is rich in bacteria agent, plays effect of fixed nitrogen, phosphorus decomposing, potassium decomposing.
2. organic-inorganic mixed fertilizer is produced and is adopted spray granulation, and particle is little, and moisture is few, and hardness is large, can machine sowing, full water-soluble, high reactivity, can promote plant disease-resistant, high yield, the plant of use fertilizer has green plants advantage.
3. reduce discharging of waste liquid, greatly reduce sewage disposal expense.Without the need to carrying out conventional alkali collection, reduce running cost.
4. the present invention opens new production fertilizer field, and can solve local part labour employment problem, social benefit is remarkable.
Embodiment
The specific embodiment of the present invention is the extraction of alkaline process reed pulp black liquor and production three part of organic-inorganic mixed fertilizer after the extraction of black liquor after biological enzyme Reed Pretreated, pre-treatment.
1. the extraction of black liquor after biological enzyme Reed Pretreated.
1.1 wet feed preparations:
By the reed that purchase comes, be transported to chaffcutter and cut into the long tablet of 15-30mm, after the dedusting of goat's horn fly-ash separator, dewater after rinsing machine, waterpower grass washing machine are washed, to next procedure by the defeated priority of rotary conveyor.
The extraction of black liquor after 1.2 biological enzyme Reed Pretreateds:
Tablet after the washing dehydration come through getting the raw materials ready is delivered to biological enzyme pre-treatment storehouse through rotary conveyor, according to pretreatment technology, biological enzyme pre-treatment is carried out to the reed after washing, the pretreated reed of biological enzyme enters simple helix pulp-extruding machine and extrudes, black liquid consistency after extruding is 8-10%, temperature about 80 DEG C, is delivered to black liquor storagetank stand-by.
1.3 major equipments:
Roller-type hay cutter: 12t/h;
Rinsing machine: 8m
3;
Waterpower grass washing machine: 60m
3;
Inclined helix dehydrator; 200t/d;
Biological enzyme pre-processing device: 9000m
3;
Simple helix pulp-extruding machine: ZLYA1100.
1.4 technical process:
Reed-roller-type hay cutter-fly-ash separator-rotary conveyor-rinsing machine-waterpower grass washing machine---inclined helix dehydrator-rotary conveyor-biological enzyme pre-treatment storehouse-simple helix pulp-extruding machine-black liquor storagetank.
The processing parameter of black liquor is extracted after 1.5 biological enzyme Reed Pretreateds:
Biological enzyme consumption: 4%(with reed oven-dry weight for benchmark);
Biological enzyme pretreatment temperature: 50 DEG C;
Reed mass dryness fraction: 18-20%;
Biological enzyme pretreatment time: 60h (reed and biological enzyme carry out temperature of reaction reach 55 DEG C start timing), condition: 8≤PH≤10; T=55-57 DEG C;
Extract black liquor temperature: 80 DEG C;
Extract black liquid consistency: 8-10%.
2. the extraction of alkaline process reed pulp black liquor after pre-treatment.
2.1 batch cookings:
After the pre-dipping machine of spiral, packer, enter rotary spherical digester after the reed sheet come from biological enzyme pretreatment workshop and cooking liquor mix and carry out boiling.Well-done thick slurry spurts to jetting storehouse, and the bottom of jetting storehouse adopts spiral propeller, and reed pulp is pushed into simple helix pulp-extruding machine, black liquor is extruded by pulp-extruding machine, enters Cu Jiangzhu pond, underground after thick slurry thin phenol water dilution.
The extraction of 2.2 reed pulp washing black liquid:
The thick slurry of underground drainer after dilution, with being pumped to 2m
2vanning is roughly selected, and the slurry after roughly selecting is through the flat valve drum vacuum pulp washer group countercurrent washing of four series connection.Reed pulp after washing enters next procedure.The black liquor extracted after washing mixes in black liquor storagetank with the black liquor after biological enzyme Reed Pretreated.
2.3 major equipments:
Rotary spherical digester: ZCQ40m
3;
Simple helix pulp-extruding machine: ZLYA1100;
Flat valve drum vacuum pulp washer: 60m
3;
2.4 technical process:
Pretreated reed-rotary spherical digester-jetting storehouse-simple helix pulp-extruding machine-underground the drainer of biological enzyme-wash front stock tank-2m
2black liquor-black liquor storagetank after vanning-tetra-series plane valve drum vacuum pulp washing machine group-washing.
The processing parameter of alkaline process reed pulp black liquid extraction after 2.5 pre-treatment:
Dress pot amount: 7200 ± 100 kilograms/ball (over dry gauge);
Boiling alkali charge: 8%;
Cooking pressure: 0.65MPa;
Liquor ratio: 1:3.0;
Goal liquor strength: 65 ± 2g/l;
Fluid temperature: >=80 DEG C;
Cooking time: 3.5 hours;
Thick starch degree: k=18-22(permanganate number);
Extract black liquid consistency: 8-10%;
Extract black liquor temperature: 80 DEG C.
The production of 3 organic-inorganic mixed fertilizers.
3.1 black liquor vaporizings concentrate:
From the black liquor of storagetank, send into according to black liquor evaporator area the evaporation concentration that seven body quintuple effect evaporators carry out black liquor, become concentrated black liquid, black liquid consistency after concentrated: 45%, temperature: 60 DEG C, stored for future use.
The production of 3.2 organic-inorganic mixed fertilizers.
Evaporation concentration black liquor afterwards, by spray granulating machine, roller grizzly extension set, cylinder cooler, coating machine, final production goes out qualified finished product organic-inorganic mixed fertilizer.
3.3 major equipments:
Plate-type evaporator: design pressure: housing 0.095MPa; Well heater 0.3MPa;
Heat interchanging area: 640 ㎡;
Spray granulating machine: Φ 4250 × 16000mm, drum speed 4.2r/min;
Roller grizzly extension set: sieve nest rotating speed 12.5r/min, throughput 10 ~ 12t/h;
Cylinder cooler: Φ 1800X18000mm, drum speed n=5r.p.m;
Coating machine: cylindrical shell wall thickness 12mm, drum speed n=13r.p.m.
3.4 technical process:
Black liquor-evaporation concentration-spray granulating machine-roller grizzly extension set-cylinder cooler-coating machine-finished product warehouse-in from black liquor storagetank is for sale.
3.5 processing parameters:
Black liquid consistency after evaporation concentration: 45%;
Black liquor temperature after evaporation concentration: 60 DEG C;
Tablets press head temperature: 400-500 DEG C;
Tablets press tail temperature: 100-110 DEG C;
Spray pressure: 0.25-0.45MPa;
Product granularity (1.00-4.75mm or 3.35mm-5.6mm): >=70%;
Organic massfraction:
>=20%(I type), >=15%(II type), >=8%(III type);
The massfraction of total nutrient:
>=15%(I type), >=25%(II type), >=30%(III type);
The massfraction of moisture :≤12%(I type) ,≤12%(II type) ,≤8%(III type);
Potential of hydrogen: PH=3.0-8.0;
Massfraction≤3.0 of chlorion.
The present invention is for raw material with the reed of Ningxia and surrounding area, employ new technology-biological enzyme pre-treatment+soda pulping manufactures paper with pulp true qualities paper for daily use, period is adopting the black liquor and pretreated reed boiling that produce in the process of biological enzyme Reed Pretreated, alkali collection evaporator section is entered after carrying out the thin phenol water extraction of thick plasm scouring generation, evaporation concentration becomes concentrated black liquid, extract organic matter wherein and be rich in fertilizer element, producing highly active organic-inorganic mixed fertilizer material.Not only increase income, and solve the labour employment problem of some people, produce good economic benefit and social benefit.
Claims (4)
1. the method for organic-inorganic mixed fertilizer produced by the black liquor extracted with the slurrying of biological enzyme pretreated alkaline process reed, it is characterized in that the method comprises the extraction of alkaline process reed pulp black liquor and the production of organic-inorganic mixed fertilizer after the extraction of black liquor after biological enzyme Reed Pretreated, pre-treatment, wherein, after biological enzyme Reed Pretreated, the extraction of black liquor comprises: wet feed preparation, biological enzyme pre-treatment, reed extrusion process produce black liquor; The extraction of alkaline process reed pulp black liquor comprises: black liquor are extracted in the black liquor after pre-treatment after the alkaline cooking of reed, pulp-extruding machine extruding, the choosing of thick pulp screen, four wash hollander counter flow in series washings; Fertilizer-inorganic mixture manufacturing comprises: the black liquor after extraction is concentrated through evaporator station, spray granulating machine, hot cold screening system, organic-inorganic mixed fertilizer finished product packing.
2. method according to claim 1, after it is characterized in that the biological enzyme Reed Pretreated described in the method, the processing parameter of black liquid extraction is:
Biological enzyme consumption: 4%(with reed oven-dry weight for benchmark);
Biological enzyme pretreatment temperature: 50 DEG C;
Reed mass dryness fraction: 18-20%;
Biological enzyme pretreatment time: 60h (reed and biological enzyme carry out temperature of reaction reach 55 DEG C start timing), condition: 8≤PH≤10; T=55-57 DEG C;
Extract black liquor temperature: 80 DEG C;
Extract black liquid consistency: 8-10%.
3. method according to claim 1, is characterized in that the processing parameter of the alkaline process reed pulp black liquid extraction described in the method is:
Dress pot amount: 7200 ± 100 kilograms/ball (over dry gauge);
Boiling alkali charge: 8%;
Cooking pressure: 0.65MPa; ;
Liquor ratio: 1:3.0;
Goal liquor strength: 65 ± 2g/l;
Fluid temperature: >=80 DEG C;
Cooking time: 3.5 hours;
Thick starch degree: k=18-22(permanganate number);
Extract black liquid consistency: 8-10%;
Extract black liquor temperature: 80 DEG C.
4. method according to claim 1, the processing parameter carrying out organic-inorganic mixed fertilizer production under it is characterized in that previous process condition is:
Black liquid consistency after evaporation concentration: 45%;
Black liquor temperature after evaporation concentration: 60 DEG C;
Tablets press head temperature: 400-500 DEG C;
Tablets press tail temperature: 100-110 DEG C;
Spray pressure: 0.25-0.45MPa;
Product granularity (1.00-4.75mm or 3.35mm-5.6mm): >=70%;
Organic massfraction:
>=20%(I type), >=15%(II type), >=8%(III type);
The massfraction of total nutrient:
>=15%(I type), >=25%(II type), >=30%(III type);
The massfraction of moisture :≤12%(I type) ,≤12%(II type) ,≤8%(III type);
Potential of hydrogen: PH=3.0-8.0;
Massfraction≤3.0 of chlorion;
Potential of hydrogen: PH=3.0-8.0;
Massfraction≤3.0 of chlorion.
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|---|---|---|---|
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012635A (en) * | 2016-05-18 | 2016-10-12 | 宁夏紫荆花纸业有限公司 | Method for preparing unbleached paper for dining table from crop straw by adopting biological enzyme and alkaline pulping |
| CN106192519A (en) * | 2016-07-20 | 2016-12-07 | 宁夏紫荆花纸业有限公司 | Phragmites communis KOH and NaOH mixing alkaline pulping black liquor prepare organic and inorganic fertilizer method |
| CN106747973A (en) * | 2016-11-29 | 2017-05-31 | 宁夏紫荆花纸业有限公司 | The method that black liquor produces potassium fulvate organic fertilizer is extracted with the slurrying of biology enzyme pretreatment+potassium hydroxide alkaline process reed |
| CN107938417A (en) * | 2017-11-29 | 2018-04-20 | 何永庆 | The method that organic fertilizer is prepared using pulping waste liquor |
| CN113622209A (en) * | 2021-07-15 | 2021-11-09 | 齐鲁工业大学 | Method for preparing natural-color biomechanical pulp based on reeds and fully utilizing byproducts |
-
2015
- 2015-09-28 CN CN201510625569.1A patent/CN105330466A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012635A (en) * | 2016-05-18 | 2016-10-12 | 宁夏紫荆花纸业有限公司 | Method for preparing unbleached paper for dining table from crop straw by adopting biological enzyme and alkaline pulping |
| CN106192519A (en) * | 2016-07-20 | 2016-12-07 | 宁夏紫荆花纸业有限公司 | Phragmites communis KOH and NaOH mixing alkaline pulping black liquor prepare organic and inorganic fertilizer method |
| CN106747973A (en) * | 2016-11-29 | 2017-05-31 | 宁夏紫荆花纸业有限公司 | The method that black liquor produces potassium fulvate organic fertilizer is extracted with the slurrying of biology enzyme pretreatment+potassium hydroxide alkaline process reed |
| CN107938417A (en) * | 2017-11-29 | 2018-04-20 | 何永庆 | The method that organic fertilizer is prepared using pulping waste liquor |
| CN113622209A (en) * | 2021-07-15 | 2021-11-09 | 齐鲁工业大学 | Method for preparing natural-color biomechanical pulp based on reeds and fully utilizing byproducts |
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Application publication date: 20160217 |