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CN1226240C - Process for producing organic compound fertilizer using papermaking waster liquid - Google Patents

Process for producing organic compound fertilizer using papermaking waster liquid Download PDF

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Publication number
CN1226240C
CN1226240C CN 03132087 CN03132087A CN1226240C CN 1226240 C CN1226240 C CN 1226240C CN 03132087 CN03132087 CN 03132087 CN 03132087 A CN03132087 A CN 03132087A CN 1226240 C CN1226240 C CN 1226240C
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China
Prior art keywords
waste liquid
concentrated solution
technology
drying
concentrated
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Expired - Fee Related
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CN 03132087
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Chinese (zh)
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CN1569770A (en
Inventor
束中立
林先贵
吴锡军
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Institute of Soil Science of CAS
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Institute of Soil Science of CAS
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Priority to CN 03132087 priority Critical patent/CN1226240C/en
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Abstract

The present invention discloses a technique for producing an organic compound fertilizer by using waste liquid during paper making, and waste liquid during paper making is waste liquid containing wheatgrass sub-ammonium in the pulping process of paper making. The technique used for a closed cycle process has the following specific technical steps: first of all, the waste liquid is sprayed and concentrated in a tubular way and then conveyed to a heat-preserving material storage tank; subsequently, the concentrated liquid is sprayed onto an organic matter carrier for granulation, and granules are dried and pulverized to form solid dry powder; then, nitrogen, phosphorus, kalii, medium nourishing elements, trace nourishing elements and conditioners are added; finally, a finished product is prepared through uniform mixing, pulp spraying, granulation, dryness, cooling, film coating and sieving. The present invention has the characteristics of less investment, obvious effect, labor saving, water source saving, no pollution and environmental protection, waste is changed into valuable things, and the cost is reduced.

Description

Papermaking wastewater is produced the technology of mixed organic manure
Technical field
The invention belongs to the technical field of preparation mixed organic manure, relate to a kind of technology of utilizing papermaking wastewater to produce mixed organic manure, particularly relate to a kind of technology of utilizing wheat straw imonium pulping and paper-making waste liquid to produce mixed organic manure.
Background technology
In the wheat straw imonium pulping and paper-making waste liquid, contain organonitrogen 0.45%, inorganic nitrogen 0.74%, potassium oxide 0.65%, organic 4-5%, remaining imonium 0.35%.
Family surplus the local middle-size and small-size papermaking enterprise of China has 2000 approximately, general day discharging waste liquid amount is by minimum about 300 tons of calculating, and nitrogen content wherein is equivalent to 7.5-8 ton urea, contains K 2O is equivalent to 3.5-4 ton vitriolate of tartar, contains the amount that organic matter is equivalent to 15-18 ton wheat straw, and remaining imonium is more than 1 ton, and a spot of phosphorus, silicon and micronutrient element are arranged.
These are rich in nutraceutical waste liquid, if directly be discharged into rivers, not only wasted resource, but also can cause body eutrophication, cause the ecotope severe exacerbation.If directly the irrigated farmland because its contained nutritive element is out of proportion, and owing to the reducing substance too high levels, can causes that the physiology of crop is poisoned, cause the farm output underproduction significantly.
Because of the situation of the ecological environmental pollution that discharging of waste liquid causes of paper industry happens occasionally.In order to protect environment, some enterprises are forced to stop production in succession, thus, directly influence the development of paper industry and the development of local economy.
Summary of the invention
The object of the present invention is to provide a kind of technology of utilizing papermaking wastewater to produce mixed organic manure,, turn waste into wealth simultaneously, utilize papermaking wastewater to produce mixed organic manure so that help paper industry rationally to dispose waste liquid, solve the discharging of waste liquid problem.Utilize the present invention can accomplish the zero release of papermaking wastewater, recycling water 70-80% realizes that the zero cost of papermaking wastewater is handled.
Above-mentioned purpose of the present invention is achieved in that a kind of technology of papermaking wastewater production mixed organic manure, and this papermaking wastewater is a wheat straw imonium pulping and paper-making waste liquid, and this technology is the closed cycle flow process, it is characterized in that, has following processing step:
At first, waste liquid is concentrated and delivers to the insulation storage tank by the tubular type spray;
Then, concentrated solution is sprayed on the organism carrier granulates, and drying and pulverizing form solid dry powder;
Then, add nitrogen, phosphorus, potassium and in, micronutrient element and amendment;
At last, make product through mixing, spray granulating, dry cooling, coating, screening.
Technology of the present invention is characterized in that: the solid content in the described concentrated solution is 30-50%, and described organism carrier is one of any or arbitrary combination in peat, weathered coal, the straw fermenting.
Technology of the present invention is characterized in that: described organism carrier is the powder less than 1 millimeter.
Technology of the present invention is characterized in that: described pulverizing is pulverized for the hypervelocity blade.
Technology of the present invention is characterized in that: described pulverizing is that closed negative pressure is pulverized, and described granulation is granulated for the spraying rotary drum, and described drying is the jet-stream whirl warm air drying.
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment
Embodiment 1
At first, wheat straw imonium pulping and paper-making waste liquid is sprayed concentration method by heat pipe-type, make solid content in the concentrated solution reach 40% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on the peat powder of diameter 0.25-1 millimeter and granulates, the weight percent of concentrated solution and peat was controlled at 2: 1, and through the rotary drying kiln drying, with the fragmentation of hypervelocity blade type pulverizer, formed solid dry powder immediately;
Then, add the attapulgite of 5% ammonium sulfate, 20% urea, 15% monoammonium phosphate, 5% fused(calcium magnesium)phosphate, 15% vitriolate of tartar, 1.% manganous sulfate, 0.5% ammonium molybdate and 5% as amendment;
At last; through the post-type mixer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240 air stream dryings Celsius, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=40% (15-7-8), organic 〉=20%, trace element 〉=0.2%.
Embodiment 2
At first, wheat straw imonium pulping and paper-making waste liquid is sprayed concentration method by hot plate type, make solid content in the concentrated solution reach 40% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on the fermented stalk powder of diameter 0.25-1 millimeter and granulates, the weight percent of concentrated solution and fermented stalk was controlled at 1: 1, and through belt fluid bed dryer jet-stream whirl warm air drying, use the ball mill pulverizing crusher machine immediately, form solid dry powder;
Then, add 10% ammonium sulfate, 15% urea, 16% double superhosphate, 10% Repone K, 1.0% zinc sulfate and 5% zeolite powder as amendment;
At last; through horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 270 degree air stream dryings Celsius, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of hard 15% resin acid of the 0.8mPa press atomization coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=25% (12-6-7), organic 〉=20%, trace element 〉=0.2%.
Embodiment 3
At first, wheat straw imonium pulping and paper-making waste liquid is concentrated by heat pipe-type spray or hot plate type spray concentration method, make solid content in the concentrated solution reach 50% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on the weathered coal powder of diameter 0.25-0.5 millimeter and granulates, the weight percent of concentrated solution and organism carrier was controlled at 1: 1, and through rotary drying kiln, belt or board-like fluid bed dryer jet-stream whirl warm air drying, with hypervelocity blade type, steel mill, ball mill pulverizing crusher machine, form solid dry powder immediately;
Then, add borax (or boric acid), zinc sulfate 0.5% ammonium molybdate and the amendments such as 5% attapulgite or zeolite powder of 5% ammonium sulfate, 10% urea, 20% monoammonium phosphate, 8% fused(calcium magnesium)phosphate, 15% vitriolate of tartar, 4% Repone K and 1.0%;
At last; through post-type mixer or horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4-0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240-270 degree Celsius air stream drying, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4-0.8mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=30% (10-10-10) organic matter 〉=20%, trace element 〉=0.2%.
Embodiment 4
At first, wheat straw imonium pulping and paper-making waste liquid is concentrated by heat pipe-type spray or hot plate type spray concentration method, make solid content in the concentrated solution reach 40% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on each organic powder of mixing of 50% of peat, weathered coal of diameter 0.25-1 millimeter and granulates, the weight percent of concentrated solution and organism carrier was controlled at 1.5: 1, and through rotary drying kiln, belt or board-like fluid bed dryer jet-stream whirl warm air drying, with hypervelocity blade type, steel mill, ball mill pulverizing crusher machine, form solid dry powder immediately;
Then, add borax or boric acid, 0.5% zinc sulfate and manganous sulfate and the amendments such as 5% attapulgite or zeolite powder of 5% ammonium sulfate, 15% urea, 14% monoammonium phosphate, 18% vitriolate of tartar, 5% Repone K and 0.5%;
At last; through post-type mixer or horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4-0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240-270 degree Celsius air stream drying, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4-0.8mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=30% (12-6-12) organic matter 〉=20%, trace element 〉=0.2%.
Embodiment 5
At first, wheat straw imonium pulping and paper-making waste liquid is concentrated by heat pipe-type spray or hot plate type spray concentration method, make solid content in the concentrated solution reach 40% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on each organic powder of mixing of 50% of weathered coal, fermented stalk of diameter 0.25-1 millimeter and granulates, the weight percent of concentrated solution and organism carrier was controlled at 1.5: 1, and through rotary drying kiln, belt or board-like fluid bed dryer jet-stream whirl warm air drying, with hypervelocity blade type, steel mill, ball mill pulverizing crusher machine, form solid dry powder immediately;
Then, add borax (or boric acid), 0.75% manganous sulfate, 0.05% ammonium molybdate and the amendments such as 5% attapulgite or zeolite powder of 10% ammonium sulfate, 14% urea, 10% monoammonium phosphate or double superhosphate, 6% fused(calcium magnesium)phosphate, 10% vitriolate of tartar, 5% Repone K and 0.5%;
At last; through post-type mixer or horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4-0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240-270 degree Celsius air stream drying, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4-0.8mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=25% (12-5-8) organic matter 〉=20%, trace element 〉=0.2%.
Embodiment 6
At first, wheat straw imonium pulping and paper-making waste liquid is concentrated by heat pipe-type spray or hot plate type spray concentration method, make solid content in the concentrated solution reach 30% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on the peat organism powder of diameter 0.25-1 millimeter and granulates, the weight percent of concentrated solution and organism carrier was controlled at 2: 1, and through rotary drying kiln, belt or board-like fluid bed dryer jet-stream whirl warm air drying, with hypervelocity blade type, steel mill, ball mill pulverizing crusher machine, form solid dry powder immediately;
Then, add the amendments such as borax (or boric acid), 1.0% zinc sulfate, manganous sulfate, 0.02% ammonium molybdate and 5% zeolite powder of 5% ammonium sulfate, 20% ammonium nitrate, 12% monoammonium phosphate, 20% vitriolate of tartar and 1.0%;
At last; through post-type mixer or horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4-0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240-270 degree Celsius air stream drying, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4-0.8mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce that nitrogenous phosphorus potassium 〉=25% (10-5-10), organic matter are 20%, the product of trace element 〉=0.4%.
Embodiment 7
At first, wheat straw imonium pulping and paper-making waste liquid is concentrated by heat pipe-type spray or hot plate type spray concentration method, make solid content in the concentrated solution reach 35% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, concentrated solution is sprayed on each organic powder of mixing of 50% of peat, fermented stalk of diameter 0.25-1 millimeter and granulates, the weight percent of concentrated solution and organism carrier was controlled at 1.5: 1, and through rotary drying kiln, belt or board-like fluid bed dryer jet-stream whirl warm air drying, with hypervelocity blade type, steel mill, ball mill pulverizing crusher machine, form solid dry powder immediately;
Then, add the amendment such as borax (or boric acid), zinc sulfate, manganous sulfate, 0.02% ammonium molybdate and 6% attapulgite, 5% zeolite powder of 10% ammonium sulfate, 8% urea, 12% double superhosphate, 14% vitriolate of tartar and 0.5%;
At last; through post-type mixer or horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4-0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240-270 degree Celsius air stream drying, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4-0.8mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=20% (8: 5: 7), organic 〉=20%, trace element 〉=0.2%.
Embodiment 8
At first, wheat straw imonium pulping and paper-making waste liquid is concentrated by heat pipe-type spray or hot plate type spray concentration method, make solid content in the concentrated solution reach 45% concentration after, this concentrated solution is delivered to the insulation storage tank;
Then, peat, weathered coal, fermented stalk (5: 3: 2) that concentrated solution is sprayed to diameter 0.25-1 millimeter mix on organic powder granulates, the weight percent of concentrated solution and organism carrier was controlled at 1.5: 1, and through rotary drying kiln, belt or board-like fluid bed dryer jet-stream whirl warm air drying, with hypervelocity blade type, steel mill, ball mill pulverizing crusher machine, form solid dry powder immediately;
Then, add the amendment such as borax (or boric acid), 0.5% zinc sulfate, sal epsom, manganous sulfate, 0.05% ammonium molybdate and 5% attapulgite, 5% zeolite powder of 10% ammonium sulfate, 10% urea, 12% double superhosphate, 12% vitriolate of tartar and 0.5%;
At last; through post-type mixer or horizontal turnover panel stirrer stirring and evenly mixing; be transported to rotary drum granulator; utilize the concentrating spent liquor of 0.4-0.6mPa pressure to carry out the spray drum granulation; by rotary drying kiln 240-270 degree Celsius air stream drying, cold wind cooling in the revolution cooler, then finished product in packing machine by the positive fourth fat of the 0.4-0.8mPa press atomization stearic acid coating that atomizes; at last, product is made in screening.
Utilize the present invention can produce the product of nitrogenous phosphorus potassium 〉=20% (9: 5: 6), organic 〉=20%, trace element 〉=0.2%.
In the wheat straw imonium pulping and paper-making waste liquid, except that containing plant nutrient, organic moiety is mainly based on sulfomethylated lignin acids soil ulmin, and lignosulfonic acid is good complexing agent, can improve fertilizer efficiency 1-2 doubly with the inorganic nutrients complexing.In addition, sulfonated lignin simultaneously also are a kind of plant-growth regulator of novel, natural, high-efficiency broad spectrum, it can promote the photosynthesis of crop, improve tillering ability, strengthen the healing ability of plant wound site, strengthen resistance, regulate the metabolism of active oxygen, stablize the plant cell membrane system, and the function that the guarantor is green and delay senility is arranged.
Therefore; utilize plant nutrient and acitve organic matter matter in the spent pulping liquor; principle by the science balance fertilizing; add other nutrients according to quantity and make and adapt to local characteristics of soil fertility, to the mixed organic fertilizer of the characteristics of nutrient demand, can adapt to the demand that satisfies agriculture production during nutrient supply situation and the crop growth; simultaneously; can boost agricultural yield effectively and quality, the protection environment increases fertility of land, and can become the cleaning fertilizer of nuisancelessization.

Claims (5)

1, a kind of papermaking wastewater is produced the technology of mixed organic manure, and this papermaking wastewater is a wheat straw imonium pulping and paper-making waste liquid, and this technology is the closed cycle flow process, it is characterized in that, has following processing step:
At first, waste liquid is concentrated and delivers to the insulation storage tank by the tubular type spray;
Then, concentrated solution is sprayed on the organism carrier granulates, and drying and pulverizing formation solid dry powder, the weight ratio of described concentrated solution and described organism carrier is controlled at 1~2: 1, solid content in the described concentrated solution is 30-50%, and described organism carrier is one of any or arbitrary combination in peat, weathered coal or the straw fermenting;
Then, add nitrogen, phosphorus, potassium and in, micronutrient element and amendment, described amendment is attapulgite and/or zeolite powder, its addition is 1%-8%;
At last, make product through mixing, spray granulating, dry cooling, coating, screening.
2, technology as claimed in claim 1 is characterized in that: described organism carrier is the powder less than 1 millimeter.
3, technology as claimed in claim 1 or 2 is characterized in that: described pulverizing is pulverized for the hypervelocity blade.
4, technology as claimed in claim 1 or 2 is characterized in that: described pulverizing is that closed negative pressure is pulverized, and described granulation is granulated for the spraying rotary drum, and described drying is the jet-stream whirl warm air drying.
5, technology as claimed in claim 1 or 2, it is characterized in that: described nitrogen is urea, one of any or arbitrary combination in ammonium nitrate or the ammonium sulfate, its addition is 5%-20%, described phosphorus is monoammonium phosphate, one of any or arbitrary combination in double superhosphate or the fused(calcium magnesium)phosphate, its addition is 5%-15%, described potassium is vitriolate of tartar and/or Repone K, its addition is 10%-20%, in described, micronutrient element is a sal epsom, zinc sulfate, ferrous sulfate, one of any or arbitrary combination in manganous sulfate or the ammonium molybdate, its addition is 0.05%-1%, described pulverizing is that closed negative pressure is pulverized, described granulation is granulated for the spraying rotary drum, and described drying is the jet-stream whirl warm air drying.
CN 03132087 2003-07-21 2003-07-21 Process for producing organic compound fertilizer using papermaking waster liquid Expired - Fee Related CN1226240C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03132087 CN1226240C (en) 2003-07-21 2003-07-21 Process for producing organic compound fertilizer using papermaking waster liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03132087 CN1226240C (en) 2003-07-21 2003-07-21 Process for producing organic compound fertilizer using papermaking waster liquid

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Publication Number Publication Date
CN1569770A CN1569770A (en) 2005-01-26
CN1226240C true CN1226240C (en) 2005-11-09

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100361938C (en) * 2005-11-07 2008-01-16 山东省农业科学院土壤肥料研究所 Process for preparing organic fertilizer by biological mud and grass refuse of papermaking plant
CN101177356B (en) * 2007-11-01 2010-06-16 大连工业大学 Method for making composite granular fertilizer from waste from rice straw pulping and papermaking
CN101503320B (en) * 2009-03-13 2012-07-04 深圳市万信达环境绿化建设有限公司 Nutrition layer material additive for restoring road slope and bare mountain vegetation
CN102442847B (en) * 2010-10-12 2013-06-19 上海绿乐生物科技有限公司 Method for producing bio-organic fertilizer by using lignin organic granules
CN102442856B (en) * 2011-10-17 2013-07-03 扬州展鹏肥业有限公司 Ecological functional type cedar fertilizer and production method thereof
CN104892074A (en) * 2015-06-06 2015-09-09 成都市新都化工股份有限公司 Fertilizer specially used for ornamental flower and preparation method of fertilizer
CN107502362B (en) * 2017-08-29 2020-06-05 泰谷生态科技集团股份有限公司 Method for preparing acid soil conditioner from papermaking black liquor and application thereof

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