CN102659461A - High-porosity compound fertilizer high tower granulating method and high-porosity compound fertilizer - Google Patents
High-porosity compound fertilizer high tower granulating method and high-porosity compound fertilizer Download PDFInfo
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- CN102659461A CN102659461A CN2012101160988A CN201210116098A CN102659461A CN 102659461 A CN102659461 A CN 102659461A CN 2012101160988 A CN2012101160988 A CN 2012101160988A CN 201210116098 A CN201210116098 A CN 201210116098A CN 102659461 A CN102659461 A CN 102659461A
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- silicon
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- high tower
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 45
- 150000001875 compounds Chemical class 0.000 title abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 276
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 132
- 239000000843 powder Substances 0.000 claims abstract description 109
- 239000000463 material Substances 0.000 claims abstract description 96
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 84
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims abstract description 55
- 239000000203 mixture Substances 0.000 claims abstract description 54
- 239000010451 perlite Substances 0.000 claims abstract description 13
- 235000019362 perlite Nutrition 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims description 98
- 229960001866 silicon dioxide Drugs 0.000 claims description 81
- 238000002844 melting Methods 0.000 claims description 66
- 230000008018 melting Effects 0.000 claims description 66
- JJEJDZONIFQNHG-UHFFFAOYSA-N [C+4].N Chemical compound [C+4].N JJEJDZONIFQNHG-UHFFFAOYSA-N 0.000 claims description 51
- 235000013312 flour Nutrition 0.000 claims description 48
- 239000002994 raw material Substances 0.000 claims description 19
- 230000008961 swelling Effects 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 5
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 abstract 5
- 239000001099 ammonium carbonate Substances 0.000 abstract 5
- 239000012768 molten material Substances 0.000 abstract 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011863 silicon-based powder Substances 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 210000002700 urine Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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Abstract
The invention relates to a high-porosity compound fertilizer high tower granulating method and a high-porosity compound fertilizer and aims to solve the problem of difficulty in realization of high porosity in the prior art. In the method, a compound fertilizer molten material is formed by granulating in a high tower. The high-porosity compound fertilizer high tower granulating method is characterized in that 0.3-0.5 percent by weigh of ammonium bicarbonate is added into the molten material and is granulated in the high tower after being uniformly mixed. The ammonium bicarbonate is an ammonium bicarbonate lightweight silicon powder mixture formed by uniformly mixing a lightweight powder material taking silicon dioxide as a main component, wherein the weight ratio of the lightweight powder material taking the silicon dioxide as the main component to the ammonium bicarbonate is (3-30)/100. The lightweight powder material taking the silicon dioxide as the main component is expansion perlite powder or diatomite powder. The compound fertilizer is formed by adding the 0.3-0.5 percent by weigh of ammonium bicarbonate into the compound fertilizer molten material, uniformly mixing and granulating in the high tower. The high-porosity compound fertilizer high tower granulating method and the high-porosity compound fertilizer have the advantages of low cost, easiness in realization, high reliability, easiness in preparation of a low-nitrogen high tower compound fertilizer, high porosity of the prepared compound fertilizer, small volume weight and low cost, and the problem of overfertilization is favorably solved.
Description
Technical field
The present invention relates to composite fertilizer high tower pellatizer technology, particularly relate to a kind of high hole composite fertilizer's high tower pellatizer method and high hole composite fertilizer.
Background technology
High tower is the molten slurry of composite fertilizer material high temperature or becomes the molten mixture of starching; Shedding from high tower the decline process; When being scattered,, interact, carry out with it dropping at the bottom of the tower after heat exchange with the air resistance that at the bottom of tower, rises because of the englobement of surface tension reason; Fall into the granule materials at the bottom of the tower, after the screening surface treatment, obtain granular composite fertilizer.Particle is few because stand pyroprocess moisture, is not easy caking.The reflection of material thorough mixing, particle is sparkling and crystal-clear, sells the lover.But it is high-purity that reaction mass also needs, so many high concentration formulations, the urea ratio is also higher relatively.In addition: hole (eye) rate of existing high tower compound fertilizer is all at 10-30%, and stable high porosity is very difficult to realize.The high composite fertilizer of porosity specific surface area is big, and prevented from caking is absorbed more easily, more helps reducing relatively the fertilizer usage quantity, reduces fertilizer loss, improves fertilizer efficiency, makes water body environment avoid eutrophy harm.
Summary of the invention
The object of the invention is to overcome the above-mentioned defective of prior art, provides a kind of cost low, is easy to realize, the high hole composite fertilizer high tower pellatizer method that safety is high, the object of the invention also are to provide this method produces high hole composite fertilizer.
Be to realize above-mentioned purpose, the high hole of the present invention composite fertilizer high tower pellatizer method, composite fertilizer's melting charge forms through high tower pellatizer, its special feature is in melting charge, to add the bicarbonate of ammonia of 0.3-0.5% weight ratio, behind the mixing again through high tower pellatizer.Said composite fertilizer melting charge both can be the urine base-material, also can be the nitro material.The high tower compound fertilizer porosity that existing high tower pellatizer method is processed is usually at 10-30%; The high tower compound fertilizer porosity that adopts the inventive method to produce can improve 90% on rate basis, pre-existent pore; Promptly reach the porosity of 19-57%; And it is low to have a cost, is easy to realize the advantage that safety is high.And can both make low nitrogen high tower compound fertilizer, can not make 15 like prior art; 5; 25 low nitrogen high tower compound fertilizer, and adopt the inventive method just to accomplish easily.
As optimization, said bicarbonate of ammonia is evenly to sneak into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, and wherein silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 3-30/100.Silicon-dioxide is that light powder material and composite fertilizer's melting charge avidity of staple is good; Be prone to and the quick thorough mixing of composite fertilizer's melting charge; And can fully adsorb bicarbonate of ammonia, the carbon ammonium is brought in composite fertilizer's melting charge fast, the hole that increases of giving full play to the carbon ammonium acts on.
As optimization, said silicon-dioxide is that the light powder material of staple is swelling perlite powder or diatomite in powder.
As optimization, said silicon-dioxide is that the fineness of the light powder material of staple is >=100 orders, and said silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 5-20/100.
As optimization, said silicon-dioxide is that the fineness of the light powder material of staple is >=200 orders, and said silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 6-12/100.
As optimization, said silicon-dioxide is that the light powder material and the bicarbonate of ammonia of staple mixes the airtight preservation in back 12-24 hour.The light powder material that helps said silicon-dioxide and be staple fully adsorbs with bicarbonate of ammonia and combines acts.More preferably silicon-dioxide is that the light powder material of staple vacuumizes in advance, gets rid of the hole air, confiscate under vacuum condition with bicarbonate of ammonia again and mix, and airtight preservation 12-24 hour.It is best to increase the hole effect like this.
As optimization, said bicarbonate of ammonia or carbon ammonium lightweight silica flour mixture 40-50 before sprinkling pelleting added during second, can either guarantee fully to hold to go into composite fertilizer's melting charge, can avoid the gasification too early before granulation of carbon ammonium again as much as possible; Said bicarbonate of ammonia or carbon ammonium lightweight silica flour mixture are to join in the melting mixing groove of mixing raw material, help quick thorough mixing.Mixing raw material described here is composite fertilizer material and the auxiliary material that is used to make high tower compound fertilizer.
The high hole composite fertilizer that the method for the invention is processed is the bicarbonate of ammonia that in melting charge, adds the 0.3-0.5% weight ratio, forms through high tower pellatizer behind the mixing again.Said composite fertilizer melting charge both can be the urine base-material, also can be the nitro material.Have the porosity height, unit weight is little, and cost is low, is easy to process low nitrogen high tower compound fertilizer, is very beneficial for solving the advantage of excessive problem of fertilization.
As optimization, said bicarbonate of ammonia is evenly to sneak into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, and wherein silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 3-30/100.Silicon-dioxide is that the light powder material of staple can also play the siliceous fertilizer effect in composite fertilizer.Silicon-dioxide is that the light powder material of staple and other composition of composite fertilizer are combined in the high tower compound fertilizer jointly, and fertilizer efficiency each other also more can gain.
As optimization, said silicon-dioxide is that the light powder material of staple is swelling perlite powder or diatomite in powder.The low nitrogen high tower compound fertilizer that preferably utilizes low nitrogen composite fertilizer melting charge to process.It is good that pearlstone has sound absorbing, and water absorbability is little, and the performance that frost resistance is strong can be used as agricultural improvement soil, increases the material of soil moisture conservation.Swelling perlite powder and diatomite in powder can both be given the high tower compound fertilizer new function of improving the soil and preserve soil moisture.
Through the used composite fertilizer of evidence the inventive method and composite fertilizer melting charge promptly can be that the urine base-material also can be the nitro material.
The high tower compound fertilizer of processing comprises: N18, P5, K22; N17, P5, K23; N15, P5, K25; N26, P15, K10; N24, P10, K14; N23, P12, K10; N19, P5, K21; N23, P12, K5; N30, P5, K5; N28, P6, K6; N23, P15, K5; N26, P13, K0; N24, P10, K14; N23, P12, K10; N24, P13, K8.
After adopting technique scheme; It is low that the high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer have a cost, is easy to realize that safety is high; Be prone to process low nitrogen high tower compound fertilizer and prepared composite fertilizer porosity height; Unit weight is little, and cost is low, is very beneficial for solving the advantage of excessive problem of fertilization.
Embodiment
Embodiment one, and the high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer, and its special feature is in melting charge, to add the bicarbonate of ammonia of 0.3% weight ratio, behind the mixing again through high tower pellatizer.
Said bicarbonate of ammonia preferably before sprinkling pelleting 40-50 add during second; Said bicarbonate of ammonia is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 60-90%.
Embodiment two, and the high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer, and its special feature is in melting charge, to add the bicarbonate of ammonia of 0.5% weight ratio, behind the mixing again through high tower pellatizer.
Said bicarbonate of ammonia preferably before sprinkling pelleting 40-50 add during second; Said bicarbonate of ammonia is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 60-90%.
Embodiment three, and the high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer, and its special feature is in melting charge, to add the bicarbonate of ammonia of 0.4% weight ratio, behind the mixing again through high tower pellatizer.
Said bicarbonate of ammonia preferably before sprinkling pelleting 40-50 add during second; Said bicarbonate of ammonia is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 60-90%.
Embodiment four; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.3% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 3/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment five; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.5% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 30/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment six; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.4% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 16/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment seven; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.3% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 3/100.Said silicon-dioxide is that the light powder material of staple is person's diatomite in powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment eight; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.5% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 30/100.Said silicon-dioxide is that the light powder material of staple is a diatomite in powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment nine; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.4% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 16/100.Said silicon-dioxide is that the light powder material of staple is a diatomite in powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment ten; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.3% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 5/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment 11; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.5% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 20/100.Said silicon-dioxide is that the light powder material of staple is a diatomite in powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment 12; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.4% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 10/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment 13; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.4% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 6/100.Said silicon-dioxide is that the light powder material of staple is a diatomite in powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said bicarbonate of ammonia or carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment 14; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.3% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 12/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment 15; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.5% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 9/100.Said silicon-dioxide is that the light powder material of staple is a diatomite in powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.
Embodiment 16; The high hole of the present invention composite fertilizer's high tower pellatizer method and high hole composite fertilizer are that composite fertilizer's melting charge forms through high tower pellatizer; What its special feature was in melting charge to add 0.4% weight ratio evenly sneaks into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, behind the mixing again through high tower pellatizer.Silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 8/100.Said silicon-dioxide is that the light powder material of staple is a swelling perlite powder.Said silicon-dioxide is that the fineness of the light powder material of staple is preferably 100 orders.
Said carbon ammonium lightweight silica flour mixture preferably before sprinkling pelleting 40-50 add during second; Said carbon ammonium lightweight silica flour mixture is preferably to join in the melting mixing groove of mixing raw material.The composite fertilizer of processing is: N18; P5; K22, N17; P5; K23, N15; P5; Three kinds of K25.Can improve porosity 80-90%.More than all embodiment also carried out as follows further improving, that is: said silicon-dioxide is that the light powder material of staple mixes airtight preservations in back 12-24 hour with bicarbonate of ammonia, increases the hole like this through evidence and acts on better.More preferably silicon-dioxide is that the light powder material of staple vacuumizes in advance, gets rid of the hole air, confiscate under vacuum condition with bicarbonate of ammonia again and mix, and airtight preservation 12-24 hour.Through evidence: it is best that the carbon ammonium lightweight silica flour mixture of handling like this increases the hole effect.
Annotate listed above-mentioned 16 embodiment, promptly adopt the urea-base compound fertilizer melting charge, also adopt the nitro-compound fertilizer melting charge.
Except 16 above-mentioned three kinds exceptions, the inventor has also done the test arranged side by side of following high tower compound fertilizer kind according to above-mentioned 16 routine implementation conditions: N26, P15, K10; N24, P10, K14; N23, P12, K10; N19, P5, K21; N23, P12, K5; N30, P5, K5; N28, P6, K6; N23, P15, K5; N26, P13, K0; N24, P10, K14; N23, P12, K10; N24, P13, K8.Be that every kind of high tower compound fertilizer kind is done 32 examples (urine base and nitro) according to above-mentioned 16 routine conditions separately separately, the result can both improve the porosity of 60-90% on the prior art basis, list no longer one by one here, specifies.
Claims (10)
1. one kind high hole composite fertilizer high tower pellatizer method, composite fertilizer's melting charge forms through high tower pellatizer, it is characterized in that in melting charge, adding the bicarbonate of ammonia of 0.3-0.5% weight ratio, behind the mixing again through high tower pellatizer.
2. according to the said high tower pellatizer method of claim 1; It is characterized in that said bicarbonate of ammonia is evenly to sneak into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, wherein silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 3-30/100.
3. according to the said high tower pellatizer method of claim 2, it is characterized in that said silicon-dioxide is that the light powder material of staple is swelling perlite powder or diatomite in powder.
4. according to claim 2 or 3 said high tower pellatizer methods, it is characterized in that said silicon-dioxide is that the fineness of the light powder material of staple is >=100 orders; Said silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 5-20/100.
5. according to the said high tower pellatizer method of claim 4, it is characterized in that said silicon-dioxide is that the fineness of the light powder material of staple is >=200 orders, said silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 6-12/100.
6. according to the said high tower pellatizer method of claim 4, it is characterized in that said silicon-dioxide is that the light powder material and the bicarbonate of ammonia of staple mixes the airtight preservation in back 12-24 hour.
7. according to claim 1 or 2 or 3 said high tower pellatizer methods, it is characterized in that said bicarbonate of ammonia or carbon ammonium lightweight silica flour mixture 40-50 before sprinkling pelleting added during second; Said bicarbonate of ammonia or carbon ammonium lightweight silica flour mixture are to join in the melting mixing groove of mixing raw material.
8. the said method of the claim 1 high hole composite fertilizer of processing is characterized in that in composite fertilizer's melting charge, adding the bicarbonate of ammonia of 0.3-0.5% weight ratio, forms through high tower pellatizer behind the mixing again.
9. said according to Claim 8 high hole composite fertilizer; It is characterized in that said bicarbonate of ammonia is evenly to sneak into the carbon ammonium lightweight silica flour mixture that silicon-dioxide is the light powder material of staple, wherein silicon-dioxide is that the light powder material of staple and the weight ratio of bicarbonate of ammonia are 3-30/100.
10. according to the said high hole of claim 9 composite fertilizer, it is characterized in that said silicon-dioxide is that the light powder material of staple is swelling perlite powder or diatomite in powder.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1473808A (en) * | 2003-08-07 | 2004-02-11 | 周建军 | Process for producing high concentration azophoska compound fertilizer by tower type pelletizing |
| CN1762923A (en) * | 2005-09-13 | 2006-04-26 | 临沂市史丹利化肥有限公司 | Melt slime granulating composite fertilizer and its production method |
| CN102276362A (en) * | 2011-07-28 | 2011-12-14 | 吴金华 | high-concentration compound fertilizer |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1473808A (en) * | 2003-08-07 | 2004-02-11 | 周建军 | Process for producing high concentration azophoska compound fertilizer by tower type pelletizing |
| CN1762923A (en) * | 2005-09-13 | 2006-04-26 | 临沂市史丹利化肥有限公司 | Melt slime granulating composite fertilizer and its production method |
| CN102276362A (en) * | 2011-07-28 | 2011-12-14 | 吴金华 | high-concentration compound fertilizer |
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