CN107382481A - A kind of preparation technology of moderate-element fertilizer - Google Patents
A kind of preparation technology of moderate-element fertilizer Download PDFInfo
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- CN107382481A CN107382481A CN201710646743.XA CN201710646743A CN107382481A CN 107382481 A CN107382481 A CN 107382481A CN 201710646743 A CN201710646743 A CN 201710646743A CN 107382481 A CN107382481 A CN 107382481A
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- moderate
- preparation technology
- element fertilizer
- coating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- 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
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
Abstract
The invention discloses a kind of preparation technology of moderate-element fertilizer of composite heat transfer technical field, comprise the following steps：Mixing, granulation, drying, coating, sieving and packaging, the preparation technology of the moderate-element fertilizer comprise the following steps that：S1：Mix：S2：It is granulated：S3：Dry：S4：Coating：S5：Sieving：S6：Packaging, the present invention passes through film-coating technique, a variety of middle trace elements needed for plant growth are produced in each granule product, the defects of a variety of middle trace elements can not coexist can not be solved by breaching traditional handicraft, product is provided a variety of nutriments simultaneously, be made for thing general equilibrium and absorb nutrient, when being used in mixed way with other npk fertilizers, be not in the anti-phenomenon of nutrient tangerine, avoid single certain nutrient of supplement and caused by make that object Nutrient Absorption is unbalance and intoxicating phenomenon.
Description
Technical field
The present invention relates to composite heat transfer technical field, specially a kind of preparation technology of moderate-element fertilizer.
Background technology
The rapid expansion of world population and the rapid raising of human living standard, people need to obtain than the past from soil
The various crop products such as more grain, cotton, oil, dish and fruits.Middle trace element in soil is as other elements, with can not
Meet this needs increased rapidly.A large amount of uses of the macroelements such as N P and K, more exacerbate the destruction of this original equilibrium,
The mankind only try to supplement increasingly poor middle trace element to soil, are only possible to maintain this balance, to ensure that soil can be made
Enough middle trace elements are provided for the normal growth and development of crop.So appropriate in time applies secondary and micro-element fertilizers, Cheng Liao
Maintain the important means of this balance.
In process of production, cost is high, and energy consumption is big for existing secondary and micro-element fertilizers, and granulation is uneven, is carrying out machinery
During fertilising, choking phenomenon easily occurs, to be come into operation therefore, we have proposed a kind of preparation technology of secondary nutrients, with
Solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of preparation technology of moderate-element fertilizer, to solve to propose in above-mentioned background technology
Secondary and micro-element fertilizers in process of production, cost is high, and energy consumption is big, is granulated uneven, when carrying out mechanical fertilization, easily sends out
The problem of raw choking phenomenon.
To achieve the above object, the present invention provides following technical scheme：A kind of preparation technology of moderate-element fertilizer, including with
Lower step：Mixing, granulation, drying, coating, sieving and packaging, the preparation technology of the moderate-element fertilizer comprise the following steps that：
S1：Mix：10-12% calcium carbonate, 5-7% magnesium, 2-4% zinc, 0.2-0.4% cupric oxide, 1.4-1.6% are added in retort
Manganese oxide and 0.9-1.1% boron, a certain proportion of water and sulfuric acid are then added, be stirred the content control of mixing, wherein sulfuric acid
Within 10%；
S2：It is granulated：Binding agent is added in the material got ready, is sent into by conveyer belt in comminutor, using in comminutor
The vapours that steam jet sprays makes material moist, and is rolled in the roller in comminutor, makes materials from bonding reunion granulating, its
The rotating speed of middle roller is 200-300r/min；
S3：Dry：Material after granulation is delivered in drying machine by conveyer belt, wherein the inlet gas temperature control of drying machine
For system at 145-165 °, inlet gas flow is 1000-1200m3/h；
S4：Coating：It is sent into by dried material in coating cylinder, the thing by the shower nozzle at drum inlet to cylinder interior
Expect coating film clothing, in the rotary movement of cylinder, film clothing is constantly collided with material, the continuous fill material of film clothing powder
In the crackle on surface, make material particles round and smooth, surfacing is glossy；
S5：Sieving：Material after coating is sent into the screen cloth that shakes and sieved, filters out the underproof material of particle diameter and unnecessary powder
End, and be sent in step S2 and be granulated again；
S6：Packaging：Particle diameter and the standard compliant material of humidity is filling in packaging bag by bottle placer, entered using sealing machine
Row sealing, completes packaging.
Preferably, in the step S2, binding agent is the mixing of plant amylum, phosphate, oxidant, coupling agent and water
Thing, wherein plant amylum：Phosphate：Oxidant：Coupling agent：Water=45:5:3:7:40.
Preferably, the coupling agent is the mixture of glyoxal, glutaraldehyde, acrylamide and methacrylic acid, wherein second
Dialdehyde：Glutaraldehyde：Acrylamide：Methacrylic acid=0.9:1.2:0.7:1.4:0.8.
Preferably, in the step S3, drying machine is designed using combined type flight, and wherein the helical angle of flight is 30-
50 °, the material in drying machine is set to lower the curtain uniformly, the rotating speed of drying is 10-15n/rmin.
Preferably, in the step S4, coating cylinder is rolled by steel plate to be formed, and cylinder inner wall, which is lined with, has bent welding fabrication
PVC-U cylinder, between steel plate cylinder and PVC-U cylinder with stainless steel countersunk head screw connect, its light plate circle
The angle of a diameter of 1.2-1.5m, length 4-4.3m, linear velocity 1.1-1.3m/s of cylinder, cylinder and horizontal plane is 9-11 °.
Preferably, the film clothing is mixed by machine oil, ashes and calcium and magnesium phosphorus powder.
Preferably, in the step S5, the screen cloth that shakes is sieved using Double-layer screen, and wherein upper screen aperture is 4-
5mm, lower screen aperture are 1.5-1.8mm, and the inclination angle for the screen cloth that shakes is 33-37 °.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by film-coating technique, by needed for plant growth
A variety of middle trace elements are produced in each granule product, and breaching traditional handicraft and can not solving a variety of middle trace elements to coexist
The defects of, product is provided a variety of nutriments simultaneously, be made for thing general equilibrium and absorb nutrient, with other npk fertilizers
Be not in the anti-phenomenon of nutrient tangerine when being used in mixed way, avoid it is single supplement certain nutrient and caused by make object Nutrient Absorption mistake
Weighing apparatus and intoxicating phenomenon.
Brief description of the drawings
Fig. 1 is workflow diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment one
A kind of preparation technology of moderate-element fertilizer, comprises the following steps：Mixing, granulation, drying, coating, sieving and packaging, in this
The preparation technology of secondary element fertilizer comprises the following steps that：
S1：Mix：10% calcium carbonate, 5% magnesium, 2% zinc, 0.2% cupric oxide, 1.4% manganese oxide and 0.9% boron are added in retort,
Then a certain proportion of water and sulfuric acid are added, is stirred mixing, the wherein content of sulfuric acid is controlled within 10%；
S2：It is granulated：Binding agent is added in the material got ready, is sent into by conveyer belt in comminutor, using in comminutor
The vapours that steam jet sprays makes material moist, and is rolled in the roller in comminutor, makes materials from bonding reunion granulating, its
The rotating speed of middle roller is 200r/min, and binding agent is the mixture of plant amylum, phosphate, oxidant, coupling agent and water, wherein
Plant amylum：Phosphate：Oxidant：Coupling agent：Water=45:5:3:7:40, coupling agent be glyoxal, glutaraldehyde, acrylamide and
The mixture of methacrylic acid, wherein glyoxal：Glutaraldehyde：Acrylamide：Methacrylic acid=0.9:1.2:0.7:1.4:0.8；
S3：Dry：Material after granulation is delivered in drying machine by conveyer belt, wherein the inlet gas temperature control of drying machine
For system at 145 °, inlet gas flow is 1000m3/h, and drying machine is designed using combined type flight, and wherein the helical angle of flight is 30 °,
The material in drying machine is set to lower the curtain uniformly, the rotating speed of drying is 10n/rmin；
S4：Coating：It is sent into by dried material in coating cylinder, the thing by the shower nozzle at drum inlet to cylinder interior
Expect coating film clothing, in the rotary movement of cylinder, film clothing is constantly collided with material, the continuous fill material of film clothing powder
In the crackle on surface, make material particles round and smooth, surfacing is glossy, and coating cylinder is rolled by steel plate to be formed, cylinder inner wall
The PVC-U cylinder for having bent welding fabrication is lined with, stainless steel countersunk head spiral shell is used between steel plate cylinder and PVC-U cylinder
Silk connects, a diameter of 1.2m of its light plate cylinder, length 4m, linear velocity 1.1m/s, and the angle of cylinder and horizontal plane is
9 °, film clothing is mixed by machine oil, ashes and calcium and magnesium phosphorus powder；
S5：Sieving：Material after coating is sent into the screen cloth that shakes and sieved, filters out the underproof material of particle diameter and unnecessary powder
End, and be sent in step S2 and be granulated again, the screen cloth that shakes is sieved using Double-layer screen, and wherein upper screen aperture is 4mm, under
Layer mesh size is 1.5mm, and the inclination angle for the screen cloth that shakes is 33 °；
S6：Packaging：Particle diameter and the standard compliant material of humidity is filling in packaging bag by bottle placer, entered using sealing machine
Row sealing, completes packaging.
Embodiment two
A kind of preparation technology of moderate-element fertilizer, comprises the following steps：Mixing, granulation, drying, coating, sieving and packaging, in this
The preparation technology of secondary element fertilizer comprises the following steps that：
S1：Mix：12% calcium carbonate, 7% magnesium, 4% zinc, 0.4% cupric oxide, 1.6% manganese oxide and 1.1% boron are added in retort,
Then a certain proportion of water and sulfuric acid are added, is stirred mixing, the wherein content of sulfuric acid is controlled within 10%；
S2：It is granulated：Binding agent is added in the material got ready, is sent into by conveyer belt in comminutor, using in comminutor
The vapours that steam jet sprays makes material moist, and is rolled in the roller in comminutor, makes materials from bonding reunion granulating, its
The rotating speed of middle roller is 300r/min, and binding agent is the mixture of plant amylum, phosphate, oxidant, coupling agent and water, wherein
Plant amylum：Phosphate：Oxidant：Coupling agent：Water=45:5:3:7:40, coupling agent be glyoxal, glutaraldehyde, acrylamide and
The mixture of methacrylic acid, wherein glyoxal：Glutaraldehyde：Acrylamide：Methacrylic acid=0.9:1.2:0.7:1.4:0.8；
S3：Dry：Material after granulation is delivered in drying machine by conveyer belt, wherein the inlet gas temperature control of drying machine
For system at 165 °, inlet gas flow is 1200m3/h, and drying machine is designed using combined type flight, and wherein the helical angle of flight is 50 °,
The material in drying machine is set to lower the curtain uniformly, the rotating speed of drying is 15n/rmin；
S4：Coating：It is sent into by dried material in coating cylinder, the thing by the shower nozzle at drum inlet to cylinder interior
Expect coating film clothing, in the rotary movement of cylinder, film clothing is constantly collided with material, the continuous fill material of film clothing powder
In the crackle on surface, make material particles round and smooth, surfacing is glossy, and coating cylinder is rolled by steel plate to be formed, cylinder inner wall
The PVC-U cylinder for having bent welding fabrication is lined with, stainless steel countersunk head spiral shell is used between steel plate cylinder and PVC-U cylinder
The angle of silk connection, a diameter of 1.5m of its light plate cylinder, length 4.3m, linear velocity 1.3m/s, cylinder and horizontal plane
For 11 °, film clothing is mixed by machine oil, ashes and calcium and magnesium phosphorus powder；
S5：Sieving：Material after coating is sent into the screen cloth that shakes and sieved, filters out the underproof material of particle diameter and unnecessary powder
End, and be sent in step S2 and be granulated again, the screen cloth that shakes is sieved using Double-layer screen, and wherein upper screen aperture is 5mm, under
Layer mesh size is 1.8mm, and the inclination angle for the screen cloth that shakes is 37 °；
S6：Packaging：Particle diameter and the standard compliant material of humidity is filling in packaging bag by bottle placer, entered using sealing machine
Row sealing, completes packaging.
Embodiment three
A kind of preparation technology of moderate-element fertilizer, comprises the following steps：Mixing, granulation, drying, coating, sieving and packaging, in this
The preparation technology of secondary element fertilizer comprises the following steps that：
S1：Mix：11% calcium carbonate, 6% magnesium, 3% zinc, 0.3% cupric oxide, 1.5% manganese oxide and 1% boron are added in retort, so
After add a certain proportion of water and sulfuric acid, be stirred mixing, wherein the content of sulfuric acid is controlled within 10%；
S2：It is granulated：Binding agent is added in the material got ready, is sent into by conveyer belt in comminutor, using in comminutor
The vapours that steam jet sprays makes material moist, and is rolled in the roller in comminutor, makes materials from bonding reunion granulating, its
The rotating speed of middle roller is 260r/min, and binding agent is the mixture of plant amylum, phosphate, oxidant, coupling agent and water, wherein
Plant amylum：Phosphate：Oxidant：Coupling agent：Water=45:5:3:7:40, coupling agent be glyoxal, glutaraldehyde, acrylamide and
The mixture of methacrylic acid, wherein glyoxal：Glutaraldehyde：Acrylamide：Methacrylic acid=0.9:1.2:0.7:1.4:0.8；
S3：Dry：Material after granulation is delivered in drying machine by conveyer belt, wherein the inlet gas temperature control of drying machine
For system at 155 °, inlet gas flow is 1100m3/h, and drying machine is designed using combined type flight, and wherein the helical angle of flight is 40 °,
The material in drying machine is set to lower the curtain uniformly, the rotating speed of drying is 13n/rmin；
S4：Coating：It is sent into by dried material in coating cylinder, the thing by the shower nozzle at drum inlet to cylinder interior
Expect coating film clothing, in the rotary movement of cylinder, film clothing is constantly collided with material, the continuous fill material of film clothing powder
In the crackle on surface, make material particles round and smooth, surfacing is glossy, and coating cylinder is rolled by steel plate to be formed, cylinder inner wall
The PVC-U cylinder for having bent welding fabrication is lined with, stainless steel countersunk head spiral shell is used between steel plate cylinder and PVC-U cylinder
The angle of silk connection, a diameter of 1.3m of its light plate cylinder, length 4.2m, linear velocity 1.2m/s, cylinder and horizontal plane
For 10 °, film clothing is mixed by machine oil, ashes and calcium and magnesium phosphorus powder；
S5：Sieving：Material after coating is sent into the screen cloth that shakes and sieved, filters out the underproof material of particle diameter and unnecessary powder
End, and be sent in step S2 and be granulated again, the screen cloth that shakes is sieved using Double-layer screen, and wherein upper screen aperture is 4.5mm,
Lower screen aperture is 1.6mm, and the inclination angle for the screen cloth that shakes is 35 °；
S6：Packaging：Particle diameter and the standard compliant material of humidity is filling in packaging bag by bottle placer, entered using sealing machine
Row sealing, completes packaging.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of preparation technology of moderate-element fertilizer, comprises the following steps：Mixing, granulation, drying, coating, sieving and packaging, its
It is characterised by：The preparation technology of the moderate-element fertilizer comprises the following steps that：
S1：Mix：10-12% calcium carbonate, 5-7% magnesium, 2-4% zinc, 0.2-0.4% cupric oxide, 1.4-1.6% are added in retort
Manganese oxide and 0.9-1.1% boron, a certain proportion of water and sulfuric acid are then added, be stirred the content control of mixing, wherein sulfuric acid
Within 10%；
S2：It is granulated：Binding agent is added in the material got ready, is sent into by conveyer belt in comminutor, using in comminutor
The vapours that steam jet sprays makes material moist, and is rolled in the roller in comminutor, makes materials from bonding reunion granulating, its
The rotating speed of middle roller is 200-300r/min；
S3：Dry：Material after granulation is delivered in drying machine by conveyer belt, wherein the inlet gas temperature control of drying machine
For system at 145-165 °, inlet gas flow is 1000-1200m3/h；
S4：Coating：It is sent into by dried material in coating cylinder, the thing by the shower nozzle at drum inlet to cylinder interior
Expect coating film clothing, in the rotary movement of cylinder, film clothing is constantly collided with material, the continuous fill material of film clothing powder
In the crackle on surface, make material particles round and smooth, surfacing is glossy；
S5：Sieving：Material after coating is sent into the screen cloth that shakes and sieved, filters out the underproof material of particle diameter and unnecessary powder
End, and be sent in step S2 and be granulated again；
S6：Packaging：Particle diameter and the standard compliant material of humidity is filling in packaging bag by bottle placer, entered using sealing machine
Row sealing, completes packaging.
A kind of 2. preparation technology of moderate-element fertilizer according to claim 1, it is characterised in that：In the step S2, glue
It is rod soil to tie agent.
A kind of 3. preparation technology of moderate-element fertilizer according to claim 2, it is characterised in that：The coupling agent is second two
Aldehyde, glutaraldehyde, the wherein mixture of acrylamide and methacrylic acid, glyoxal：Glutaraldehyde：Acrylamide：Methacrylic acid=
0.9:1.2:0.7:1.4:0.8。
A kind of 4. preparation technology of moderate-element fertilizer according to claim 1, it is characterised in that：In the step S3, do
Dry machine is designed using combined type flight, and wherein the helical angle of flight is 30-50 °, the material in drying machine is lowered the curtain uniformly, is dried
The rotating speed of cylinder is 10-15n/rmin.
A kind of 5. preparation technology of moderate-element fertilizer according to claim 1, it is characterised in that：In the step S4, bag
Film cylinder is rolled by steel plate to be formed, and cylinder inner wall is lined with the PVC-U cylinder for having bent welding fabrication, steel plate cylinder and hard
Connected between polyvinyl chloride cylinder with stainless steel countersunk head screw, a diameter of 1.2-1.5m of its light plate cylinder, length 4-
The angle of 4.3m, linear velocity 1.1-1.3m/s, cylinder and horizontal plane is 9-11 °.
A kind of 6. preparation technology of moderate-element fertilizer according to claim 1, it is characterised in that：The film clothing by machine oil,
Ashes and calcium and magnesium phosphorus powder mix.
A kind of 7. preparation technology of moderate-element fertilizer according to claim 1, it is characterised in that：In the step S5, shake
Screen cloth is sieved using Double-layer screen, and wherein upper screen aperture is 4-5mm, and lower screen aperture is 1.5-1.8mm, and shake sieve
The inclination angle of net is 33-37 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710646743.XA CN107382481A (en) | 2017-08-01 | 2017-08-01 | A kind of preparation technology of moderate-element fertilizer |
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|---|---|---|---|
| CN201710646743.XA CN107382481A (en) | 2017-08-01 | 2017-08-01 | A kind of preparation technology of moderate-element fertilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863648A (en) * | 2018-07-02 | 2018-11-23 | 南宁市英德肥业有限责任公司 | A kind of granular pattern organic fertilizer and preparation method thereof using the production of mushroom base-material |
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Application publication date: 20171124 |