CN110404479A - Prepare system and method, the coronal fertiliser granulates of coronal fertiliser granulates - Google Patents
Prepare system and method, the coronal fertiliser granulates of coronal fertiliser granulates Download PDFInfo
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- CN110404479A CN110404479A CN201810403515.4A CN201810403515A CN110404479A CN 110404479 A CN110404479 A CN 110404479A CN 201810403515 A CN201810403515 A CN 201810403515A CN 110404479 A CN110404479 A CN 110404479A
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- coronal
- fertiliser granulates
- preparing
- recessed portion
- lug boss
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 124
- 239000008187 granular material Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 238000007599 discharging Methods 0.000 claims description 54
- 239000002002 slurry Substances 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 8
- 230000004927 fusion Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000002686 phosphate fertilizer Substances 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000003075 superhydrophobic effect Effects 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 240000002636 Manilkara bidentata Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 235000016302 balata Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/26—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic on endless conveyor belts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of systems for preparing coronal fertiliser granulates, it is characterized in that, the system for preparing coronal fertiliser granulates includes drop forming device and cooling equipment, and the drop forming device is for providing drop, and the cooling equipment is for drop to be cooled and shaped；The cooling equipment includes cooling conveyer belt, the cooling conveyer belt surface is equipped with coarse structure, the coarse structure includes that one of the first lug boss and the first recessed portion or two kinds combine, and the size of first lug boss and first recessed portion belongs to micron level.The present invention also provides a kind of coronal fertiliser granulates and the method for preparing coronal fertiliser granulates.Fertilizer drop can be made to be cooled into coronal fertiliser granulates in the system provided by the invention for preparing coronal fertiliser granulates, the coarse structure on cooling conveyer belt surface can be such that the coronal fertiliser granulates being cooled and shaped smoothly peel off from transmission belt surface.
Description
Technical field
The present invention relates to technical field of fertilizers, and in particular to a kind of system and method for preparing coronal fertiliser granulates, coronal
Fertiliser granulates.
Background technique
Existing fertilizer is essentially all based on spheric granules fertilizer, this is primarily due to the method base for producing fertilizer at present
It originally is to be produced using high-tower granulation, so-called high-tower granulation is using raw materials such as the urea of melting and phosphorus, potassium, in well-mixed feelings
Mixed slurry is made under condition, from high tower top spray and under, mixed slurry drop from high tower during declining, and from tower bottom
The air drag interaction risen, is cooled into granulated fertilizer after carrying out heat exchange with it, drops to tower bottom, then screened processing
After obtain granular complex fertilizer.Purpose using high-tower granulation is to be cooled into fertilizer drop during the eminence decline
Grain, but the construction and maintenance of high tower need biggish cost at present, and Environmental Inputs are larger, high tower changed into low tower, due to low
The limitation of tower height degree, the cooling of fertilizer drop is not exclusively or fertilizer standard is not achieved in the particle of formation, and therefore, urgent need develops one kind
New fertilizer production method avoids above-mentioned technical problem.
Summary of the invention
In view of this, the present invention provides a kind of system that can prepare coronal fertiliser granulates, specific technical solution is for example following
It is described.
A kind of system preparing coronal fertiliser granulates, the system for preparing coronal fertiliser granulates includes drop forming device
With cooling equipment, the drop forming device is for providing drop, and the cooling equipment is for drop to be cooled and shaped；It is described cold
But equipment includes cooling conveyer belt, and the cooling conveyer belt surface is equipped with coarse structure, and the coarse structure includes the first protrusion
The size of one of portion and the first recessed portion or two kinds of combinations, first lug boss and first recessed portion belongs to micro-
Meter level is other.
Preferably, first lug boss and the setting of first recessed portion interval.
Preferably, the size of first lug boss and first recessed portion is between 1 micron to 1000 microns, preferably
, the size of first lug boss and first recessed portion is between 10 microns to 1000 microns.
Preferably, the cooling conveyer belt surface is additionally provided with one of the second lug boss and the second recessed portion or two kinds
In conjunction with the area of second lug boss is greater than first lug boss, and the area of second recessed portion is greater than described first
Recessed portion.
Preferably, the length of second lug boss in a first direction is 1-20 millimeters, and second lug boss is the
Length on two directions is 1-20 millimeters, and the first direction is the length direction of the cooling conveyer belt, the second direction
For the width direction of the cooling conveyer belt, the first direction is vertical with the second direction；Second recessed portion is in institute
Stating the length on first direction is 1-20 millimeters, and the length of second recessed portion in this second direction is 1-20 millimeters.
Preferably, the height of second lug boss is 0.1-2 millimeters, and the depth of second recessed portion is 0.1-2 milli
Rice.
Preferably, the drop forming device includes discharge nozzle and discharging ring；The discharge nozzle be hollow structure, it is described go out
Expects pipe includes discharging tube body and multiple nozzles, and the discharging tube body includes feed inlet, sealing end and tube wall, the tube wall setting
Between the feed inlet and the sealing end, the nozzle is arranged on the tube wall, and the nozzle is mutually passed through with the feed inlet
It is logical；The discharging ring includes discharging ring body, and the discharging ring body is tubular hollow structure, is arranged in the discharging ring body
There are multiple discharge holes, the discharge nozzle is arranged inside the discharging ring and with discharging ring separately, and the discharging ring can enclose
It is rotated around the discharge nozzle.
Preferably, the nozzle is 0.5-20 millimeters at a distance from the discharging ring body.
The present invention also provides the coronal fertilizer of preparation described in the system for preparing coronal fertiliser granulates described in a kind of any of the above-described
Expect particle.
The present invention also provides a kind of method for preparing coronal fertiliser granulates, the method packet for preparing coronal fertiliser granulates
It includes:
Fertilizer slurry is formed into drop by drop forming device；
Drop, which falls into be cooled and shaped on cooling conveyer belt surface, obtains coronal fertiliser granulates.
Beneficial effects of the present invention: fertilizer drop can be made cold in the system provided by the invention for preparing coronal fertiliser granulates
But coronal fertiliser granulates are formed, the coarse structure on cooling conveyer belt surface can make the coronal fertiliser granulates being cooled and shaped from biography
Belt surface is sent smoothly to peel off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the system for preparing coronal fertiliser granulates that first embodiment of the invention provides.
The structure of cooling conveyer belt is shown in the system for preparing coronal fertiliser granulates that Fig. 2 provides for first embodiment of the invention
It is intended to.
The structure of cooling conveyer belt is shown in the system for preparing coronal fertiliser granulates that Fig. 3 provides for second embodiment of the invention
It is intended to.
Fig. 4 is the structural schematic diagram of drop forming device provided by the invention.
Fig. 5 is the structural schematic diagram of the A-A sectional view in Fig. 4.
Fig. 6 is the method flow diagram provided by the invention for preparing coronal fertiliser granulates.
Specific embodiment
The following is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.Description and claims of this specification and term " first " in the attached drawing, " second " etc.
It is to be not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and they are any
Deformation, it is intended that cover and non-exclusive include.Such as contain the process, method, system, product of a series of steps or units
Or equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or can
Selection of land further includes the other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of system 10 for preparing coronal fertiliser granulates, described to prepare coronal fertilizer
The system 10 for expecting particle includes drop forming device 100 and cooling equipment 200, and drop forming device 100 is cold for providing drop
But equipment 200 is for drop to be cooled and shaped.The cooling equipment 200 includes cooling conveyer belt 210, the cooling conveyer belt
210 surfaces are equipped with coarse structure 211, and the coarse structure 211 includes in the first lug boss 2111 and the first recessed portion 2112
The size of one or two kinds of combination, first lug boss 2111 and first recessed portion 2112 belongs to micron level.It can
With understanding, the coarse structure 211 that the first lug boss 2111 and the first recessed portion 2112 of micron level are constituted has micro-
The other roughness of meter level, drop are fallen on the transmission belt surface with the coarse structure, are formed by particle and are easy to from conveyer belt
Surface falls off.Since fertilizer itself has certain viscosity, after being cooled and shaped on transmission belt surface, fertilizer is sticky in transmission
Belt surface is not easily to fall off, or while falling off can destroy the integrity degree of fertiliser granulates, and then reduce the cohesive force of fertiliser granulates surface,
The problems such as will cause easy dusting agglomeration in subsequent packages or transportational process, therefore using in system provided by the invention
Cooling conveyer belt is able to solve the above problem.
It is understood that the first lug boss 2111 can be only included in the coarse structure 211 (as shown in A in Fig. 2)
Perhaps it only includes first the first lug boss 2111 of recessed portion 2112 (as shown in B in Fig. 2) or the first recessed portion 2112 is transmitting
Belt surface random can be arranged, but in order to reach better effect, be arranged using systematicness.It is understood that the
One lug boss 2111 or 2112 shape of the first recessed portion can be, but not limited to be it is semicircle, triangular prism shaped, rectangular, more can be
Irregular shape.
It is understood that the cooling conveyer belt can be steel band or balata belt or other organic belts.
In a further embodiment, first lug boss 2111 and first recessed portion 2112 interval are arranged (such as
In Fig. 2 shown in C).A, B, C in Fig. 2 are enlarged drawing of the cooling conveyer belt 210 at X, it is to be understood that coarse structure 211
Above-mentioned three kinds of arrangement architectures are not limited to, can also be random arrangement architecture.
It is understood that coarse structure 211 is made of super-hydrophobic oleophobic material, that is, 2111 He of the first lug boss
First recessed portion 2112 is that super-hydrophobic oleophobic material is made, and is had after being dropped in fertilizer solution on cooling conveyer belt surface larger
Surface tension, the fertiliser granulates after cooling and shaping are easy to fall off.It is understood that the fertiliser granulates prepared using this system
In coronal grain structure, wherein coronal grain structure includes coronal and bottom, bottom, which refers to, falls in cooling conveyer belt in drop
The position contacted after forming on surface with cooling conveyer belt surface, coronal refer to that drop is not contacted with cooling conveyer belt surface
Position, since drop is in uncolled preceding liquid character, so that the part not in contact with cooling conveyer belt surface is being cooled and shaped
After form coronal structure.
In a further embodiment, the size of the first lug boss 2111 and the first recessed portion 2112 is at 1 micron to 1000
Between micron, it is preferred that the size of the first lug boss 2111 and the first recessed portion 2112 is between 10 microns to 1000 microns, more
Preferably between 10 microns to 500 microns.It is understood that the size refers to the first lug boss 2111 or first
The maximum distance of any point-to-point transmission on the boundary of recessed portion 2112.It can make the coarse of coarse structure under above-mentioned size class
Degree reaches 100 microns or more, keeps fertiliser granulates falling-off effect on cooling conveyer belt surface more preferable.It is understood that cooling
The surface roughness of conveyer belt cannot be excessive, excessive to will lead to that drop is fallen into the first recessed portion of coarse structure or first is convex
In pit between the portion of rising, therefore the size of above-mentioned first lug boss 2111 and the first recessed portion 2112 is convenient.
Referring to Fig. 3, in a further embodiment, 210 surface of cooling conveyer belt is additionally provided with the second lug boss 212
With one of the second recessed portion 213 or two kinds of combinations.Second lug boss 212 and the second recessed portion 213 are for falling drop
The preferably coronal fertiliser granulates of sphericity are formed after on cooling conveyer belt surface.For example, transmission belt surface is all arranged to week
When the second recessed portion 213 of phase property arrangement, when drop falls in the position with the second recessed portion 213, coronal fertiliser granulates
Bottom is formed in the shape of similar second recessed portion 213, and then makes the sphericity for increasing bottom.Or transmission belt surface is whole
When being arranged to the second lug boss 212 of periodic arrangement, pit is formed between adjacent second lug boss 212, due to depositing for pit
Spherical preferable coronal fertiliser granulates can be formed making drop equally.The area of second lug boss 212 is greater than described the
The area of one lug boss 2111, second recessed portion 213 is greater than first recessed portion 2112, that is to say, that the second protrusion
Portion 212 and the first lug boss 2111 make it have different functions because of the of different sizes of area.
In a further embodiment, the length on a is 1-20 millimeters to second lug boss 212 in a first direction, institute
Stating the length of the second lug boss 212 in a second direction is 1-20 millimeters, and the first direction a is the cooling conveyer belt 210
Length direction, the second direction be the cooling conveyer belt 210 width direction, the first direction a and described second
Direction is vertical.Referring to Fig. 1, the cooling equipment 200 further includes driving wheel 220 and driven wheel 230, cooling conveyer belt 210 is set
It sets in the periphery of driving wheel 220 and driven wheel 230, driving wheel 220 and driven wheel 230 drive cooling conveyer belt 210 to rotate, will
Coronal fertiliser granulates on cooling conveyer belt transport in collection device 300.It is understood that cooling conveyer belt 210 is from master
Driving wheel 220 can regard first direction a, that is, the length direction of cooling conveyer belt 210 as to the direction that driven wheel 230 moves.
Length of second recessed portion 213 on the first direction a is 1-20 millimeters, and second recessed portion 213 is described the
Length on two directions is 1-20 millimeters.The length refers to that the second lug boss 212 or the boundary of the second recessed portion 213 are taken up an official post
The maximum distance of meaning point-to-point transmission.Preferably, the length on a is 2-10 millimeters to the second recessed portion 213 in a first direction, and second is recessed
The length of concave portion 213 in a second direction is 2-10 millimeters.The coronal fertiliser granulates formed within the above range are of moderate size, ball
Shape degree is preferable.
In a further embodiment, the height of second lug boss 212 is 0.1-2 millimeters, second recessed portion
213 depth is 0.1-2 millimeters.The coronal fertiliser granulates formed within this range not only good sphericity, and be easy from second
It is backing out in recessed portion 213 or pit.
It is understood that due to the size of the first lug boss 2111 and the first recessed portion 2112 and the second lug boss 212
Larger with the size class difference of the second recessed portion 213, the invention also includes coarse structure 211 is arranged in the second lug boss
212 or second recessed portion 213 surface.For example, coarse structure 211 is arranged on the surface of the second recessed portion 213, please join
Read the enlarged drawing in Fig. 3 at Y, due to the second recessed portion 213 have certain depth, fertiliser granulates from it is wherein backing out when have
There is certain resistance, using the preferably coronal fertiliser granulates of the setting for combining the two structure not only available sphericity, but also can
So that coronal fertiliser granulates are smoothly backing out from the second recessed portion 213.
Fig. 4 and Fig. 5 are please referred to, in a further embodiment, the drop forming device 100 includes 1100 He of discharge nozzle
Discharging ring 1200.The discharge nozzle 1100 is hollow structure, and the discharge nozzle 1100 includes discharging tube body 1110, nozzle
1120.The discharging tube body 1110 includes feed inlet 1112, sealing end 1113 and tube wall 1111, the feed end 1112 and described
Sealing end 1113 is oppositely arranged, and the setting of tube wall 1111 is between the feed inlet 1112 and the sealing end 1113, the nozzle
1120 are arranged on the tube wall 1111, and the nozzle 1120 connects with the feed inlet 1112.It is offered in nozzle 1120
First discharge hole 1121 of periodic arrangement, feed inlet 1112 connect with the first discharge hole 1121.The discharge nozzle 1100
For accommodating and transmitting slurry, slurry is transported in discharge nozzle 1100 hollow structure in delivery pump or under gravity,
And it is sprayed from the first discharge hole 1121.One end of the discharging tube body makes the slurry from charging using 1113 setting of sealing end
After mouth 1112 is passed through, transmitted in the pipeline of discharging tube body 1110, when the slurry is transferred to the sealing end 1113, due to
The inhibition of sealing end 1113, the slurry with pressure and speed be extruded in sealing end with formed after biggish pressure and speed from
First discharge hole 1121 squeezes out.1113 setting of sealing end can increase the pressure and speed of slurry, or same
Pressure and rate request under can reduce the power of delivery pump.The discharge nozzle 1100 can be circle, ellipse etc..
It is understood that the center or off-centered position of the discharging ring 1200 is arranged in the discharge nozzle 1100
It sets.Preferably, the discharge nozzle 1100 is from the direction of nozzle 1120 is equipped with close to the discharging ring body 1210, that is to say, that
The axial line (not shown) of the discharging ring 1200 is not overlapped with the axial line 1114 of the discharge nozzle 1100, and the discharge nozzle
1100 axial line 1114 compared to the discharging ring 1200 axial line close to the nozzle 1120.The discharging ring can be shortened
1200 at a distance from 1100 phase of discharge nozzle cutting, so that the discharging ring 1200 cuts the tool squeezed out from nozzle 1120
There is the slurry of larger speed.
It is understood that the tubular hollow structure refers to that intermediate is hollow tubular structure.Preferably, the discharging
Ring body 1210 can be, but not limited to as cylindrical hollow structure, polygon prism cylindrical structure.It is understood that the discharging ring
1200 can refer to that the discharging ring 1200 itself can surround the axial line of discharging ring around the discharge nozzle 1100 rotation
1114 rotations, it may also be said to be 1200 rotation of discharging ring.It is noted that not having in discharging ring body 1210 in Fig. 4
The second discharge hole 1220 is seen, this is because the discharging ring body 1210 is rotated in the sectional view of certain position and do not presented
Second discharge hole 1220 can carrying out sectional view parsing when the discharging ring body 1210 rotates to another angle
Discharge hole 1200 is presented, the second discharge hole 1220 in the ring body 1210 that discharges can refer to shown in Fig. 5.
When system work, slurry is transported in discharge nozzle 1100, is gathered in discharging tube body 1110, and pass through
Logical nozzle 1120 related to discharging tube body 1110 squeezes out.During the work time, the discharging ring body 1210 is ceaselessly enclosed
It is rotated around the discharge nozzle 1100, the discharging ring sheet that the slurry squeezed out from the first discharge hole 1121 in nozzle 1120 is rotated again
The second discharge hole 1220 cutting on body 1210, forms drop, wherein the direction that cuts off and slurry are from the direction that nozzle sprays
It is perpendicular.The slurry squeezed out from nozzle 1120 is by the second discharge hole 1220 in discharging ring 1210, due to the second discharge hole
1220 are ceaselessly rotating with discharging ring body 1210, and slurry is when passing through the second discharge hole 1220 substantially by the second discharging
Hole 1220 is cut off, therefore forms drop.The drop come out from the second discharge hole 1220 is fallen on the surface of cooling conveyer belt 210
Cooling, cooling conveyer belt 210 moves under the action of driving wheel and driven wheel, and drop is cooling in moving process, last coronal
Fertiliser granulates are fallen into collection device 300 in the edge of driven wheel from the surface of cooling conveyer belt 210.It is understood that
The slurry can be fertilizer slurry, be also possible to other slurries for needing to be transformed into drop.The fertilizer slurry refers to nitrogen
One of fertilizer, phosphate fertilizer, potash fertilizer, middle trace element fertilizer, organic carbon fertilizer, microorganism fertilizer etc. or it is a variety of be mixed to form fertilizer slurry,
The mode wherein mixed can be level-one mixing, be also possible to second level mixing, three-level mixing etc., it is to be understood that fertilizer material
The conditions such as slurry mixed sequence, temperature, pH value are unlimited, can require to carry out according to the characteristic and mixing of the material composition of fertilizer slurry
Adjustment.
Referring to Fig. 5, discharge nozzle 1100 further includes material-homogenating device 1130, the material-homogenating device in the embodiment of one step of progress
1130 are arranged between the nozzle 1120 and the discharging ring 1200, and the material-homogenating device 1130 offers and the feed inlet
The aperture of the 1112 refining outlets 1131 to connect, the refining outlet 1131 is less than the aperture of first discharge hole 1121.
It is understood that the aperture of refining outlet is 0.5-10 millimeters.Material-homogenating device is being discharged by buckle or welding manner setting
Guan Shang, preferred embodiment are to be tightly connected with discharging tube wall.
In further embodiment, the direction that the nozzle 1120 is open is within the scope of vertically positive and negative 45 degree.It can
With understanding, the slurry can spray after nozzle 1120 along direction vertically downward, can also be with vertical direction
Direction within the scope of 45 degree to the left or within the scope of 45 degree to the right with vertical direction sprays.The nozzle 1120 and the discharging
The distance of ring body 1210 is 0.5-20 millimeters.It is understood that the nozzle 1120 and the discharging ring body 210 are nearest
The distance between side wall be 0.5-20 millimeters.So as to pass through discharging ring body at a relatively high speed from the slurry that nozzle 1120 comes out
Discharge hole 220 on 210.
In a further embodiment, the distance between the discharge nozzle 1100 and the discharging ring 1200 are 0.5-20 milli
Rice.The drop sprayed from discharge nozzle 1100 can be had the cutting of the case where high speed apart from bottom discharge ring 1200 at this, make from
The drop that second discharge hole 1220 comes out also keeps higher speed.The discharging ring 1200 and the cooling conveyer belt 210
Distance is 3-500 millimeter, and there is the drop of fair speed, which fallen on cooling conveyer belt 210 under above-mentioned distance, can form hardness and reach
Coronal fertiliser granulates more than to 100 newton, it is preferred that hardness can be formed in the coronal fertiliser granulates of 100-200 newton.It can be with
Understand, the viscosity of the fertilizer slurry in discharge nozzle 1100 is 1000-20000 centipoise, and the pressure of fertilizer slurry is 0.3-
1.6MPa。
In a further embodiment, it is cold to be equipped with circulation for side opposite with transmission fertilizer in the cooling conveyer belt 210
But device (not shown).The cooling back installation is used for cooling conveyer belt 210.The heat exchange speed of cooling conveyer belt 210
Degree makes the drop quick refrigeration for dropping into 210 surface of cooling conveyer belt, forms the coronal fertiliser granulates that hardness is big, consistency is high.
The cooling back installation can be but be not limited to recirculated cooling water device, circulating cooling liquid nitrogen device, circulating cooling dry ice
Device.
In a further embodiment, the system 10 further includes fusion tank 400 and screening plant 500.The fusion tank
400 are connect with the drop forming device 100 by pressure pump 600.Under the action of pressure pump 600, by the fusion tank 400
In fertilizer slurry be transported in drop forming device 100.The collection device 300 is connect with cooling conveyer belt 210, Cong Suoleng
But the coronal fertiliser granulates come out in conveyer belt 210 enter in the collection device 300.The screening plant 500 and the receipts
Acquisition means 300 connect, and for sieving coronal fertiliser granulates, obtain the uniformity preferably coronal fertiliser granulates.
In a further embodiment, the system 10 further includes charger 700 and crusher 800, the crusher 800
It is connect with the fusion tank 400 by conveyor belt.After fertilizer material is added to the charger 800, broken in crusher 800
It is broken, then broken fertilizer material is transported in fusion tank 400 by conveyor belt and carries out high-temperature fusion.
The present invention also provides the hats that preparation described in the system of coronal fertiliser granulates is prepared described in a kind of any of the above-described embodiment
Shape fertiliser granulates.Wherein the hardness of coronal fertiliser granulates is 100-200 newton.Coronal fertiliser granulates have solubility big, and absorb water
The low characteristic of property.
Referring to Fig. 6, the present invention also provides a kind of method for preparing coronal fertiliser granulates, it is described to prepare coronal fertiliser granulates
Method include step S100 and step S200.Detailed step is as described below.
Fertilizer slurry is formed drop by drop forming device 100 by step S100.
In further embodiment, the structure such as the structure in above-described embodiment of the drop forming device, wherein described
The aperture of first discharge hole is 0.5-5 millimeters, and the aperture of second discharge hole is 0.5-20 millimeters.Discharging ring goes out described in
The revolving speed of expects pipe rotation is 30-300r/min.Even particle size can be reached within this range and meet fertilizer production standard
Granulated fertilizer.Preferably, aperture of the aperture of the first discharge hole less than the second discharge hole.So that fertilizer slurry is discharged in time,
It avoids overstocking.Preferably, the aperture of second discharge hole is 0.6-20 millimeters.
Step S200, drop, which falls into be cooled and shaped on 210 surface of cooling conveyer belt, obtains coronal fertiliser granulates.Cooling transmission
The structure of band is as described in above example.
In further embodiment, the method for preparing coronal fertiliser granulates further include step S100-a, step S100-b and
Step S100-c.
Fertilizer material is crushed by step S100-a in crusher.
Wherein the fertilizer material can be nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, middle trace element fertilizer, organic carbon fertilizer, microorganism fertilizer etc.
One of or the mixing of a variety of raw material, level-one mixing can may be selected, be also possible to according to the different characteristics of various fertilizer materials
Second level mixing, three-level mixing etc..
Broken fertilizer material is transported in fusion tank and melts by step S100-b.It is understood that can be according to not
It is adjusted with sequence, temperature, pH value of the fertilizer material to melting.
Fertilizer slurry after melting is transported in drop forming device 100 by step S100-c in the effect of pressure pump.
It is understood that the pressure of fertilizer slurry can be conveyed according to the different viscositys in different fertilizer ingredient, pressure pump
The adjustment of usability.Preferably, the viscosity of fertilizer slurry is 1000-20000 centipoise, and the pressure of fertilizer slurry is 0.3-
1.6MPa。
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of system for preparing coronal fertiliser granulates, which is characterized in that the system for preparing coronal fertiliser granulates includes liquid
Drop forms device and cooling equipment, and the drop forming device is used for drop is cooling for providing drop, the cooling equipment
Molding；The cooling equipment includes cooling conveyer belt, and the cooling conveyer belt surface is equipped with coarse structure, the coarse structure packet
One of the first lug boss and the first recessed portion or two kinds of combinations are included, first lug boss and first recessed portion
Size belongs to micron level.
2. preparing the system of coronal fertiliser granulates as described in claim 1, which is characterized in that first lug boss and described
The setting of first recessed portion interval.
3. preparing the system of coronal fertiliser granulates as described in claim 1, which is characterized in that first lug boss and described
The size of first recessed portion is between 1 micron to 1000 microns.
4. preparing the system of coronal fertiliser granulates as described in claim 1, which is characterized in that the cooling conveyer belt surface is also
It is combined equipped with one of the second lug boss and the second recessed portion or two kinds, the area of second lug boss is greater than described the
The area of one lug boss, second recessed portion is greater than first recessed portion.
5. preparing the system of coronal fertiliser granulates as claimed in claim 4, which is characterized in that second lug boss is first
Length on direction is 1-20 millimeters, and the length of second lug boss in a second direction is 1-20 millimeters, the first party
To the length direction for the cooling conveyer belt, the second direction be the cooling conveyer belt width direction, described first
Direction is vertical with the second direction；The length of second recessed portion in said first direction is 1-20 millimeters, described the
The length of two recessed portions in this second direction is 1-20 millimeters.
6. preparing the system of coronal fertiliser granulates as claimed in claim 5, which is characterized in that the height of second lug boss
It is 0.1-2 millimeters, the depth of second recessed portion is 0.1-2 millimeters.
7. preparing the system of coronal fertiliser granulates as described in claim 1, which is characterized in that the drop forming device includes
Discharge nozzle and discharging ring；The discharge nozzle is hollow structure, and the discharge nozzle includes discharging tube body and multiple nozzles, it is described go out
Expects pipe ontology includes feed inlet, sealing end and tube wall, and the tube wall is arranged between the feed inlet and the sealing end, the nozzle
It is arranged on the tube wall, the nozzle connects with the feed inlet；The discharging ring includes discharging ring body, the discharging
Ring body is tubular hollow structure, is provided with multiple discharge holes in the discharging ring body, the discharge nozzle setting it is described out
Expect inside ring and with discharging ring separately, the discharging ring can be rotated around the discharge nozzle.
8. preparing the system of coronal fertiliser granulates as claimed in claim 7, which is characterized in that the nozzle and the discharging ring
The distance of ontology is 0.5-20 millimeters.
9. it is a kind of prepare the system of coronal fertiliser granulates as described in claim any one of 1-8 as described in preparation coronal fertilizer
Grain.
10. a kind of method for preparing coronal fertiliser granulates, which is characterized in that the method for preparing coronal fertiliser granulates includes:
Fertilizer slurry is formed into drop by drop forming device；
Drop, which falls into be cooled and shaped on cooling conveyer belt surface, obtains coronal fertiliser granulates.
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| CN201810403515.4A CN110404479A (en) | 2018-04-28 | 2018-04-28 | Prepare system and method, the coronal fertiliser granulates of coronal fertiliser granulates |
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