CN110090596A - A kind of method and its fertiliser granulates of inclined-plane cooling granulation - Google Patents
A kind of method and its fertiliser granulates of inclined-plane cooling granulation Download PDFInfo
- Publication number
- CN110090596A CN110090596A CN201810095162.6A CN201810095162A CN110090596A CN 110090596 A CN110090596 A CN 110090596A CN 201810095162 A CN201810095162 A CN 201810095162A CN 110090596 A CN110090596 A CN 110090596A
- Authority
- CN
- China
- Prior art keywords
- plane
- slurry
- spray head
- droplet
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000003337 fertilizer Substances 0.000 title claims abstract description 34
- 238000005469 granulation Methods 0.000 title claims abstract description 32
- 230000003179 granulation Effects 0.000 title claims abstract description 32
- 239000008187 granular material Substances 0.000 title claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 125
- 239000007921 spray Substances 0.000 claims abstract description 56
- 238000002844 melting Methods 0.000 claims abstract description 31
- 230000008018 melting Effects 0.000 claims abstract description 31
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of methods of inclined-plane cooling granulation, the following steps are included: being passed through the melting charge slurry with pressure by feed pipe into spray head, melting charge slurry is sprayed from spray head, forms droplet-like slurry, spray head is for making melting charge slurry and the angled injection of horizontal direction；Droplet-like slurry is dropped down on the inclined-plane of the cooling equipment in inclined-plane and is rolled, droplet-like slurry is cooling during scrolling and forms fertiliser granulates, wherein the angle that the droplet-like slurry falls into the inclined-plane of the cooling equipment in direction and the inclined-plane on the inclined-plane is 0-15 °.The method of inclined-plane cooling granulation provided by the invention ejects inclined droplet-like slurry using spray head, and droplet-like slurry is made to be rolled, cooled down and be granulated on the inclined-plane of the cooling equipment in inclined-plane.This not only greatly reduces the height of granulation tower, reduces costs.And since droplet-like slurry is to be cooled down in the rolling, the sphericity of fertiliser granulates is preferable, and uniformly preferably, compactness is preferable, has very strong practicability.
Description
Technical field
The invention belongs to fertiliser granulates manufacturing technology fields, and in particular to a kind of method and its fertilizer of inclined-plane cooling granulation
Particle.
Background technique
Existing composite fertilizer producing process mainly has high-tower granulation, slurry-spraying pelletizing, disc granulation etc..It is asked existing for high-tower granulation
Topic is facility cost height, and process device structure is complicated, complicated for operation, is suitble to high production capacity, low yield energy cost performance is low, changes the line of production ineffective
It is living, easily form waste.High-tower granulation cost of investment is high, and the civil engineering and equipment investment of tower about need 30,000,000 yuan, occupied area
Greatly, 3 mu of ground are about needed, structure is complicated.And slurry-spraying pelletizing and disc granulation product appearance not enough light circle, particle nutrient is uneven, after
Section also needs drying and processing, waste of energy.
In the prior art, it is compound to provide a kind of combined jet granulation tower for the patent of Patent No. CN201610475289.1
Fertile prilling process, described method includes following steps: little particulate material and melting charge slurry A being mixed to form feed liquid, with gas mixing
It forms gas-liquid mixture and is ejected into first granulation tower, level-one finished particle fertilizer is mixed to form with melting charge slurry B again
Feed liquid is formed with gas mixing and gas-liquid mixture and is ejected into second granulation tower, the angle of the injection and horizontal plane
Angle is 0-90 °, and injection direction faces upward for level.The above method is only applicable to air prilling, and it is cooling to be not particularly suited for inclined-plane
It is granulated.Therefore, lack the method by inclined-plane cooling granulation in the prior art.
Summary of the invention
In consideration of it, to solve the above-mentioned problems, the present invention provides a kind of methods of inclined-plane cooling granulation, inclined using spray head
Tiltedly eject droplet-like slurry, droplet-like slurry falls on the inclined-plane of the cooling equipment in inclined-plane and rolled, cooled down and be granulated.
First aspect present invention provides a kind of method of inclined-plane cooling granulation, comprising the following steps:
Melting charge slurry with pressure is passed through by feed pipe into spray head, the melting charge slurry is sprayed from the spray head
Out, droplet-like slurry is formed, the spray head can make the melting charge slurry and the angled injection of horizontal direction；
The droplet-like slurry is dropped down on the inclined-plane of the cooling equipment in the inclined-plane and is rolled, and the droplet-like slurry exists
Fertiliser granulates are cooled down and formed in the rolling process, wherein the droplet-like slurry fall into the inclined-plane direction and it is described tiltedly
The angle on the inclined-plane of the cooling equipment in face is 0-15 °.
Wherein, the melting charge slurry and horizontal direction are in 30 ° of -80 ° of injections.
Wherein, the inclined-plane of the cooling equipment in the inclined-plane and horizontal direction are in 30 ° of -80 ° of settings.
Wherein, the cooling equipment of the spray head and the inclined-plane is at a distance of 50-500mm.
Wherein, the pressure of the melting charge slurry is 0.3-1.6MPa.
Wherein, the chamfer length of the cooling equipment in the inclined-plane is 5-60m.
Wherein, the spray head includes rotating ring, the quiet spray head being nested in the rotating ring, the biography for being set to the rotating ring side
Moving axis and the feed pipe connecting with described quiet spray head one end, array hole is offered on the side wall of the rotating ring, and the rotating ring is used
In being rotated along central axis relative to the quiet spray head, the rotating ring is also used to cut off during rotation from the quiet spray
The slurry of head ejection simultaneously makes droplet-like, includes the spaced nozzle of an at least row, the nozzle on the quiet spray head
It is partly nested in the side wall of the quiet spray head, and prominent towards the adjacent rotating ring sidewall direction, it is logical that the nozzle is equipped with one
Hole, the through-hole and described hole are arranged in a one-to-one correspondence.
Wherein, the area of the cross section of the through-hole is less than the area of the cross section of described hole, described hole and described
The shape of the cross section of through-hole is circle, and the diameter of the through-hole is 1-5mm, and the diameter of described hole is 5-20mm.
Wherein, the distance between side wall of the nozzle and the rotating ring is 3-100mm.
A kind of method for inclined-plane cooling granulation that first aspect present invention provides, the melting charge slurry with pressure can be from spray head
It is ejected in the form of nearly straight line, and after ejecting from spray head, forms droplet-like slurry.Wherein, the droplet-like slurry is fallen
The angle for entering the inclined-plane of the cooling equipment in direction and the inclined-plane on the inclined-plane is 0-15 °, therefore when droplet-like slurry is fallen in tiltedly
It will continue to be rolled when the inclined-plane of the cooling equipment in face, and be cooled to fertiliser granulates during rolling.It is provided by the invention
The method of inclined-plane cooling granulation ejects inclined droplet-like slurry using spray head, and cools down droplet-like slurry on inclined-plane and set
It rolled, cooled down and is granulated on standby inclined-plane.This not only greatly reduces the height of granulation tower, reduces costs.And by
It is to be cooled down in the rolling, therefore the sphericity of fertiliser granulates is preferable in droplet-like slurry, uniformly preferably, compactness is preferable,
With very strong practicability.
Second aspect of the present invention provides a kind of fertiliser granulates, and the method as first aspect present invention provides is prepared.
A kind of fertiliser granulates that second aspect of the present invention provides, the method system provided using first aspect present invention
Standby, the sphericity of fertiliser granulates is preferable, and uniformly preferably, compactness is preferable, has very strong practicability.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to required in the embodiment of the present invention
The attached drawing used is illustrated.
Fig. 1 is the process schematic of inclined-plane cooling granulation method in the embodiment of the present invention；
Fig. 2 is the process flow chart of the method for inclined-plane cooling granulation in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of spray head in Fig. 1；
Fig. 4 is the schematic cross-section of the cooling equipment in inclined-plane in Fig. 1；
Fig. 5 is the structural schematic diagram of the cooling equipment in inclined-plane in Fig. 1；
Fig. 6 is the partial enlarged view on inclined-plane in Fig. 4.
Specific embodiment
It is the preferred embodiment of the present invention below, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
A kind of method of inclined-plane cooling granulation provided in an embodiment of the present invention, comprising the following steps:
Step 1: the melting charge slurry with pressure being passed through by feed pipe into spray head 100, the melting charge slurry is from institute
It states and is sprayed in spray head 100, form droplet-like slurry 3, the spray head 100 can make the melting charge slurry and horizontal direction angled
It projects；
Step 2: the droplet-like slurry 3 is dropped down on the inclined-plane 41 of the cooling equipment 200 in the inclined-plane and is rolled, described
Droplet-like slurry 3 cools down in the rolling process and is formed fertiliser granulates, wherein the droplet-like slurry falls into the inclined-plane
The angle on the inclined-plane 41 of the cooling equipment 200 in 41 direction and the inclined-plane is 0-15 °.
Meaning melting charge slurry of the invention refers to nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, middle trace element fertilizer, organic carbon fertilizer, microorganism fertilizer
Deng one of or it is a variety of be mixed to form fertilizer slurry, wherein mixed mode can be level-one mixing, it is mixed to be also possible to second level
Conjunction, three-level mixing etc., it is to be understood that the conditions such as sequence, temperature, pH value of fertilizer slurry mixing are unlimited, can be according to fertilizer
The characteristic of the material composition of slurry and mixing require to be adjusted.
A kind of method of inclined-plane cooling granulation provided in an embodiment of the present invention, the melting charge slurry with pressure can be because of pressure
In the presence of being ejected in the form of nearly straight line from spray head 100, and after ejecting from spray head 100, form droplet-like slurry 3.Wherein
The angle that the droplet-like slurry falls into the inclined-plane 41 of the cooling equipment 200 in direction and the inclined-plane on the inclined-plane 41 is 0-15 °.
Preferably, the angle on the inclined-plane 41 of the cooling equipment 200 in the injection direction Yu inclined-plane of the melting charge slurry is 0-10 °.Therefore work as liquid
Drop-wise slurry 3 will continue to be rolled when falling in the inclined-plane 41 of the cooling equipment 200 in inclined-plane, and be cooled to fertilizer during rolling
Expect particle.Therefore the method for 41 cooling granulation of inclined-plane provided by the invention, ejects inclined droplet-like slurry using spray head 100
3, and droplet-like slurry 3 is made to be rolled, cooled down and be granulated on the inclined-plane 41 of the cooling equipment 200 in inclined-plane, not only substantially reduce
The height of granulation tower, reduces appropriation of land area, reduces costs.And since droplet-like slurry 3 is in the rolling
It is cooled down, therefore the sphericity of fertiliser granulates is preferable, uniformly preferably, compactness is preferable, has very strong practicability.
The direction and horizontal direction that the melting charge slurry projects are angled, wherein the angle can be according to the spy of melting charge slurry
Property and the pressure of discharging are adaptively adjusted.
In embodiment of the present invention, the spray head 100 includes rotating ring 1, the quiet spray head 2 being nested in the rotating ring 1, setting
Transmission shaft in 1 side of rotating ring and the feed pipe (being not shown) that is connect with described quiet 2 one end of spray head, the transmission
Axis offers battle array on the side wall of the rotating ring 1 for driving the rotating ring 1 to be rotated (as shown in the arrow direction in Fig. 3)
Column hole 11, for being rotated along central axis relative to the quiet spray head 2, the rotating ring 1 is also used to turning the rotating ring 1
The slurry sprayed from the quiet spray head 2 is cut off during dynamic and makes droplet-like, includes an at least row on the quiet spray head 2
Spaced nozzle 21, the nozzle 21 half are nested in the side wall of the quiet spray head 2, and towards the adjacent rotating ring 1
Sidewall direction is prominent, and the nozzle 21 is equipped with a through-hole 211, and the through-hole 211 and described hole 11 are arranged in a one-to-one correspondence, described
Nozzle 21 is along horizontal direction in 30 ° of -80 ° of settings.
Firstly, offering array hole 11 on the side wall of rotating ring 1, the quiet spray head 2 is used for the through-hole 211 towards nozzle 21
Slurry is continuously sprayed in direction, and the rotating ring 1 along central axis relative to the quiet spray head 2 for being rotated.Therefore,
The rotating ring 1 can continue the slurry that cutting is sprayed from the quiet spray head 2 during rotation and make droplet-like, form one
Drip dropping liquid drop-wise slurry 3.
Secondly, the nozzle 21 is along horizontal direction in 30 ° of -80 ° of settings.It therefore is to incline from the slurry that nozzle 21 ejects
Oblique, and then the droplet-like slurry 3 for being cut off and formed by rotating ring 1 is also inclined, i.e., is in the horizontal direction in 30 ° -80 °.And incline
Oblique droplet-like slurry 3 is also to move on along inclined direction when falling.This not only shortens the height of granulation tower, and
And longer fall time can be such that droplet-like slurry 3 is preferably cooled down.When to fall in inclined-plane cold for inclined droplet-like slurry 3
But when the surface of equipment 200, the angle of the falling direction and the inclined-plane 41 of the cooling equipment 200 in inclined-plane of droplet-like slurry 3 is smaller, because
The impact force that this is formed is also smaller.This both can make droplet-like slurry 3 keep good sphericity, can also form one along oblique
The component that 41 direction of face rolls prevents droplet-like slurry 3 from sticking in the cooling equipment 200 in inclined-plane.
Preferably, the droplet-like slurry 3 for generating different directions can be ejected using spray head 100, it is angled with horizontal direction
The droplet-like slurry 3 of injection and the droplet-like slurry 3 projected straight down.With the droplet-like slurry of the angled injection of horizontal direction
3 can fall on the inclined-plane 41 of the cooling equipment 200 in inclined-plane and be rolled, cooled down and be granulated.And the droplet-like ejected straight down
Slurry 3 can be cooled down and be granulated during the falling process.
Specifically, in the present invention, when the slurry constantly ejected from quiet spray head 2 is mapped on the side wall of rotating ring 1
When hole 11, slurry will be cut off, and form droplet-like slurry 3；And works as and be mapped to from the slurry that quiet spray head 2 constantly ejects
When on the side wall of rotating ring 1, the slurry that slurry will fall vertically because of gravity, and fall vertically will divide during the falling process
It scatters to form droplet-like slurry 3.And droplet-like slurry 3 can be cooled to fertiliser granulates during the falling process and fall in collecting tank
In 6.Therefore the slurry that spray head 100 of the invention can eject inclined droplet-like slurry 3 and fall vertically.
In embodiment of the present invention, cooling equipment includes collecting tank 6 and at least one set of cooling sloping platform 4 and collects sloping platform 5, institute
The side for stating collection sloping platform 5 is connected with the cooling sloping platform 4, described to collect the opposite other side of sloping platform 5 and the collecting tank 6
It is connected, the collection sloping platform 5 makes described granular for receiving the granular object being rolled down from the cooling sloping platform 4
Object is tumbled from the collection sloping platform 5 into the collecting tank 6, and cool air hose 7 is equipped at the collecting tank 6, and the cool air hose 7 is used
In from the collecting tank 6 to cooling leaning tower direction blowout cold air (as shown in the arrow direction in Fig. 4 and Fig. 5).
When droplet-like fertilizer slurry or droplet-like chemical fertilizer slurry drop down onto cooling sloping platform 4.Firstly, slurry can be along cooling oblique
The inclined-plane 41 of platform 4 is rolled towards the direction for collecting sloping platform 5.And slurry, during rolling, the sphericity of slurry is preferable.
Secondly, slurry also will do it cooling during rolling, and since slurry is carried out while during rolling
Cooling, therefore the consistency for the particle being cooled into is more uniform and consistency is higher.It is dropped down onto after slurry is cooled to particle
Sloping platform 5 is collected, particle continues to scroll down through on collecting sloping platform 5, and further cools down during rolling.Final
Grain is fallen in collecting tank 6, obtains fertiliser granulates or chemical fertilizer granule.Again, slurry is rolled and is cooled down on inclined-plane 41, is increased
The distance that slurry falls, this can substantially reduce the height of granulation tower, thereby reduce cost.Cooling provided by the invention is set
It is standby, it so that droplet-like slurry 3 rolled, cooled down and is granulated on cooling sloping platform 4 well, form sphericity,
The even good particle of property, improves the comprehensive performance of particle；The height that granulation tower can also be reduced, has saved cost.
The setting of cool air hose 7 of the present invention can not only reduce the temperature in granulation tower, but also ought have slurry from vertical direction
When falling, the cold wind from collecting tank 6 to cooling 4 direction of sloping platform can also make slurry be cooled to particle.
In embodiment of the present invention, the melting charge slurry and horizontal direction are in 30 ° of -80 ° of injections.When melting charge slurry and level
When the angle in direction is less than 30 °, the droplet-like slurry 3 can stop at inclined-plane 41, or even stick on inclined-plane 41, will not continue to roll
It is dynamic.When the angle of melting charge slurry and horizontal direction is greater than 80 °, droplet-like slurry 3 can do the nearly movement of falling object, and make inclined-plane
Cooling equipment 200 is ineffective.Preferably, the melting charge slurry and horizontal direction are in 40 ° of -60 ° of injections.
In embodiment of the present invention, the inclined-plane 41 and horizontal direction of the cooling equipment 200 in the inclined-plane are in 30 ° of -80 ° of settings.
When the inclined-plane 41 of cooling sloping platform 4 is lower than 30 ° in the horizontal direction, slurry can stop rolling because the gradient on inclined-plane 41 is too small,
Even stick slurry on inclined-plane 41.And when the inclined-plane 41 of cooling sloping platform 4 is higher than in the horizontal direction, slurry can be because fall too
Fast and cooling time is too short, the particle of formation it is second-rate.Preferably, the inclined-plane 41 and water of the cooling equipment 200 in the inclined-plane
Square in 40 ° -60 ° setting.
In embodiment of the present invention, the spray head 100 is with the cooling equipment 200 in the inclined-plane at a distance of 50-500mm.When described
The cooling equipment 200 in spray head 100 and the inclined-plane at a distance of when being less than 50mm, the spray head 100 and the cooling equipment 200 in the inclined-plane away from
From too small, it may occur that the danger of collision.And when the spray head 100 is apart greater than 500mm with the cooling equipment 200 in the inclined-plane,
Droplet-like slurry 3 can change the direction of injection because of the reason of gravity.Preferably, the spray head 100 and the cooling equipment in the inclined-plane
200 at a distance of 100-300mm.
In embodiment of the present invention, the pressure of the melting charge slurry is 0.3-1.6MPa.The pressure of the melting charge slurry is
When 0.3-1.6MPa, melting charge slurry can be made to eject well in the form of nearly straight line.
In embodiment of the present invention, 41 length of inclined-plane of the cooling equipment 200 in the inclined-plane is 5-60m.When the cooling is oblique
When the length on the inclined-plane 41 of platform 4 is less than 5m, slurry can because inclined-plane 41 length is too short and cooling time is too short, result in
Particle it is second-rate.And when the length on the inclined-plane 41 of the cooling sloping platform 4 is greater than 60m, the length on inclined-plane 41 is too long, can make
At the increase for being granulated tower height degree, the increase of land seizure area.Eventually result in sharply increasing for cost.
In embodiment of the present invention, the area of the cross section of the through-hole 211 is less than the face of the cross section of described hole 11
The shape of the cross section of product, described hole 11 and the through-hole 211 is circle, and the diameter of the through-hole 211 is 1-5mm, described
The diameter of hole 11 is 5-20mm.Preferably, the diameter of the through-hole 211 is 2-4mm, and the diameter of described hole 11 is 8-
15mm。
In embodiment of the present invention, the distance between the nozzle 21 and the side wall of the rotating ring 1 are 3-100mm.It is described
When the distance between side wall of nozzle 21 and the rotating ring 1 is less than 3mm, nozzle 21 and the side wall of rotating ring 1 may collide,
And the distance between the nozzle 21 and side wall of the rotating ring 1 be when being greater than 100mm, the side wall of nozzle 21 and rotating ring 1 is apart from mistake
Greatly, slurry can drop because of gravity, and then change direction.Preferably, the side of the nozzle 21 and the rotating ring 1
The distance between wall is 15mm-80mm, it is highly preferred that the distance between side wall of the nozzle 21 and the rotating ring 1 is 30mm-
50mm。
In embodiment of the present invention, the inclined-plane 41 of the cooling sloping platform 4 is successively formed by overlapping by multiple plates, n-th piece of institute
It states plate to be superimposed upon on (n+1)th piece of plate, n-th piece of plate is mutually staggered with (n+1)th piece of plate, wherein n-th
Plate described in block is far from the cooling sloping platform 4 and the junction for collecting sloping platform 5, and (n+1)th piece of plate is close to described cold
But sloping platform 4 and the junction for collecting sloping platform 5, wherein n is the integer greater than 0.Inclined-plane 41 successively overlapped by multiple plates and
At the harm expanded with heat and contract with cold caused by being largely avoided due to splicing.
Referring to Fig. 3, the lap-joint of the plate and the plate forms clinch, described in embodiment of the present invention
Clinch is concave-curve structure 43.Plate far from the cooling sloping platform 4 and the junction for collecting sloping platform 5 is close to described
The top of cooling sloping platform 4 and the plate of the junction for collecting sloping platform 5, and clinch is concave-curve structure 43.Therefore work as liquid
When drop-wise slurry 3 is tumbled to concave-curve structure 43, droplet-like slurry 3 can generate one and be parallel to the component of inclined-plane 41 in downward direction
With a component downward perpendicular to inclined-plane 41, and then droplet-like slurry 3 will accelerate and be close to inclined-plane 41 rolling.This prevent
Droplet-like slurry 3 fly out in dropping process slurry the problem of.
In embodiment of the present invention, the cooling sloping platform 4 is in the cooling sloping platform 4 and the junction for collecting sloping platform 5
Through-hole 211 is offered, the through-hole 211 is for tumbling the granular object to the collecting tank 6 from the collection sloping platform 5
In.When the particle of cooling and shaping is tumbled from cooling sloping platform 4 to after collecting sloping platform 5, particle can be from collecting on sloping platform 5 through cooling sloping platform
4 tumble into collecting tank 6.Therefore through-hole 211 is offered in the cooling sloping platform 4 and the junction for collecting sloping platform 5, it can be with
Make particle be accurately passed through cooling down sloping platform 4 and is rolled on collecting sloping platform 5.
In embodiment of the present invention, the inclined-plane 41 of the cooling sloping platform 4 is equipped with hydrophobic layer 42, the material of the hydrophobic layer 42
Including one of Teflon and fluororesin or a variety of.It is equipped with hydrophobic layer 42 on the inclined-plane 41 of cooling sloping platform 4, slurry can be prevented
It sticks on the inclined-plane 41 of cooling sloping platform 4, slurry can be made to be tumbled on inclined-plane 41 well.The setting of hydrophobic layer 42 can also be with
It prevents dust and impurity in air from falling on inclined-plane 41, improves the purity of particle.
In embodiment of the present invention, the cooling sloping platform 4 and the collection sloping platform 5 further include cooling device 8, the cooling
Device 8 makes -20 DEG C of the temperature (- 20) DEG C on the inclined-plane 41.The setting of cooling device 8 can reduce cooling sloping platform 4 and collect oblique
The temperature on 5 surface of platform, and make cooling sloping platform 4 and collect -20 DEG C of the temperature (- 20) DEG C on 5 surface of sloping platform.Cooling device 8 is set
The process that slurry can be accelerated to be cooled to particle is set, and improves the quality of particle.
A kind of fertiliser granulates provided in an embodiment of the present invention, such as method provided in an embodiment of the present invention are prepared.
A kind of fertiliser granulates provided in an embodiment of the present invention, are prepared using method provided in an embodiment of the present invention, fertilizer
Expect that the sphericity of particle is preferable, uniformly preferably, compactness is preferable, has very strong practicability.
Content provided by embodiment of the present invention is described in detail above, herein to the principle of the present invention and reality
The mode of applying is expounded and illustrates, described above to be merely used to help understand method and its core concept of the invention；Meanwhile
For those of ordinary skill in the art, according to the thought of the present invention, has change in specific embodiments and applications
Become place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of method of inclined-plane cooling granulation, which is characterized in that the method for the inclined-plane cooling granulation the following steps are included:
Melting charge slurry with pressure is passed through by feed pipe into spray head, the melting charge slurry is sprayed from the spray head,
Droplet-like slurry is formed, the spray head can make the melting charge slurry and the angled injection of horizontal direction；
The droplet-like slurry is dropped down on the inclined-plane of the cooling equipment in inclined-plane and is rolled, and the droplet-like slurry is in the rolling
Fertiliser granulates are cooled down and formed in the process, wherein the droplet-like slurry falls into the direction on the inclined-plane and inclined-plane cooling is set
The angle on standby inclined-plane is 0-15 °.
2. the method as described in claim 1, which is characterized in that the melting charge slurry and horizontal direction are in 30 ° of -80 ° of injections.
3. the method as described in claim 1, which is characterized in that the inclined-plane of the cooling equipment in the inclined-plane and horizontal direction in 30 °-
80 ° of settings.
4. the method as described in claim 1, which is characterized in that the cooling equipment of the spray head and the inclined-plane is at a distance of 50-
500mm。
5. the method as described in claim 1, which is characterized in that the pressure of the melting charge slurry is 0.3-1.6MPa.
6. the method as described in claim 1, which is characterized in that the chamfer length of the cooling equipment in the inclined-plane is 5-60m.
7. the method as described in claim 1, which is characterized in that the spray head include rotating ring, be nested in it is quiet in the rotating ring
Spray head, the transmission shaft for being set to the rotating ring side and the feed pipe being connect with described quiet spray head one end, the side wall of the rotating ring
On offer array hole, the rotating ring for being rotated along central axis relative to the quiet spray head, also use by the rotating ring
It include at least on the quiet spray head in cutting off the slurry sprayed from the quiet spray head during rotation and making droplet-like
The spaced nozzle of one row, the nozzle are partly nested in the side wall of the quiet spray head, and towards the adjacent rotating ring side
Wall direction is prominent, and the nozzle is equipped with a through-hole, and the through-hole and described hole are arranged in a one-to-one correspondence.
8. the method for claim 7, which is characterized in that the area of the cross section of the through-hole is less than the cross of described hole
The shape of the cross section of the area in section, described hole and the through-hole is circle, and the diameter of the through-hole is 1-5mm, described
The diameter of hole is 5-20mm.
9. the method as described in claim 1, which is characterized in that the distance between side wall of the nozzle and the rotating ring is 3-
100mm。
10. a kind of fertiliser granulates, which is characterized in that as the described in any item methods of claim 1-9 are prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095162.6A CN110090596B (en) | 2018-01-30 | 2018-01-30 | Inclined surface cooling granulation method and fertilizer granules thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095162.6A CN110090596B (en) | 2018-01-30 | 2018-01-30 | Inclined surface cooling granulation method and fertilizer granules thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110090596A true CN110090596A (en) | 2019-08-06 |
| CN110090596B CN110090596B (en) | 2022-06-21 |
Family
ID=67442053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095162.6A Active CN110090596B (en) | 2018-01-30 | 2018-01-30 | Inclined surface cooling granulation method and fertilizer granules thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090596B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002115840A (en) * | 2000-10-06 | 2002-04-19 | Tokyo Kozai Kk | Method of controlling generated slag of waste |
| CN1400073A (en) * | 2001-07-26 | 2003-03-05 | 球状粉末体工业公司 | Pellet producing apparatus |
| CN1636900A (en) * | 2003-12-22 | 2005-07-13 | 株式会社小原 | Globular glass manufacturing apparatus and method for manufacturing the globular glass |
| CN1762564A (en) * | 2005-09-09 | 2006-04-26 | 孔亦周 | Granulation spray nozzle differential rotating granulation |
| CN1890409A (en) * | 2004-04-21 | 2007-01-03 | 京半导体股份有限公司 | Dropping pipetype granular crystal manufacturing apparatus and granular crystal manufacturing method |
| CN104258782A (en) * | 2014-09-29 | 2015-01-07 | 国药嘉远国际贸易公司 | Spraying and fluidizing granulation tower for manufacturing hollow iodine granules and iodine |
-
2018
- 2018-01-30 CN CN201810095162.6A patent/CN110090596B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002115840A (en) * | 2000-10-06 | 2002-04-19 | Tokyo Kozai Kk | Method of controlling generated slag of waste |
| CN1400073A (en) * | 2001-07-26 | 2003-03-05 | 球状粉末体工业公司 | Pellet producing apparatus |
| CN1636900A (en) * | 2003-12-22 | 2005-07-13 | 株式会社小原 | Globular glass manufacturing apparatus and method for manufacturing the globular glass |
| CN1890409A (en) * | 2004-04-21 | 2007-01-03 | 京半导体股份有限公司 | Dropping pipetype granular crystal manufacturing apparatus and granular crystal manufacturing method |
| CN1762564A (en) * | 2005-09-09 | 2006-04-26 | 孔亦周 | Granulation spray nozzle differential rotating granulation |
| CN104258782A (en) * | 2014-09-29 | 2015-01-07 | 国药嘉远国际贸易公司 | Spraying and fluidizing granulation tower for manufacturing hollow iodine granules and iodine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110090596B (en) | 2022-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101410684B (en) | Spray dryer, spray dry method, and polymer powder | |
| CN208136106U (en) | The floating grain system of intelligence | |
| CN1672781A (en) | Integrated melt material pelletizing and filming production method and apparatus | |
| CN101829521A (en) | Fluidized bed granulator | |
| CN201346454Y (en) | High-tower melting granulation production device | |
| CN105233756B (en) | A kind of granulating system and its method | |
| CN110090596A (en) | A kind of method and its fertiliser granulates of inclined-plane cooling granulation | |
| CN203075924U (en) | Overflow-jet nozzle type gas-liquid distributor | |
| CN208465824U (en) | A kind of inclined-plane cooling granulation system | |
| CN206897343U (en) | A kind of low tower spray-cooling granulating device | |
| CN110090595A (en) | A kind of inclined-plane cooling granulation system | |
| CN206121680U (en) | Prilling granulator sprays in horizontal melting compound fertilizer | |
| CN103028343A (en) | Production method for pelletoidal calcium chloride dihydrate | |
| CN104803732A (en) | Differential pelletizing device with vibrating function for melt compound fertilizer and method using device | |
| CN208302713U (en) | A kind of screw-type device of fertilizer slurry drop curing molding | |
| CN208130987U (en) | A kind of plate-type device of fertilizer slurry drop curing molding | |
| CN205914123U (en) | Prilling granulator sprays in vertical melting compound fertilizer | |
| CN101696141A (en) | Method for producing fluidized bed | |
| CN1100023C (en) | Large size particle urea composite rotary drum prilling technology and equipment | |
| CN107602160A (en) | A kind of tower granulation method of low melting point fused salt | |
| CA1045769A (en) | Prilling method and apparatus | |
| CN204625501U (en) | There is the differential granulating equipment of composite fertilizer of vibrating function | |
| CN207324730U (en) | Calcium nitrate granulation tower | |
| CN110090594A (en) | A kind of cooling equipment and prilling granulator for inclined-plane cooling granulation | |
| CN205127885U (en) | Pelleting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231226 Address after: 221000 south of haozhai Road, energy economic and Technological Development Zone, Pei County, Xuzhou City, Jiangsu Province Patentee after: XUZHOU BATIAN ECOLOGY Co.,Ltd. Address before: 221000 south of haozhai Road, energy economic and Technological Development Zone, Pei County, Xuzhou City, Jiangsu Province Patentee before: XUZHOU HEXIE FERTILIZER INDUSTRY CO.,LTD. |
|
| TR01 | Transfer of patent right |