CN107213845A - The prilling process of compound fertilizer granulating system and compound fertilizer granulating system - Google Patents
The prilling process of compound fertilizer granulating system and compound fertilizer granulating system Download PDFInfo
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- CN107213845A CN107213845A CN201710594406.0A CN201710594406A CN107213845A CN 107213845 A CN107213845 A CN 107213845A CN 201710594406 A CN201710594406 A CN 201710594406A CN 107213845 A CN107213845 A CN 107213845A
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- fertilizer
- granulation tower
- grain
- comminutor
- compound fertilizer
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- 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
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
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- 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
- B01J2/18—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using a vibrating apparatus
Abstract
The present invention is applied to fertilizer production device technical field, and there is provided the prilling process of a kind of compound fertilizer granulating system and compound fertilizer granulating system.Above-mentioned compound fertilizer granulating system includes granulation tower; comminutor is provided with granulation tower; comminutor is connected with feeding device; duster is provided with above comminutor; lower section is provided with vibration Wrap device, and the end of vibration Wrap device is connected to the discharging opening of granulation tower, discharge outlet is provided with screening machine; screening machine is connected with finished product packing system, and screening machine and granulation tower are also respectively connected with material-returning device.The prilling process of a kind of compound fertilizer granulating system and compound fertilizer granulating system provided by the present invention, the system can not only solve the problem of high tower building height is big, energy consumption is big, amount of investment is big, and the problem of low drum granulating ratio of briquetting, particle insufficient strength can also be solved.The production of composite fertilizer is carried out by the system, product qualification rate is high, and the granule strength of formation, water-soluble rate, utilization rate are good.
Description
Technical field
The invention belongs to fertilizer production device technical field, more particularly to a kind of compound fertilizer granulating system and compound fertilizer granulating
The prilling process of system.
Background technology
At present, the method and apparatus of compound fertilizer granulating production mainly has high tower fused melt granulated and drum granulating two ways.
Wherein, it is high tower fused melt granulated to have certain height, minimum 75 meters, generally at 90-95 meters, build high tower cost
Height, and material must be transported to high tower top, cause huge energy consumption.And product particle size adjustable range is narrower, particularly
The larger product of production particle has certain difficulty.It is not high additionally, due to high-temperature fusant freezing point, i.e. granulating to the cold, by particulate matter
Residence time limitation in tower, particle diameter is big, is difficult cooling, to bottom of towe after can be fallen deformation on the contrary, it is not round and smooth.
And drum granulating, have that grain forming is irregular, uneven, ratio of briquetting is relatively low, cause returning charge more, and particle
Intensity less, water-soluble rate and utilization rate are relatively low, are easy to run off.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of compound fertilizer granulating system and be combined
The prilling process of fertile granulating system, the system can not only solve the problem of high tower building height is big, energy consumption is big, amount of investment is big,
And the problem of low drum granulating ratio of briquetting, particle insufficient strength can also be solved.The production of composite fertilizer is carried out by the system,
Product qualification rate is high, and the granule strength of formation, water-soluble rate, utilization rate are good, improve the benefit of existing composite heat transfer.
What the present invention was realized in：Use is provided with a kind of compound fertilizer granulating system, including granulation tower, the granulation tower
In the comminutor to grain at the beginning of aerial injection, formation fertilizer, the comminutor is connected with the feeding device for conveying fertilizer material,
The duster for being provided with for spraying parcel powder to wrap up grain at the beginning of the fertilizer above the comminutor, it is described to make
It is provided with below grain machine and for grain at the beginning of the fertilizer to falling wrap up again and shaken with screening and conveying function
Dynamic Wrap device, the end of the vibration Wrap device is connected to the discharging opening of the granulation tower, in the discharging of the granulation tower
Screening machine is provided with mouthful, the screening machine is connected with finished product packing system, and the screening machine and the granulation tower are also all connected with
There is the material-returning device for conveying unqualified fertilizer particle.
Specifically, the comminutor includes playpipe, and the playpipe is connected with the feeding device, on the playpipe
It is provided with multiple shower nozzles for grain at the beginning of aerial injection, formation fertilizer.
Specifically, the duster includes powder uniform device and the powder conduit for conveying parcel powder, the powder
Last uniform device is arranged on the top of the granulation tower and be arranged in parallel with the playpipe.
Specifically, the vibration Wrap device includes offering multiple use on the oscillating plate being obliquely installed, the oscillating plate
In the through hole of screening fertiliser granulates, the two ends of the oscillating plate are connected to for driving the oscillating plate is of reciprocating vibration to shake
Dynamic motor.
Specifically, the oscillating plate tilts down setting, the lowermost end of the inclined oscillating plate from the top of granulation tower
It is arranged at the discharge outlet of the granulation tower.
Specifically, it is parallel between the feeding device and the powder conduit for controlling fertilizer material and parcel powder
The interlocking pump of end proportioning.
Specifically, the bottom of the granulation tower is provided with for the conveying heating steam into the granulation tower from bottom to top
Air blower, the air blower is connected with steam input pipe.
Specifically, the top of the granulation tower is connected with for aspirating removing for the granulation tower internal dust by appendix
Dirt device, the dust arrester includes air exhauster and sack cleaner, and the air inlet of the air exhauster is connected with the appendix,
The exhaust outlet of the air exhauster is connected with the sack cleaner, and the sack cleaner is also associated with being used to aspirate its internal gas
Body and drain into aerial blower fan, the air exhauster and the sack cleaner are also associated with for by internal dust granule dispatch
Dust delivering tube on to the material-returning device.
Specifically, the screening machine includes sifter and the separatory funnel being arranged on below the sifter, the finished product
Packaging system is arranged on below the finished product discharging opening of the separatory funnel.
Present invention also offers a kind of prilling process of compound fertilizer granulating system, the compound fertilizer granulating system includes granulation
The comminutor of grain at the beginning of for forming fertilizer is provided with tower, the granulation tower, the comminutor is connected with former for conveying fertilizer
It is provided with for spraying parcel powder to wrap up grain at the beginning of the fertilizer above the feeding device of material, the comminutor
Be provided for that grain at the beginning of the fertilizer that falls is carried out to wrap up again below duster, the comminutor and with screening and
The vibration Wrap device of conveying function, the end of the vibration Wrap device is connected to the discharging opening of the granulation tower, in described
The discharge outlet of granulation tower is provided with screening machine, and the screening machine is connected with finished product packing system, the screening machine and described makes
Grain tower is also respectively connected with the material-returning device for conveying unqualified fertilizer particle, and the bottom of the granulation tower is provided with
Up into the granulation tower, the air blower of steam is heated in conveying, and the top of the granulation tower is connected with for taking out by appendix
The dust arrester of the granulation tower internal dust is inhaled, the prilling process step is：By the feeding device to the granulation
Conveying fertilizer material in machine, and the duster and the air blower are opened, the comminutor sprays formation fertilizer into granulation tower
The first grain of material, the fertilizer parcel powder that just grain sprays with the duster carries out glutinous packet splicing and wraps up in cooling in the air, after one section of height
Fall on the vibration Wrap device, just grain is rolled the fertilizer not cooled down completely thereon, continue to carry out viscous glutinous bag with parcel powder
Shaping is wrapped up in, while convey grain at the beginning of steam causes fertilizer into granulation tower by the air blower is maintained at bag during granulating
The temperature of shaping is wrapped up in, and the dust laden air in granulation tower is aspirated by the dust arrester, and the fertilizer particle after being molded is through going out
Material mouth is sieved into the screening machine, and qualified fertilizer particle is packed into the finished product packing system, and is not conformed to
The fertilizer particle of lattice is delivered in disintegrating machine broken Posterior circle through the material-returning device and used.
A kind of compound fertilizer granulating system and the prilling process of compound fertilizer granulating system that the present invention is provided, the compound fertilizer granulating
System is provided with for grain at the beginning of the fertilizer to falling by being provided with duster above comminutor, and below comminutor
Wrap up again and the vibration Wrap device with screening and conveying function.So, at the beginning of making the fertilizer that is ejected from comminutor
Grain can carry out viscous glutinous parcel with the cladding powder that spray by duster first, cool and solidify from particle, and can also be
During falling, make the fertilizer not cooled down completely just grain Vibrotumbling on vibration Wrap device, can be rolled into again
Type, enabling fertilizer, just grain is shaped to qualified fertilizer particle.Such a set-up mode, is carried out without setting the granulation tower of big height
Granulation production, not only reduces the cost of manufacture, while solving granulation because height is not enough, particle does not complete cooling and existed yet
Product qualified rate it is low the problem of.Compound fertilizer granulating production is carried out by the compound fertilizer granulating system, prilling process step is simple,
Obtained fertilizer particle is more mellow and fuller, more regular, and shaping qualification rate is higher, improves the productivity effect of enterprise.
Brief description of the drawings
Fig. 1 is compound fertilizer granulating system structure diagram provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Implementing for the present invention is described in detail below in conjunction with specific embodiment：
As shown in figure 1, the compound fertilizer granulating system provided in the embodiment of the present invention, including granulation tower 11, granulation tower 11
Inside it is provided with for the comminutor 12 to grain at the beginning of aerial injection, formation fertilizer, comminutor 12 is connected with for conveying fertilizer material
Feeding device 13.The fertilizer material is to be put into by raw materials such as powdery monoammonium phosphate, potassium chloride, additives according to certain proportioning
In mixing channel, it is sufficiently mixed into that solubility is big and compound slurry (N P and K eutectic) with certain fluidity, Ran Houtong
Cross feeding device 13 and extrude and be transported in comminutor 12, the compound slurry with certain pressure is by comminutor 12 to aerial
Grain drop at the beginning of spraying and forming fertilizer, to carry out follow-up production and processing.
Specifically, as shown in figure 1, in embodiments of the present invention, to reduce the construction cost of compound fertilizer granulating system and carrying
The qualification rate of high fertilizer particle product shaping, and tradition is solved using fusion method granulation because height is not enough, particle is not cooled down completely
And there is the low defect of product qualification rate, it is used to spray parcel powder by being provided with the top of comminutor 12 come at the beginning of fertilizer
The duster (not indicated in figure) that grain is wrapped up, the parcel powder is mixed by powder such as potash fertilizer, trace elements.In granulation
The lower section of machine 12 is provided with the vibration Wrap device 15 wrapped up again for grain at the beginning of the fertilizer to falling, and the vibration bag
Wrapping up in device 15 has screening and conveying function, enables to fall the first grain Vibrotumbling in cladding powder of fertilizer in the above,
Viscous glutinous parcel powder, the end of vibration Wrap device 15 is connected to the discharging opening 111 of granulation tower 11, in the discharging opening of granulation tower 11
Screening machine 16 is provided with 111, screening machine 16 is connected with finished product packing system 17, and screening machine 16 and granulation tower 11 are also respectively connected with
Material-returning device 18 for conveying unqualified fertilizer particle.Set by such, make to be ejected into the aerial first grain of formation fertilizer
Drop can carry out viscous glutinous parcel with parcel powder first, and be cooled down during whereabouts, and the fertilizer not cooled down completely
Material particle is after dropping on vibration Wrap device 15, due to vibrating covered with cladding powder on Wrap device 15, thus vibrates
Wrap device 15, which can drive, falls the continuous Vibrotumbling of the fertilizer particle fallen on, is rolled in cladding powder, now
The fertilizer particle not cooled down completely can then continue viscous glutinous parcel with parcel powder, make that particle is more mellow and fuller, more regular, ratio of briquetting
It is higher, lift the qualification rate of product.The formed fertilizer particle of finally parcel completion flows out by the discharging opening 111 of granulation tower 11
And enter and sieved in screening machine 16, meeting defined fertilizer particle enters packaging system progress cooling packing, without
Fertilizer particle as defined in meeting then is arranged to on material-returning device 18, finally by disintegrating machine crush after and raw material fine powder together as returning
Material rejoins heater Posterior circle and used.
Specifically, in actual production process, grain at the beginning of falling the fertilizer on Wrap device is carrying out cooling parcel again
When, have fertilizer particle and dropped from Wrap device, thus, the bottom of granulation tower 11 is set into funnel, so as to incite somebody to action
The fertilizer particle dropped collects, and is then uniformly discharged on material-returning device 18 again, then carries out carrying out heating melting profit after crushing
With.
Compound fertilizer granulating system provided in the embodiment of the present invention, by being provided with duster and bag in granulation tower 11
Device is wrapped up in, in the case where both form a complete set of production, the quality that fertilizer particle is molded after the efficiency of production and shaping can not only be improved,
And the granulation tower 11 that such a set-up mode is built, integral constructing is highly low, and small investment, energy consumption is low, overcomes existing
There is the problem of height of the needs of granulation tower 11 is big, energy consumption is big, investment is big.Meanwhile, produced by this compound fertilizer granulating system
Fertilizer particle particle is mellow and full, rule, and product qualification rate is high, and the intensity of particle, water-soluble rate and utilization rate are good, greatly improve
The product quality of composite fertilizer.
Specifically, referring to Fig. 1, in embodiments of the present invention, the comminutor 12 include playpipe 121, playpipe 121 with it is defeated
Material device 13 is connected, and multiple shower nozzles 122 for grain at the beginning of aerial injection, formation fertilizer are provided with playpipe 121.So,
The compound pulp extruding with certain fluidity and pressure is delivered in playpipe 121 by feeding device 13, Ran Houjing
Cross shower nozzle 122 and spray to aerial in granulation tower 11, can disperse granulating during declining in the air, and with aerial bag
Wrap up in powder viscous glutinous, then constantly cool and solidify and form fertilizer particle.
Specifically, in order to improve sprayed from shower nozzle 122 form fertilizer at the beginning of time for contacting in the air of grain, it is ensured that Neng Gouyu
Spray skyborne cladding powder and farthest realize contact, to improve the efficiency of cooling and the quality of parcel, by shower nozzle 122
Set vertically upward so that with maximum vertical penetration, and then fall the time of needs also reach it is most long.It is of course also possible to be
Using by the amesiality set-up mode of shower nozzle 122.
Specifically, as shown in figure 1, the duster includes powder uniform device 141 and defeated for the powder for conveying parcel powder
Pipe 142 is sent, and powder uniform device 141 is arranged on the top of granulation tower 11 and be arranged in parallel with playpipe 121.The powder is equal
Multiple powder injection hole (not shown)s are evenly arranged with cloth device 141, and inside is additionally provided with powder dispenser and (not shown in figure
Go out), for cladding powder to be evenly distributed at each powder injection hole.So, the parcel powder conveyed by powder conduit 142
Under the distribution of the powder uniform device 141, the inside of granulation tower 11 can be uniformly sprayed at, so that it is guaranteed that being kept with grain at the beginning of fertilizer
Effectively contact, grain at the beginning of fertilizer is uniformly wrapped up.
Specifically, in embodiments of the present invention, as shown in figure 1, the vibration Wrap device 15 includes the vibration being obliquely installed
Multiple through holes for being used to screen fertiliser granulates are offered on plate 151, oscillating plate 151, the two ends of oscillating plate 151 are connected to use
In the vibrating motor 152 of the driving screening of reciprocating vibration of oscillating plate 151.Due in actual production, to the fertilizer particle being finally molded
Size there is certain specification requirement, thus, by offering through hole, and the big rootlet of the through hole on oscillating plate 151
Set according to the specification of qualified fertilizer particle.So, the driving of vibrating motor 152 up-down vibration of oscillating plate 151, then makes to fall and is shaking
Just grain is rolled the fertilizer not yet cooled down completely on dynamic plate 151 along the inclined direction of oscillating plate 151 in cladding powder, continues viscous
Glutinous parcel powder, and in the process, just grain will fall the small fertilizer of particle diameter from through hole, and meet defined fertilizer particle
Bottom will be rolled to from along the inclined direction of oscillating plate 151, then from the discharging opening 111 of granulation tower 11 exit into
Further screened in screening machine 16.Such a set-up mode, extends the time of fertilizer just grain cooling, and realizing need not
The cooling for really building grain at the beginning of very higher position can complete fertilizer will be granulated, simultaneously, moreover it is possible to fertile after being molded by oscillating plate 151
Expect the preliminary screening of particle, be then passed through the screening again of screening machine 16, improve the last product quality of composite fertilizer.
Specifically, as shown in figure 1, the top of oscillating plate 151 from granulation tower 11 tilts down setting, inclined oscillating plate
151 lowermost end is arranged at the discharging opening 111 of granulation tower 11.In this way, making fertilizer particle complete parcel and preliminary sieve
After point, it can be all flowed into from the discharging opening 111 of granulation tower 11 in screening machine 16.
Specifically, the effect that the grain at the beginning of improving fertilizer is wrapped up, by oscillating plate about 151 wall provided with multiple, respectively vibrate
Plate 151 is obliquely installed, and two ends are connected to vibrating motor 152, and the lowermost end positioned at the oscillating plate 151 of bottommost is set
At the discharging opening 111 of granulation tower 11.So, just grain is wrapped up fertilizer by the Vibrotumbling of multiple oscillating plates 151, it is ensured that
Roundness degree after last fertilizer particle shaping, shape is more regular, improves the qualification rate of product final molding.In actual setting
In, the oscillating plate 151 being respectively obliquely installed can be arranged in parallel or back and forth be arranged alternately that can also be will be each
Oscillating plate 151 is end to end and forms helical form, also disclosure satisfy that the use demand for rolling parcel.In embodiments of the present invention,
The multiple oscillating plates 151 set in granulation tower 11 are by the way of head and the tail are back and forth arranged alternately, it is ensured that the first grain energy of fertilizer fallen
It is enough to be wrapped up under the common vibration of multiple oscillating plates 151, lift formed product rate.
Referring to Fig. 1, in embodiments of the present invention, it is parallel between feeding device 13 and powder conduit 142 for controlling
The interlocking pump 19 of fertilizer material and parcel powder mixture ratio.So, by the interlocking pump 19 can to the fertilizer material of input and
Cladding powder is controlled, and N P and K eutectic and the proportioning of cladding powder is maintained in rational scope, improves granulating rate,
Returning charge rate is reduced, and then reduces energy consumption.
Specifically, as shown in figure 1, being provided with the bottom of granulation tower 11 for into granulation tower 11, conveying to add from bottom to top
The air blower 21 of vapours, air blower 21 is connected with steam input pipe 211.By setting air blower 21 to be input to vapours
There is provided heat in granulation tower 11, the material in granulation tower 11 is set to keep a suitable temperature during granulating, it is to avoid
Just grain bonds to parcel powder and has just cooled down and can not glue glutinous not gluing the small fertilizer of particle.And the vapours risen is total to N P and K
The drop of melt and parcel powder have a more fully time of contact, and the water in grain at the beginning of taking away powder during the contact
Point, add the intensity after fertilizer particle granulating.
Specifically, in embodiments of the present invention, as shown in figure 1, the top of granulation tower 11 is connected with use by appendix 23
In the dust arrester (not indicated in figure) of the suction internal dust of granulation tower 11, dust arrester includes air exhauster 221 and bag-type dust
Device 222, the air inlet of air exhauster 221 is connected with appendix 23, and the exhaust outlet of air exhauster 221 is connected with sack cleaner 222, this
Sample, the dust laden air in granulation tower 11 is aspirated by air exhauster 221, and the dust laden air enters air exhauster 221 and removed with cloth bag
After in dirt device 222, the filtering dust contained in air can be fallen, be then emitted into aerial.And emptied to improve after filtering
Efficiency, the sack cleaner 222 is also associated with draining into aerial blower fan 223 for aspirating its internal gas.In addition, to carry
The recovery utilization rate of high product, is also associated with for by internal dust granule dispatch in air exhauster 221 and sack cleaner 222
Dust delivering tube 224 on to material-returning device 18.Thus, it is possible to the particle that will be precipitated in air exhauster 221 and sack cleaner 222
And dust collection, the production of fertilizer is used again to by the conveying of material-returning device 18.The setting of this dust arrester, not only
Improve the utilization rate of raw material, it is to avoid waste, but also be avoided that dust pollutes air, it is economic and environment-friendly.
Specifically, as shown in figure 1, screening machine 16 includes sifter 161 and is arranged on the separatory funnel of the lower section of sifter 161
162, finished product packing system 17 is arranged on the lower section of the finished product discharging opening 163 of separatory funnel 162.Due to the discharging from granulation tower 11
The fertilizer particles of the outflow of mouth 111 are not final qualified product, and some fertilizer particle diameters are excessive, and the diameter also having is too small,
And in order to obtain qualified product, just set screening machine 16 to screen fertilizer particle again, satisfactory fertilizer grain
Son just flow to finished product packing system 17 carry out that the later stage is such as moistureproof, storage after anti-caking processing, and the fertilizer particle of bulky grain by
Thick returning charge mouth 164 flows to material-returning device 18, and little particle fertilizer particle then flows to material-returning device 18 by thin returning charge mouth 165, final logical
Cross and reused after crushing.In addition, the cleanliness factor to ensure environment in screening washer 161, it is connected by exhaust tube 166 and air exhauster
Connect, so as to carry out suction dedusting to the dust of its inside, it is ensured that the overall cleanliness factor of production environment.
Additionally provide a kind of prilling process of compound fertilizer granulating system in the embodiment of the present invention, and compound fertilizer granulating system bag
The comminutor 12 that grain at the beginning of for forming fertilizer is provided with granulation tower 11, granulation tower 11 is included, comminutor 12 is connected with for conveying
The feeding device 13 of fertilizer material, the top of comminutor 12 is provided with for spraying parcel powder to wrap up grain at the beginning of fertilizer
Duster, the lower section of comminutor 12 is provided for that grain at the beginning of the fertilizer that falls wrap up again and with screening and conveyed
The vibration Wrap device 15 of function, the end of vibration Wrap device 15 is connected to the discharging opening 111 of granulation tower 11, in granulation tower 11
Discharging opening 111 at be provided with screening machine 16, screening machine 16 is connected with finished product packing system 17, and screening machine 16 and granulation tower 11 are also
Be respectively connected with the material-returning device 18 for conveying unqualified fertilizer particle, the bottom of granulation tower 11 be provided with for from bottom to top to
The air blower 21 of conveying heating steam in granulation tower 11, the top of granulation tower 11 is connected with for aspirating granulation by appendix 23
The dust arrester of the internal dust of tower 11.And the prilling process step is：Fertilizer is conveyed into comminutor 12 by feeding device 13
Raw material, and whole granulating system is opened into confession, including open duster, air blower 21 and dust arrester.The fertilizer being transfused to is former
By comminutor 12, the injection into granulation tower 11 forms grain at the beginning of fertilizer to material, and the fertilizer parcel powder that just grain sprays with duster exists
The aerial glutinous packet splicing of progress is wrapped up in, while also being cooled down.Just grain is dropped on vibration Wrap device 15 fertilizer after one section of height, its
In the fertilizer that does not cool down completely just grain will follow the vibration of oscillating plate 151 and be rolled in parcel powder, continue and parcel powder
End carries out viscous glutinous and wraps up shaping.While grain at the beginning of fertilizer carries out viscous glutinous parcel with parcel powder, by air blower 21 to making
Conveying steam make it that just grain is maintained at the temperature that parcel is molded to fertilizer during granulating in grain tower 11, to lift parcel powder
The time contacted with grain at the beginning of fertilizer, and by dust arrester aspirate granulation tower 11 in dust laden air, and be molded after fertilizer grain
Son enters through discharging opening 111 to be sieved in screening machine 16, and qualified fertilizer particle is packed into finished product packing system 17,
And underproof fertilizer particle is delivered in disintegrating machine broken Posterior circle through material-returning device 18 and used.Such a prilling process, it is comprehensive
The granulation of high tower molten mass and the advantage of drum granulating, highly low, energy consumption is low, the granule strength of formation, water-soluble rate, utilization rate
It is good, the cost of the manufacturing is saved, production efficiency is improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. being provided with a kind of compound fertilizer granulating system, including granulation tower, the granulation tower is used for aerial injection, forms fertilizer
The comminutor of first grain, the comminutor is connected with the feeding device for conveying fertilizer material, it is characterised in that the comminutor
Top be provided with for spray parcel powder come the duster wrapped up grain at the beginning of the fertilizer, the lower section of the comminutor
It is provided with the vibration parcel dress for for grain at the beginning of the fertilizer to falling wrap up again and with screening and conveying function
Put, the end of the vibration Wrap device is connected to the discharging opening of the granulation tower, is set in the discharge outlet of the granulation tower
There is screening machine, the screening machine is connected with finished product packing system, and the screening machine and the granulation tower are also respectively connected with for defeated
Send the material-returning device of unqualified fertilizer particle.
2. compound fertilizer granulating system as claimed in claim 1, it is characterised in that the comminutor includes playpipe, the spray
Penetrate pipe to be connected with the feeding device, multiple sprays for grain at the beginning of aerial injection, formation fertilizer are provided with the playpipe
Head.
3. compound fertilizer granulating system as claimed in claim 2, it is characterised in that the duster includes powder uniform device and use
In conveying parcel powder powder conduit, the powder uniform device be arranged on the top of the granulation tower and with the injection
Pipe be arranged in parallel.
4. compound fertilizer granulating system as claimed in claim 3, it is characterised in that the vibration Wrap device includes being obliquely installed
Oscillating plate, multiple through holes for being used to screen fertiliser granulates are offered on the oscillating plate, the two ends of the oscillating plate connect respectively
It is connected to for driving oscillating plate vibrating motor of reciprocating vibration.
5. compound fertilizer granulating system as claimed in claim 4, it is characterised in that the top of the oscillating plate from granulation tower is downward
It is obliquely installed, the lowermost end of the inclined oscillating plate is arranged at the discharge outlet of the granulation tower.
6. compound fertilizer granulating system as claimed in claim 4, it is characterised in that the feeding device and the powder conduit
Between be parallel with for control fertilizer material with parcel powder mixture ratio interlocking pump.
7. the compound fertilizer granulating system as any one of claim 1 to 6, it is characterised in that the bottom of the granulation tower
The air blower for conveying heating steam into the granulation tower from bottom to top is provided with, the air blower is connected with steam input
Pipe.
8. the compound fertilizer granulating system as any one of claim 1 to 6, it is characterised in that the top of the granulation tower
Dust arrester for aspirating the granulation tower internal dust is connected with by appendix, the dust arrester include air exhauster and
Sack cleaner, the air inlet of the air exhauster is connected with the appendix, and the exhaust outlet of the air exhauster is removed with the cloth bag
Dirt device is connected, and the sack cleaner is also associated with draining into aerial blower fan for aspirating its internal gas, the air exhauster
It is also associated with the sack cleaner for by the dust delivering tube on internal dust granule dispatch to the material-returning device.
9. the compound fertilizer granulating system as any one of claim 1 to 6, it is characterised in that the screening machine includes sieve
Divide device and the separatory funnel being arranged on below the sifter, the finished product packing system is arranged on the finished product of the separatory funnel
Below discharging opening.
10. a kind of prilling process of compound fertilizer granulating system, the compound fertilizer granulating system is included in granulation tower, the granulation tower
The comminutor of grain at the beginning of for forming fertilizer is provided with, the comminutor is connected with the feeding device for conveying fertilizer material, institute
State and be provided with above comminutor for spraying parcel powder come the duster wrapped up grain at the beginning of the fertilizer, the granulation
It is provided for grain at the beginning of the fertilizer that falls being carried out to wrap up again and the vibration bag with screening and conveying function below machine
Device is wrapped up in, the end of the vibration Wrap device is connected to the discharging opening of the granulation tower, in the discharge outlet of the granulation tower
Screening machine is provided with, the screening machine is connected with finished product packing system, and the screening machine and the granulation tower are also respectively connected with use
In the material-returning device for conveying unqualified fertilizer particle, the bottom of the granulation tower is provided with for from bottom to top to the granulation tower
The air blower of interior conveying heating steam, the top of the granulation tower is connected with for aspirating inside the granulation tower by appendix
The dust arrester of dust, it is characterised in that the prilling process step is：By the feeding device into the comminutor it is defeated
Fertilizer material is sent, and opens the duster and the air blower, the comminutor sprays into granulation tower forms grain at the beginning of fertilizer,
The fertilizer parcel powder that just grain sprays with the duster carries out glutinous packet splicing and wraps up in cooling in the air, is fallen on after one section of height described
Vibrate on Wrap device, just grain is rolled the fertilizer not cooled down completely thereon, continue to carry out viscous glutinous parcel shaping with parcel powder, together
When grain at the beginning of steam causes fertilizer is conveyed into granulation tower by the air blower parcel shaping is maintained at during granulating
Temperature, and the dust laden air in granulation tower is aspirated by the dust arrester, and the fertilizer particle after being molded enters through discharging opening
The screening machine is sieved, and qualified fertilizer particle is packed into the finished product packing system, and underproof fertilizer
Particle is delivered in disintegrating machine broken Posterior circle through the material-returning device and used.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187960A (en) * | 2017-12-28 | 2018-06-22 | 大连隆星新材料有限公司 | A kind of powder spraying system |
| CN110090598A (en) * | 2018-01-30 | 2019-08-06 | 徐州市禾协肥业有限公司 | A kind of plate-type device of fertilizer slurry drop curing molding |
| CN112426949A (en) * | 2020-11-02 | 2021-03-02 | 易树华 | Compound fertilizer production equipment with material returning control device and use method thereof |
| CN112645753A (en) * | 2019-10-11 | 2021-04-13 | 任晓芳 | Preparation method of soil fructification prevention calcium supplement agent applied to soil improvement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274244A (en) * | 2008-03-24 | 2008-10-01 | 周建 | Ball shaped 3,3'-dichloro-4,4'-diaminodiphenylmethane (MOCA), preparation and equipment |
| CN201347419Y (en) * | 2008-09-16 | 2009-11-18 | 吴启成 | Gas retort capable of processing 2000 tons of granule oil shale |
| CN101703907A (en) * | 2009-12-11 | 2010-05-12 | 天津泰达环保有限公司 | Method and equipment for granulating wet sludge soft particles |
| CN102836672A (en) * | 2012-04-17 | 2012-12-26 | 常州市宇通干燥设备有限公司 | Horizontal boiling bed of spray granulation fluidized drying system |
| CN204151247U (en) * | 2014-10-25 | 2015-02-11 | 贵州芭田生态工程有限公司 | A kind of for the prilling granulator after nitrophosphate fertilizer evaporation technology |
| CN205308270U (en) * | 2015-12-29 | 2016-06-15 | 山东植丰农化集团有限公司 | Prilling granulator is used in water -soluble fertile production of microelement |
| CN207210288U (en) * | 2017-07-20 | 2018-04-10 | 深圳市芭田生态工程股份有限公司 | Compound fertilizer granulating system |
-
2017
- 2017-07-20 CN CN201710594406.0A patent/CN107213845B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274244A (en) * | 2008-03-24 | 2008-10-01 | 周建 | Ball shaped 3,3'-dichloro-4,4'-diaminodiphenylmethane (MOCA), preparation and equipment |
| CN201347419Y (en) * | 2008-09-16 | 2009-11-18 | 吴启成 | Gas retort capable of processing 2000 tons of granule oil shale |
| CN101703907A (en) * | 2009-12-11 | 2010-05-12 | 天津泰达环保有限公司 | Method and equipment for granulating wet sludge soft particles |
| CN102836672A (en) * | 2012-04-17 | 2012-12-26 | 常州市宇通干燥设备有限公司 | Horizontal boiling bed of spray granulation fluidized drying system |
| CN204151247U (en) * | 2014-10-25 | 2015-02-11 | 贵州芭田生态工程有限公司 | A kind of for the prilling granulator after nitrophosphate fertilizer evaporation technology |
| CN205308270U (en) * | 2015-12-29 | 2016-06-15 | 山东植丰农化集团有限公司 | Prilling granulator is used in water -soluble fertile production of microelement |
| CN207210288U (en) * | 2017-07-20 | 2018-04-10 | 深圳市芭田生态工程股份有限公司 | Compound fertilizer granulating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187960A (en) * | 2017-12-28 | 2018-06-22 | 大连隆星新材料有限公司 | A kind of powder spraying system |
| CN110090598A (en) * | 2018-01-30 | 2019-08-06 | 徐州市禾协肥业有限公司 | A kind of plate-type device of fertilizer slurry drop curing molding |
| CN112645753A (en) * | 2019-10-11 | 2021-04-13 | 任晓芳 | Preparation method of soil fructification prevention calcium supplement agent applied to soil improvement |
| CN112426949A (en) * | 2020-11-02 | 2021-03-02 | 易树华 | Compound fertilizer production equipment with material returning control device and use method thereof |
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