CN102503670B - Continuous coating device for coated controlled-release fertilizer - Google Patents

Continuous coating device for coated controlled-release fertilizer Download PDF

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Publication number
CN102503670B
CN102503670B CN2011103240357A CN201110324035A CN102503670B CN 102503670 B CN102503670 B CN 102503670B CN 2011103240357 A CN2011103240357 A CN 2011103240357A CN 201110324035 A CN201110324035 A CN 201110324035A CN 102503670 B CN102503670 B CN 102503670B
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ramp
spiral
rotating shaft
coating device
central rotating
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CN102503670A (en
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丁方军
孟庆羽
张娟
王洪凤
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Shandong Nongda Feiye Technology Co ltd
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SHANDONG AGRUNIV FERT SCITECH CO Ltd
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Abstract

The invention discloses a continuous coating device for a coated controlled-release fertilizer, which comprises a vertical rotary drum, wherein a spiral gliding slope is arranged in the cylinder of the rotary drum; the lower end of the cylinder is provided with a discharge and hot air inlet corresponding to the gliding slope; one side of the inlet end of the cylinder is provided with a preheater; and a coating and spraying device is arranged behind the preheater along the spiral gliding slope. Compared with the prior art, the invention can overcome the defects of primary coating, discontinuity, low productive capacity and poor product quality in the existing device.

Description

Continuous coating device for coating controlled-release fertilizer
Technical field
The present invention relates to that chemical machinery, apparatus and process neck---the coating process device is specifically related to a kind of continuous coating device for coating controlled-release fertilizer.
Background technology
At present, the slow-release or control-release fertilizer industry development is rapid, in coating coating type sustained-controll-release fertiliser manufacturing processed, often needs that material is carried out to multi-coated and solidifies; There are the phenomenons such as coating process is discontinuous, facility investment is large, production energy consumption is high, are difficult to meet the produce market requirement.
Summary of the invention
The purpose of this invention is to provide a kind of continuous coating device for coating controlled-release fertilizer, solve coating of existing apparatus, discontinuous, production capacity is low, the defect of poor product quality.
For achieving the above object, the present invention by the following technical solutions:
A kind of continuous coating device for coating controlled-release fertilizer, comprise cylindrical shell, in cylindrical shell, is provided with spiral downslide ramp, is provided with the coating spray equipment along spiral downslide ramp.
Above-mentioned coating device, described cylindrical shell is the vertical rotating cylinder, in cylindrical shell, is provided with central rotating shaft, and spiral downslide ramp is fixed on the central rotating shaft outer wall, and central rotating shaft rotating vector direction and downslide direction vector are in obtuse angle.
Above-mentioned coating device, the inside and outside edge in described spiral downslide ramp is provided with stock stop.
The tangential direction in spiral downslide ramp is horizontal by certain angle: the tangential direction in spiral downslide ramp is horizontal by certain angle: it sprays by angle between position and horizontal plane before cylindrical shell be the 5-15 degree, and after fixing is the 15-60 degree by angle between part and horizontal plane.
Spiral downslide ramp is mesh structure, and the cylindrical shell two ends are provided with the hot blast gangway.
Central rotating shaft is tubulose, in it, is provided with jet pipe, and the shower nozzle of jet pipe is towards the spiral ramp that glides.
Described coating agent spraying interface is set to rotate the airtight connection of end socket: in central rotating shaft, be provided with sleeve pipe, between sleeve pipe and center roller bearing, be provided with multiple-sealed circle, between adjacent two sealing-rings, form sealed chamber, sealed chamber's casing wall connection is provided with jet pipe, the outer connection of central rotating shaft wall is provided with the shower nozzle towards spiral downslide ramp.With coating device, be connected with vibrating device.
Between described downslide ramp and cylindrical shell, be provided with maintenance channel.
Beneficial effect of the present invention shows:
Continuous coating device of the present invention adopts cylindrical shell, and the spiral sliding channel is set in cylindrical shell, on this passage, arranges pre-
Hot charging is put and spray equipment, and fertilizer is realized preheating, coating and solidified in ramp downslide process, but the technique of original one pot of pot coating has been avoided in continous way production.
Further, adopt the vertical rotating cylinder, make spiral downslide ramp vertical on the whole on the one hand, the gravity of fertilizer self provides sliding force, is arranged so that vertically sliding force maximizes, solved the spraying coating after the fertilizer adhesion be difficult for the problem glided; In obtuse angle, in rotation process, drop back in the downslide ramp for central rotating shaft rotating vector direction and downslide direction vector, and outer throwing coated fertilizer, further strengthen the smoothness that fertilizer glides, and is convenient to fertilizer and glides.
Described spiral downslide ramp outer edge is provided with stock stop, and this stock stop can be realized by intrinsic cylindrical shell, also in spiral place, downslide ramp, outer, downslide ramp, is establishing closed or inc passage.
The downslide ramp is little on top and the horizontal plane gradient, the bottom gradient is large, after coating, makes the downslide power of fertilizer gravity on the downslide ramp increase, and further improves the smoothness that fertilizer glides, and is convenient to fertilizer and glides.
Spiral downslide ramp is mesh structure, and the cylindrical shell two ends are provided with the hot blast gangway.Hot-wind inlet preferably is arranged at ，You top, upper end inlet air, is convenient to spraying and solidifies, and screen cloth has also guaranteed fully contacting of hot blast and material.
Central rotating shaft is tubulose, in it, is provided with jet pipe, and the shower nozzle of jet pipe is towards the spiral ramp that glides; This setting can realize that the upper and lower Ge Tong of central rotating shaft establishes spray pipe, is applicable to the less fertiliser production of spraying coating operation.
Described coating agent spraying interface is set to rotate the airtight connection of end socket: central rotating shaft rotation and its inner sleeve is motionless, the upper and lower ends of central rotating shaft all can arrange a plurality of jet pipes, and jet pipe is fixedly connected with sleeve pipe, can not produce the situation of winding, and the outer shower nozzle of annular seal space can spray in the glide fixed point in ramp of spiral, the spraying coating is even.
With coating device, be connected with vibrating device, vibration can make fertilizer tremble up and down, can break away from the downslide ramp, guarantees the downslide of fertilizer.
Coating one cylinder; Described No. 1 cylinder is the vertical rotary cylinder, and the inner material track for spiral decline of cylinder, install a plurality of spraying pipelines in certain position, sprays in the process that material descends.Cylinder top is air-vent and material feeding mouth, and the cylindrical shell bottom is discharge port and hot-wind inlet.
The coating agent spray system adopts, and in the barrel support part, control is fixed, and the interpolation of spray coating liquor is used and sealed the track principle that changes the outfit.
As can be seen here; the present invention adopts vertical coating cylinder, adopts classification coating mode, and existing different coating agent are sprayed respectively to coating in different disks batch production mode changes the straightline-flow continuous production mode into; can the large-scale production Controlled Release Fertilizer, production effect is high.
Cylinder be arranged on the process that material moves down, utilize the time difference of various coating agent sprayings, increased coating agent solidification process, make institute's coated fertilizer more evenly, firmly, reliable, improve the quality of products.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is its partial enlarged drawing.
Embodiment
As shown in Fig. 1, a kind of continuous coating device for coating controlled-release fertilizer, comprise the vertical rotating cylinder, in the cylindrical shell 1 of swing roller, be provided with spiral downslide ramp 5, cylindrical shell 1 lower end is provided with and discharging corresponding to ramp 5 and the hot-blast outlet of gliding, cylindrical shell inlet end one side is provided with hot-wind inlet, is provided with the coating spray equipment along 5 primary heater unit rears, spiral downslide ramp.
In cylindrical shell 1, be provided with central rotating shaft 2, described spiral downslide ramp 5 is fixed on central rotating shaft 2 outer walls, and central rotating shaft 2 rotating vector directions and downslide direction vector are in obtuse angle.
The tangential direction in spiral downslide ramp 5 is horizontal by certain angle: its angle between cylindrical shell top 1/4 part and horizontal plane is 15 degree, its angle between cylindrical shell residue 3/4 part and horizontal plane is 20 degree, spiral downslide ramp 5 can be designed and become sieve-mesh, be convenient to hot blast and from top to bottom be cured, make the fertilizer reduced viscosity after solidifying, glide smooth and easy.
When the spray coating liquor fewer (no more than two kinds) of spraying coating, central rotating shaft 2 is tubulose, and the upper and lower ends of central rotating shaft 2 respectively is provided with a jet pipe, and the shower nozzle be connected with jet pipe rotary seal is towards the spiral ramp that glides.
When the described coating agent spraying interface of the spray coating liquor of spraying coating many (more than two kinds time) is set to rotate the airtight connection of end socket: in central rotating shaft, be provided with sleeve pipe 3, between sleeve pipe 3 and central rotating shaft 2, be provided with multiple-sealed circle 6, between adjacent two sealing-rings 6, form sealed chamber, sealed chamber's casing wall connection is provided with jet pipe, the outer connection of central rotating shaft 2 walls is provided with the shower nozzle towards spiral downslide ramp 5.
With coating device, be connected with vibrating device, described vibrating device mode of connection can have multiple, as long as can realize, the spiral ramp that glides is vibrated.
Described spiral downslide ramp outer edge is provided with stock stop 4, this stock stop can be by various ways, such as equipment hour, suitably adjusting the cylinder inboard wall diameter makes cylinder inboard wall and downslide ramp close contact get final product, also can be at downslide ramp lateral edges fixing seal or unsealed baffle plate, also can increase in the whole outside in downslide ramp sealing gear cylinder of cover, for ease of maintenance, come down in these cases and cylindrical shell between be provided with maintenance channel.
In production process, fertilizer enters lift after the electronic measuring scale metering, is promoted to cylinder feeding mouth heat to the 40-80 degree; Along with the material rotation moves down the spraying of carrying out weighting agent; After solidifying, carry out the spraying of water-resisting agent; After solidifying, carry out the spraying of protective agent; After solidifying, discharging enters the packing feed bin, carries out metering packing.

Claims (7)

1. continuous coating device for coating controlled-release fertilizer, it is characterized in that, comprise the vertical rotating cylindrical shell, in cylindrical shell, be provided with central rotating shaft and spiral downslide ramp, spiral downslide ramp is fixed on the central rotating shaft outer wall, and central rotating shaft rotating vector direction and downslide direction vector are in obtuse angle; Central rotating shaft is tubulose, in it, is provided with jet pipe, and the shower nozzle of jet pipe is towards the spiral ramp that glides; Along spiral downslide ramp, be provided with the coating spray equipment.
2. according to the described coating device of claim 1, it is characterized in that: the inside and outside edge in described spiral downslide ramp is provided with stock stop.
3. according to the described coating device of claim 1 or 2, it is characterized in that: the tangential direction in spiral downslide ramp is horizontal by certain angle: it sprays by angle between position and horizontal plane before cylindrical shell be the 5-15 degree, and after fixing is the 15-60 degree by angle between part and horizontal plane.
4. according to the described coating device of claim 3, it is characterized in that: spiral downslide ramp is mesh structure, and the cylindrical shell two ends are provided with the hot blast gangway.
5. according to the described coating device of claim 1, it is characterized in that: described coating agent spraying interface is set to rotate the airtight connection of end socket: in central rotating shaft, be provided with sleeve pipe, between sleeve pipe and central rotating shaft, be provided with multiple-sealed circle, between adjacent two sealing-rings, form sealed chamber, sealed chamber's casing wall connection is provided with jet pipe, the outer connection of central rotating shaft wall is provided with the shower nozzle towards spiral downslide ramp.
6. according to the described coating device of claim 3, it is characterized in that: be connected with vibrating device with coating device.
7. according to the described coating device of claim 1, it is characterized in that: be provided with maintenance channel between described downslide ramp and cylindrical shell.
CN2011103240357A 2011-10-24 2011-10-24 Continuous coating device for coated controlled-release fertilizer Active CN102503670B (en)

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Publication number Priority date Publication date Assignee Title
CN103449913B (en) * 2013-08-26 2015-04-22 湖北富邦科技股份有限公司 Alternating photocuring coating roller for slow/controlled-release fertilizer
CN104609941B (en) * 2014-12-23 2018-10-23 扬州雷鸥电业有限公司 A kind of continuous sedimentation type prepares the coating drying unit and method of coated fertilizer
CN107458634B (en) * 2017-07-07 2019-02-05 重庆金满地肥料有限公司 A kind of large-particle fertilizer coating device
CN108329125A (en) * 2018-04-13 2018-07-27 凤台县农之梦家庭农场有限公司 A kind of coating device of slow release fertilizer
CN109134095A (en) * 2018-10-29 2019-01-04 天津绿之本生物科技有限公司 A kind of rocking type slow-release fertilizer coating device

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US2413693A (en) * 1944-02-03 1947-01-07 Aluminum Co Of America Agglomerating device
US5433961A (en) * 1993-02-16 1995-07-18 The Procter & Gamble Company Continuous preparation of non-aggregated edible cores with crisp farinaceous coatings
CN200946130Y (en) * 2006-09-26 2007-09-12 徐庆海 Slow-releasing fertilizer self-control film-packing device
CN102107128B (en) * 2009-12-25 2012-10-24 中国科学院沈阳应用生态研究所 Bottom spray-type fluidization coating equipment
CN102126896A (en) * 2011-04-22 2011-07-20 湖北富邦科技股份有限公司 Method for producing water-soluble resin coating of slow release fertilizer and coating device
CN202297415U (en) * 2011-10-24 2012-07-04 山东农大肥业科技有限公司 Continuous coating device for coated controlled-release fertilizer

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