CN202626053U - Continuous envelope fluidized bed for sustained/controlled release fertilizer - Google Patents
Continuous envelope fluidized bed for sustained/controlled release fertilizer Download PDFInfo
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- CN202626053U CN202626053U CN201220196182.0U CN201220196182U CN202626053U CN 202626053 U CN202626053 U CN 202626053U CN 201220196182 U CN201220196182 U CN 201220196182U CN 202626053 U CN202626053 U CN 202626053U
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Abstract
The utility model relates to a continuous envelope fluidized bed for a sustained/controlled release fertilizer, which is used for enveloping granulated fertilizers to prepare the sustained/controlled release fertilizer. The continuous envelope fluidized bed comprises a horizontal bed body which consists of a plurality of parallel fluidization chambers and a discharging bin, and is characterized in that each fluidization chamber is provided with an air inlet pipe, an air chamber, a suspension clapboard and an air outlet pipe which are independent of one another; except a feeding hole, the fluidization chamber is not provided with any air outlet pipe; the granulated fertilizers are preheated on a preheating section sequentially; a liquid envelope material is repeatedly and alternately sprayed on an envelope section; and the granulated fertilizers are discharged out of the discharging bin after being fully dried and solidified on a drying section. The continuous envelop fluidized bed can integrate a continuous feeding and discharging process, a preheating process, an envelope process and a drying process, is simple in process, high in production efficiency, low in energy consumption and high in safety, has a good operating environment, makes the fertilizer enveloped uniformly, can be suitable for envelope materials of different types, and makes the envelope materials of the same type or different types envelope the fertilizer for multiple times/layers.
Description
Technical field
The utility model relates to a kind of slowly/controlled releasing fertilizer with membrane wrapping fluidized-bed continuously, the especially a kind of fluidized bed plant that can realize the extensive production of coating continuously slowly/controlled releasing fertilizer.
Background technology
Equipment on slowly/controlled releasing fertilizer coating production technology mainly is disk dressing machine, coating cylinder (rotary drum) and membrane wrapping fluidized-bed (or spray movable bed) three kinds both at home and abroad at present.Wherein first kind of encapsulation tool mainly is applicable to parcel (or dressing) the type slow release fertilizer that uses the glued technology of inorganic mineral powder to make; But because the slow release effect of this type slow release fertilizer is poor; Nutrient content is low; Fail really to reach the requirement of coating slowly/controlled releasing fertilizer, so this kind equipment does not cause the attention of vast slowly/controlled releasing fertilizer manufacturer.Second kind of encapsulation tool is modal to be to be used to produce sulfur-coated urea, and this equipment does not cause the acidifying of soil to be favored because of the slow release effect of sulfur-coated urea is good with life-time service easily.The third is membrane wrapping fluidized-bed mainly to be to be used for producing the polymer integument type slowly/controlled releasing fertilizer.Common both at home and abroad at present bottom spraying type dressing fluidized-bed, eddy flow lateral spray type dressing fluidized-bed and spray movable bed all belong to this type.But use the coating process of this equipment to be intermittence, thereby greatly limited its output and production efficiency.
Domestic fluidized drum granulator device like people such as Wang Tingjie invention, and use it for the continuous production of polymer emulsion coated carbamide; And people such as Xu Qiuming makes up and improves single jet flow tower dressing equipment, designs the dressing equipment that can realize continuous granulated fertilizer.But these only limit to invention research, the also large-scale industrial production promotion and application of inreal realization.External as the Japanese and U.S. has use fluidized-bed (or spray movable bed) to realize quantity-produced equipment report.But according to the related data introduction, this kind equipment is comparatively complicated, and its film-coating technique remains the further optimization of actual industrial production and perfect, the technology simplification of still needing.
Summary of the invention
The purpose of the utility model is the deficiency to aforesaid device, provides a kind of and can realize the serialization input and output material, integrates preheating, coating and dry large-scale slowly/controlled releasing fertilizer and uses membrane wrapping fluidized-bed continuously.
In order to achieve the above object; The utility model solves the technical scheme that its technical problem adopted: a kind of slowly/controlled releasing fertilizer comprises a body, fluidisation system of distribution, defeated material and paint finishing with membrane wrapping fluidized-bed continuously, and it is characterized in that: the bed body is designed to horizontal; Going out feed bin by a plurality of fluidising chamber arranged side by side and one forms; Fluidising chamber arranged side by side begins to be divided into successively preheating section, coating section and dryer section from dog-house, and each fluidising chamber is spaced from each other by gas chamber clapboard and suspension dividing plate, and first fluidising chamber is provided with dog-house; Go out the afterbody that feed bin is arranged on a body, have discharge port; The fluidisation system of distribution is made up of distribute web plate, blast pipe and air outlet tube of air-flow; Air-flow distribution web plate is arranged on the middle and lower part of fluidising chamber; With gas chamber clapboard the bottom of fluidising chamber is separated and to be independent air chamber; Blast pipe is arranged on each air chamber bottom, and air outlet tube is arranged on the top of each fluidising chamber; Defeated material comprises carrier pipe and spray gun with paint finishing, and spray gun evenly is arranged on the air-flow distribution web plate and a body sidewall in the fluidising chamber of coating section, and carrier pipe and spray gun are supporting.
Described preheating section is for from 1-3 the fluidising chamber that dog-house begins, and the coating section is a 3-5 fluidising chamber after this, and dryer section is again afterwards a 2-4 fluidising chamber, also can suitably increase or reduce the number of fluidising chamber according to actual needs.
Described air-flow distribution web plate is set to concave structure; Purpose is for avoiding itself and a fluidisation dead angle of body junction; The bottom of air-flow distribution web plate is provided with the gas-flow deflector that the Venetian blind formula tilts along the flow direction of granulated fertilizer; Guarantee that granulated fertilizer both had been the boiling shape and has flowed unlikely again leakage forward.
Described suspension dividing plate be arranged on gas chamber clapboard directly over, keep certain distance between its bottom and the air-flow distribution web plate, avoid the dead angle of granulated fertilizer in operational process, cause the coating inequality.
Each air chamber of described fluidising chamber is provided with a blast pipe, and it is outdoor to remove first class, and all the other each fluidising chamber and the top that goes out feed bin are provided with an air outlet tube, the shared blast main of all blast pipes or air outlet tube or connect airduct separately.
Described spray gun comprises end spray spray gun and side spray spray gun, and end spray spray gun is arranged in the middle of the air-flow distribution web plate of coating section fluidising chamber, and side spray spray gun is arranged on coating section fluidising chamber inner suspension dividing plate top and bed body junction.
Spray spray gun of the described end and side spray spray gun are the two-fluid spray gun, and all connect the carrier pipe of bull ladle mould material separately.
Describedly go out between feed bin and last fluidising chamber to be provided with a baffle plate, be used for guaranteeing on the fluidisation indoor air flow distribution web plate a certain amount of granulated fertilizer is arranged.
The two ends sidewall of described bed body, just the dog-house sidewall with go out the feed bin sidewall and be provided with manhole, be convenient to maintenance of the equipment.
The slowly/controlled releasing fertilizer of the utility model is compared with encapsulation tool with membrane wrapping fluidized-bed and existing slowly/controlled releasing fertilizer; Have following outstanding beneficial effect: (1) can the serialization charging and discharging; Preheating, coating and drying process are accomplished in same equipment; Simplify technical process, improved labor productivity and economic benefit, also reduced energy consumption simultaneously; (2) adopt special air-flow distribution web plate, make granulated fertilizer both be the boiling shape and flow unlikely again leakage forward; (3) system is totally-enclosed, micro-negative pressure operation, and no dust overflows and flies upward, good operational environment; (4) coated fertilizer adopts end spray or side spray or the two to carry out simultaneously, guarantees that the coating of product is even; (5) can be used for the repeatedly coating of coated fertilizer of the same race, also can be used as the multilayer coating of different coated fertilizers; (6) the coated fertilizer type that is suitable for is wide, organic solution class coated fertilizer, water soluble resin class coated fertilizer and solvent-free surface reaction type coated fertilizer etc. that can the applied heat plastic resin.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of the utility model;
Fig. 2 is the side-looking structural representation of the utility model;
Fig. 3 is the structure for amplifying synoptic diagram of regional A air-flow distribution web plate among the utility model Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is carried out detailed explanation.
Like Fig. 1, Fig. 2 and shown in Figure 3; A kind of slowly/controlled releasing fertilizer comprises a body 1, air-flow distribution web plate 10, blast pipe 6 and air outlet tube 7, carrier pipe 3, end spray spray gun 9a and side spray spray gun 9b with membrane wrapping fluidized-bed continuously, and bed body 1 is designed to horizontal; Going out feed bin 12 by a plurality of fluidising chamber arranged side by side and one forms; Fluidising chamber arranged side by side is divided into preheating section, coating section and dryer section successively from dog-house 2 beginnings, and each fluidising chamber is spaced from each other by gas chamber clapboard 5 and suspension dividing plate 7, and first fluidising chamber is provided with dog-house 2; Go out the afterbody that feed bin 12 is arranged on a body, have discharge port 13; Air-flow distribution web plate 10 is arranged on the middle and lower part of fluidising chamber, separates with gas chamber clapboard 5 bottoms with fluidising chamber to be that independent air chamber 4, blast pipe 6 are arranged on air chamber 4 bottoms, and air outlet tube 8 is arranged on the top of each fluidising chamber; End spray spray gun 9a is arranged in the middle of the air-flow distribution web plate 10 of coating section fluidising chamber, and side spray spray gun 9b is arranged on coating section fluidising chamber inner suspension dividing plate 7 tops and bed body 1 junction.
Described preheating section is that the coating section is a 3-5 fluidising chamber after this from 1-3 fluidising chamber of dog-house 2 beginning, and dryer section is again afterwards a 2-4 fluidising chamber, also can suitably increase or reduce the number of fluidising chamber according to actual needs.
Described air-flow distribution web plate 10 is set to concave structure; Purpose is for avoiding itself and a fluidisation dead angle of body 1 junction; The bottom of air-flow distribution web plate 10 is provided with the gas-flow deflector that the Venetian blind formula tilts along the flow direction of granulated fertilizer; Guarantee that granulated fertilizer both had been the boiling shape and has flowed unlikely again leakage forward.
Described suspension dividing plate 7 be arranged on gas chamber clapboard 5 directly over, keep certain distance between its bottom and the air-flow distribution web plate 10, avoid the dead angle of granulated fertilizer in operational process, cause the coating inequality.
Each air chamber 4 of described fluidising chamber is provided with a blast pipe 6, and it is outdoor to remove first class, and all the other each fluidising chamber and the top that goes out feed bin 13 are provided with an air outlet tube 8, all blast pipes 6 or air outlet tube 8 shared blast mains or connect airduct separately.
Described end spray spray gun 9a and side spray spray gun 9b are the two-fluid spray gun, and all connect the carrier pipe 3 of bull ladle mould material separately.
Describedly go out between feed bin 12 and last fluidising chamber to be provided with a baffle plate 11, be used for guaranteeing on the fluidisation indoor air flow distribution web plate 10 a certain amount of granulated fertilizer is arranged.
The two ends sidewall of described bed body 1, just dog-house 2 sidewalls with go out feed bin 12 sidewalls and be provided with manhole 14, be convenient to maintenance of the equipment.
When adopting the utility model to carry out the coating of slowly/controlled releasing fertilizer; Hot blast enters in the air chamber 4 through blast pipe 6; Flow direction at the effect lower edge of air-flow distribution web plate 10 granulated fertilizer is tilted in the evenly entering fluidising chamber, discharges through the air outlet tube 8 at bed body 1 top then.This wherein, hot blast provides power to make granulated fertilizer in fluidising chamber, form the fluidized-bed layer with fluidized character as fluidizing medium.On the one hand, hot blast is that heat transfer and the mass transfer in the granulated fertilizer coating process provides the required energy, plays the effect that granulated fertilizer is transmitted forward on the other hand.The temperature of hot blast is decided according to granulated fertilizer and coated fertilizer.
Granulated fertilizer is the boiling shape and flows forward after dog-house 2 gets into bed body 1.At first granulated fertilizer is heated to certain temperature at preheating section; The end spray spray gun 9a of coating section is or/and side is sprayed spray gun 9b then to being sprayed the liquid coated fertilizer by particles preheated fertilizer surface, and feed liquid is dried again, solidifies when the granulated fertilizer surface-coated becomes film, then carries out next round spraying, dry and curing; Granulated fertilizer behind the coating in dryer section by finish-drying and curing; Last coated granular fertilizer carries out discharging going out feed bin 12, gets into next link, like cooling etc.
The total system of the utility model is a full-closed structure, adopts induced draft fan to carry out air draft, has guaranteed that whole interior environment is little negative pressure, avoids material from leakage, good operational environment, and SF is high.
Coated fertilizer can adopt end spray or side spray or the two to carry out simultaneously in the utility model, guarantees that the product coating is even.
The utility model can be used for the repeatedly coating of coated fertilizer of the same race, also can be used as the multilayer coating of different coated fertilizers.
The coated fertilizer type that the utility model was suitable for is wide, both can be organic solution class coated fertilizer, the water soluble resin class coated fertilizer of thermoplastic resin, can be solvent-free surface reaction type coated fertilizer etc. again.
The utility model also can be used for the granulation of fertilizer except that the slow/controlled release coating that is applicable to granulated fertilizer, and coating (or dressing), granulation and the drying of the liquid material in fields such as chemical industry, feed, food and pharmacy.
Except that the described technical characterictic of specification sheets, be the known technology of those skilled in the art.
Claims (1)
1. a slowly/controlled releasing fertilizer comprises a body, fluidisation system of distribution, defeated material and paint finishing with membrane wrapping fluidized-bed continuously, and it is characterized in that: the bed body is designed to horizontal; Going out feed bin by a plurality of fluidising chamber arranged side by side and one forms; Fluidising chamber arranged side by side begins to be divided into successively preheating section, coating section and dryer section from dog-house, and each fluidising chamber is spaced from each other by gas chamber clapboard and suspension dividing plate, and first fluidising chamber is provided with dog-house; Go out the afterbody that feed bin is arranged on a body, have discharge port; The fluidisation system of distribution is made up of distribute web plate, blast pipe and air outlet tube of air-flow; Air-flow distribution web plate is arranged on the middle and lower part of fluidising chamber; With gas chamber clapboard the bottom of fluidising chamber is separated and to be independent air chamber; Blast pipe is arranged on each air chamber bottom, and air outlet tube is arranged on the top of each fluidising chamber; Defeated material comprises carrier pipe and spray gun with paint finishing, and spray gun evenly is arranged on the air-flow distribution web plate and a body sidewall in the fluidising chamber of coating section, and carrier pipe and spray gun are supporting.
2, a kind of slowly/controlled releasing fertilizer according to claim 1 is with membrane wrapping fluidized-bed continuously; It is characterized in that: described preheating section is 1-3 fluidising chamber from dog-house begins; The coating section is a 3-5 fluidising chamber after this, and dryer section is again afterwards a 2-4 fluidising chamber.
3, a kind of slowly/controlled releasing fertilizer according to claim 1 is with membrane wrapping fluidized-bed continuously, and it is characterized in that: described air-flow distribution web plate is set to concave structure, and its bottom is provided with the gas-flow deflector that the Venetian blind formula tilts along the flow direction of granulated fertilizer.
4, a kind of slowly/controlled releasing fertilizer according to claim 1 is characterized in that with membrane wrapping fluidized-bed continuously: described suspension dividing plate be arranged on gas chamber clapboard directly over, the certain distance of maintenance between its bottom and the air-flow distribution web plate.
5, a kind of slowly/controlled releasing fertilizer according to claim 1 is with membrane wrapping fluidized-bed continuously; It is characterized in that: each air chamber of described fluidising chamber is provided with a blast pipe; It is outdoor to remove first class; All the other each fluidising chamber and the top that goes out feed bin are provided with an air outlet tube, the shared blast main of all blast pipes or air outlet tube or connect airduct separately.
6, a kind of slowly/controlled releasing fertilizer according to claim 1 is with membrane wrapping fluidized-bed continuously; It is characterized in that: described spray gun comprises end spray spray gun and side spray spray gun; End spray spray gun is arranged in the middle of the air-flow distribution web plate of coating section fluidising chamber, and side spray spray gun is arranged on coating section fluidising chamber inner suspension dividing plate top and bed body junction.
7, a kind of slowly/controlled releasing fertilizer according to claim 6 is characterized in that with membrane wrapping fluidized-bed continuously: spray spray gun of the described end and side spray spray gun are the two-fluid spray gun, and all connect the carrier pipe of bull ladle mould material separately.
8, a kind of slowly/controlled releasing fertilizer according to claim 1 is characterized in that with membrane wrapping fluidized-bed continuously: describedly go out between feed bin and last fluidising chamber to be provided with a baffle plate.
9, a kind of slowly/controlled releasing fertilizer according to claim 1 is characterized in that with membrane wrapping fluidized-bed continuously: the two ends sidewall of described bed body, just the dog-house sidewall with go out the feed bin sidewall and be provided with manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220196182.0U CN202626053U (en) | 2012-05-04 | 2012-05-04 | Continuous envelope fluidized bed for sustained/controlled release fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220196182.0U CN202626053U (en) | 2012-05-04 | 2012-05-04 | Continuous envelope fluidized bed for sustained/controlled release fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202626053U true CN202626053U (en) | 2012-12-26 |
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ID=47379273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220196182.0U Withdrawn - After Issue CN202626053U (en) | 2012-05-04 | 2012-05-04 | Continuous envelope fluidized bed for sustained/controlled release fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202626053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449912A (en) * | 2013-08-26 | 2013-12-18 | 湖北富邦科技股份有限公司 | Synchronous photocuring coating roller for slow/controlled-release fertilizer |
| CN103449913A (en) * | 2013-08-26 | 2013-12-18 | 湖北富邦科技股份有限公司 | Alternating photocuring coating roller for slow/controlled-release fertilizer |
-
2012
- 2012-05-04 CN CN201220196182.0U patent/CN202626053U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449912A (en) * | 2013-08-26 | 2013-12-18 | 湖北富邦科技股份有限公司 | Synchronous photocuring coating roller for slow/controlled-release fertilizer |
| CN103449913A (en) * | 2013-08-26 | 2013-12-18 | 湖北富邦科技股份有限公司 | Alternating photocuring coating roller for slow/controlled-release fertilizer |
| 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 |
| CN103449912B (en) * | 2013-08-26 | 2015-08-12 | 湖北富邦科技股份有限公司 | A kind of slowly/controlled releasing fertilizer synchronous mode photocuring coating cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121226 Effective date of abandoning: 20140319 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121226 Effective date of abandoning: 20140319 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |