CN215975593U - Coated fertilizer production device - Google Patents
Coated fertilizer production device Download PDFInfo
- Publication number
- CN215975593U CN215975593U CN202121847937.4U CN202121847937U CN215975593U CN 215975593 U CN215975593 U CN 215975593U CN 202121847937 U CN202121847937 U CN 202121847937U CN 215975593 U CN215975593 U CN 215975593U
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- CN
- China
- Prior art keywords
- fluidized bed
- air
- fertilizer
- baffle plate
- chamber
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 63
- 238000003860 storage Methods 0.000 claims abstract description 18
- 230000001939 inductive effect Effects 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 abstract description 15
- 239000007921 spray Substances 0.000 abstract description 10
- 239000011247 coating layer Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 description 6
- 239000012752 auxiliary agent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Images
Landscapes
- Fertilizers (AREA)
- Glanulating (AREA)
Abstract
The utility model provides a coated fertilizer production device which comprises a fluidized bed, wherein a front baffle plate and a rear baffle plate are arranged in the fluidized bed, the fluidized bed is divided into a left chamber, a middle chamber and a right chamber by the front baffle plate and the rear baffle plate, a material B atomizing spray head is arranged in the middle chamber, the material B atomizing spray head is connected with a material B storage tank through a material B delivery pump, a material A atomizing spray head is arranged in the right chamber, the material A atomizing spray head is connected with the material A storage tank through a material A delivery pump, a fertilizer feed inlet is formed in the side wall of the right chamber, a fertilizer discharge outlet is formed in the left chamber, a fluidized air delivery system comprises an air inlet mechanism and an air inducing mechanism, the air inlet mechanism comprises a fluidized bed air blower and a heat exchanger, the fluidized bed air blower is connected with the heat exchanger and the fluidized bed through an air inlet pipeline, the air inducing mechanism comprises a fluidized bed induced draft fan, and the fluidized bed induced draft fan is connected with an air outlet of the fluidized bed through an air inducing pipeline. The device adopts an inner baffling baffle type fluidized bed, the fertilizer baffls and moves in the fluidized bed, and the coating agent is coated on the surface of the fertilizer to form a stable coating layer.
Description
Technical Field
The utility model relates to the field of fertilizer production devices, in particular to a coated fertilizer production device.
Background
The traditional fluidized bed coating process adopts a vertical coating tower, granular fertilizer enters a fluidized bed through a feeding system, is preheated to a proper temperature by hot air, and is introduced with preheated air through an air blower, so that fertilizer granules in the fluidized bed rise, and form jet flow in the coating tower, and when nitrogen granules reach the top of the jet flow and return to an annular gap between the jet flow and the wall of a reactor, fixed rotary motion in the bed is formed, namely, a fluidized state is achieved under the action of vibration and dry hot air.
The key factor for determining the coating effect is the retention time of the fertilizer in the coating tower, the short retention time can cause the insufficient spraying time and the insufficient spraying amount of the coating agent, and the insufficient drying, solidification and cooling time of the auxiliary agent on the surface of the fertilizer, thereby causing the poor coating effect.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a coated fertilizer production device, which adopts an internal baffling baffle type fluidized bed, wherein the fertilizer performs baffling motion in the fluidized bed, and a coating agent is coated on the surface of the fertilizer to form a stable coating layer.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a coated fertilizer production device comprises a fluidized bed, wherein a front baffle plate and a rear baffle plate are respectively arranged in the fluidized bed close to an air inlet and an air outlet, the fluidized bed is divided into a left chamber, a middle chamber and a right chamber by the front baffle plate and the rear baffle plate, a material B atomizing spray head is arranged in the middle chamber, the material B atomizing spray head is connected with a material B storage tank through a material B delivery pump and a pipeline, a material A atomizing spray head is arranged in the right chamber, the material A atomizing spray head is connected with the material A storage tank through a material A delivery pump and a pipeline, a fertilizer feed inlet is arranged on the side wall of the right chamber, a fertilizer discharge outlet is arranged in the left chamber, the fluidized bed is connected with a fluidized air delivery system, the fluidized air delivery system comprises an air inlet mechanism and an air inducing mechanism, the air inlet mechanism comprises a fluidized bed air blower and a heat exchanger, the fluidized bed air blower is sequentially connected with the heat exchanger and the air inlet of the fluidized bed through an air inlet pipeline, the air inducing mechanism comprises a fluidized bed draught fan, the fluidized bed induced draft fan is connected with the air outlet of the fluidized bed through an induced draft pipeline.
In a preferred scheme, an air inlet distribution plate and an air outlet distribution plate are respectively arranged at an air inlet and an air outlet of the fluidized bed.
In a preferable scheme, steam jackets are arranged on the outer sides of the material A storage tank and the material B storage tank.
According to the coated fertilizer production device, the horizontal fluidized bed is adopted, the front baffle plate and the rear baffle plate are arranged in the fluidized bed, the fertilizer performs baffling motion under the action of fluidized air, the residence time of the fertilizer in the fluidized bed is prolonged, after the fertilizer is coated, the surface auxiliary agent has enough cooling and solidifying time, and the formed coated layer is more stable. The coating agent A and the coating agent B are sprayed on the surface of the fertilizer in sequence and are in relatively isolated spaces under the action of the front baffle plate and the rear baffle plate, so that the material A and the material B cannot be influenced mutually, and stable coating layer formation is facilitated.
Drawings
The utility model is further illustrated with reference to the accompanying drawings and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: the device comprises a fluidized bed 1, a front baffle plate 2, a rear baffle plate 3, a B material atomization spray head 4, a B material conveying pump 5, a B material storage tank 6, an A material atomization spray head 7, an A material conveying pump 8, an A material storage tank 9, a fluidized bed air blower 10, a heat exchanger 11, a fluidized bed induced draft fan 12, an air inlet distribution plate 13, an air outlet distribution plate 14, a steam jacket 15, a left chamber 101, a middle chamber 102, a right chamber 103, a fertilizer feeding hole 104 and a fertilizer discharging hole 105.
Detailed Description
As shown in figure 1, the coated fertilizer production device comprises a fluidized bed 1, a front baffle plate 2 and a rear baffle plate 3 are respectively arranged in the fluidized bed 1 close to an air inlet and an air outlet, a material passing channel is arranged between the upper end of the front baffle plate 2 and the top of the fluidized bed 1 and between the lower end of the rear baffle plate 3 and the bottom of the fluidized bed 1, the fluidized bed 1 is divided into a left chamber 101, a middle chamber 102 and a right chamber 103 by the front baffle plate 2 and the rear baffle plate 3, a material B atomizing nozzle 4 is arranged in the middle chamber 102, the material B atomizing nozzle 4 is arranged at the top of the middle chamber 102, the material B atomizing nozzle 4 is connected with a material B storage tank 6 through a material B delivery pump 5 and a pipeline, a material atomizing nozzle 7 is arranged in the right chamber 103, the material A material atomizing nozzle 7 is arranged at the lower part of the right chamber 103, the material A material atomizing nozzle 7 is connected with a material storage tank 9 through a material delivery pump 8 and a pipeline, a fertilizer inlet 104 is arranged on the side wall of the right chamber 103, a fertilizer outlet 105 is arranged in the left chamber 101, fluidized bed 1 is connected with fluidized air conveying system, and fluidized air conveying system includes air inlet mechanism and induced air mechanism, and air inlet mechanism includes fluidized bed air-blower 10 and heat exchanger 11, fluidized bed air-blower 10 pass through the intake stack in proper order with heat exchanger 11 and fluidized bed 1's air intake connection, and induced air mechanism includes fluidized bed draught fan 12, and fluidized bed draught fan 12 passes through the induced air pipeline and is connected with fluidized bed 1's air outlet.
Fertilizer particles enter a fluidized bed material groove from a fertilizer feed inlet 104 at the upper part of a fluidized bed 1, air is fed into a heat exchanger 11 through a fluidized bed blower 10, heating steam is introduced into the tube pass of the heat exchanger 11 to preheat the air to 100-200 ℃, hot air enters a right chamber 103, meanwhile, a fluidized bed draft fan 12 conducts drainage, a baffled fluidizing air is formed inside the fluidized bed 1, the fertilizer is enabled to reach a fluidizing state in the fluidized bed 1, and the fertilizer enters a left chamber 101 at the left side of a rear baffle plate 3 from a right chamber 101 at the right side of a front baffle plate 2 through a middle chamber 102.
The coating agent A is qualified in the A material storage tank 9, is conveyed into the right chamber 103 of the fluidized bed 1 through the A material conveying pump 8, passes through the A material atomizing nozzle 7, and is uniformly coated on the surface of the fertilizer.
The fertilizer coated with the material A enters the middle chamber 102 under the action of fluidized air, the coating agent B is qualified in the material B storage tank 6, is conveyed to the upper part of the middle chamber 102 through the material B conveying pump 5, is uniformly coated on the surfaces of fertilizer particles through the material B atomizing nozzle 4, then enters the left chamber 101 along with the fluidized air, and leaves the fluidized bed 1 through the fertilizer discharge port 105 at the left upper part of the fluidized bed 1 after being dried and cooled in the left chamber 101.
Preferably, the air inlet and the air outlet of the fluidized bed 1 are respectively provided with an air inlet distribution plate 13 and an air outlet distribution plate 14.
Through setting up air inlet distributing plate 13 and air outlet distributing plate 14, can guarantee that the air current is more even gets into in the fluidized bed 1.
And steam jackets 15 are arranged on the outer sides of the material A storage tank 9 and the material B storage tank 6. Through setting up steam jacket 15, respectively with A material and B material temperature control between 50~100 ℃, conveniently preheat and keep warm the coating agent.
The device adopts horizontal fluidized bed, and baffle 2 before and baffle 3 behind the fluidized bed 1 sets up, and fertilizer baffling motion has prolonged fertilizer dwell time in fluidized bed 1 under the effect of fluidization wind, and fertilizer is wrapped up the back, and surface auxiliary agent has enough time of cooling solidification, and the rete that forms is more stable.
The coating agent A and the coating agent B are sequentially sprayed on the surface of the fertilizer and are in relatively isolated spaces under the action of the front baffle plate 2 and the rear baffle plate 3, so that the material A and the material B cannot be influenced mutually, and stable coating layer formation is facilitated.
Claims (3)
1. The utility model provides a coated fertilizer apparatus for producing, includes fluidized bed (1), its characterized in that: the fluidized bed (1) is internally provided with a front baffle plate (2) and a rear baffle plate (3) which are close to an air inlet and an air outlet respectively, the fluidized bed (1) is divided into a left chamber (101), a middle chamber (102) and a right chamber (103) by the front baffle plate (2) and the rear baffle plate (3), the middle chamber (102) is internally provided with a B material atomizing nozzle (4), the B material atomizing nozzle (4) is connected with a B material storage tank (6) through a B material conveying pump (5) and a pipeline, the right chamber (103) is internally provided with an A material atomizing nozzle (7), the A material atomizing nozzle (7) is connected with an A material storage tank (9) through an A material conveying pump (8) and a pipeline, the side wall of the right chamber (103) is provided with a fertilizer inlet (104), the left chamber (101) is provided with a fertilizer outlet (105), the fluidized bed (1) is connected with a fluidized air conveying system, the fluidized air conveying system comprises an air inlet mechanism and an air inducing mechanism, the air inlet mechanism comprises a fluidized bed air blower (10) and a heat exchanger (11), the fluidized bed air blower (10) is sequentially connected with the heat exchanger (11) and the air inlet of the fluidized bed (1) through an air inlet pipeline, the air inducing mechanism comprises a fluidized bed induced draft fan (12), and the fluidized bed induced draft fan (12) is connected with the air outlet of the fluidized bed (1) through an air inducing pipeline.
2. The coated fertilizer production apparatus of claim 1, wherein: and an air inlet distribution plate (13) and an air outlet distribution plate (14) are respectively arranged at an air inlet and an air outlet of the fluidized bed (1).
3. The coated fertilizer production apparatus of claim 1, wherein: and steam jackets (15) are arranged on the outer sides of the material A storage tank (9) and the material B storage tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121847937.4U CN215975593U (en) | 2021-08-09 | 2021-08-09 | Coated fertilizer production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121847937.4U CN215975593U (en) | 2021-08-09 | 2021-08-09 | Coated fertilizer production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215975593U true CN215975593U (en) | 2022-03-08 |
Family
ID=80514262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121847937.4U Active CN215975593U (en) | 2021-08-09 | 2021-08-09 | Coated fertilizer production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215975593U (en) |
-
2021
- 2021-08-09 CN CN202121847937.4U patent/CN215975593U/en active Active
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