CN220460604U - Roller granulator - Google Patents
Roller granulator Download PDFInfo
- Publication number
- CN220460604U CN220460604U CN202321850911.4U CN202321850911U CN220460604U CN 220460604 U CN220460604 U CN 220460604U CN 202321850911 U CN202321850911 U CN 202321850911U CN 220460604 U CN220460604 U CN 220460604U
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- Prior art keywords
- roller
- area
- granulating
- soft
- granulator according
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 abstract description 25
- 150000001875 compounds Chemical class 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005550 wet granulation Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000007908 dry granulation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The utility model relates to the field of compound fertilizer processing equipment, and discloses a roller granulator, which comprises a roller, wherein the roller comprises a granulating area and a rounding area, a space ring is arranged between the granulating area and the rounding area, and the length of the rounding area is larger than that of the granulating area; the inner wall of cylinder is fixed with a plurality of soft inside linings, and soft inside lining all sets up along the axial of cylinder, is provided with the gas pocket just right with soft inside lining on the lateral wall of cylinder. The utility model solves the problem of material adhesion in the use process of the traditional roller granulator on one hand, and ensures the appearance quality of the compound fertilizer by reasonably dividing the granulating area and the smooth round area and configuring the spacer rings on the other hand.
Description
Technical Field
The utility model relates to the field of compound fertilizer processing equipment, in particular to a roller granulator.
Background
The compound fertilizer is formed by combining a plurality of nutrient elements, and can improve soil fertility, promote plant growth and improve crop yield. Granulation is one of the important processes for manufacturing the compound fertilizer, and according to different production requirements, different granulation technologies can be adopted for the compound fertilizer, and common processes include wet granulation and dry granulation, wherein the wet granulation comprises the following steps: granulating by a mechanical rotor, shearing, mixing and granulating, and granulating by immersion liquid; the dry granulation comprises the following steps: tabletting and granulating, rotary granulating and spray drying and granulating. Among them, mechanical rotor granulation is most widely used because of simple operation.
In the mechanical rotor granulation process, a roller granulator is usually used, the main working mode of the roller granulator is granule wet granulation, a certain amount of water or steam is used for enabling the basic fertilizer to fully and chemically react after being subjected to humidity adjustment in a cylinder, and extrusion force generated among material particles is agglomerated into balls by means of the rotary motion of the cylinder under a certain liquid phase condition. At present, the inside stainless steel inside lining or polyethylene hard inside lining that generally adopts of cylinder granulator leads to the inner wall a large amount of cohesive material caking when production, increases equipment load, and needs frequent shut down clearance, seriously influences production efficiency, and can lead to the outward appearance roughness of compound fertilizer.
Disclosure of Invention
The utility model aims to provide a roller granulator, which solves the problems of material adhesion and uneven surface of a compound fertilizer in the use of the roller granulator in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cylinder granulator, includes the cylinder, and the cylinder includes granulation district and smooth circle district, is provided with the spacer ring between granulation district and the smooth circle district, and the length in smooth circle district is greater than the length in granulation district.
The principle and the advantages of the scheme are as follows: during practical application, in the technical scheme, the drum structure of the drum granulator is optimally designed aiming at the problem that the surface of the compound fertilizer is uneven when the drum granulator is used in the prior art. The inner structure of the roller is divided into a granulating area close to the feeding end and a rounding area close to the discharging end, the compound fertilizer raw material is granulated in the granulating area, and then the compound fertilizer raw material is discharged after rounding treatment in the rounding area. The length of the smooth round area is set longer, so that the smooth round time can be prolonged, and the smoothness of the compound fertilizer is ensured. Meanwhile, in order to solve the problems of short length and short granulating time of the granulating area, a space ring is arranged between the granulating area and the plain circular area, and the granulating time of the raw materials in the granulating area can be relatively prolonged by utilizing the blocking effect of the space ring, so that the granulating effect is ensured.
Preferably, as an improvement, the inner wall of the roller is fixed with a plurality of soft linings, the soft linings are all arranged along the axial direction of the roller, and the side wall of the roller is provided with air holes which are opposite to the soft linings.
In this technical scheme, the cylinder granulator is in the rotation in-process, when soft inside lining rotated to being located the upper portion position, can realize through the gas pocket with external air intercommunication for soft inside lining sags naturally, forms the rotary drum, and then makes the material of adhesion above that drop naturally, has solved the problem of traditional cylinder granulator material adhesion.
Preferably, as a modification, two adjacent soft inner liners are fixed on the roller through pressing strips.
In this technical scheme, two adjacent soft inside linings are fixed through a layering, and the installation of convenient soft inside lining is fixed on the one hand, and on the other hand also can save layering quantity.
Preferably, as an improvement, the feeding end of the roller is provided with a feeding belt and a feeding hopper; the discharge end of the roller is provided with a discharge belt.
In the technical scheme, the feeding belt and the feeding hopper are used for feeding the raw materials of the compound fertilizer, and the discharging belt is used for discharging the compound fertilizer, so that the manual investment can be saved.
Preferably, as a modification, the pores have a diameter of 120-130mm.
In the technical scheme, the diameter of the air hole is a proper size verified by practice.
Preferably, as a modification, the spacer has a width of 250-350mm.
In the technical scheme, the width (height) of the spacer is a proper size verified by practice.
Preferably, as a modification, the soft liner is a nitrile rubber liner.
In the technical scheme, the butadiene acrylonitrile rubber lining is adopted, has the advantages of high temperature resistance, acid resistance and alkali resistance, has relatively long service life, and avoids frequent replacement of the soft lining.
Preferably, as a modification, the number of soft inner liners is seven.
In the technical scheme, the number of the soft linings can be specifically selected according to actual conditions, and the flexibility is high.
Preferably, as a modification, the pressing bar is a stainless steel pressing bar, and the width of the stainless steel pressing bar is 60mm.
In the technical scheme, the stainless steel layering has stable chemical property, high mechanical strength and relatively long service life, and can avoid the problem of frequent replacement.
Drawings
Fig. 1 is a front view of a roll granulator in an embodiment of the present utility model.
Fig. 2 is a right side longitudinal cross-sectional view of the drum granulator.
Fig. 3 is an enlarged view at A1 in fig. 2.
Detailed Description
The following is a detailed description of embodiments, but embodiments of the utility model are not limited thereto. The technical means used in the following embodiments are conventional means well known to those skilled in the art unless otherwise specified; the experimental methods used are all conventional methods; the materials, reagents, and the like used are all commercially available.
Reference numerals in the drawings of the specification include: the device comprises a roller 1, a feed hopper 2, a granulating area 3, a smooth round area 4, a spacer ring 5, a soft lining 6, a stainless steel pressing strip 7, stainless steel screws 8, air holes 9, a driving gear 10, a motor 11 and a transmission gear ring 12.
The embodiment is basically as shown in the accompanying figures 1-3: a roller granulator comprises a roller 1, a driving mechanism and a supporting frame.
As shown in fig. 1, the roller 1 is used for granulating compound fertilizer, the roller 1 is transversely arranged, the right end is provided with a feed inlet, and the left end is provided with a discharge outlet. One end of the feed inlet of the drum 1 is provided with a feed belt (not shown in the figure) and a feed hopper 2, the feed belt is arranged obliquely, and the high end of the feed belt is the discharge end. The feeder hopper 2 sets up the discharge end at feeding belt, and feeder hopper 2 is fixed on the support frame for the feeding of compound fertilizer raw materials. One end of the discharge port of the roller 1 is provided with a discharge belt (not shown in the figure) for discharging the compound fertilizer. In this embodiment, the drum 1 includes a granulating area 3 and a rounding area 4, the granulating area 3 is located at one end near the feed inlet of the drum 1, and the rounding area 4 is located at one end near the discharge outlet of the drum 1. The whole length of the roller 1 of the granulator is 8m, wherein the length of the granulating area 3 is 3m, and the length of the smooth area 4 is 5m, so that the smooth area 4 is longer, and the smoothness of the product can be improved. A spacer ring 5 with the height of 250mm is fixed between the granulating area 3 and the smooth round area 4 along the circumferential direction of the roller 1, so that the granulating time of the compound fertilizer raw material in the granulating area 3 can be prolonged by utilizing the blocking effect of the spacer ring 5, and the granulating effect is ensured.
Referring to fig. 2, a soft lining 6 with high temperature resistance, acid resistance and alkali resistance is fixed on the inner wall of the drum 1, and in this embodiment, a soft lining 6 made of nitrile rubber is specifically selected, and in actual use, other materials can be specifically selected according to requirements. Referring to fig. 3, in this embodiment, the number of soft inner liners 6 is seven (seven are respectively disposed in the smooth circular area 4 and the granulating area 3), the seven soft inner liners 6 are all disposed along the axial direction of the drum 1, and can form a circumferential package on the drum 1, and two adjacent soft inner liners 6 are pressed and fixed by stainless steel pressing strips 7 and stainless steel screws 8, and the width of the stainless steel pressing strips 7 in this embodiment is 60mm. Be provided with a plurality of gas pockets 9 on the lateral wall of cylinder 1, the diameter of gas pocket 9 is 130mm, and gas pocket 9 all is located soft inside lining 6 just to the top of position, so cylinder 1 granulator is in the rotation in-process, when soft inside lining 6 rotates to being located the upper portion position, can realize through gas pocket 9 with external air intercommunication for soft inside lining 6 is sagging naturally (soft inside lining 6 after the dotted line part is sagging in fig. 2), forms the rotary drum, and then makes the material that adheres to it drop naturally.
The driving mechanism is used for driving the roller 1 to rotate and comprises a driving gear 10, a motor 11 and a speed reducer, a transmission gear ring 12 is fixed on the outer wall of the roller 1, the driving gear 10 is meshed with the transmission gear ring 12, and the driving gear 10 drives the roller 1 to rotate through the transmission gear ring 12 under the driving of the motor 11 and the speed reducer.
The support frame is used for supporting and fixing the driving mechanism and the roller 1, the driving mechanism is fixed on the support frame through bolts, and the roller 1 is rotationally connected on the support frame.
The specific implementation process is as follows: the compound fertilizer raw material is conveyed by a feeding belt and is put into a roller 1. The raw materials firstly enter a granulating area 3 in the roller 1, and are granulated in the granulating area 3, and due to the arrangement of the space rings 5, the granulating time can be prolonged, and the granulating effect can be ensured. And then the granulated compound fertilizer particles enter a rounding region 4 for rounding treatment, and the length of the rounding region 4 is longer than that of the granulating region 3, so that the rounding effect can be ensured, the smoothness of the compound fertilizer can be improved, and the appearance quality of the compound fertilizer can be ensured. In this process, because this technical scheme has set up soft inside lining 6, in cylinder 1 rotation in-process, when soft inside lining 6 rotated to be located the upper portion position, can realize through gas pocket 9 with external air intercommunication for soft inside lining 6 sags naturally, forms the rotary drum, and then makes the material that adheres to it drop naturally.
According to the technical scheme, the problem of material adhesion in the use process of the traditional roller granulator is solved, and the granulating effect and the rounding effect of the compound fertilizer can be considered through reasonable division of the granulating area 3 and the rounding area 4 and configuration of the spacer ring 5, so that the appearance quality of the compound fertilizer is guaranteed.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (9)
1. A roller granulator comprising a roller, characterized in that: the cylinder includes granulation district and smooth circle district, is provided with the spacer ring between granulation district and the smooth circle district, and the length of smooth circle district is greater than the length of granulation district.
2. A roller granulator according to claim 1, wherein: the inner wall of the roller is fixedly provided with a plurality of soft linings, the soft linings are all arranged along the axial direction of the roller, and the side wall of the roller is provided with air holes opposite to the soft linings.
3. A roller granulator according to claim 2, wherein: two adjacent soft linings are fixed on the roller through pressing strips.
4. A roller granulator according to claim 3, wherein: the feeding end of the roller is provided with a feeding belt and a feeding hopper; the discharge end of the roller is provided with a discharge belt.
5. A rotary drum granulator according to claim 4, wherein: the diameter of the air hole is 120-130mm.
6. A rotary drum granulator according to claim 5, wherein: the width of the space ring is 250-350mm.
7. A rotary drum granulator according to claim 6, wherein: the soft lining is a nitrile rubber lining.
8. A rotary drum granulator according to claim 7, wherein: the number of soft inner liners is seven.
9. A rotary drum granulator according to claim 8, wherein: the layering is stainless steel layering, and the width of stainless steel layering is 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850911.4U CN220460604U (en) | 2023-07-13 | 2023-07-13 | Roller granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850911.4U CN220460604U (en) | 2023-07-13 | 2023-07-13 | Roller granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220460604U true CN220460604U (en) | 2024-02-09 |
Family
ID=89801332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321850911.4U Active CN220460604U (en) | 2023-07-13 | 2023-07-13 | Roller granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220460604U (en) |
-
2023
- 2023-07-13 CN CN202321850911.4U patent/CN220460604U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |