CN214457687U

CN214457687U - Compound fertilizer pellet prilling granulator

Info

Publication number: CN214457687U
Application number: CN202120575156.8U
Authority: CN
Inventors: 华建青; 张建军; 孔亦周; 李恒彪; 覃曾锋; 韦文良
Original assignee: Shenzhen Batian Ecotypic Engineering Co Ltd
Current assignee: Shenzhen Batian Ecotypic Engineering Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-22
Anticipated expiration: 2031-03-19

Abstract

The utility model provides a compound fertilizer pellet prilling granulator, including the granulator with set up in the cooling body in the granulator outside, cooling body locates the cooling tank in the granulator outside, sets up cooling part and two at least fixed connection in the receiving hopper of cooling tank bottom on the cooling tank including the cover. The utility model provides a compound fertilizer pellet granulation device which comprises a granulator, a cooling mechanism, a material receiving mechanism and a pulping machine, and has simple structure and low manufacturing cost; compared with the structure of a single material receiving hopper, the structure of a plurality of material receiving hoppers in the cooling mechanism can greatly reduce the height of the material receiving hopper part, thereby effectively reducing the height of the whole cooling mechanism; and the cooling mechanism in the pellet granulation device is also provided with a cooling part, the cooling part can be used for physically cooling the interior of the cooling tank, the pellet granulation device can contact with air in the cooling tank within a small height for heat exchange to achieve the effect of cooling, the cooling time is shortened, and the production efficiency is improved.

Description

Compound fertilizer pellet prilling granulator

Technical Field

The utility model relates to a compound fertilizer processing production manufacturing equipment technical field especially relates to a compound fertilizer pellet prilling granulator.

Background

Generally, particles with a particle size of 0.5mm to 2.5mm are included in the class of pellet particles. The pelleting technology of the pellet particles is widely applied to the industries of pharmacy, paraffin and the like at present. In the technical field of compound fertilizer product processing, the processing and manufacturing of pellet particles are still in an exploration stage. Therefore, the processing equipment used in the preparation of the compound fertilizer pellet particles at the present stage is equipment in the pharmaceutical field or paraffin processing technical field for reference. At present, no mature pellet granulation equipment which can be suitable for compound fertilizer processing exists in the market, so that the following problems exist in the processing equipment in the pharmaceutical field: firstly, the height of a cooling device in pellet granulation equipment is too large, so that the manufacturing cost is high and the processing environment of the compound fertilizer is not facilitated; secondly, the pellet granulation equipment in the pharmaceutical field has high equipment cost and low yield, and most of the equipment can not meet the requirements of production and processing of compound fertilizers in intermittent production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the cooling device height that has now in being applied to compound fertilizer pellet granulation equipment's equipment, the cost of manufacture is high and be not suitable for compound fertilizer's processing environment to the shortcoming that the unable compound fertilizer processing demand of satisfying of the with high costs of equipment, output is low, intermittent type production provides a compound fertilizer pellet prilling granulator.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a compound fertilizer pellet prilling granulator, including the granulator with set up in the cooling body in the granulator outside and set up in the receiving agencies of cooling body below, cooling body is located including the cover the cooling tank in the granulator outside, set up in cooling part and two at least fixed connection in on the cooling tank the receiving hopper of cooling tank bottom.

Further, the receiving mechanism comprises a receiving conveyor belt and at least two receiving belt conveyors, wherein the receiving conveyor belt conveyors extend to the receiving conveyor belt from the lower part of the receiving hopper, and the receiving belt conveyors are arranged in one-to-one correspondence with the receiving hopper.

Further, a pulping machine for conveying slurry for the granulator is also included.

Specifically, the pulping machine is located on the outer side of the cooling mechanism and is communicated with the granulator through at least one feeding pipe, and the feeding pipe is a jacket heat-preservation type pipe body.

In particular, the feed pipe is provided with a steam purge component on the connection end with the granulator.

Further, the granulator is a plane type centrifugal granulator and comprises a motor, a rotating disc driven by the motor to rotate and a granulating part arranged on the rotating disc and capable of rotating along with the rotating disc.

Further, the receiving hopper is an inverted cone shell with the diameter gradually reduced from top to bottom.

Furthermore, the cooling part of the cooling mechanism comprises at least one cooling fan which is arranged at the bottom of the cooling tank and blows air into the cooling tank.

Specifically, the cooling part of the cooling mechanism further comprises at least one dust removal fan arranged at the top of the cooling tank and used for sucking air into the cooling tank.

Specifically, the cooling part of the cooling mechanism further comprises at least one washing tower which is arranged at the top of the cooling tank and used for carrying out aftertreatment on gas exhausted from the cooling tank.

The utility model provides a compound fertilizer pellet prilling granulator's beneficial effect lies in: the granulator comprises a granulator, a cooling mechanism, a material receiving mechanism and a pulping machine, and is simple in structure and low in manufacturing cost; compared with the structure of a single material receiving hopper, the structure of a plurality of material receiving hoppers in the cooling mechanism can greatly reduce the height of the material receiving hopper part, thereby effectively reducing the height of the whole cooling mechanism; and the cooling mechanism in the pellet granulation device is also provided with a cooling part, the cooling part can be used for physically cooling the interior of the cooling tank, the pellet granulation device can contact with air in the cooling tank within a small height for heat exchange to achieve the effect of cooling, the cooling time is shortened, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a compound fertilizer pellet granulation apparatus provided by the present invention;

FIG. 2 is a top view of a receiving mechanism in the pellet-granulating apparatus for compound fertilizers provided by the present invention;

fig. 3 is a front view of a pelletizing assembly provided by a first embodiment of the present invention;

figure 4 is a front view of a pelletizing element provided in accordance with a second embodiment of the invention;

figure 5 is a front view of a pelletizing element provided in accordance with a third embodiment of the invention;

figure 6 is a front view of a pelletizing element provided in accordance with a fourth embodiment of the invention;

fig. 7 is a front view of a pelletizing element provided in a fifth embodiment of the invention.

In the figure: 100-compound fertilizer pellet granulation device, 10-granulator, 11, 12, 13, 14, 15-granulation part, 111, 121, 131, 141, 151-granulation hole, 20-cooling mechanism, 21-cooling tank, 22-cooling part, 221-cooling fan, 222-dedusting fan, 223-washing tower, 23-receiving hopper, 30-receiving mechanism, 31-receiving conveyor belt, 32-receiving belt conveyor, 40-feeding pipe and 50-pulping machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, in order to provide a compound fertilizer pellet granulation apparatus 100 of the present invention, the compound fertilizer pellet granulation apparatus 100 is mainly used for manufacturing compound fertilizers with a particle size below 2.5 mm. Specifically, as shown in fig. 1, the compound fertilizer pellet granulation apparatus 100 includes a granulator 10, a cooling mechanism 20 disposed outside the granulator 10, a receiving mechanism 30 disposed below the cooling mechanism 20, and a slurrying machine 50 configured to deliver slurry to the granulator 10. The pulping machine 50 is used for producing slurry required by compound fertilizer, the pulping machine 50 can be directly arranged on the top of the cooling mechanism 20, and slurry in the pulping machine 50 is input into the granulator 10 inside the cooling mechanism 20 through the action of gravity to provide slurry for the granulator 10. The pulper 50 may also be arranged outside the cooling unit 20, and the transfer of slurry between the pulper 50 and the granulator 10 is effected via the feed pipe 40. In the embodiment, as shown in fig. 1, the pulper 50 is disposed outside the cooling mechanism 20, and the pulper 50 can be directly placed on the ground, so that the installation of equipment at the top of the cooling mechanism 20 is reduced, and the maintenance of subsequent equipment is facilitated.

Specifically, the utility model provides a pulper 50 among compound fertilizer pellet prilling granulator 100 is located the outside of cooling body 10 and communicates through an at least inlet pipe 40 and granulator 10, and many pipelines carry out the ground paste for granulator 10 and carry, can guarantee that this granulator 10 can be in operating condition with pulper 50 all the time, can avoid because the ground paste need shut down the problem of maintaining when blockking up inlet pipe 40. In this embodiment, two feed pipes 40 are provided between the pulper 50 and the granulator 10, wherein if one feed pipe 40 is clogged, the other feed pipe 40 can continue to perform the feeding operation, and the clogged feed pipe 40 can be maintained without stopping. In order to ensure that the slurry is always at a stable temperature when the slurry is transferred from the slurrying machine 50 to the granulator 10, the feed pipe 40 is made of a jacket heat-preservation type pipe body, and the slurry entering the granulator 10 can be maintained at 140-160 ℃ through the jacket heat-preservation type pipe body.

In particular, in order to ensure a continuous and open flow through the feed pipe 40, the feed pipe 40 is provided with a steam purge (not shown) at the end connected to the granulator 10. The steam purging component can timely purge the blocked feeding pipe 40 through steam when the feeding pipe 40 is blocked by slurry, so that the maintenance difficulty is reduced.

Further, the pelletizer 10 is provided inside the cooling mechanism 20, and performs a centrifugal pelletizing operation on the slurry fed thereto. As shown in fig. 1, the granulator 10 selected for use in the compound fertilizer pellet granulation apparatus 100 of the present invention is a planar centrifugal granulator 10, which includes a motor, a turntable driven by the motor to rotate, and a granulation part 11 disposed on the turntable and capable of rotating along with the turntable. The slurry enters the granulator and then directly enters the granulating part 11 rotating at high speed to be atomized into slurry particles. As shown in fig. 3-7, there are different types of pelletizing elements 11(12, 13, 14, 15) on the pelletizer 10. As shown in fig. 3, the granulation holes 111 of the granulation section 11 have a square strip-like structure, and strip-like compound fertilizer granules can be obtained by the granulation section 11. As shown in fig. 4, the granulating member 12 is a mesh-like circular granulating hole 121, and the granulating member 12 can obtain a fine round granule. As shown in fig. 5, the granulating member 13 is a large circular granulating hole 131 distributed in a matrix, and circular granules having a diameter of 2.5mm can be obtained by the granulating member 13. As shown in fig. 6, the granulating member 14 has columnar granulating holes 141. As shown in fig. 7, the granulating member 15 is a bowl-shaped granulating hole 151. Different granulating parts 11(12, 13, 14, 15) can be selected and arranged on the granulator 10 according to the characteristics of different slurries so as to obtain the required granular compound fertilizer. The clearance of the granulating holes (111, 121, 131, 141, 151) provided in the granulating members 11(12, 13, 14, 15) is relatively large, and the risk of clogging in the granulating members 11(12, 13, 14, 15) can be reduced.

Further, as shown in fig. 1, in the compound fertilizer pellet granulating device 100 provided by the present invention, the cooling mechanism 20 includes a cooling tank 21 sleeved outside the granulator 10, a cooling component 22 disposed on the cooling tank 21, and at least two material receiving hoppers 23 fixedly connected to the bottom of the cooling tank 21. The cooling tank 21 may be a cylindrical body having a square, circular or polygonal cross section, which is sleeved outside the pelletizer 10, and the pelletizer 10 throws out the slurry by high-speed rotation, and then the slurry falls down in the cooling tank 21 by gravity, and finally falls into the receiving hopper 23 at the bottom of the cooling tank 21. And in the cooling mechanism 10 provided by the utility model, the bottom of this cooling tank 21 is provided with a plurality of receiving hoppers 23, through the design of a plurality of receiving hoppers 23, the height that reduces receiving hopper 23 by a wide margin to whole cooling mechanism 20's height has been reduced effectively, and then can reduce cooling mechanism 20's equipment cost.

In the present embodiment, four material receiving hoppers 23 are provided at the bottom of one cooling tank 21, and the material receiving hoppers 23 are inverted cone-shaped casings with diameters gradually decreasing from top to bottom. The height of the hopper 23 with the inverted conical structure is one third of the height of the original single hopper 23.

Furthermore, the cooling part 22 in the cooling mechanism 20 can further improve the cooling effect in the cooling tank 21, and slurry is thrown out from the granulator 10 and then only 50-60 ℃ from the original 140-160 ℃ to the time when the slurry falls back to the receiving hopper 23. The particles thrown out by the granulator 10 can exchange heat with the air in the cooling tank 21, so that the cooling effect is ensured, and the cooling time is greatly shortened.

Specifically, as shown in fig. 1, the cooling member 22 of the cooling mechanism 20 includes at least one cooling fan 221 disposed at the bottom of the cooling tank 21 and blowing air into the cooling tank 21. The cooling fan 221 is disposed at the bottom of the cooling tank 21, and is configured to provide fresh cooling air to the inside of the cooling tank 21, thereby improving the air circulation effect inside the cooling tank 21. The cooling mechanism 10 can increase or decrease the number of the cooling fans 221 according to actual needs to meet the cooling requirement inside the cooling tank 21.

Specifically, the cooling component 22 of the cooling mechanism 20 further includes at least one dust removing fan 222 disposed on the top of the cooling tank 21 and sucking air into the cooling tank 21. The dust removing fan 222 provided at the top of the cooling tank 21 has the same function as the cooling fan 221 provided at the bottom of the cooling tank 21, and increases the air flow rate inside the cooling tank 21 in the air flow direction, thereby increasing the cooling effect in the cooling tank 21. In order to ensure that the air discharged from the cooling tank 21 meets the environmental standard, the cooling member 22 of the cooling mechanism 20 further includes at least one scrubber 223 disposed on the top of the cooling tank 21 for post-treating the gas discharged from the cooling tank 21. The scrubber 223 is a dynamic wave scrubber, in this embodiment, two dynamic wave scrubbers are disposed on the top of the cooling tank 21, and the gas after heat exchange in the cooling tank 21 can reach the emission standard after being filtered by the two-stage dynamic wave scrubber on the top.

Further, inside the cooling mechanism 10, the slurry particles collected in the material receiving hopper 23 fall into the material receiving mechanism 30 along with the downward gathering of the inverted cone structure of the material receiving hopper 23, and are uniformly recovered by the material receiving mechanism 30. As shown in fig. 1 and 2, the material receiving mechanism 30 includes a material receiving conveyor 31 and at least two material receiving belt conveyors 32 extending from the lower portion of the material receiving hopper 23 to the material receiving conveyor 31, and the material receiving belt conveyors 32 are disposed corresponding to the material receiving hopper 23. In this embodiment, the bottom of the cooling tank 21 is provided with four receiving hoppers 23, correspondingly, four receiving belt conveyors 32 are arranged in the receiving mechanism 30, each receiving hopper 23 corresponds to one receiving belt conveyor 32, and the receiving belt conveyors 32 are used for recovering the compound fertilizer granules in the receiving hoppers 23 to the receiving conveyor belt 31 and then transferring the compound fertilizer granules to the subsequent process for subsequent processing operation through the receiving conveyor belt 31.

The compound fertilizer pellet granulation device 100 provided by the utility model comprises a granulator 10, a cooling mechanism 20, a material receiving mechanism 30 and a pulping machine 50, and has simple structure and low manufacturing cost; the structure of the plurality of material receiving hoppers 23 in the cooling mechanism 20 can greatly reduce the height of the material receiving hoppers 23 compared with the structure of a single material receiving hopper 23, thereby effectively reducing the height of the whole cooling mechanism 20; and the cooling mechanism 20 in the pellet granulation device 100 is also provided with a cooling part 22, and the interior of the cooling tank 21 can be physically cooled by the cooling part 22, so that the pellet granulation device can contact with air in the cooling tank 21 within a small height for heat exchange to achieve the effect of cooling, shorten the cooling time and improve the production efficiency.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The compound fertilizer pellet granulation device is characterized by comprising a granulator, a cooling mechanism arranged outside the granulator and a material receiving mechanism arranged below the cooling mechanism, wherein the cooling mechanism comprises a cooling tank arranged outside the granulator in a sleeved mode, a cooling part arranged on the cooling tank and at least two material receiving hoppers fixedly connected to the bottom of the cooling tank.

2. The compound fertilizer pellet granulation device as claimed in claim 1, wherein the material receiving mechanism comprises a material receiving conveyor belt and at least two material receiving belt conveyors extending from below the material receiving hopper to the material receiving conveyor belt, and the material receiving belt conveyors are arranged in one-to-one correspondence with the material receiving hopper.

3. The compound fertilizer pellet granulation apparatus as defined in claim 1, further comprising a pulper for feeding slurry to said granulator.

4. The compound fertilizer pellet granulation apparatus as claimed in claim 3, wherein the pulper is located outside the cooling mechanism and is communicated with the granulator through at least one feeding pipe, and the feeding pipe is a jacketed heat-insulating pipe.

5. The compound fertilizer pellet granulation apparatus as claimed in claim 4, wherein the feeding pipe is provided with a steam purge unit at the end connected to the granulator.

6. The compound fertilizer pellet granulation apparatus as claimed in claim 1, wherein the granulator is a flat centrifugal granulator and comprises a motor, a turntable driven by the motor to rotate, and a granulation member disposed on the turntable and capable of rotating with the turntable.

7. The compound fertilizer pellet pelletizing device as claimed in claim 1 or 2, characterized in that the receiving hopper is an inverted cone shell with gradually decreasing diameter from top to bottom.

8. The compound fertilizer pellet granulation apparatus as claimed in claim 1, wherein the cooling member of the cooling mechanism comprises at least one cooling fan disposed at the bottom of the cooling tank for blowing air into the cooling tank.

9. The compound fertilizer pellet granulation apparatus as claimed in claim 8, wherein the cooling member of the cooling mechanism further comprises at least one dust removal fan disposed on the top of the cooling tank for sucking air into the cooling tank.

10. The compound fertilizer pellet granulation apparatus as claimed in claim 8, wherein the cooling member of the cooling mechanism further comprises at least one washing tower disposed on top of the cooling tank for post-treating the gas exhausted from the cooling tank.