Slow-release compound fertilizer granule dryer

Abstract

The utility model discloses a slow -release compound fertilizer granule drying -machine relates to dryer technical field, the utility model discloses a device body, and the upper and lower both ends are linked with feed hopper and discharge hopper respectively, and the device body is opposite and is staggered and is equipped with a plurality of baffle, and a plurality of baffle form at least one group N type passageway in the device body, and a plurality of baffle all are fixedly installed with first heating plate, and feed hopper is opposite baffle setting, and mounting plate, its fixed mounting is in the device body, and the mounting plate is fixedly installed with air -blower, and the device body is fixedly connected with the exhaust fan cylinder that discharge hopper discharge end sets up oppositely, and the inlet of exhaust fan cylinder and the air outlet of air -blower are communicated and set up, and the exhaust fan cylinder is the funnel type structure that gradually decreases from one end that communicates with air -blower to the other end cross section area gradually. The utility model discloses a air -blower and first heating plate realize the sustained drying of compound fertilizer granule to be able to continuously dry compound fertilizer granule, improve the drying efficiency of whole.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of drying machine, specifically relates to a slow -release compound fertilizer granule drying machine. BACKGROUND

[0002] Slow -release compound fertilizer is widely concerned and application because it can slowly release nutrient according to crop growth demand, reduces fertilizer loss, improves fertilizer utilization rate, usually in the production process of slow -release compound fertilizer, drying machine is used to carry out drying treatment, the existing vertical drying equipment is easy to make the slow -release compound fertilizer granule accumulation in the drying process, and the drying is uneven, and the drying effect is poor.

[0003] The patent with patent announcement number CN209279571U discloses a slow -release compound fertilizer granule rotary drying machine, the device drives the internal cylinder to rotate through the internal cylinder power assembly, the internal cylinder makes the slow -release compound fertilizer granule in it constantly change position in the rotating process, the hot air in the external drying cylinder heats the internal cylinder, and then heats the slow -release compound fertilizer granule in the internal cylinder, however, the device is fixed in size due to the internal cylinder, when the slow -release compound fertilizer granule to be dried is more, then the slow -release compound fertilizer granule in the internal cylinder needs to be frequently replaced to realize drying to all slow -release compound fertilizer granules, the whole process is time -consuming and labor -intensive, thereby the drying efficiency of slow -release compound fertilizer granule is reduced.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a slow -release compound fertilizer granule drying machine, which solves the problems in the background art.

[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0007] A slow -release compound fertilizer granule drying machine, including: device body, the upper and lower ends of which are respectively communicated with feeding hopper and discharge hopper, a plurality of baffles are relatively staggered in the device body, a plurality of the baffles form at least one group of N type channels in the device body, a first heating plate is fixedly installed in a plurality of the baffles, and the feeding hopper is opposite the baffle;

[0008] Mounting plate, which is fixedly installed on the device body, the mounting plate is fixedly installed with a blower, the device body is fixedly connected with an exhaust cylinder arranged opposite the discharge end of the discharge hopper, the inlet of the exhaust cylinder is communicated with the air outlet of the blower, and the exhaust cylinder is in the shape of a funnel with the cross-sectional area gradually decreasing from one end communicated with the blower to the other end.

[0009] Optionally, a heating box is communicated between the air blower and the exhaust cylinder, and a plurality of second heating plates are fixedly connected inside the heating box in horizontal intervals.

[0010] Optionally, an air guide cylinder is communicated between the air blower and the heating box, and the air guide cylinder is a long strip funnel structure with the cross-sectional area gradually increasing from one end of the air blower to one end of the heating box.

[0011] Optionally, a sliding block is fixedly connected to the feeding hopper in opposition, and a sliding groove is arranged on the device body to allow the sliding block to slide, and a vibration motor is fixedly installed on the device body to drive the feeding hopper to vibrate.

[0012] Optionally, the feeding hopper comprises a feeding funnel and a feeding flow limiting pipe arranged in communication from top to bottom, the feeding flow limiting pipe is a trapezoidal structure with the cross-sectional area gradually decreasing from top to bottom, and the feeding funnel, the exhaust cylinder and the discharging hopper are all funnel-shaped structures.

[0013] Optionally, a guide plate is fixedly connected to the device body in opposition to the discharging end of the feeding hopper and is arranged obliquely towards the partition plate, the guide plate is located at the bottom of the exhaust cylinder, a flow limiting plate is fixedly connected to the bottom of the partition plate, the flow limiting plate is located between adjacent partition plates, and the flow limiting plate forms a passage between the two partition plates for the composite fertilizer particles to pass through.

[0014] Optionally, a perspective plate is fixedly connected to the device body in opposition to the plurality of partition plates, and a plurality of stand columns are fixedly installed at the bottom of the device body.

[0015] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:

[0016] 1. By arranging the first heating plate and the air blower, the composite fertilizer particles are continuously dried by the air blower and the first heating plate, the N-shaped channel design prolongs the residence time of the particles in the device body, ensures sufficient heating and drying, avoids incomplete drying due to too fast flow out, and the staggered partition plates make the particles continuously tumble and change position during the flow process, so that the heating is more uniform, the product quality problems caused by local overheating or uneven drying are reduced, and the composite fertilizer particles can be continuously dried, thereby improving the overall drying efficiency.

[0017] 2、By being provided with the second heating plate, the vibration motor, the sliding block and the sliding groove, the second heating plate can further improve the drying efficiency of the compound fertilizer particles, when the vibration motor works, the feeding hopper is driven to make reciprocating vibration movement in the sliding groove through the sliding block, so that the material in the feeding hopper is in a loose state, the caked material is prevented from blocking the feeding hopper, and meanwhile, the material can flow more smoothly and uniformly into the N-shaped channel of the device body;

[0018] 3、By being provided with the guide plate and the flow limiting plate, the guide plate can accurately guide the material into the N-shaped channel, the material flow path is ensured to be accurate, the flow limiting plate controls the moving speed of the particles between the partition plates, the particles are prevented from passing too fast and being not dried sufficiently, meanwhile, the particles are ensured to flow in order and are prevented from being accumulated and blocked.

[0019] The specific implementation manners of the present application will be further described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings,

[0021] In the drawings:

[0022] Figure 1 It is a whole structure schematic view of the present application;

[0023] Figure 2 It is a front view of the present application;

[0024] Figure 3 It is a whole structure schematic view of the present application Figure 1 It is a structure schematic view of another view angle;

[0025] Figure 4 It is a structure schematic view of the inside of the device body of the present application;

[0026] Figure 5 It is a whole structure schematic view of the present application Figure 4 It is an enlarged structure schematic view of A in the present application.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, device body; 2, perspective plate; 3, stand column; 4, feeding hopper; 41, feeding funnel; 42, feeding flow limiting pipe; 5, heating box; 6, air duct; 7, air blower; 8, first heating plate; 9, partition plate; 10, mounting plate; 11, controller; 12, discharging hopper; 13, sliding block; 14, sliding groove; 15, exhaust duct; 16, second heating plate; 17, guide plate; 18, flow limiting plate; 19, vibration motor; 20, channel.

[0029] It should be noted that the drawings and the written description are not intended to limit the scope of the present application in any way, but are merely to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] The present application will now be further described in detail with reference to the accompanying drawings.

[0031] Please refer to Figures 1-5 In the embodiment, a slow-release compound fertilizer particle drying machine is provided, which comprises a device body 1, a feeding hopper 4 and a discharging hopper 12 are communicated with the upper and lower ends of the device body 1 respectively, a plurality of baffles 9 are arranged in the device body 1 in a staggered manner, the plurality of baffles 9 form at least one group of N-shaped channels 20 in the device body 1, a first heating plate 8 is fixedly installed in each of the plurality of baffles 9, the feeding hopper 4 is arranged opposite to the baffles 9, a mounting plate 10 is fixedly installed on the device body 1, a blower 7 is fixedly installed on the mounting plate 10, an exhaust duct 15 is fixedly connected in the device body 1 and arranged opposite to the discharging end of the discharging hopper 12, the inlet of the exhaust duct 15 is in communication with the air outlet of the blower 7, and the exhaust duct 15 has a funnel-shaped structure with a gradually decreasing cross-sectional area from one end connected with the blower 7 to the other end.

[0032] Specifically, the material enters the device body 1 from the feeding hopper 4, since the feeding hopper 4 is arranged opposite to the baffles 9, the blower 7 installed on the device body 1 first works to blow the hot air to the compound fertilizer particles discharged along the discharging end of the feeding hopper 4 through the exhaust duct 15, the exhaust duct 15 has a funnel-shaped structure with a gradually decreasing cross-sectional area from one end connected with the blower 7 to the other end, according to the principle of fluid mechanics, the air flow speed will increase at the place where the cross-sectional area decreases, so that the hot air can preliminarily dry the compound fertilizer particles falling along the feeding hopper 4 and blow them to the baffles 9 at a high flow rate and a large impact force, thereby accelerating the evaporation and removal of the water on the surface of the particles, then, the material can fall into the N-shaped channels 20 formed by the plurality of staggered baffles 9 more accurately, in the channels 20, the particles move downward under the action of their own gravity, at this time, the first heating plate 8 fixedly installed in the baffles 9 continuously generates heat to heat the particles from around them, the heat transfer causes the water in the particles to evaporate, thereby improving the drying efficiency of the compound fertilizer particles, the N-shaped channels 20 are designed to prolong the residence time of the particles in the device body 1, so as to ensure that the particles are sufficiently heated and dried, avoid incomplete drying due to too fast flow, the staggered baffles 9 make the particles constantly tumble and change positions during the flow process, so that the particles are heated more uniformly and the product quality problems caused by local overheating or uneven drying are reduced, thereby the compound fertilizer particles can be continuously dried and the overall drying efficiency is improved.

[0033] In the embodiment, as Figure 1 , Figure 2 and Figure 4As shown, the blower 7 is communicated with the exhaust cylinder 15, and the heating box 5 is connected between the blower 7 and the exhaust cylinder 15, and a plurality of second heating plates 16 are fixedly connected in the heating box 5 in horizontal intervals, and the air duct 6 is communicated between the blower 7 and the heating box 5, and the air duct 6 is a long strip funnel structure with the cross-sectional area gradually increasing from one end of the blower 7 to one end of the heating box 5, specifically, the air blown by the blower 7 first enters the heating box 5 through the air duct 6, and the plurality of second heating plates 16 fixedly connected in the heating box 5 in horizontal intervals heat the air for the second time, and the high-temperature air after the second heating enters the exhaust cylinder 15, and then enters the device body 1 to contact the compound fertilizer particles, because the air is heated again, it carries more heat, the heat transfer efficiency to the particles is higher, and the moisture in the particles can be more quickly vaporized, and the drying efficiency of the compound fertilizer particles and the drying efficiency are further improved.

[0034] In this embodiment, as shown in Figure 4 and Figure 5 , the sliding block 13 is fixedly connected to the feeding hopper 4, and the sliding groove 14 is arranged on the device body 1, and the vibration motor 19 is fixedly installed on the device body 1 to drive the feeding hopper 4 to vibrate, specifically, when the vibration motor 19 works, the feeding hopper 4 is driven to make reciprocating vibration motion in the sliding groove 14 through the sliding block 13, and in the feeding process, the material falls from above the feeding hopper 4, and the vibration makes the material in the feeding hopper 4 in a loose state, avoiding that the caked material blocks the feeding hopper 4, and at the same time, helping the material to flow more smoothly and uniformly into the N-shaped channel 20 of the device body 1, ensuring the continuity of the subsequent drying process, effectively preventing the feeding hopper 4 from being blocked, ensuring the continuity of the production process, reducing the downtime for cleaning caused by material blockage, and improving the production efficiency.

[0035] In this embodiment, as shown in Figure 4 and Figure 5 , the feeding hopper 4 includes the feeding funnel 41 and the feeding flow limiting pipe 42 which are communicated from top to bottom, and the feeding flow limiting pipe 42 is a trapezoidal structure with the cross-sectional area gradually decreasing from top to bottom, and the feeding funnel 41, the exhaust cylinder 15 and the discharging hopper 12 are all long strip funnel structures, specifically, the material first enters the feeding funnel 41, and the large opening of the feeding funnel 41 is convenient for receiving a large amount of material, and then flows into the feeding flow limiting pipe 42, and the feeding flow limiting pipe 42 is a trapezoidal structure with the cross-sectional area gradually decreasing from top to bottom, according to the continuity equation of fluid mechanics, the material flow rate is accelerated at the narrow part of the pipe diameter, so that the material can quickly and orderly enter the device body 1 at a certain flow rate, and the exhaust cylinder 15 is more efficient in drying each compound fertilizer particle, and the drying efficiency is improved.

[0036] In this embodiment, as shown in Figure 4As shown, the device body 1 is fixedly connected with a guide plate 17 inclined to the partition plate 9 at the discharge end opposite to the feeding hopper 4, the guide plate 17 is located at the bottom of the exhaust cylinder 15, the bottom of the partition plate 9 is fixedly connected with a flow limiting plate 18, the flow limiting plate 18 is located between adjacent partition plates 9, and the flow limiting plate 18 forms a passage 20 for the composite fertilizer particles between the two partition plates 9. Specifically, after the material enters the device body 1 from the feeding hopper 4, the guide plate 17 fixedly connected to the device body 1 at the discharge end opposite to the feeding hopper 4 plays a role. Since it is inclined to the partition plate 9, the material will slide down to the partition plate 9 area along the guide plate 17, accurately guided into the N-shaped passage 20, ensuring the accuracy of the material flow path. At the bottom of the partition plate 9, the flow limiting plate 18 is located between adjacent partition plates 9, and forms a passage 20 for the composite fertilizer particles. The flow limiting plate 18 controls the moving speed of the particles between the partition plates 9, avoids the particles passing too fast and drying insufficiently, and ensures the orderly flow of the particles, preventing accumulation and blockage.

[0037] In this embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , the device body 1 is fixedly connected with a perspective plate 2 opposite to the plurality of partition plates 9, and a plurality of stand columns 3 are fixedly installed at the bottom of the device body 1. Specifically, the perspective plate 2 is fixedly connected to the device body 1 opposite to the plurality of partition plates 9, and the operator can observe the drying condition of the material in the device body 1 in real time through the perspective plate 2, including the flow state of the particles, whether there is accumulation and blockage, etc.

[0038] Further, in this embodiment, the device body 1 is fixedly installed with a controller 11 signal connected with the air blower 7, the first heating plate 8 and the second heating plate 16, and the line connection between them is prior art, which is not described here.

[0039] Working principle:

[0040] The material enters the device body 1 from the feeding hopper 4, since the feeding hopper 4 is arranged opposite the partition plate 9, first, the blower 7 installed on the device body 1 works, the air blown by the blower 7 enters the heating box 5 through the air duct 6 first, in the heating box 5, the multiple second heating plates 16 fixedly connected horizontally and at intervals heat the air for the second time, the high-temperature air after the second heating enters the exhaust duct 15, and then enters the inside of the device body 1 to contact the compound fertilizer particles, since the exhaust duct 15 is a funnel-shaped structure with the cross-sectional area gradually decreasing from one end connected with the blower 7 to the other end, according to the principle of fluid mechanics, the air flow speed will accelerate at the place where the cross-sectional area becomes smaller, so that the hot air can preliminarily dry the compound fertilizer particles falling along the feeding hopper 4 and blow them to the partition plate 9 with high flow speed and large impact force, thereby accelerating the evaporation and removal of the moisture on the surface of the particles, then, the material can fall into the N-shaped channel 20 formed by the multiple staggered partition plates 9 more accurately, in the channel 20, the particles move downward under the action of their own gravity, at this time, the first heating plates 8 fixedly installed in the partition plates 9 continuously heat, so as to heat the particles from their surroundings, the heat transfer makes the moisture in the particles evaporate, thereby improving the drying efficiency of the compound fertilizer particles, the N-shaped channel 20 is designed to prolong the residence time of the particles in the device body 1, so as to ensure that the particles are sufficiently heated and dried, avoid incomplete drying due to too fast flow-out, the staggered partition plates 9 make the particles roll and change positions constantly during the flow process, so that the particles are heated more uniformly, and the product quality problems caused by local overheating or uneven drying are reduced, thereby the compound fertilizer particles can be continuously dried, and the overall drying efficiency is improved.

[0041] The utility model is not limited to the above-mentioned embodiment, any person should know the structural change made under the inspiration of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model, the utility model is not described in detail, and the technical, shape and structure parts are all known technology.

Claims

1. A slow-release compound fertilizer granule dryer, characterized in that, include: The device body (1) has a feed hopper (4) and a discharge hopper (12) connected to its upper and lower ends respectively. Multiple partitions (9) are arranged in a staggered manner inside the device body (1). The multiple partitions (9) form at least one set of N-shaped channels (20) inside the device body (1). A first heating plate (8) is fixedly installed in each of the multiple partitions (9). The feed hopper (4) is set directly opposite the partitions (9). Mounting plate (10) is fixedly mounted on the device body (1). A blower (7) is fixedly mounted on the mounting plate (10). An exhaust duct (15) with its outlet facing the discharge end of the discharge hopper (12) is fixedly connected inside the device body (1). The inlet of the exhaust duct (15) is connected to the outlet of the blower (7). The exhaust duct (15) is a funnel-shaped structure with a gradually decreasing cross-sectional area from one end connected to the blower (7) to the other end.

2. The slow-release compound fertilizer granule dryer according to claim 1, characterized in that, A heating box (5) is connected between the blower (7) and the exhaust duct (15), and multiple second heating plates (16) are fixedly connected horizontally at intervals inside the heating box (5).

3. The slow-release compound fertilizer granule dryer according to claim 2, characterized in that, A guide duct (6) connects the blower (7) and the heating box (5). The guide duct (6) is a long, funnel-shaped structure with a gradually increasing cross-sectional area from one end of the blower (7) to one end of the heating box (5).

4. The slow-release compound fertilizer granule dryer according to claim 2, characterized in that, A slider (13) is fixedly connected to the feed hopper (4), and a groove (14) is provided on the device body (1) for the slider (13) to slide. A vibration motor (19) that drives the feed hopper (4) to vibrate is fixedly installed on the device body (1).

5. A slow-release compound fertilizer granule dryer according to claim 2, characterized in that, The feed hopper (4) includes a feed funnel (41) and a feed flow restrictor (42) connected from top to bottom. The feed flow restrictor (42) is a trapezoidal structure with a gradually decreasing cross-sectional area from top to bottom. The feed funnel (41), the exhaust duct (15) and the discharge hopper (12) are all long funnel-shaped structures.

6. The slow-release compound fertilizer granule dryer according to claim 1, characterized in that, Inside the device body (1), a guide plate (17) is fixedly connected to the discharge end of the feed hopper (4) and is inclined toward the partition (9). The guide plate (17) is located at the bottom of the exhaust duct (15). A flow limiting plate (18) is fixedly connected to the bottom of the partition (9). The flow limiting plate (18) is located between adjacent partitions (9) and forms a channel (20) between the two partitions (9) for compound fertilizer particles to pass through.

7. The slow-release compound fertilizer granule dryer according to claim 1, characterized in that, A viewing plate (2) is fixedly connected to the device body (1) relative to the multiple partitions (9), and multiple columns (3) are fixedly installed at the bottom of the device body (1).

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