CN210892502U - Compound fertilizer three-cylinder dryer - Google Patents

Abstract

The utility model discloses a compound fertilizer three-cylinder dryer, which comprises a drying roller, a belt on the drying roller, a motor matched with the belt, and a bottom plate for fixing the motor, wherein the feed end of the drying roller is provided with a hot blast stove and a feed hopper, the discharge end of the drying roller is provided with an exhaust fan, a material lifting shoveling plate is arranged in the drying roller, the drying roller is sequentially provided with a temperature rising area, a secondary granulation area, an air drying solidification area and a drying area along the direction from the feed end to the discharge end, the air drying solidification area comprises the same number of rolling areas and solidification areas, the utility model discloses a temperature rising area, which leads material particles to rise firstly and wet soft loose, increases the density and compactness of compound fertilizer particles through secondary granulation of the secondary granulation area, angle steel in the secondary granulation area helps the material to roll and increase the balling rate of the material, and simultaneously leads the material to throw the compound fertilizer particles through the air drying solidification area, improve the appearance quality of the granules and increase the density and the firmness of the compound fertilizer granules.

Description

Compound fertilizer three-cylinder dryer

Technical Field

The utility model relates to a drying-machine technology neighborhood, concretely relates to compound fertilizer three-cylinder drying-machine.

Background

At present, most of dryers only have a material shoveling plate with an included angle of 135 degrees, and the length and diameter ratio of the dryers is 8-10: about 1, because the bulk density of its raw materials of granule fertilizer, bio-organic fertilizer, compound microbial fertilizer is lighter, the fineness is thick partially, inorganic salt composition is relatively less, and the material viscidity after the mixture is relatively poor, such material balling-up rate is lower, the compactness is less, the outward appearance is not mellow, moisture content is high, after getting into the desiccator, the granule is easily bumped the bits of broken glass, fall scattered by the lifter plate that the contained angle is 135 °, lead to the outward appearance not mellow and the output is lower, simultaneously because the material moisture content is higher, it is very easy to glue in the desiccator inner wall and lifter plate contained angle etc. department, lead to increasing the desiccator operation load, reduce the desiccator efficiency, and in the desiccator inside will not regularly clear up under certain condition, increased the human cost, cause the production output to descend, be unfavorable for reducing consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound fertilizer three-cylinder drying-machine efficient, that the material outward appearance after the processing is mellow and full, the material is damaged few to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a compound fertilizer three-cylinder drying-machine, includes the wheel area on drying roller, the drying roller and with wheel area mutually supporting motor, the bottom plate of fixed motor, drying roller's feed end has hot-blast furnace and feeder hopper, drying roller's discharge end is equipped with the air exhauster, the lifting material flight has in the drying roller, drying roller is equipped with temperature raising area, secondary granulation district, air-dry solidification zone and stoving district in proper order along the direction of feed end to the discharge end, air-dry solidification zone includes the rounding district and the solidification zone of the same quantity, the rounding district with the crisscross setting in solidification zone, the angle steel that has a plurality of even settings in the secondary granulation district.

Preferably, the length-diameter ratio of the drying drum is 15: 1.

Preferably, the material lifting shovelling plates and the body of the drying roller are 180 degrees, the material lifting shovelling plates at the discharge end are 135 degrees apart from one another along the circumferential side of the drying roller, the materials are prevented from being broken and scattered by the material lifting shovelling plates, and meanwhile, the hot steam of the materials is rapidly extracted by the fan in the drying area in the state of uniform material lifting distribution.

Preferably, the angle steel is triangular, the height of the angle steel is 40mm-60mm, the triangular angle steel can increase the contact area with boring, meanwhile, the space for materials to pass through is not reduced, and the drying efficiency of the dryer is guaranteed.

Preferably, the inner wall of the rolling area is a smooth surface, so that the particle roundness and the particle compactness are improved.

The utility model has the advantages that:

1. the utility model discloses a warm-up area lets the material granule warm up earlier and wet soft pine, through secondary granulation district secondary granulation, increases the density and the firmness of compound fertilizer granule, and the angle steel help material in the secondary granulation district rolls and increases the material balling-up rate, and material rethread air-dries the solidification district simultaneously and throws the circle with compound fertilizer granule, improves granule appearance quality, increases the density and the firmness of compound fertilizer granule.

2. Through the 180-degree material lifting shovelling plates, the problem that the materials are broken and scattered by the material lifting plates to cause unsmooth appearance and low yield is solved.

3. The material lifting shovelling plate part of the drying area is 135 degrees, the other part of the drying area is 180 degrees, and the air path is reserved for the materials in the state that the material lifting is uniformly distributed, so that the drying machine is favorably drawn out by a fan under the condition that the hot water steam is fast and is not contacted with the drying materials as much as possible.

4. The inner wall in the rounding area is a smooth surface, and the material lifting shoveling plates are removed, so that the particles roll ceaselessly in the rounding area, the edges and corners are ground, the particle roundness and the particle compactness are improved, the particle breakage and scattering probability is reduced in the drying area, and the yield is improved.

Description of the drawings:

fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.

Description of reference numerals:

1. the device comprises a drying roller, 2, a bottom plate, 3, a feed hopper, 4, a temperature rising area, 5, a secondary granulation area, 6, an air drying and curing area, 7, a drying area, 8, an exhaust fan, 9, a hot blast stove, 11, a lifting shoveling plate, 61, a rounding area, 62, a curing area, 51 and angle steel.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, a compound fertilizer three-cylinder dryer comprises a drying cylinder 1, a belt on the drying cylinder 1, a motor mutually matched with the belt, and a bottom plate 2 for fixing the motor, wherein a feed end of the drying cylinder 1 is provided with a hot blast stove 9 and a feed hopper 3, a discharge end of the drying cylinder 1 is provided with an exhaust fan 8, a material lifting shoveling plate 11 is arranged in the drying cylinder 1, the material lifting shoveling plate 11 and a body of the drying cylinder 1 are 180 degrees, the material lifting shoveling plate 11 at the discharge end is along the circumferential side of the drying cylinder 1, when the drying cylinder 1 rotates, the material lifting shoveling plate 11 uniformly mixes materials in the drying cylinder 1, every two material lifting shoveling plates 11 are 135 degrees with the body of the drying cylinder 1, the length-diameter ratio of the drying cylinder 1 is 15:1, and the drying cylinder 1 is sequentially provided with a temperature rising area 4, a secondary granulation area 5, a secondary granulation area and a temperature rising area along the direction from the feed end, Air-dry curing zone 6 and drying zone 7, air-dry curing zone 6 includes the rounding district 61 and the curing area 62 of the same quantity, rounding district 61 with curing area 62 sets up in the staggering way, the angle steel that has a plurality of even settings in the secondary granulation district 5, 51 angle steel 51 is triangle-shaped, highly is 40mm ~ 60mm, the inner wall of rounding district 61 is the smooth surface.

The length-diameter ratio of the existing dryer is 8-10: about 1, according to the length-to-diameter ratio extension of 15:1, add temperature-raising district 4, secondary granulation district 5 and air-drying solidification district 6 simultaneously, when using the utility model discloses a drying-machine, with the slope installation of drying drum 1, make the vertical height of feed end be greater than the vertical height of discharge end, utilize gravity, make the material carry the discharge end from the feed end of drying drum 1, then drive the wheel band on the drying drum 1 through the motor and let 360 incessantly rotations of drying drum, the air heater is in whole drying process from the feed end of drying drum 1 constantly carry steam and get into in drying drum 1, utilize feeder hopper 3 to add compound fertilizer raw materials into temperature-raising district 4 and heat, let the material granule heat up and make its moist, soft pine, will originally mix 135 lifting material flight 11 of material simultaneously adjust to 180, will originally lift 135 contained angles between lifting flight 11 and the drying drum 1 and increase to 180, the time that the material stays on the material lifting shovelling plate 11 is reduced when the drying roller 1 rotates, the extrusion force is low, the problem that the material is easily crushed and broken when the material lifting shovelling plate 11 rotates at 135 degrees, the appearance is not smooth and the yield is low is solved, the compound fertilizer raw materials are secondarily granulated through a secondary granulation area 5, triangular angle steel 51 with the height of 40mm-60mm is used for helping the material to roll, the material balling rate is increased, the density and the compactness of compound fertilizer particles are increased, then the material is conveyed to an air-drying solidification area 6, the material particles continuously roll in a rounding area 61, the material lifting shovelling plate 11 in the rounding area 61 is removed, the inner wall of the rounding area 61 is made to be a smooth surface, the edges and corners of the material particles are ground in the rolling process of the rounding area 61, the compound fertilizer particles are rounded, the particle roundness and the particle compactness are improved, the probability of crushing of the particles in a drying area is reduced, the appearance quality of the particles is improved, the density and the compactness of compound fertilizer particles are increased, finally, when the materials are dried 7 times in the drying area, the hot water steam in the material drying process is quickly extracted out of the drying roller 1 through the exhaust fan 8, and meanwhile, the 135-degree material lifting shoveling plate part of the drying area is changed into a 180-degree material lifting shoveling plate, so that a wind path is reserved for the materials in a state that the material lifting distribution is uniform, and the hot water steam is extracted away by the exhaust fan 8 under the condition that the hot water steam is not in contact with the dried materials.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (5)

1. The utility model provides a compound fertilizer three-cylinder drying-machine, includes the wheel area on drying roller, the drying roller and with wheel area mutually support the motor, the bottom plate of fixed motor, drying roller's feed end has hot-blast furnace and feeder hopper, drying roller's discharge end is equipped with the air exhauster, the lifting material flight has in the drying roller, a serial communication port, drying roller is equipped with warm area, secondary granulation district, air-dries solidification zone and drying zone in proper order along the direction that the feed end arrives the discharge end, air-dry the solidification zone and include the rounding district and the solidification zone of the same quantity, the rounding district with the crisscross setting in solidification zone, the angle steel that has a plurality of even settings in the secondary granulation district.

2. The compound fertilizer three-cylinder dryer as claimed in claim 1, wherein the length to diameter ratio of the drying drum is 15: 1.

3. A compound fertilizer three-cylinder dryer as claimed in claim 1, wherein the material lifting shovelling plates are 180 ° from the body of the drying drum, and the material lifting shovelling plates at the discharge end are 135 ° from the body of the drying drum every other material lifting shovelling plate along the circumferential side of the drying drum.

4. A compound fertilizer three-cylinder dryer according to claim 1, wherein the angle steel is triangular and has a height of 40mm to 60 mm.

5. A compound fertilizer three-drum dryer according to claim 1, wherein the inner wall of the rolling area is smooth.

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