CN211246450U

CN211246450U - Atomizing rotary spray disc for fertilizer production and granulator thereof

Info

Publication number: CN211246450U
Application number: CN201920827572.5U
Authority: CN
Inventors: 孔亦周
Original assignee: Shenzhen Batian Ecotypic Engineering Co Ltd
Current assignee: Shenzhen Batian Ecotypic Engineering Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-08-14
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses an atomizing rotary spray disk for chemical fertilizer production and a granulator thereof, which comprises a lower end plate, a plurality of dividing blocks and an upper end plate which are arranged from bottom to top, wherein the dividing blocks are evenly distributed at the peripheral edge position of the lower end plate at intervals, and an inner cavity of the spray disk is enclosed and formed among the lower end plate, the dividing blocks and the upper end plate; the center of the upper end plate is provided with a melt inlet, and the center of the lower end plate is connected with an output shaft of a driving motor. The dividing block of the utility model gradually widens towards the bulge from the center to the two sides to form a backflow structure, so that the molten liquid can be ejected more smoothly; the rectangular nozzle has a certain width and height and generates huge centrifugal force when rotating at high speed, so that the probability of blockage of the rectangular nozzle by solid impurities is greatly reduced.

Description

Atomizing rotary spray disc for fertilizer production and granulator thereof

Technical Field

The utility model relates to a spout a set field, concretely relates to atomizing rotary spray disk in globular miniaturation production technology.

Background

The agricultural chemical fertilizer is a nutrient element necessary for plants, can be used for improving soil property and improving soil fertility level, and is one of material bases of agricultural production.

The diameter of the spherical particles of the existing agricultural fertilizer is about 2mm, and the fertilization effect of the particles of the agricultural fertilizer in practical application is the best between 2mm and 10 mm. However, the production process of spherical agricultural fertilizer granules in the existing melt granulation process cannot prepare large-granule agricultural fertilizer. The traditional pressure type nozzle sprays raw material melt liquid in a fan shape from a spray hole, while the viscosity of the ternary compound fertilizer melt slurry is thousands to tens of thousands times (the viscosity unit is cps, Chinese is read as centipoise, the melt viscosity of urea is only 2cps, the melt viscosity of ternary balance fertilizer can reach 50000-80000-ten thousand cps), and simultaneously, phosphorus, potassium, fillers and the like in the components of the ternary compound fertilizer melt slurry are solid insoluble substances, and the impurities inherent in the raw materials and the substances such as rope end fibers for unpacking and unloading are particularly easy to form the blockage of the nozzle.

Aiming at the problem that the traditional pressure type nozzle is easy to block, in recent years, several enterprises in China successively invest capital and strength, and a novel granulation process capable of replacing a high tower is tried to be developed, but research and development are forced to be given up successively because the atomization requirement of high-viscosity melt cannot be met, so that an industrial device for atomizing the high-viscosity melt is the bottleneck of the whole process, and a novel atomization device which is not easy to block needs to be researched and developed to improve the level of the whole agricultural chemical fertilizer spherical particle manufacturing process.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a rotatory dish that spouts of atomizing that the spout is big, the difficult jam of raw materials.

The invention also aims to provide a granulator with the atomizing rotary spray disk.

In order to achieve the purpose, the utility model adopts the following technical scheme: an atomizing rotary spray disk for fertilizer production comprises a lower end plate, a plurality of dividing blocks and an upper end plate, wherein the lower end plate, the plurality of dividing blocks and the upper end plate are arranged from bottom to top;

the center of the upper end plate is provided with a melt inlet, and the center of the lower end plate is connected with an output shaft of a driving motor.

Furthermore, one side of the indexing block, which faces the center of the lower end plate, is provided with a protrusion, and the protrusion is a protrusion with a narrow upper part and a wide lower part.

Further, the cross section of the protrusion is a circular arc surface.

Further, the cross section of the protrusion is an isosceles triangle.

Further, a rectangular spout is formed between any two indexing blocks, the height of the rectangular spout is 20-35mm, and the width of the rectangular spout is 5-12 mm.

Further, the rectangular spout has a cross-sectional width by height dimension of 8mm by 30 mm.

Further, the number of the rectangular nozzles is 10-20.

Further, the indexing block is fixedly connected with the lower end plate through a rivet.

Further, the index block is integrally formed with the lower end plate.

Furthermore, the upper end plate is fixedly connected with the indexing block and the lower end block through rivets.

Further, the shape and the size of the upper end plate are consistent with those of the lower end plate, and the upper end plate and the lower end plate are circular.

A granulator for fertilizer production comprises any one of the atomizing rotary spray disks, wherein an electric heater is arranged below the atomizing rotary spray disks, and the heater is fixed through a heating tray and a gland.

Furthermore, the center of the lower end plate of the atomizing rotary spray disk is connected with the motor through the output shaft in sequence.

Furthermore, the outer wall cover of output shaft is equipped with the bearing frame, is connected with the casing on the bearing frame, and the casing below is provided with the support base.

Furthermore, a downward conical cover is sleeved on the outer wall of the bearing seat, and a cylindrical cover is connected to the lower portion of the conical cover.

The utility model discloses profitable technological effect: the side of the dividing block facing to the center of the lower end plate is provided with a bulge, the bulge is gradually widened from the center to the two sides to form a backflow structure, and molten liquid can flow to the rectangular nozzles from the center of the bulge to the two sides in the rotating process; the rectangular nozzle has a certain width and height, and simultaneously, the huge centrifugal force generated when the spray plate rotates at high speed is added, so that the probability that the rectangular nozzle is blocked by solid impurities is greatly reduced, and the benefit of the production process is greatly improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an atomizing rotary spray disk of the present invention.

Fig. 2 is an exploded view of the atomizing rotary spray disk of the present invention.

Fig. 3 is a plan view of the atomizing rotary spray disk of the present invention during operation.

Fig. 4 is a side view of the spraying shaft of the atomizing rotary spraying disc of the utility model during operation.

Figure 5 is a cross-sectional view of the elevation of the indexing block in

embodiments

1 and 2 of the present invention.

Fig. 6 is a cross-sectional view of the index block protrusion in

embodiments

3 and 4 of the present invention.

Fig. 7 is a schematic view of the overall structure of the atomizing granulator of the present invention.

The names of the parts in the drawings correspond to the reference numbers: the device comprises a lower end plate 1, an upper end plate 2, an indexing block 3, a rectangular nozzle 4, a melt inlet 5, a rivet 6, a shaft hole 7 and a rivet hole 8;

the atomizing rotary spray disk 101, the electric heater 102, the heating tray 103, the gland 104, the bearing seat 105, the shell 106, the output shaft 107, the cone cover 108, the supporting base 109, the oil sealing gland 110, the coupler 111, the motor base 112, the motor 113 and the cylindrical cover 114.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Example 1

As shown in fig. 1-5 and 7, an atomizing rotary spray disk 101 includes an upper end plate 2, a lower end plate 1 and a plurality of dividing blocks 3, the dividing blocks 3 are uniformly distributed at intervals around the lower end plate 1, the upper end plate 2 is disposed on the dividing blocks 3 and is fixedly connected to the dividing blocks 3 and the lower end plate 1, specifically, rivet holes 8 are respectively formed in the upper end plate 2, the lower end plate 1 and the dividing blocks 3, and the upper end plate 2, the dividing blocks 3 and the lower end plate 1 are fixedly connected to form a whole through rivets 6.

One side of the index block 3 facing the center of the lower end plate 1 is a protrusion 31, the protrusions 31 become wider from the center to both sides in sequence, in this embodiment, the protrusion 31 is a smooth arc protrusion, and the cross section of the protrusion is an arc surface.

After the upper end plate 2, the lower end plate 1 and the plurality of indexing blocks 3 are fixed to form a whole, a rectangular spout 4 is formed between any two indexing blocks 3, the height of the rectangular spout 4 is 20-35mm, the width of the rectangular spout 4 is 5-12mm, and the preferred size of the rectangular spout 4 in the embodiment is 8mm in cross section width and 30mm in height. Because the bulges 31 are sequentially widened from the center to the two sides, a backflow structure is formed, so that molten liquid can flow to the rectangular nozzles from the center of the bulges to the two sides along the two sides in the high-speed process of the spray plate, the spray is smoother, the spray speed is higher, and the situation that the molten liquid is retained in the spray plate is ensured.

The number of the rectangular nozzles 4 is 10-20, the preferred value of the embodiment is 15, and the theoretical spraying amount of each rectangular nozzle hole is about 1 ton per hour.

A melt inlet 5 is provided in the center of the upper end plate 2, and a raw material melt is fed into the spray disk from the melt inlet 5. The center of the bottom surface of the lower end plate 2 is provided with a hole shaft 7, the hole shaft 7 is connected with an output shaft 107, the output shaft 107 is connected with a motor 114, and the rotation of the atomization rotary spray disk is controlled by the motor 113.

The utility model discloses rotatory dish 101 that spouts of atomizing still has structural feature: the raw material melt can be continuously thrown out in a settable micro-droplet (fog) shape; the high-viscosity raw material melt passes through the spray holes of the spray plate, and the effective sectional area of each spray hole is more than two hundred square millimeters, so that the probability of blockage of the spray holes can be reduced to the minimum; the rotating speed of the spray disk is controlled by a frequency converter, so that the diameter of liquid drops can be accurately adjusted; the motor is a 15 kilowatt two-stage vertical explosion-proof motor. In order to compensate the defect that the spray plate can not reach the required working temperature due to high-speed rotation heat dissipation, an electric heater 102 is arranged at the lower part of the spray plate, and the purpose of the function is to ensure that the melt still has enough liquid fluidity at the nozzle.

The utility model discloses an atomizing is rotatory spouts dish not only is applied to in the chemical fertilizer production operation, and it can be popularized and applied to various equipment that need high-speed rotatory injection meltwater.

Example 2

The difference between this embodiment and embodiment 1 is that the index block 3 is integrally formed with the lower end plate 1, and then the index block 3 and the lower end plate 1 are fixed integrally with the upper end plate 2 by rivets 6.

Example 3

This embodiment is different from the above embodiments in that, as shown in fig. 6, the protrusion 31 is a V-shaped protrusion with an isosceles triangle cross section, and the index block 3 is fixedly connected with the lower end plate 1 by a rivet.

Example 4

This embodiment is different from the above embodiments in that the index block 3 is integrally formed with the lower end plate 1, and then the index block 3 and the lower end plate 1 are fixed into a whole with the upper end plate 2 by the rivet 6, as shown in fig. 6, the protrusion 31 is a V-shaped protrusion with an isosceles triangle section.

Example 5

As shown in fig. 7, the present embodiment provides a granulator for fertilizer production, which includes the atomizing rotary spray disk 101, an electric heater 102 is disposed below the atomizing rotary spray disk 101, and the heater 102 is fixed by a heating tray 103 and a pressing cover 104. The electric heater 102 is used for heating the melt, and is used for ensuring that the atomizing rotary spray disk 101 is always in a molten state, so that the melt is further prevented from blocking the rectangular nozzle.

The center of the lower end plate of the atomizing rotary spraying disc 101 sequentially passes through the output shaft 107, the coupler 111 is connected with the motor 113, the rotation of the motor 113 is output to the output shaft 107 through the coupler 111, the output shaft 107 drives the atomizing rotary spraying disc 101 to rotate at a high speed, so that molten liquid is sprayed out under the action of centrifugal force, and the motor 113 is fixed through the motor base 112.

The outer wall of the output shaft 107 is sleeved with a bearing seat 105, the bearing seat 105 is connected with a shell 106, a supporting base 109 is arranged below the shell 106 and used for supporting the bearing seat 105 and the shell 106, and an oil sealing cover 110 is arranged below the supporting base 109. A downward conical cover 108 is sleeved on the outer wall of the bearing seat 105, and a cylindrical cover 114 is connected to the lower part of the conical cover 108.

The conical cover 108 covers all components below the atomizing rotary spray disk 101 in the conical cover 108.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims

1. The atomizing rotary spray disk for fertilizer production is characterized by comprising a lower end plate, a plurality of dividing blocks and an upper end plate, wherein the lower end plate, the plurality of dividing blocks and the upper end plate are arranged from bottom to top;

2. The atomizing rotary spray disk for fertilizer production as set forth in claim 1, wherein a side of said index block facing the center of the lower end plate is a protrusion, said protrusion being a protrusion having a narrow upper portion and a wide lower portion.

3. The atomizing rotary spray disk for fertilizer production as set forth in claim 2, wherein the cross section of the protrusion is a circular arc surface or the cross section of the protrusion is an isosceles triangle.

4. The atomizing rotary spray disk for fertilizer production as claimed in claim 1, wherein a rectangular nozzle is formed between any two of the indexing blocks, and the rectangular nozzle has a height of 20-35mm and a width of 5-12 mm.

5. The atomizing rotating spray disk for fertilizer production as set forth in claim 4, wherein said rectangular spout has a cross-sectional width and height of 8mm by 30 mm;

the number of the rectangular nozzles is 10-20.

6. The atomizing rotary spray disk for fertilizer production as set forth in claim 1, wherein said index block is fixedly connected with said lower end plate by means of rivets.

7. The atomizing rotary spray disk for fertilizer production as set forth in claim 1, wherein said index block is integrally formed with said lower end plate.

8. The atomizing rotary spray disk for fertilizer production as set forth in claim 1, wherein said upper end plate is fixedly connected to said index block and said lower end plate by rivets.

9. The atomizing rotary spray disk for fertilizer production as set forth in claim 1, wherein said upper end plate and said lower end plate have the same shape and size, and said upper end plate and said lower end plate have a circular shape.

10. A granulator for fertilizer production, characterized in that it comprises an atomizing rotary spray disk as described in any one of claims 1 to 9, an electric heater is arranged below the atomizing rotary spray disk, and the heater is fixed by a heating tray and a gland.

11. The pelletizer for fertilizer production as set forth in claim 10, wherein the center of the lower end plate of said atomizing rotary spray disk is connected to the motor through the output shaft in turn through the coupling.

12. The granulator for fertilizer production as claimed in claim 11, wherein the outer wall of the output shaft is sleeved with a bearing seat, the bearing seat is connected with a housing, and a support base is arranged below the housing;

the outer wall of the bearing seat is sleeved with a downward conical cover, and the lower part of the conical cover is connected with a cylindrical cover.