CN215917307U

CN215917307U - Production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride

Info

Publication number: CN215917307U
Application number: CN202122417462.1U
Authority: CN
Inventors: 张涛
Original assignee: Qingdao Huide Hi Tech Industrial Equipment Co ltd
Current assignee: Qingdao Huide Hi Tech Industrial Equipment Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-01
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of chemical process, in particular to a production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride, wherein a granulation component, a drying component, a screening component and a coating component are sequentially connected through material pipes, air guide ports of the components are converged into an air conveying pipe, and the tail end of the air conveying pipe is provided with a dust removal component, and the production device has the advantages that: by additionally arranging the disk granulator, the produced fertilizer particles are spherical, so that the use amount of the coating agent is greatly reduced; the multi-stage sieving machine is arranged, so that chemical fertilizer particles with overlarge sizes and undersize sizes need to be sieved out, and the sieved particles return to the roller granulator for reshaping, so that the production quality of the chemical fertilizer is further improved; the utility model has simple structure, uniformly treats the waste gas in operation through the gas transmission pipe and the dust remover and then discharges the waste gas, thereby meeting the national environmental protection requirement on industrial production.

Description

Production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride

Technical Field

The utility model relates to the technical field of chemical processes, in particular to a production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride.

Background

In the early development stage of the fertilizer, the product is mostly powder, although the powder fertilizer is easy to mix, the powder fertilizer is easy to separate, difficult to control caking, poor in flowability, easy to form dust in the application process and easy to run off, and the like. One of the ways to solve the problems is granulation of the fertilizer, the granulation of the fertilizer can adapt to mechanized fertilization, the granulated fertilizer has the advantages of good physical performance, no dust generation during loading and unloading, no caking during long-term storage, good fluidity, easy spreading during fertilization, capability of realizing airplane fertilizer spreading, loss reduction and the like, and can play a role in slow release and improve the utilization rate of the fertilizer. Most of the fertilizers in China are still powdery products, such as common urea, ammonium bicarbonate, calcium superphosphate, ammonium sulfate, ammonium chloride, potassium chloride and the like. Some of these become the feedstock for compound fertilizers, but most of them, about 70%, are still applied in powder form to the field. Although products such as ammonium bicarbonate and calcium superphosphate tend to be reduced gradually, the products still have a certain proportion in the future within a certain period of time due to the large base number in China.

Currently, the mode of agricultural production is gradually giving up the small farming economy, moving to large farms, which are a combination of home farms and corporate large farms. The own cultivated land of the family farm mode is between 200 and 1000 mu, and has various agricultural machines, and the machines for cultivating land, sowing, fertilizing, watering, weeding, spraying pesticide, harvesting and the like are all in good condition. The company-based large farm implements company-based management and branding operation, and the company can operate large farms which are different from thousands of acres to hundreds of thousands of acres, so that large-scale agricultural production is realized, the production cost of grains can be effectively reduced, and the branding operation can be performed on the grains.

Under the condition of a large farm, the defects of the compound fertilizer are prominent. For example, the nutrient proportion is always fixed, and the types, the amounts and the proportions of the required nutrient elements are various for different soils and different crops. Therefore, soil testing can be carried out in a large farm mode, and the elemental fertilizer is applied after the texture and the nutritional condition of field soil are known. The simple substance fertilizer is a fertilizer only containing one essential nutrient element for plants, and only contains one major element of nitrogen, phosphorus and potassium. The surface of the simple substance fertilizer particles is coated with a layer of semi-permeable or insoluble film, and the types of the coating materials mainly comprise sulfur, high molecular polymers, resin, paraffin, asphalt and the like. The film-forming substances are wrapped on the surface of the elemental fertilizer particles, so that direct contact between the fertilizer and soil and crop roots is avoided, moisture enters the film to dissolve nutrients, osmotic pressure is increased, the nutrients are promoted to diffuse to soil solution through the film, leaching loss of soluble nutrients, volatilization loss of ammonia, fixation of phosphorus and the like are reduced, and the utilization rate of the fertilizer is improved.

The simple substance fertilizer is directly extruded and formed by a roller granulator, and the mode has the defects of high breakage rate of finished product particle bags, flat particles, uneven sizes and the like. The non-uniformity of the particles leads to the reduction of the factory quality, the flat particles are not beneficial to the rolling mixing with the coating material in the coating operation, the dosage of the coating material is non-uniform, and the dosage of the coating material is increased and the waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride, which realizes the requirement of uniformity and high absorptivity of farm industrial materials by spherically coating powdery fertilizers, and has the following specific implementation modes:

the utility model provides a production facility of ammonium sulfate, potassium sulphate, potassium chloride spherical particle, includes granulation subassembly, stoving subassembly, screening subassembly, diolame subassembly and dust removal subassembly, links to each other in proper order through the material pipe between granulation subassembly, stoving subassembly, screening subassembly and the diolame subassembly, and the gas guide mouth of each subassembly all converges in the gas transmission pipe of horizontal hoist and mount, and the end of gas transmission pipe has put the dust removal subassembly.

The granulation component comprises a raw material bin and an auxiliary agent bin which are vertically arranged, the discharge ends of the raw material bin and the auxiliary agent bin are respectively connected into the feed end of the roller granulator after passing through the granulation auger and the auxiliary agent auger, and the discharge end of the roller granulator is connected to the disc granulator.

The drying component is composed of a low-temperature dryer and a high-temperature dryer which are connected end to end, and the feed end of the low-temperature dryer is connected with the discharge end of the disc granulator.

Screening subassembly includes end to end's first sieve separator and second screening, carries vertical the being connected through the feeding fill between first screening and the high temperature drying-machine, and first sieve separator bottom is through first scraper blade access master batch buffer storehouse.

The dust removal component comprises a granulation dust remover, a discharge port of the granulation dust remover is provided with a second scraper, and an air outlet of the granulation dust remover is connected with a fan.

Further, the discharge end of the master batch buffer bin is connected into the roller granulator through a material pipe.

Further, still include the rapping ware, it sets up in the side bottom of first sieve separator.

Further, the coating assembly comprises a second belt scale and a coating machine which are vertically connected, and the feeding end of the second belt scale is connected to the discharging end of the second screening device.

Due to the adoption of the technical scheme, the utility model has the beneficial technical effects that:

1. according to the utility model, by additionally arranging the disk granulator, the produced fertilizer particles are spherical, so that the use amount of the coating agent is greatly reduced;

2. according to the utility model, the multi-stage sieving machine is arranged, so that chemical fertilizer particles with overlarge sizes and undersize sizes need to be sieved out, and the sieved particles return to the roller granulator for reshaping, so that the production quality of the chemical fertilizer is further improved;

3. the utility model has simple structure, uniformly treats the waste gas in operation through the gas transmission pipe and the dust remover and then discharges the waste gas, thereby meeting the national environmental protection requirement on industrial production.

Drawings

Fig. 1 and fig. 2 are schematic structural flow diagrams of the present invention.

Description of reference numerals:

1. a granulation component 2, a drying component 3, a screening component 4, a film coating component 5, a dust removal component 6, a material pipe 7 and a gas pipe,

11. a raw material bin 12, an additive bin 13, a granulating auger 14, an additive auger 15, a roller granulator 16, a disc granulator 17 and an electric hoist,

21. a low temperature dryer, 22, a high temperature dryer,

31. a first screener 32, a second screener 33, a master batch buffer bin 34, a first belt scale 35, a feeding hopper lift 36, a first scraper 37 and a rapping device,

41. a second belt scale 42, a film coating machine,

51. a granulating dust remover, 52, a fan, 53 and a second scraper.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings and examples:

it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.

In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Embodiment 1, combine fig. 1, this embodiment provides a production facility of ammonium sulfate, potassium chloride spherical granule, including granulation subassembly 1, stoving subassembly 2, screening subassembly 3 and diolame subassembly 4, links to each other in proper order through material pipe 6 between granulation subassembly 1, stoving subassembly 2, screening subassembly 3 and the diolame subassembly 4, through diolame and multistage screening, further improves the production quality of fertilizer.

Granulation subassembly 1 is including the former feed bin 11 and the auxiliary agent feed bin 12 of vertical setting, discharge end between them is respectively through granulation auger 13, insert the feed end of roller granulator 15 behind the auxiliary agent auger 14, the discharge end of roller granulator 15 is connected in disc granulator 16, fertilizer granule is sent back the former feed bin through feed back device again and is carried out the secondary roll-in the disc granulator 16, the size of extrusion force can be adjusted by hydraulic system according to the needs of particle intensity, through changing the roll surface form of slotting, can obtain globular fertilizer.

Drying assembly 2 comprises low temperature drying-machine 21 and high temperature drying-machine 22 end to end, and low temperature drying-machine 21 feed end is connected in the discharge end of disc granulator 16, and spherical fertilizer is gradually through low temperature, high temperature stoving operation in this structure, makes its stoving effect better.

Screening subassembly 3 includes first sieve 31 and second sieve 32 of end to end, carry 35 vertical connection through the feeding fill between first sieve 31 and the high temperature drying-machine 22, first sieve 31 bottom is passed through first scraper blade 36 and is connected into master batch buffer storehouse 33, first sieve 31 sieves the too big fertilizer granule of size and fertilizer powder in this structure, the side bottom of first sieve 31 is provided with rapping apparatus 37 to strengthen the mobility of fertilizer granule in first sieve 31, second sieve 32 sieves the too little fertilizer granule of size.

The coating component 4 comprises a second belt scale 41 and a coating machine 42 which are vertically connected, the feeding end of the second belt scale 41 is connected to the discharging end of the second screening device 32, the coating machine 42 in the structure comprises a spiral conveyor, a stirring tank, an oil pump, a main machine and the like, and the coating auxiliary agent coating process is adopted, so that caking of the effective fertilizer can be realized, and the fertilizer can be fully released.

Embodiment 2, this embodiment combines the content of above-mentioned embodiment, still provides a production facility of ammonium sulfate, potassium chloride spherical granule, combines fig. 2, and the air guide port of each subassembly of granulation subassembly 1, stoving subassembly 2, screening subassembly 3, capsule subassembly 4 all converges in the air-supply pipe 7 of horizontal hoist and mount, and air-supply pipe 7 end is provided with dust removal subassembly 5, through setting up dust removal subassembly 5 additional, has strengthened the environment friendly degree of device itself.

The gas pipe 7 is formed by splicing short pipes, the top horizontal section of the gas pipe is transversely hoisted through the electric hoist 17, and the gas pipe 7 at the later-stage damage section is convenient to replace through the electric hoist 17.

The dust removal component 5 comprises a granulation dust remover 51, an air outlet of the granulation dust remover is connected with a fan 52, and in the structure, after the granulation dust remover 51 screens off the air, the remained fertilizer powder particles are recycled.

Embodiment 3, this embodiment combines the content of the above-mentioned embodiment, and also provides a production apparatus for spherical particles of ammonium sulfate, potassium sulfate, and potassium chloride, which includes two return lines for recycling production waste.

The discharge end of master batch buffer storage 33 passes through material pipe 6 and inserts cylinder granulator 15, and the direct leading-in cylinder granulator 15 of master batch is granulation again, and the bottom discharge gate of granulation dust remover 51 is equipped with second scraper blade 53, and the discharge gate of granulation dust remover 51 is connected with first sieve separator 31, and the leading-in material returning buffer storage storehouse of second scraper blade 53 is by the jumbo size fertilizer granule that first sieve separator 31 sieved and the dust fertilizer granule that granulation dust remover 51 filtered off.

Example 4, this example provides a method for using a device for producing spherical particles of ammonium sulfate, potassium sulfate, and potassium chloride based on the above examples.

Adding a powdered fertilizer into a raw material bin 11, adding an auxiliary agent into an auxiliary agent bin 12, opening a hot water pump, introducing hot water into a roller granulator 15, mixing the powdered fertilizer, water and the auxiliary agent in the roller granulator 15 under the control of the using amounts of a granulation auger 13 and an auxiliary agent auger 14 to form flat particles, and discharging condensed water from a material pipe 6 to a hot water tank; subsequently, the fertilizer granules are introduced into a disk granulator 16 to obtain spherical fertilizer granules, but the fertilizer granules at this time are different in size; hot air is introduced into the drying machine by the hot blast stove and the potassium sulfate factory building, the spherical particles are alternately dried in the low-temperature drying machine 21 and the high-temperature drying machine 22, the flowing direction of the hot air is adjusted by a control valve, and the hardness of the dried particles is improved; in the screening process, a secondary screening is carried out by utilizing a first screening device 31 and a second screening device 32; the spherical fertilizer granules with qualified size are screened out and fully mixed with the coating auxiliary agent, and the spherical fertilizer granules enter a packaging procedure after the coating is finished in the coating machine 42.

Example 5, this example provides a method for dust removal in an apparatus for producing spherical particles of ammonium sulfate, potassium sulfate, and potassium chloride based on the above examples.

Compressed air is introduced into the raw material bin 11 and is conveyed to the granulating dust remover 51 through the air conveying pipe 7; in the period, all waste gas generated by the auxiliary agent bin 12, the roller granulator 15, the disk granulator 16, the low-temperature dryer 21, the high-temperature dryer 22, the first screener 31, the second screener 32 and the coating machine 42 is converged into the gas pipe 7; the exhaust gas is extracted by the fan 52 under the gas-solid separation action of the granulating dust collector 51.

Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. A production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride, which comprises a granulation component (1), a drying component (2), a screening component (3), a coating component (4) and a dust removal component (5),

the granulating component (1), the drying component (2), the screening component (3) and the coating component (4) are sequentially connected through a material pipe (6), air guide ports of the components are converged into a horizontally hoisted air conveying pipe (7), and the tail end of the air conveying pipe (7) is provided with a dust removal component (5).

2. The production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 1, wherein the granulating component (1) comprises a vertically arranged raw material bin (11) and an additive bin (12), the discharge ends of the raw material bin and the additive bin are respectively connected to the feed end of the roller granulator (15) through a granulating auger (13) and an additive auger (14), and the discharge end of the roller granulator (15) is connected to the disc granulator (16).

3. The apparatus for producing spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 2, wherein the drying assembly (2) is composed of a low-temperature dryer (21) and a high-temperature dryer (22) which are connected end to end, and the feeding end of the low-temperature dryer (21) is connected with the discharging end of the disk granulator (16).

4. The production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 3, wherein the screening assembly (3) comprises a first screening device (31) and a second screening device (32) which are connected end to end, the first screening device (31) is vertically connected with the high-temperature dryer (22) through a feeding hopper lifter (35), and the bottom of the first screening device (31) is connected into the master batch buffering bin (33) through a first scraper (36).

5. The production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 4, wherein the discharge end of the master batch buffer bin (33) is connected to the roller granulator (15) through a material pipe (6).

6. The apparatus for producing spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 5, further comprising a vibrator (37) disposed at the bottom end of the side surface of the first screen (31).

7. The production device of spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 6, wherein the coating assembly (4) comprises a second belt scale (41) and a coating machine (42) which are vertically connected, and the feeding end of the second belt scale (41) is connected to the discharging end of the second sieving machine (32).

8. The apparatus for producing spherical particles of ammonium sulfate, potassium sulfate and potassium chloride as claimed in claim 7, wherein the dust-removing assembly (5) comprises a granulating dust remover (51), a second scraper (53) is arranged at a discharge port at the bottom end of the granulating dust remover, the discharge port of the granulating dust remover is also communicated with the first screening device (31), and a fan (52) is connected with an air outlet of the granulating dust remover.