CN113443945A

CN113443945A - Preparation and granulation method of potassium humate compound fertilizer

Info

Publication number: CN113443945A
Application number: CN202110826647.XA
Authority: CN
Inventors: 周卫通
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-28

Abstract

The invention relates to a method for preparing and granulating a potassium humate compound fertilizer, which uses a potassium humate compound fertilizer preparation and granulation device, wherein the potassium humate compound fertilizer preparation and granulation device comprises a base and a granulation device, and the upper surface of the base is provided with the granulation device. The invention can solve the following problems: present compound fertilizer granulation equipment is when carrying out the roll-in granulation to fertilizer powder, the position before can not timely will not be carried back to the fall by the rolled-in fertilizer powder again, make granulation equipment bottom accumulational fertilizer more and more, later still need the manual work to clear up alone, not only bring unnecessary amount of labour for the manual work, still can influence the production efficiency of fertilizer powder granulation, fertilizer granule after the roll-in shaping is attached to on granulation equipment's roller easily can not timely break away from, just can make the fertilizer of same position roll-in on the roller after more and also by the more compaction of roll-in.

Description

Preparation and granulation method of potassium humate compound fertilizer

Technical Field

The invention relates to the field of fertilizer granulation, in particular to a preparation and granulation method of a potassium humate compound fertilizer.

Background

Humic acid is a macromolecular organic substance widely existing in nature, is widely applied to the fields of agriculture, forestry, pasturing, petroleum, chemical industry, building materials, medical sanitation, environmental protection and the like, spans dozens of industries, has multiple purposes and is combined with elements such as nitrogen, phosphorus, potassium and the like to prepare humic acid fertilizers in agriculture, and has the functions of fertilizer synergism, soil improvement, crop growth stimulation, agricultural product quality improvement and the like, and the potassium humate compound fertilizer is one of the humic acid compound fertilizers.

The potassium humate is a high-molecular non-uniform aromatic hydroxycarboxylic acid salt, is a product obtained by finely selecting lignite and then reacting and extracting the lignite by using a potassium hydroxide liquid, is dissolved in water, is alkaline, contains active groups such as carboxyl, phenolic hydroxyl and the like, and is also a high-efficiency organic potassium fertilizer, and as humic acid is a bioactive preparation, the potassium humate can improve the quick-acting potassium content of soil, reduce the loss and fixation of potassium, increase the absorption and utilization rate of potassium by crops, and also has the functions of improving the soil, promoting the growth of the crops, improving the stress resistance of the crops, improving the quality of the crops, protecting the agricultural ecological environment and the like; it can be made into high-efficiency multifunctional compound fertilizer after being mixed with urea, phosphate fertilizer, potash fertilizer, trace elements and the like; the potassium humate compound fertilizer is produced into irregular solid particles or solid powder, and the irregular particles or powder are required to be granulated for convenient use.

At present, the following problems exist in the granulation processing of the potassium humate compound fertilizer: when the existing compound fertilizer granulation equipment rolls and granulates fertilizer powder, the fertilizer powder which is not rolled can not be conveyed back to the position before falling in time, so that more and more fertilizers are accumulated at the bottom of the granulation equipment, and then the fertilizers need to be cleaned independently by manpower, thereby not only bringing redundant labor capacity to the manpower, but also influencing the production efficiency of fertilizer powder granulation.

Secondly, when the existing compound fertilizer granulation equipment performs rolling granulation on fertilizer powder, the fertilizer particles formed by rolling are easily attached to a roller of the granulation equipment and cannot be separated in time, so that more and more fertilizers are rolled at the same position on the roller and are rolled more tightly, and the fertilizer particles cannot be loosened in time after being used in a farmland to disperse fertility on crops.

Disclosure of Invention

The invention aims to provide a method for preparing and granulating a humic acid potassium compound fertilizer, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a preparation and granulation method of a humic acid potassium compound fertilizer uses a preparation and granulation device of the humic acid potassium compound fertilizer, the preparation and granulation device of the humic acid potassium compound fertilizer comprises a base and a granulation device, when the preparation and granulation device of the humic acid potassium compound fertilizer is adopted to granulate humic acid potassium compound fertilizer powder, the specific method is as follows:

s1, preparation: debugging the potassium humate compound fertilizer preparation granulation equipment;

s2, preparing potassium humate compound fertilizer powder: firstly, removing partial mineral substances from coal through acid treatment, extracting the coal by using a dilute alkali solution, adding acid into liquid obtained through extraction for acidizing to obtain humic acid, combining the prepared humic acid with potassium element to prepare the potassium humate compound fertilizer, and crushing the potassium humate compound fertilizer by using the conventional crushing equipment;

s3, preparation of potassium humate compound fertilizer particles: adding the potassium humate compound fertilizer powder prepared in the S2 into a granulating device, and pressing the potassium humate compound fertilizer powder by the granulating device to obtain potassium humate compound fertilizer particles;

a granulating device is arranged on the upper surface of the base; wherein:

the granulating device comprises a granulating frame body, a granulating convex roller, a granulating concave roller, a first gear, a granulating motor, a second gear, a material returning unit, a granulating sieve plate and a collecting frame, wherein the upper surface of a base is provided with the granulating frame body, the middle part of the granulating frame body is an Contraband type structure with a downward opening, the granulating convex roller and the granulating concave roller are symmetrically arranged between the inner walls at two sides of a Contraband type structure on the granulating frame body in a rotating way, the granulating convex roller is in rotating fit contact with the granulating concave roller, the two ends of the granulating convex roller and the two ends of the granulating concave roller are both symmetrically provided with the first gear, the two first gears at the same position are mutually meshed and connected, the granulating motor is installed on the granulating frame body, the second gear is installed at the output end of the granulating motor, one first gear is meshed and connected with the second gear, the material returning unit is arranged on a Contraband type structure part on the granulating frame body, the granulating sieve plate is arranged at the lower ends of the inner walls at two sides of the Contraband type structure on the granulating frame body, the positions of the granulation frame body at the two ends of the granulation sieve plate are symmetrically provided with collecting frames.

As a further scheme of the invention: the inside of granulation framework Contraband type structure down has set gradually down the hopper from last, unloading baffle and collection baffle, the protruding roller of granulation and the concave roller of granulation are located down between hopper and the unloading baffle, the granulation sieve is located unloading baffle below position, and the unloading baffle symmetry is provided with two between the Contraband type structure both sides inner wall of granulation framework, be the eight characters type structure of falling between two unloading baffles, it is located granulation sieve below position to collect the baffle, and it is provided with two to collect the baffle symmetry between the Contraband type structure both sides inner wall of granulation framework, be the eight characters type structure of falling between two collection baffles, and it is inside to collect the baffle and be located the returning charge unit, the upper end both sides outer wall symmetry of granulation framework Contraband type structure is provided with the feeder hopper.

As a further scheme of the invention: evenly be provided with a plurality of granulation protruding pole on the protruding roller of granulation, evenly seted up a plurality of feed port on the concave roller of granulation, be provided with the concave piece of granulation in the feed port, granulation protruding pole and the concave piece one-to-one of granulation and cooperation contact, spherical recess has all been seted up to the one end of the protruding pole of granulation and the one end of the concave piece of granulation, and forms spherical cavity behind the spherical recess on the protruding pole of granulation and the spherical recess cooperation on the concave piece of granulation.

As a further scheme of the invention: the material returning unit includes material returning gyro wheel, returning belt, material returning frame and material returning motor, the symmetry is provided with four pairs of material returning gyro wheels between the inside both sides inner wall of granulation framework Contraband type structure, and four pairs of material returning gyro wheels are circumference align to grid inside the granule framework Contraband type structure, connect jointly through the material returning belt between four pairs of material returning gyro wheels, evenly be provided with a plurality of material returning frame along its length direction in the middle of the inner wall of material returning belt, be provided with the material returning motor in the granulation framework, one of them material returning gyro wheel and material returning motor output fixed connection.

As a further scheme of the invention: the granulation convex roller and the granulation concave roller are positioned in the middle of the material returning unit, the granulation sieve plate is positioned right below the granulation frame body and the granulation concave roller, and the granulation sieve plate is positioned inside the material returning unit.

As a further scheme of the invention: the granulation sieve plate is of an arc structure with the middle arched upwards.

As a further scheme of the invention: the inside round bar that rotates of granulation salient roller is provided with one number, and granulation salient roller and granulation framework fixed connection are stretched out at a round bar both ends, and fixed mounting has a salient roller on one number on the round bar, and sliding connection is connected with reset spring between granulation salient roller and the two between the two, and a salient roller and granulation salient rod other end sliding contact slide in the middle of the granulation salient rod are provided with an ejector pin, are connected with supporting spring between granulation salient rod and the ejector pin, and the one end cooperation contact of granulation salient roller and an ejector pin.

As a further scheme of the invention: the inside round bar that is provided with of granulation concave roller, granulation concave roller and granulation framework fixed connection are stretched out at No. two round bar both ends, and fixed mounting has No. two protruding rollers on No. two round bars, and granulation concave roller is inside to be provided with a plurality of granulation slide bar and be connected with reset spring between the two along its circumference direction uniform sliding, No. two protruding rollers and granulation slide bar sliding contact, granulation concave block comprises two parts and each part all with feeding pore wall sliding connection, all hinges through the granulation connecting rod between granulation slide bar and each part of relative position's granulation concave block.

Compared with the prior art, the invention has the following advantages:

1. the material returning unit can convey the fertilizer powder scattered on the fertilizer particles and the fertilizer powder not rolled to the upper part of the granulation convex roller and the granulation concave roller again in the running process, and then the fertilizer powder falls down again to be rolled, so that the accumulation of the fertilizer powder is effectively avoided, the labor intensity of workers is reduced, and the production efficiency of fertilizer granulation is improved.

2. Granulation convex roller and granulation concave roller carry out roll-in to fertilizer powder in the cooperation and become fertilizer granule after, a ejector pin that sets up in the granulation convex rod can push up the fertilizer granule of card in the spherical recess and move and drop, and granulation concave block comprises two parts, can be pushed up and move the sliding separation on the feed port wall, thereby can make the fertilizer granule break away from granulation concave block, the problem of avoiding can not in time drop after the fertilizer granule roll-in appears, make every fertilizer granule all can be acted on crops by the timely performance fertility after using.

3. After the fertilizer granule fell on the granulation sieve, can roll on the granulation sieve and fall to collecting in, at the in-process that the fertilizer granule rolled, fertilizer granule surface adhesion's fertilizer powder can be separated by the granulation sieve to avoid adhering to too much fertilizer powder on the fertilizer granule, too much fertilizer powder can make the fertilizer granule the problem of raise dust appear when using, fertilizer powder floats can cause environmental pollution's problem in the air.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the method of operation of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic front sectional view of the present invention.

Fig. 4 is a side sectional view of the present invention.

Fig. 5 is a schematic perspective view of a granulation convex roller according to the present invention.

FIG. 6 is a schematic sectional view of a granulation convex roller according to the present invention.

Fig. 7 is a schematic perspective view of a concave granulation roller according to the present invention.

FIG. 8 is a schematic sectional view of a concave granulation roller according to the present invention.

Fig. 9 is an enlarged schematic view of fig. 4 at a.

In the figure: 1. a base; 2. a granulation device; 20. a granulation frame body; 200. feeding a hopper; 201. a blanking baffle; 202. a collecting baffle; 203. a feed hopper; 21. a granulation convex roller; 210. a granulation convex rod; 211. a first round bar; 212. a first convex roller; 213. a first ejector rod; 22. a granulation concave roller; 220. a feed port; 221. granulating the concave blocks; 222. a second round bar; 223. a second convex roller; 224. a granulation slide bar; 225. a granulation connecting rod; 23. a first gear; 24. a granulation motor; 25. a second gear; 26. a material returning unit; 260. a material returning roller; 261. a return belt; 262. returning the material frame; 263. a material returning motor; 27. a granulation sieve plate; 28. and (5) collecting the frame.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1 and 2, a method for preparing and granulating a humic acid potassium compound fertilizer uses a humic acid potassium compound fertilizer preparation and granulation apparatus, which includes a base 1 and a granulation device 2, and when the humic acid potassium compound fertilizer preparation and granulation apparatus is used to granulate humic acid potassium compound fertilizer powder, the specific method is as follows:

s3, preparation of potassium humate compound fertilizer particles: firstly, a granulation motor 24 drives a granulation convex roller 21 and a granulation concave roller 22 to synchronously and relatively rotate through gear meshing transmission, then a material returning motor 263 is started to drive a material returning roller 260 connected with the granulation motor to rotate, then a material returning belt 261 can operate, so that the material returning belt 261 can drive a material returning frame 262 to operate around a granulation area in a granulation frame body 20, after the two operation processes are stable, potassium humate fertilizer powder is added into the granulation frame body 20 from a feed hopper 203, then the fertilizer powder is concentrated and falls between the granulation convex roller 21 and the granulation concave roller 22 through a lower hopper 200, in the rotation process of the granulation convex roller 21 and the granulation concave roller 22, a granulation convex rod 210 on the granulation convex roller 21 is matched and inserted with a feed hole 220 on the granulation concave roller 22, and when the granulation convex rod 210 is matched and inserted with the feed hole 220 to move to a horizontal position, a spherical groove at one end of the granulation convex rod 210 and a spherical groove 221 on the granulation concave block in the feed hole 220 form a spherical groove The cavity, so that the cooperation between the granulation convex rod 210 and the granulation concave block 221 extrudes the fertilizer powder falling in the feed hole 220 to form spherical particles.

Secondly, the fertilizer granules roll-formed by the granulation convex roller 21 and the granulation concave roller 22, the fertility granules stuck in the spherical groove on the granulation convex rod 210 are pushed off by the first push rod 213 when the granulation convex rod 210 is reset, the fertility granules stuck in the spherical groove on the granulation concave block 221 are separated by the two parts when the granulation concave block 221 is pushed, the fertility granules are separated, and the fertilizer powder which is not roll-formed is discharged together, the discharging baffle 201 can prevent the fertilizer granules and the fertilizer powder from scattering to other places, so that the fertilizer granules and the fertilizer powder fall on the granulation sieve plate 27, the fertilizer granules roll on the granulation sieve plate 27 towards the collection frame 28, the fertilizer powder attached to the surface of the fertilizer granules is scattered in the rolling process, then the fertilizer powder falls on the inner wall of the material returning belt 261 through the granulation sieve plate 27, the collection baffle 202 enables the fertilizer powder to concentrate on the inner wall of the material returning belt 261, in the process of the operation of the material returning belt 261, the material returning frame 262 collects the fertilizer powder in a centralized manner and moves to the upper part of the discharging hopper 200 along with the operation of the material returning belt 261, and then the fertilizer powder falls to the granulation convex roller 21 and the granulation concave roller 22 again due to the gravity, so that the fertilizer powder which is not rolled and molded in the previous rolling process can be rolled again.

Referring to fig. 2, a granulating device 2 is arranged on the upper surface of the base 1; wherein:

referring to fig. 2, 3 and 4, the granulating device 2 includes a granulating frame 20, a granulating convex roller 21, a granulating concave roller 22, a first gear 23, a granulating motor 24, a second gear 25, a material returning unit 26, a granulating sieve plate 27 and a collecting frame 28, the upper surface of the base 1 is provided with the granulating frame 20, the middle part of the granulating frame 20 is of an Contraband-shaped structure with a downward opening, the granulating convex roller 21 and the granulating concave roller 22 are symmetrically and rotatably arranged between the inner walls of two sides of the Contraband-shaped structure on the granulating frame 20, the granulating convex roller 21 and the granulating concave roller 22 are in rotating fit contact, two ends of the granulating convex roller 21 and two ends of the granulating concave roller 22 are symmetrically provided with the first gear 23, two first gears 23 at the same position are mutually meshed and connected, the granulating motor 24 is arranged on the granulating frame 20, the output end of the granulating motor 24 is provided with the second gear 25, one first gear 23 is meshed and connected with the second gear 25, the Contraband type structural part on the granulation framework 20 is provided with material returning unit 26, granulation convex roller 21 and granulation concave roller 22 are in the middle of material returning unit 26, Contraband type structure both sides inner wall lower extreme on the granulation framework 20 is provided with granulation sieve 27, granulation sieve 27 is the middle arc structure that upwards arches, and granulation sieve 27 is located under the position between granulation framework 20 and the granulation concave roller 22, and granulation sieve 27 is located inside material returning unit 26, and the position department symmetry that lies in granulation sieve 27 both ends on the granulation framework 20 is provided with collection frame 28.

Referring to fig. 2, fig. 3 and fig. 4, a lower hopper 200, a blanking baffle 201 and a collecting baffle 202 are sequentially arranged from top to bottom inside the granulation frame 20 Contraband type structure, a granulation convex roller 21 and a granulation concave roller 22 are located between the lower hopper 200 and the blanking baffle 201, the granulation sieve plate 27 is located below the blanking baffle 201, two blanking baffles 201 are symmetrically arranged between inner walls of two sides of the Contraband type structure of the granulation frame 20, an inverted-splayed structure is formed between the two blanking baffles 201, the collecting baffle 202 is located below the granulation sieve plate 27, two collecting baffles 202 are symmetrically arranged between inner walls of two sides of the Contraband type structure of the granulation frame 20, an inverted-splayed structure is formed between the two collecting baffles 202, the collecting baffles 202 are located inside the material returning unit 26, and feed hoppers 203 are symmetrically arranged on outer walls of two sides of the upper end of the 20 Contraband type structure of the granulation frame 20.

Referring to fig. 5, 6, 7, 8 and 9, a plurality of granulation convex rods 210 are uniformly arranged on the granulation convex roller 21, a plurality of feeding holes 220 are uniformly arranged on the granulation concave roller 22, granulation concave blocks 221 are arranged in the feeding holes 220, the granulation convex rods 210 are in one-to-one correspondence and in matching contact with the granulation concave blocks 221, spherical grooves are arranged at one end of each granulation convex rod 210 and one end of each granulation concave block 221, and the spherical grooves on the granulation convex rods 210 are matched with the spherical grooves on the granulation concave blocks 221 to form spherical cavities.

Referring to fig. 2, fig. 3 and fig. 4, the material returning unit 26 includes material returning rollers 260, material returning belts 261, material returning frames 262 and material returning motors 263, four pairs of material returning rollers 260 are symmetrically disposed between the inner walls of the two sides inside the type structure of the granulation frame 20 Contraband, and the four pairs of material returning rollers 260 are circumferentially and uniformly arranged inside the type structure of the granulation frame Contraband, the four pairs of material returning rollers 260 are commonly connected through the material returning belts 261, a plurality of material returning frames 262 are uniformly disposed along the length direction of the inner walls of the material returning belts 261, the granulation frame 20 is provided with the material returning motors 263, and one of the material returning rollers 260 is fixedly connected with the output end of the material returning motors 263.

During the specific operation, firstly, the granulation motor 24 is started to drive the second gear 25 to rotate, then the second gear 25 drives the first gear 23 to rotate through meshing, because the two first gears 23 positioned at the same position are meshed and connected with each other, the granulation convex roller 21 and the granulation concave roller 22 can synchronously rotate in opposite directions, the granulation convex roller 21 needs to rotate clockwise, the granulation concave roller 22 needs to rotate anticlockwise, so that a downward rolling action is formed at a contact position between the granulation convex roller 21 and the granulation concave roller 22, after the granulation convex roller 21 and the granulation concave roller 22 are driven to stably rotate, the material returning motor 263 is started to drive the material returning idler wheel 260 connected with the granulation convex roller to rotate, then the material returning belt 261 can operate, so that the material returning belt 261 can drive the material returning frame 262 to rotate around a granulation area in the granulation frame body 20.

Secondly, potassium humate fertilizer powder is added into the granulation frame body 20 from the feed hopper 203, then the fertilizer powder firstly passes through the discharge hopper 200 and intensively falls between the granulation convex roller 21 and the granulation concave roller 22, the granulation convex rod 210 on the granulation convex roller 21 is matched and inserted with the feed hole 220 on the granulation concave roller 22 in the rotation process of the granulation convex roller 21 and the granulation concave roller 22, when the granulation convex rod 210 is matched and inserted with the feed hole 220 and moves to a horizontal position, the spherical groove at one end of the granulation convex rod 210 and the spherical groove on the granulation concave block 221 in the feed hole 220 form a spherical cavity, so that the fertilizer powder falling in the feed hole 220 is extruded to form spherical granules by the matching between the granulation convex rod 210 and the granulation concave block 221, and the purpose of fertilizer powder granulation can be realized.

Thirdly, the fertilizer particles which are roll-formed by the granulation convex roller 21 and the granulation concave roller 22 and the fertilizer powder which is not roll-formed are discharged together, the discharge baffle 201 can prevent the fertilizer particles and the fertilizer powder from scattering to other places, so that the fertilizer particles and the fertilizer powder fall on the granulation sieve plate 27, the fertilizer particles roll on the granulation sieve plate 27 towards the collection frame 28, the fertilizer powder attached to the surface of the fertilizer particles can scatter in the rolling process of the fertilizer particles, then the fertilizer powder falls on the inner wall of the material returning belt 261 through the granulation sieve plate 27, the collection baffle 202 enables the fertilizer powder to intensively fall on the inner wall of the material returning belt 261, in the running process of the material returning belt 261, the material returning frame 262 intensively collects the fertilizer powder and moves above the discharge hopper 200 along with the running of the material returning belt 261, and then the fertilizer powder falls on the granulation convex roller 21 and the granulation concave roller 22 again due to the action of gravity, so that the fertilizer powder which has not been roll-formed in the previous time can be rolled again with a chance.

Referring to fig. 5 and 6, a first round rod 211 is rotatably arranged inside the granulation convex roller 21, two ends of the first round rod 211 extend out of the granulation convex roller 21 and are fixedly connected with the granulation frame body 20, a first convex roller 212 is fixedly mounted on the first round rod 211, the granulation convex roller 210 is in sliding connection with the granulation convex roller 21, a return spring is connected between the granulation convex roller 210 and the granulation convex roller 21, the first convex roller 212 is in sliding contact with the other end of the granulation convex roller 210, a first ejector rod 213 is slidably arranged in the middle of the granulation convex roller 210, a support spring is connected between the granulation convex roller 210 and the first ejector rod 213, and the granulation convex roller 21 is in matching contact with one end of the first ejector rod 213.

During the specific operation, in the process of rotation of the granulation convex roller 21, one end of the granulation convex rod 210 close to the first round rod 211 is gradually contacted with the first convex roller 212, the first convex roller 212 can extrude the granulation convex rod 210, so that one end of the granulation convex rod 210 extends out of the outer wall of the granulation convex roller 21 to be matched and inserted with the feed hole 220, after the spherical groove on the granulation convex rod 210 is matched with the spherical groove on the granulation concave block 221 to press the fertilizer powder into spherical particles, when the granulation convex roller 21 rotates again, the granulation convex rod 210 is separated from the first convex roller 212, after the granulation convex rod 210 loses the extrusion of the first convex roller 212, the granulation convex rod 210 slides into the granulation convex roller 21 again due to the restoring elasticity of the return spring, and in the process, one end of the first push rod 213 is gradually contacted with the inner wall of the granulation convex roller 21, the two are mutually extruded, so that one end of the first push rod 213 positioned in the spherical groove extends out of the spherical groove, if fertilizer granules are clamped in the spherical groove on the granulation convex rod 210, the first ejector rod 213 can eject the fertilizer granules, so that the fertilizer powder granulation operation after the fertilizer granules are clamped in the spherical groove is avoided.

Referring to fig. 7 and 8, a second round bar 222 is rotatably arranged inside the granulation concave roller 22, two ends of the second round bar 222 extend out of the granulation concave roller 22 and are fixedly connected with the granulation frame body 20, a second convex roller 223 is fixedly installed on the second round bar 222, a plurality of granulation sliding rods 224 are uniformly arranged inside the granulation concave roller 22 in a sliding manner along the circumferential direction of the granulation concave roller, return springs are connected between the granulation sliding rods 224 and the granulation sliding rods 223, the second convex roller 223 is in sliding contact with the granulation sliding rods 224, the granulation concave block 221 is composed of two parts, each part is in sliding connection with the wall of the feeding hole 220, and the granulation sliding rods 224 are hinged with each part of the granulation concave block 221 at the opposite position through granulation connecting rods 225.

In the concrete operation, when the granulation concave roller 22 rotates and the granulation concave block 221 is at the initial position, the granulation sliding rod 224 does not contact with the second convex roller 223, at this time, the granulation concave block 221 can cooperate with the granulation convex rod 210 to extrude and granulate the fertilizer powder, when the granulation concave block 221 and the granulation convex rod 210 are matched to extrude and granulate, the granulation concave roller 22 continues to rotate, so that the granulation sliding rod 224 starts to contact with the second convex roller 223, thus, the convex roller 223 of the second number gradually extrudes the granulation slide bar 224, the granulation slide bar 224 pushes the granulation concave block 221 to slide outwards on the wall of the feed hole 220 through the granulation connecting rod 225, thereby make the two parts of granulation concave block 221 part gradually, like this if there is the fertilizer granule card alright break away from fast in the spherical groove on the concave block 221 of granulation to avoid fertilizer granule card to influence the fertilizer powder granulation operation after in the spherical groove.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A preparation and granulation method of a humic acid potassium compound fertilizer uses a preparation and granulation device of the humic acid potassium compound fertilizer, the preparation and granulation device of the humic acid potassium compound fertilizer comprises a base (1) and a granulation device (2), and is characterized in that: when the potassium humate compound fertilizer preparation granulation equipment is used for granulating potassium humate compound fertilizer powder, the specific method is as follows:

s3, preparation of potassium humate compound fertilizer particles: adding the potassium humate compound fertilizer powder prepared in the S2 into a granulating device (2), and pressing the potassium humate compound fertilizer powder by the granulating device (2) to obtain potassium humate compound fertilizer particles;

a granulating device (2) is arranged on the upper surface of the base (1); wherein:

the granulating device (2) comprises a granulating frame body (20), a granulating convex roller (21), a granulating concave roller (22), a first gear (23), a granulating motor (24), a second gear (25), a material returning unit (26), a granulating sieve plate (27) and a collecting frame (28), the granulating frame body (20) is arranged on the upper surface of the base (1), the middle part of the granulating frame body (20) is of an Contraband-shaped structure with a downward opening, the granulating convex roller (21) and the granulating concave roller (22) are symmetrically and rotatably arranged between the inner walls of two sides of a Contraband-shaped structure on the granulating frame body (20), the granulating convex roller (21) and the granulating concave roller (22) are in rotating fit contact, the first gear (23) is symmetrically arranged at both ends of the granulating convex roller (21) and the granulating concave roller (22), the two first gears (23) at the same position are mutually meshed and connected, the granulating motor (24) is arranged on the granulating frame body (20), no. two gears (25) are installed to granulation motor (24) output, and one of them gear (23) is connected with No. two gear (25) meshing, and Contraband type structure part on granulation framework (20) is provided with material returning unit (26), and Contraband type structure both sides inner wall lower extreme on granulation framework (20) is provided with granulation sieve (27), and the position department symmetry that lies in granulation sieve (27) both ends on granulation framework (20) is provided with collection frame (28).

2. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 1, wherein the method comprises the following steps: a blanking hopper (200), a blanking baffle plate (201) and a collecting baffle plate (202) are sequentially arranged in the Contraband-shaped structure of the granulation frame body (20) from top to bottom, a granulation convex roller (21) and a granulation concave roller (22) are positioned between the blanking hopper (200) and the blanking baffle plate (201), a granulation sieve plate (27) is positioned below the blanking baffle plate (201), two blanking baffles (201) are symmetrically arranged between the inner walls of the two sides of the Contraband-shaped structure of the granulation frame body (20), an inverted splayed structure is formed between the two blanking baffles (201), a collecting baffle (202) is positioned below the granulation sieve plate (27), two collecting baffles (202) are symmetrically arranged between the inner walls of the two sides of the Contraband-shaped structure of the granulation frame body (20), an inverted splayed structure is formed between the two collecting baffles (202), and the collecting baffle (202) is positioned inside the material returning unit (26), and the outer walls of the two sides of the upper end of the granulating frame body (20) Contraband type structure are symmetrically provided with feed hoppers (203).

3. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 1, wherein the method comprises the following steps: evenly be provided with a plurality of granulation protruding rod (210) on granulation protruding roller (21), evenly seted up a plurality of feed port (220) on granulation concave roller (22), be provided with granulation concave block (221) in feed port (220), granulation protruding rod (210) and granulation concave block (221) one-to-one and cooperation contact, spherical recess has all been seted up to the one end of granulation protruding rod (210) and the one end of granulation concave block (221), and forms spherical cavity behind the spherical recess on granulation protruding rod (210) and the spherical recess cooperation on granulation concave block (221).

4. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 1, wherein the method comprises the following steps: returning charge unit (26) are including returning charge gyro wheel (260), returning charge belt (261), returning charge frame (262) and returning charge motor (263), the symmetry is provided with four pairs of returning charge gyro wheels (260) between the inside both sides inner wall of granulation framework (20) Contraband type structure, and four pairs of returning charge gyro wheels (260) are circumference align to grid inside granule framework Contraband type structure, connect jointly through returning charge belt (261) between four pairs of returning charge gyro wheels (260), evenly be provided with a plurality of returning charge frame (262) along its length direction in the middle of the inner wall of returning charge belt (261), be provided with returning charge motor (263) on granulation framework (20), one of them returning charge gyro wheel (260) and returning charge motor (263) output fixed connection.

5. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 1, wherein the method comprises the following steps: the granulation convex roller (21) and the granulation concave roller (22) are positioned in the middle of the material returning unit (26), the granulation sieve plate (27) is positioned right below the position between the granulation frame body (20) and the granulation concave roller (22), and the granulation sieve plate (27) is positioned inside the material returning unit (26).

6. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 1, wherein the method comprises the following steps: the granulating sieve plate (27) is of an arc structure with the middle arched upwards.

7. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 3, wherein the method comprises the following steps: granulation salient roller (21) inside is rotated and is provided with round bar (211) No. one, granulation salient roller (21) and granulation frame body (20) fixed connection are stretched out at round bar (211) both ends No. one, fixed mounting has a salient roller (212) on round bar (211), sliding connection and be connected with reset spring between the two between granulation salient roller (210) and the granulation salient roller (21), a salient roller (212) and granulation salient bar (210) other end sliding contact, the slip is provided with ejector pin (213) in the middle of granulation salient bar (210), be connected with supporting spring between granulation salient bar (210) and ejector pin (213), the one end cooperation contact of granulation salient roller (21) and ejector pin (213).

8. The method for preparing and granulating potassium humate compound fertilizer as claimed in claim 3, wherein the method comprises the following steps: granulation concave roller (22) inside is rotated and is provided with No. two round bar (222), and No. two round bar (222) both ends are stretched out granulation concave roller (22) and granulation frame body (20) fixed connection, and fixed mounting has No. two protruding roller (223) on No. two round bar (222), and granulation concave roller (22) inside is provided with a plurality of granulation slide bar (224) and is connected with reset spring between the two along its even slip of circumferential direction, No. two protruding roller (223) and granulation slide bar (224) sliding contact, granulation concave block (221) comprise two parts and each part all with feed port (220) wall sliding connection, all articulate through granulation connecting rod (225) between granulation slide bar (224) and relative position's granulation concave block (221) each part.