Compound fertilizer mixing preparation system

Abstract

The utility model belongs to a compound fertilizer mixing preparation system. Comprising a granulator, and a heating unit is connected with the granulator through a material mixing unit; the heating unit comprises a heating stirring box and a conveying pump, and the material mixing unit comprises a mixing barrel and a powdery raw material feeding box; the heating and stirring box is connected with the granulator through the conveying pump mixing barrel and the powdery raw material feeding box in sequence; the heating stirring box is provided with a heating cavity, the heating stirring box is connected with a steam inlet pipe and a steam outlet pipe which are communicated with the heating cavity, the top of the heating stirring box is provided with a first feeding hopper, and a discharging pipe of the first feeding hopper is connected with an instant heating pipe; the method has the characteristics of high preparation efficiency of the compound fertilizer mixed slurry, good preparation effect, uniform mixing of the compound fertilizer, improvement and reduction of energy consumption and obtaining of the compound fertilizer with excellent performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of compound fertilizer production, and in particular relates to a compound fertilizer mixing preparation system. Background Art

[0002] Compound fertilizer refers to a fertilizer containing two or more nutrients. Compound fertilizer has the advantages of high nutrient content, few by-components and good physical properties. It plays a very important role in balanced fertilization, improving fertilizer utilization and promoting high and stable yields of crops. In the production and preparation process of compound fertilizer, it is necessary to heat the fertilizer components to a molten state, and then add other fertilizer components for sufficient mixing to achieve the required compound fertilizer. The current compound fertilizer mixed slurry has a poor mixing effect on the fertilizer during the preparation process, resulting in the fertilizer slurry of different components cannot be fully and completely mixed, which in turn affects the quality of the compound fertilizer. Utility Model Content

[0003] The purpose of the utility model is to provide a peanut sowing and topdressing device to solve the problem that the compound fertilizer mixed slurry proposed in the above background technology has a poor mixing effect on the fertilizer during the preparation process, resulting in the fertilizer slurry of different components cannot be fully and completely mixed, thereby affecting the quality of the compound fertilizer.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A compound fertilizer mixing preparation system comprises a granulator, wherein a heating unit is connected to the granulator via a material mixing unit; the heating unit comprises a heating stirring box and a conveying pump, and the material mixing unit comprises a mixing drum and a powdered raw material feeding box; the heating stirring box is connected to the granulator via the conveying pump, the mixing drum and the powdered raw material feeding box in sequence; the heating stirring box is provided with a heating chamber, and a steam inlet pipe and a steam outlet pipe connected to the heating chamber are connected to the heating stirring box, a first feeding hopper is provided on the top of the heating stirring box, and a discharge pipe of the first feeding hopper is connected to an instant heating pipe.

[0006] Preferably, a stirring blade is rotatably provided at the bottom of the heating stirring box, and the stirring blade is driven by a stirring motor, and a scraper is rotatably provided at the top of the heating stirring box, the scraper is in contact with the inner wall of the heating stirring box, and the scraper is driven by a scraper motor.

[0007] Preferably, a conical bottom surface protruding upward is provided in the middle of the bottom of the heating and stirring box.

[0008] Preferably, the discharge pipe is connected to a delivery pump, and the outlet end of the delivery pump is connected to a shunt pipe.

[0009] Preferably, a first partition and a second partition are provided in the mixing barrel, a first mixing tube arranged along the axial direction of the mixing barrel is fixedly provided on the first partition, the outlet end of the diversion tube is connected to the inlet end of the first mixing tube, a conical flow guide cover is provided in the mixing barrel between the first partition and the second partition, and a mixing chamber is formed between the first partition and the flow guide cover, a second mixing tube is connected to the second partition, and the second mixing tube is connected to the outlet end of the flow guide cover, and the outlet end of the second mixing tube is connected to the granulator via a connecting pipe.

[0010] Preferably, a plurality of second hoppers are provided at the top of the powdered raw material feeding box, a spiral guide plate is provided inside the powdered raw material feeding box along its axial direction, a conveying auger is provided at the bottom of the powdered raw material feeding box, the blades on both sides of the auger blades are symmetrically arranged, and the rotation directions are opposite, the discharge pipe at the bottom of the powdered raw material feeding box is located in the middle position of the auger blades, discharge pipes are provided at both side ends of the conveying auger, and the discharge pipes are connected to the corresponding first mixing pipe and second mixing pipe through the feeding pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model quickly preheats the first material through the instant heating tube, then heats the first material through the heating chamber, and stirs the first material through the stirring blades. The heating stirring box has high heating efficiency for the first material, thereby improving the preparation efficiency of the compound fertilizer mixed slurry.

[0013] 2. The utility model uses a scraper motor to drive the scraper to scrape off the sticky molten liquid on the inner wall of the heating and stirring box, so that the molten material is fully utilized and the inner wall of the heating and stirring box is easy to clean.

[0014] 3. The utility model mixes the second material and the third material through a powdered raw material feeding box and a conveying auger. The mixed second material and the third material are mixed with the molten material for multiple times through a mixing barrel. The mixing efficiency and mixing effect are better, thereby improving the preparation effect of the compound fertilizer mixed slurry.

[0015] 4. The preparation efficiency of the compound fertilizer mixed slurry in the utility model is high, the preparation effect is good, the compound fertilizer is mixed evenly, and the energy consumption is improved and reduced while obtaining a compound fertilizer with excellent performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the heating and stirring box of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the mixing cylinder of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the powdered raw material feeding box of the utility model.

[0020] In the figure:

[0021] 1. Heating and stirring box, 101 conical bottom surface, 102 heating chamber, 2 first hopper, 3 instant heating tube, 4 stirring motor, 5 stirring blade, 6 scraper motor, 7 scraper, 8 steam inlet pipe, 9 steam outlet pipe, 10 drainage pipe, 11 delivery pump, 12 diverter pipe, 13 mixing barrel, 131 mixing chamber, 14 first partition, 15 first mixing tube, 16 feeding tube, 17 second partition, 18 guide cover, 19 second mixing tube, 20 powdered raw material feeding box, 21 second hopper, 22 spiral guide plate, 23 delivery auger, 24 auger blade, 25 discharge pipe, 26 granulator. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-4 The utility model provides an embodiment: comprising a granulator 26, a heating unit connected to the granulator 26 through a material mixing unit; the heating unit comprises a heating stirring box 1 and a delivery pump 11, the material mixing unit comprises a mixing drum 13 and a powdered raw material feeding box 20; the heating stirring box 1 is connected to the granulator 26 through the delivery pump 11, the mixing drum 13 and the powdered raw material feeding box 20 in sequence; the heating stirring box 1 is provided with a heating chamber 102, and the heating stirring box 1 is connected with a steam connected to the heating chamber 102 The steam inlet pipe 8 and the steam outlet pipe 9 are provided at the top of the heating and stirring box 1. The discharge pipe of the first feeding hopper 2 is connected to the instant heating pipe 3. The bottom of the heating and stirring box 1 is provided with a stirring blade 5, and the stirring blade 5 is driven by a stirring motor 4. The top of the heating and stirring box 1 is provided with a scraper 7, and the scraper 7 is in contact with the inner wall of the heating and stirring box 1, and the scraper 7 is driven by a scraper motor 6. The heating and stirring box 1 is provided with a conical bottom surface 101, and the conical bottom surface 101 is convenient for the discharge pipe 10 to discharge. The conical bottom surface 101 is preferably arranged in the middle position of the bottom of the heating and stirring box 1, so that the molten liquid flows around the bottom of the heating and stirring box 1 to achieve the purpose of facilitating discharge.

[0024] Furthermore, the discharge pipe 10 is connected to a delivery pump 11 , and the outlet end of the delivery pump 11 is connected to a shunt pipe 12 .

[0025] Furthermore, a first partition plate 14 and a second partition plate 17 are provided in the mixing barrel 13, a first mixing tube 15 arranged along the axial direction of the mixing barrel 13 is fixedly provided on the first partition plate 14, the outlet end of the diverter tube 12 is connected to the inlet end of the first mixing tube 15, a conical flow guide cover 18 is provided between the first partition plate 14 and the second partition plate 17 in the mixing barrel 13, and a mixing chamber 131 is formed between the first partition plate 14 and the flow guide cover 18, a second mixing tube 19 is connected to the second partition plate 17, and the second mixing tube 19 is connected to the outlet end of the flow guide cover 18, and the outlet end of the second mixing tube 19 is connected to the granulator 26 via a connecting pipe.

[0026] Furthermore, a plurality of second hoppers 21 are provided at the top of the powdered raw material feeding box 20, a spiral guide plate 22 is provided inside the powdered raw material feeding box 20 along its axial direction, a conveying auger 23 is provided at the bottom of the powdered raw material feeding box 20, the blades on both sides of the auger blade 24 are symmetrically arranged, and the rotation directions are opposite, the discharge pipe at the bottom of the powdered raw material feeding box 20 is located in the middle of the auger blade 24, and the two side ends of the conveying auger 23 are provided with a discharge pipe 25, and the discharge pipe 25 is connected to the feeding pipe 16 through a connecting pipe. The feeding pipes 16 described in the utility model are two, which are respectively connected to the middle of the first mixing pipe 15 and the second mixing pipe 19 to achieve the purpose of mutual fusion between materials.

[0027] The working principle of the utility model is as follows: the first material is added into the heating and stirring box 1 through the first hopper 2, and the first material is quickly preheated when passing through the instant heating tube 3, the steam inlet pipe 8 and the steam outlet pipe 9 are connected to the external steam circulation conveying device, the first material is heated through the heating chamber 102, and the material in the heating and stirring box 1 is stirred by the stirring blade 5, so that the first material is heated to a molten liquid state; the molten material in the heating and stirring box 1 is conveyed to the first mixing pipe 15 by the conveying pump 11; at the same time, the second material and the third material are added into the powder raw material feeding box 20 through the second hopper 21, and the second material and the third material are stirred by the spiral guide plate 22. The third material is preliminarily mixed, and the material in the powdered raw material feeding box 20 falls into the conveying auger 23. Since the blades on both sides of the auger blade 24 are symmetrically arranged and rotate in opposite directions, the conveying auger 23 conveys the preliminarily mixed second material and third material to the direction of the discharge pipe 25 at both ends thereof, and the second material and the third material are mixed again by the conveying auger 23, and the material in the discharge pipe 25 is added to the first mixing pipe 15 through the feeding pipe 16; the molten material in the first mixing pipe 15 is preliminarily mixed with the already mixed second material and third material, and the material in the first mixing pipe 15 flows to the mixing chamber 131 for secondary mixing, and then is discharged to the granulator 26 through the second mixing pipe 19. The scraper motor 6 drives the scraper 7 to scrape off the sticky molten liquid on the inner wall of the heating and stirring box 1, so that the molten material is fully utilized, and it is also convenient to clean the inner wall of the heating and stirring box 1. The utility model has high preparation efficiency of compound fertilizer mixed slurry, good preparation effect, uniform mixing of compound fertilizer, and improves and reduces energy consumption while obtaining excellent performance compound fertilizer.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A compound fertilizer mixing and preparation system, comprising a granulator (26), characterized in that: The heating unit is connected to the granulator (26) via a material mixing unit; The heating unit comprises a heating stirring box (1) and a delivery pump (11), and the material mixing unit comprises a mixing barrel (13) and a powdered raw material feeding box (20); The heating and stirring box (1) is connected to the granulator (26) through the delivery pump (11), the mixing cylinder (13) and the powdered raw material feeding box (20) in sequence; The heating and stirring box (1) is provided with a heating chamber (102), and is connected to a steam inlet pipe (8) and a steam outlet pipe (9) which are in communication with the heating chamber (102). A first feeding hopper (2) is provided on the top of the heating and stirring box (1), and a discharge pipe of the first feeding hopper (2) is connected to an instant heating pipe (3); The heating and stirring box (1) is provided with a liquid discharge pipe (10), the liquid discharge pipe (10) is connected to a delivery pump (11), and the outlet end of the delivery pump (11) is connected to a diversion pipe (12); The mixing barrel (13) is provided with a first partition (14) and a second partition (17); a first mixing tube (15) is fixedly provided on the first partition (14) and is arranged along the axial direction of the mixing barrel (13); the outlet end of the flow divider (12) is connected to the inlet end of the first mixing tube (15); a conical flow guide cover (18) is provided between the first partition (14) and the second partition (17) in the mixing barrel (13); a mixing chamber (131) is formed between the first partition (14) and the flow guide cover (18); a second mixing tube (19) is connected to the second partition (17); the second mixing tube (19) is connected to the outlet end of the flow guide cover (18); and the outlet end of the second mixing tube (19) is connected to a granulator (26) via a connecting pipe.

2. A compound fertilizer mixing preparation system according to claim 1, characterized in that: The bottom of the heating and stirring box (1) is provided with a stirring blade (5) for rotation, and the stirring blade (5) is driven by a stirring motor (4); the top of the heating and stirring box (1) is provided with a scraper (7) for rotation, the scraper (7) is in contact with the inner wall of the heating and stirring box (1), and the scraper (7) is driven by a scraper motor (6).

3. A compound fertilizer mixing preparation system according to claim 1 or 2, characterized in that: A conical bottom surface (101) protruding upward is provided at the middle position of the bottom of the heating and stirring box (1).

4. A compound fertilizer mixing preparation system according to claim 1, characterized in that: A plurality of second hoppers (21) are provided at the top of the powdered raw material feeding box (20), a spiral guide plate (22) is provided inside the powdered raw material feeding box (20) along its axial direction, a conveying auger (23) is provided at the bottom of the powdered raw material feeding box (20), the blades on both sides of the auger blade (24) are symmetrically arranged and rotate in opposite directions, a discharge pipe at the bottom of the powdered raw material feeding box (20) is located in the middle of the auger blade (24), discharge pipes (25) are provided at both side ends of the conveying auger (23), and the discharge pipes (25) are connected to the corresponding first mixing pipe (15) and second mixing pipe (19) through the feeding pipe (16).

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