Compound fertilizer coating oil heating and spraying device

Abstract

The utility model discloses a compound fertilizer coating oil heating and spraying device which comprises a heating cylinder, a plurality of groups of heating plates are uniformly arranged in the heating cylinder, heat exchange pipes are wound among the plurality of groups of heating plates in a snakelike mode, one end of each heating pipe extends outwards to be provided with an oil inlet pipe, the other end of each heating pipe is provided with an oil outlet pipe, and the tail end of each oil outlet pipe is connected with a filter box. An intercepting filter screen is arranged in the filter box, a scraping plate is arranged at the oil inlet end of the intercepting filter screen, a lifting driving structure is arranged in cooperation with the scraping plate, a deslagging structure is arranged at the bottom end of the filter box in cooperation with the intercepting filter screen, an oil conveying pipe is arranged at the output end of the filter box, an oil spraying box is arranged at the tail end of the oil conveying pipe, and an impeller is rotationally installed in the oil spraying box; according to the oil liquid heating device, the uniformity of oil liquid heating can be improved, meanwhile, oil liquid filtering can be achieved, and the uniformity and fineness of oil liquid spraying can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer processing, and more specifically, to a compound fertilizer coating oil heating and spraying device. Background Art

[0002] In the production process of granular compound fertilizer, in order to prevent the compound fertilizer particles from sticking to each other, it is necessary to coat the surface of the formed particles with coating oil such as waste oil, animal and vegetable oil. This process is completed by using a coating oil spraying device to spray coating oil onto the compound fertilizer particles in the rotary drum granulation cylinder.

[0003] In the prior art, the heating and spraying device for coating oil of compound fertilizer cannot filter the oil when heating and spraying the coating oil, so that when the oil is sprayed out, the oil injection port is easily blocked, affecting the smoothness of the oil injection.

[0004] In addition, the existing compound fertilizer coating oil heating and spraying device has poor fineness when spraying the oil, so that the oil has poor uniformity when covering the surface of the compound fertilizer, which affects the coating effect of the compound fertilizer. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the problems existing in the prior art, the utility model provides a compound fertilizer coating oil heating and spraying device to solve the technical problems mentioned in the background technology that the compound fertilizer coating oil heating and spraying device in the prior art is easy to be clogged and has poor spraying fineness and uniformity.

[0007] (II) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A compound fertilizer coated oil heating injection device comprises a heating cylinder, wherein a plurality of heating plates are evenly arranged in the heating cylinder, a heat exchange tube is serpentinely arranged between the plurality of heating plates, an oil inlet pipe is extended outwardly from one end of the heating tube, an oil outlet pipe is arranged at the other end, a filter box is connected to the tail end of the oil outlet pipe, an interception filter is arranged in the filter box, a scraper is arranged at the oil inlet end of the interception filter, and a lifting drive structure is arranged in conjunction with the scraper, a slag discharge structure is arranged in conjunction with the interception filter at the bottom end of the filter box, an oil delivery pipe is arranged at the output end of the filter box, an oil injection box is arranged at the tail end of the oil delivery pipe, an impeller is rotatably installed inside the oil injection box, and a rotation drive structure is arranged in conjunction with the impeller, a honeycomb mesh plate is arranged above the impeller, and an atomizing mesh is arranged at the bottom.

[0010] The utility model is further configured such that a mounting frame is provided at the bottom end of the oil spray box, the atomizing mesh is installed on the mounting frame, a mounting shaft is rotatably installed on the mounting frame through a bearing, and the impeller is arranged on the mounting shaft. The stable installation of the impeller can be achieved through the cooperation of the mounting frame and the mounting shaft.

[0011] The utility model is further configured such that the rotation drive structure includes a drive shaft rotatably mounted on the oil injection box through a bearing, and a first motor is provided in transmission connection with the drive shaft, a driving gear is provided at the bottom end of the drive shaft, and a driven gear is provided on the mounting shaft that meshes with the driving gear, and the rotation drive of the impeller can be realized through the cooperation among the first motor, the drive shaft, the driving gear and the driven gear.

[0012] The utility model is further configured such that the lifting drive structure includes a driving rod rotatably installed in the filter box through a bearing, a second motor is provided at the top end of the scraper extending to the outside of the filter box, the scraper threaded sleeve is provided on the driving rod, and a movable limiting structure is provided in the filter box to cooperate with the scraper, and the lifting and lowering adjustment of the scraper in the filter box can be controlled by the cooperation of the second motor and the driving rod.

[0013] The utility model is further configured that the movable limiting structure comprises a limiting column arranged in the filter box, the scraper is slidably sleeved on the limiting column, and the movable limiting of the scraper can be achieved through the limiting column.

[0014] The utility model is further configured such that the slag discharge structure comprises a slag discharge pipe which is arranged at the bottom end of the filter box in cooperation with the interception filter screen, and a valve is arranged on the slag discharge pipe. The impurities in the filter box can be discharged through the arrangement of the slag discharge pipe and the valve.

[0015] The utility model is further configured such that the oil pipeline and the oil outlet pipe are both provided with fixing flanges, the filter box is provided with a connecting flange, and locking bolts are provided between the fixing flange and the connecting flange. Through the cooperation of the connecting flange, the fixing flange and the locking bolts, the filter box can be detachably connected between the oil outlet pipe and the oil pipeline.

[0016] The utility model is further configured that a sealing gasket is arranged between the connecting flange and the fixing flange to improve the sealing connection between the connecting flange and the fixing flange.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a compound fertilizer coating oil heating and spraying device, which has the following beneficial effects:

[0019] 1. The utility model includes a heating cylinder, in which a plurality of heating plates are evenly arranged, and a heat exchange tube is serpentinely wound between the plurality of heating plates. An oil inlet pipe is extended outwardly from one end of the heating tube, and an oil outlet pipe is arranged at the other end. In this way, the oil is transported to the heat exchange tube through the oil inlet pipe, and heat is exchanged with the heat exchange tube through the heating plate, so that the oil in the heat exchange tube can be heated. The serpentine winding arrangement can increase the contact area between the heat exchange tube and the heating plate, thereby improving the heating effect of the oil in the heat exchange tube.

[0020] 2. In the utility model, the tail end of the oil outlet pipe is connected with a filter box, an interception filter is arranged in the filter box, a scraper is arranged at the oil inlet end of the interception filter, and a lifting drive structure is arranged in conjunction with the scraper, and a slag discharge structure is arranged in conjunction with the interception filter at the bottom end of the filter box. The setting of the filter box can realize the filtration of the oil before it is sprayed through the oil injection box. During this process, the interception filter will intercept impurities in the oil, which can improve the cleanliness of the oil when it is sprayed out. During this process, the lifting and lowering of the scraper can be controlled by the lifting and lowering drive structure. The surface of the interception filter can be scraped and cleaned by lifting the scraper, thereby ensuring the filtering effect of the inside of the filter box on the oil, and the impurities intercepted in the filter box can be discharged outwardly through the slag discharge structure.

[0021] 3. In the utility model, an oil pipe is provided at the output end of the filter box, and an oil spray box is provided at the tail end of the oil pipe. An impeller is rotatably installed inside the oil spray box, and a rotation driving structure is provided in conjunction with the impeller. A honeycomb mesh plate is provided above the impeller, and an atomizing mesh is provided at the bottom. When the oil is sprayed out in the oil spray box, it will pass through the honeycomb mesh plate, the impeller and the atomizing mesh in sequence, wherein the honeycomb mesh plate can perform preliminary cutting on the oil, and then, the rotation cutting of the oil can be achieved by controlling the rotation of the impeller, thereby improving the fineness of the oil when it is sprayed, and further improving the fineness of the oil when it passes through the atomizing mesh. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The overall structure of a compound fertilizer coating oil heating and spraying device in the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The overall structure of a compound fertilizer coating oil heating and spraying device in the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 It is a cross-sectional schematic diagram of the internal structure of the fuel injection box in the utility model;

[0025] Figure 4 It is a cross-sectional schematic diagram of the internal structure of the filter box in the utility model;

[0026] Figure 5It is a schematic cross-sectional view of the internal structure of the heating cylinder in the utility model.

[0027] In the figure: 1. heating cylinder; 2. heating plate; 3. heat exchange tube; 4. oil inlet pipe; 5. oil outlet pipe; 6. filter box; 7. interception filter; 8. scraper; 9. oil pipeline; 10. oil spray box; 11. impeller; 12. honeycomb mesh; 13. atomizing mesh; 14. mounting frame; 15. mounting shaft; 16. driving shaft; 17. first motor; 18. driving gear; 19. driven gear; 20. driving rod; 21. second motor; 22. limiting column; 23. slag discharge pipe; 24. valve; 25. fixing flange; 26. connecting flange; 27. locking bolt; 28. sealing gasket. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0030] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0031] See also Figure 1-5 A compound fertilizer coated oil heating injection device comprises a heating cylinder 1, in which a plurality of heating plates 2 are evenly arranged, and a heat exchange tube 3 is serpentinely arranged between the plurality of heating plates 2. An oil inlet pipe 4 is extended outwardly from one end of the heating tube, and an oil outlet pipe 5 is arranged at the other end. In this way, the oil is transported to the heat exchange tube 3 through the oil inlet pipe 4, and heat can be exchanged with the heat exchange tube 3 through the heating plate 2, so that the oil in the heat exchange tube 3 can be heated. The serpentine winding arrangement can increase the contact area between the heat exchange tube 3 and the heating plate 2, thereby improving the heating effect of the oil in the heat exchange tube 3.

[0032] In the utility model, the tail end of the oil outlet pipe 5 is connected to a filter box 6, an intercepting filter screen 7 is arranged in the filter box 6, a scraper 8 is arranged at the oil inlet end of the intercepting filter screen 7, and a lifting drive structure is arranged in conjunction with the scraper 8. The bottom end of the filter box 6 is provided with a slag discharge structure in conjunction with the intercepting filter screen 7. The setting of the filter box 6 can realize the filtration of the oil before it is sprayed through the oil injection box 10. During this process, the intercepting filter screen 7 will intercept impurities in the oil, which can improve the cleanliness of the oil when it is sprayed. During this process, the lifting and lowering of the scraper 8 can be controlled by the lifting and lowering drive structure. The lifting and lowering of the scraper 8 can realize the surface scraping and cleaning of the intercepting filter screen 7, thereby ensuring the filtering effect of the filter box 6 on the oil, and the impurities intercepted in the filter box 6 can be discharged outwardly through the slag discharge structure.

[0033] In the utility model, an oil pipe 9 is provided at the output end of the filter box 6, and an oil spray box 10 is provided at the tail end of the oil pipe 9. An impeller 11 is rotatably installed inside the oil spray box 10, and a rotation driving structure is provided in conjunction with the impeller 11. A honeycomb mesh plate 12 is provided above the impeller 11, and an atomizing mesh 13 is provided at the bottom. When the oil is sprayed out of the oil spray box 10, it will pass through the honeycomb mesh plate 12, the impeller 11 and the atomizing mesh 13 in sequence, wherein the honeycomb mesh plate 12 can perform preliminary cutting on the oil, and then, the rotation cutting of the oil can be achieved by controlling the rotation of the impeller 11, thereby improving the fineness of the oil when it is sprayed, and further improving the fineness of the oil when it passes through the atomizing mesh 13.

[0034] See also Figure 1-Figure 5 As an implementation of the impeller 11: a mounting frame 14 is provided at the bottom end of the spray box 10, the atomizing mesh 13 is installed on the mounting frame 14, a mounting shaft 15 is rotatably installed on the mounting frame 14 through a bearing, the impeller 11 is arranged on the mounting shaft 15, and the rotation driving structure includes a driving shaft 16 rotatably installed on the spray box 10 through a bearing, and a first motor 17 is provided in transmission connection with the driving shaft 16, a driving gear 18 is provided at the bottom end of the driving shaft 16, and a driven gear 19 is provided on the mounting shaft 15 to mesh with the driving gear 18.

[0035] Specifically, the first motor 17 is started, and the driving shaft 16 can be controlled by the first motor 17 to drive the driving gear 18 to rotate. The mounting shaft 15 can be driven to rotate by the meshing of the driving gear 18 and the driven gear 19. The impeller 11 can be controlled to rotate by the rotating drive of the mounting shaft 15, thereby achieving cutting when the oil flows through and improving the fineness of the oil when it is sprayed.

[0036] See also Figure 1-Figure 5As an implementation of the lifting drive structure: the lifting drive structure includes a driving rod 20 rotatably installed in the filter box 6 through a bearing, the top end of the scraper 8 extends to the outside of the filter box 6 and is provided with a second motor 21, the scraper 8 is threadedly sleeved on the driving rod 20, and a movable limiting structure is provided in the filter box 6 to cooperate with the scraper 8, the movable limiting structure includes a limiting column 22 arranged in the filter box 6, and the scraper 8 is slidably sleeved on the limiting column 22.

[0037] Specifically, the second motor 21 is rotated, and the driving rod 20 can be driven to rotate through the second motor 21. The lifting and lowering drive of the scraper 8 in the filter box 6 can be controlled through the threaded matching relationship between the driving rod 20 and the scraper 8 and the sliding limiting relationship between the scraper 8 and the limiting column 22. The movement of the scraper 8 can achieve scraping and cleaning of the surface of the interception filter 7.

[0038] See also Figure 1-Figure 5 As an implementation method of the slag discharge structure: the slag discharge structure includes a slag discharge pipe 23 arranged at the bottom end of the filter box 6 in cooperation with the interception filter 7, and a valve 24 is arranged on the slag discharge pipe 23.

[0039] Specifically, the valve 24 is opened to open the slag discharge pipe 23 , thereby allowing the impurities trapped in the filter box 6 to be discharged, thereby improving the cleanliness of the filter box 6 .

[0040] See also Figure 1-Figure 5 As an implementation of the filter box 6: a fixing flange 25 is provided on the oil delivery pipe 9 and the oil outlet pipe 5, a connecting flange 26 is provided on the filter box 6, a locking bolt 27 is provided between the fixing flange 25 and the connecting flange 26, and a sealing gasket 28 is provided between the connecting flange 26 and the fixing flange 25.

[0041] Specifically, the filter box 6 can be detachably connected between the oil outlet pipe 5 and the oil delivery pipe 9 through the cooperation of the connecting flange 26, the fixing flange 25 and the locking bolts 27. The setting of the sealing gasket 28 can improve the connection sealing between the connecting flange 26 and the fixing flange 25.

[0042] In summary, when the overall equipment is in use:

[0043] The oil is transported to the heat exchange tube 3 through the oil inlet pipe 4, and can exchange heat with the heat exchange tube 3 through the heating plate 2, so that the oil in the heat exchange tube 3 can be heated. The serpentine winding arrangement can increase the contact area and contact time between the heat exchange tube 3 and the heating plate 2, thereby improving the heating effect of the oil in the heat exchange tube 3.

[0044] The oil heated by the heating cylinder 1 will be transported to the filter box 6 through the oil outlet pipe 5. The filter box 6 can filter the oil before it is sprayed through the spray box 10. During this process, the interception filter 7 will intercept impurities in the oil, thereby improving the cleanliness of the oil when it is sprayed.

[0045] The filtered oil will be transported to the oil spray box 10 through the oil delivery pipe 9. When the oil is sprayed out of the oil spray box 10, it will pass through the honeycomb mesh plate 12, the impeller 11 and the atomizing mesh 13 in sequence, wherein the honeycomb mesh plate 12 can perform preliminary cutting on the oil, and then the rotation of the impeller 11 can be controlled to achieve the rotational cutting of the oil, thereby improving the fineness of the oil when it is sprayed out, and then the fineness of the oil when it passes through the atomizing mesh 13 can be further improved;

[0046] During this process, the first motor 17 is started, and the driving shaft 16 can be controlled by the first motor 17 to drive the driving gear 18 to rotate. The driving gear 18 and the driven gear 19 can be meshed to realize the rotation drive of the installation shaft 15. The rotation drive of the installation shaft 15 can control the rotation drive of the impeller 11, thereby realizing the cutting when the oil flows through, and improving the fineness of the oil when it is sprayed;

[0047] During this process, when it is necessary to clean the impurities intercepted in the filter box 6, the second motor 21 is rotated, and the second motor 21 can drive the driving rod 20 to rotate. The lifting and lowering drive of the scraper 8 in the filter box 6 can be controlled by the threaded matching relationship between the driving rod 20 and the scraper 8 and the sliding limit relationship between the scraper 8 and the limit column 22. The movement of the scraper 8 can achieve scraping and cleaning of the surface of the interception filter 7;

[0048] The valve 24 is opened to open the slag discharge pipe 23 , thereby allowing the impurities trapped in the filter box 6 to be discharged, thereby improving the cleanliness of the filter box 6 .

[0049] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A compound fertilizer coating oil heating and spraying device, comprising a heating cylinder (1), characterized in that: A plurality of groups of heating plates (2) are evenly arranged in the heating cylinder (1), a heat exchange tube (3) is serpentinely arranged between the plurality of groups of heating plates (2), one end of the heat exchange tube is provided with an oil inlet pipe (4) extending outward, and the other end is provided with an oil outlet pipe (5), the tail end of the oil outlet pipe (5) is connected to a filter box (6), an interception filter screen (7) is arranged in the filter box (6), a scraper (8) is arranged at the oil inlet end of the interception filter screen (7), and a lifting plate (8) is provided in conjunction with the scraper (8). The filter box (6) has a slag discharge structure at its bottom end in cooperation with the interception filter (7); an oil delivery pipe (9) is provided at the output end of the filter box (6); an oil spray box (10) is provided at the tail end of the oil delivery pipe (9); an impeller (11) is rotatably mounted inside the oil spray box (10) and a rotation drive structure is provided in cooperation with the impeller (11); a honeycomb mesh plate (12) is provided above the impeller (11), and an atomizing mesh (13) is provided at the bottom end.

2. The compound fertilizer coating oil heating and spraying device according to claim 1 is characterized in that: A mounting frame (14) is provided at the bottom end of the oil spray box (10), the atomizing mesh (13) is mounted on the mounting frame (14), a mounting shaft (15) is rotatably mounted on the mounting frame (14) via a bearing, and the impeller (11) is arranged on the mounting shaft (15).

3. The compound fertilizer coating oil heating and spraying device according to claim 2 is characterized in that: The rotation driving structure comprises a driving shaft (16) rotatably mounted on the oil spray box (10) via a bearing, and a first motor (17) is provided in transmission connection with the driving shaft (16), a driving gear (18) is provided at the bottom end of the driving shaft (16), and a driven gear (19) is provided on the mounting shaft (15) and meshes with the driving gear (18).

4. The compound fertilizer coating oil heating and spraying device according to claim 1 is characterized in that: The lifting drive structure comprises a driving rod (20) rotatably mounted in the filter box (6) via a bearing, a second motor (21) is arranged at the top end of the scraper (8) extending to the outside of the filter box (6), the scraper (8) is threadedly sleeved on the driving rod (20), and a movable limiting structure is arranged in the filter box (6) to cooperate with the scraper (8).

5. The compound fertilizer coating oil heating and spraying device according to claim 4 is characterized in that: The movable limiting structure comprises a limiting column (22) arranged in the filter box (6), and the scraper (8) is slidably sleeved on the limiting column (22).

6. A compound fertilizer coating oil heating and spraying device according to any one of claims 1 to 5, characterized in that: The slag discharge structure comprises a slag discharge pipe (23) arranged at the bottom end of the filter box (6) in cooperation with the interception filter screen (7), and a valve (24) is arranged on the slag discharge pipe (23).

7. The compound fertilizer coating oil heating and spraying device according to claim 1 is characterized in that: The oil delivery pipe (9) and the oil outlet pipe (5) are both provided with a fixing flange (25), the filter box (6) is provided with a connecting flange (26), and a locking bolt (27) is provided between the fixing flange (25) and the connecting flange (26).

8. The compound fertilizer coating oil heating and spraying device according to claim 7 is characterized in that: A sealing gasket (28) is provided between the connecting flange (26) and the fixing flange (25).

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