Fluidized bed device for producing calcium magnesium nitrate

Abstract

The utility model relates to the technical field of calcium magnesium nitrate production, in particular to a fluidized bed device for calcium magnesium nitrate production, which comprises a bottom plate, the lower end of a blanking box is fixedly connected with a shell, and a reciprocating mechanism is arranged in the shell. According to the fluidized bed device for calcium magnesium nitrate production, through cooperation of the vibration mechanism and the drying box, the vibration mechanism drives the drying box to move to generate vibration, compared with the mode that a vibration motor is directly placed in the drying box, damage to the motor due to overheating can be reduced, and then the maintenance cost and the production cost are reduced; through cooperation of the reciprocating mechanism and the discharging box, intermittent discharging can be achieved while the inner wall of the discharging box is cleaned through cooperation of the discharging box and the reciprocating mechanism, fertilizer feeding is achieved, and meanwhile the inner wall of the discharging box is provided with a scraping plate which can clean the inner wall of the discharging box, so that fertilizer adhesion is reduced; therefore, the workload of workers is reduced, the working time is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium nitrate and magnesium production, in particular to a fluidized bed device for calcium nitrate and magnesium production. Background Art

[0002] The main function of the fluidized bed is to put solid particles into a suspended motion state through gas or liquid, thereby carrying out gas-solid or liquid-solid phase reaction processes.

[0003] For example, a fluidized bed device for producing calcium magnesium nitrate with the announcement number "CN220038908U" is provided. By setting a discharge pipe and a negative pressure pump, the screw conveyor is powered on to operate, thereby facilitating the transportation of fertilizer to the interior of the bellows and entering the top of a guide plate. By setting three guide plates and three vibration motors, the three vibration motors are powered on to operate, respectively driving the three guide plates to vibrate, so that the fertilizer becomes dispersed and the fertilizer jumps forward along the top of the three guide plates. The hot air blower is powered on to allow hot air to enter the interior of the bellows, increasing the contact area with the fertilizer, thereby facilitating the drying process of the fertilizer and improving the drying efficiency, thereby effectively solving the problems existing in the prior art. However, the fluidized bed device for producing calcium nitrate and magnesium uses three vibration motors to vibrate the guide plate, but the vibration motor is inside the bellows. The high temperature inside the bellows can easily damage the vibration motor, thereby increasing maintenance costs and thus increasing production costs. At the same time, the fluidized bed device for producing calcium nitrate and magnesium uses a screw conveyor to transport fertilizer into the bellows. The fertilizer is easily retained in the screw conveyor. The spiral structure inside the screw conveyor makes it difficult to clean the retained fertilizer, which consumes the time of the staff and reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the fluidized bed device for producing calcium nitrate and magnesium nitrate is used to vibrate the guide plate by three vibration motors, but the vibration motor is inside the bellows, and the temperature inside the bellows is too high, which can easily damage the vibration motor, thereby increasing the maintenance cost and thus increasing the production cost; at the same time, the fluidized bed device for producing calcium nitrate and magnesium nitrate is used to transport fertilizer into the bellows by a screw conveyor, and the fertilizer is easily retained in the screw conveyor. The spiral structure inside the screw conveyor makes it difficult to clean the retained fertilizer, which consumes the time of the staff and thus reduces the work efficiency. A fluidized bed device for producing calcium nitrate and magnesium nitrate is proposed.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A fluidized bed device for producing calcium nitrate and magnesium is designed, comprising a base plate, a vibration mechanism is provided above the base plate, a hot air blower is fixedly connected to the middle of the upper end of the base plate, the output end of the hot air blower is fixedly connected to a drying box, a filter is installed on the inner wall of the drying box, a feed pipe is fixedly connected to the left inner wall of the drying box, the inner wall of the feed pipe is slidably connected to a first discharge pipe, the first discharge pipe is fixedly connected to a discharge box, the lower end of the discharge box is fixedly connected to an outer shell, and a reciprocating mechanism is provided inside the outer shell.

[0007] Preferably, the upper end of the discharge box is fixedly connected to a first motor, the output shaft of the first motor is fixedly connected to a scraper, the outer wall of the scraper fits against the inner wall of the discharge box, the upper inner wall of the discharge box is fixedly connected to the second discharge pipe, and a negative pressure pump is installed on the outer wall of the second discharge pipe.

[0008] Preferably, the vibration mechanism includes a second motor and multiple springs, the output shaft of the second motor is rotatably connected to a vertical plate through a bearing, the output shaft of the second motor is fixedly connected to a convex plate, the rotating shaft of the convex plate is rotatably connected to another vertical plate through a bearing, the upper ends of the two vertical plates are fixedly connected to the drying box, the outer wall of the convex plate is fit with the bottom plate, the inner walls of the multiple springs are all sleeved with support rods, and the upper ends of the support rods are all fixedly connected to the drying box.

[0009] Preferably, the outer wall of the lower end of the support rod is slidably connected to the bottom plate, and both ends of the plurality of springs are fixedly connected to the drying box and the bottom plate respectively.

[0010] Preferably, the inner wall of the second discharge pipe is fixedly connected to the fluidized bed, a distribution plate is installed on the inner wall of the fluidized bed, a support plate is fixedly connected to the left side of the base plate, the outer walls of the support plate are respectively fixedly connected to the fluidized bed and the air pump, and the right side of the outer wall of the support plate is fixedly connected to the discharge box.

[0011] Preferably, the reciprocating mechanism includes a third motor, the rotating shaft of the third motor is rotatably connected to the outer shell through a bearing, the output shaft of the third motor is fixedly connected to a disc, the outer wall of the disc is movably connected to the connecting rod through a pin, the end of the connecting rod is movably connected to the baffle through a pin, and the outer wall of the baffle is slidably connected to the limit plate processed on the outer shell.

[0012] Preferably, the outer wall of the third motor is fixedly connected to the outer shell, and the outer wall of the baffle is slidably connected to the first discharge pipe.

[0013] The utility model proposes a fluidized bed device for producing calcium nitrate and magnesium, which has the following beneficial effects: through the cooperation of the vibration mechanism and the drying box, the output shaft of the second motor rotates to drive the convex plate to rotate, and when the convex plate rotates, when it enters the vertical state from the horizontal state, it will move upward along the curvature of the convex plate because it fits with the bottom plate, and the rotation of the convex plate drives the vertical plate to move upward, and the upward movement of the vertical plate drives the drying box to move upward, and the upward movement of the drying box drives the vertical movement limited by the support rod and causes the spring to stretch, and when the convex plate rotates from the vertical state to the horizontal state, the drying box moves downward due to the spring rebound and gravity, and the continuous rotation of the convex plate can make the drying box move up and down continuously, thereby causing the fertilizer on the filter screen in the drying box to move, and by driving the drying box to move and generate vibration by the vibration mechanism, the damage of the motor due to overheating can be reduced compared to putting the vibration motor directly into the drying box, thereby reducing maintenance costs and reducing production costs.

[0014] Through the cooperation of the reciprocating mechanism and the discharge box, the output shaft of the first motor rotates to drive the scraper to rotate, thereby cleaning the inner wall of the discharge box to reduce fertilizer adhesion and thus reduce fertilizer waste. Then the third motor is started, and the output shaft of the third motor rotates to drive the disc to rotate. The rotation of the disc drives the connecting rod to rotate and then drives the baffle to move horizontally along the limit plate processed in the shell. The continuous rotation of the disc drives the connecting rod to move following the pin on the disc. When the pin on the disc is in a horizontal state on the left side, the connecting rod moves to the maximum distance to the left, thereby driving the baffle to fit with the first discharge pipe. The baffle can prevent the fertilizer in the discharge box from flowing downward. When the pin on the disc is in a horizontal state on the right side In the state, the connecting rod moves to the right to the maximum distance, thereby driving the baffle to move to the right and disengaging from the inner wall of the first discharge pipe, allowing the fertilizer to fall. The output shaft of the third motor rotates continuously to drive the baffle to continuously reciprocate, so that the fertilizer can enter the drying box through the feed pipe in waves to prevent too much entering at one time and causing low drying efficiency. Through the cooperation of the discharge box and the reciprocating mechanism, the inner wall of the discharge box can be cleaned and intermittent discharge can be achieved to realize the feeding of fertilizer. At the same time, the inner wall of the discharge box is provided with a scraper to clean the inner wall of the discharge box, thereby reducing the adhesion of the fertilizer, thereby reducing the workload of the staff, saving working time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 Front cross-sectional view of

[0017] Figure 3 It is a top sectional view of the blanking box;

[0018] Figure 4 for Figure 1 A partial right side sectional view of the middle vibration mechanism;

[0019] Figure 5 for Figure 2 Schematic diagram of the structure of part A;

[0020] Figure 6 for Figure 2 Schematic diagram of the structure of part B.

[0021] In the figure: 1. bottom plate, 2. vibration mechanism, 201. second motor, 202. convex plate, 203. vertical plate, 204. support rod, 205. spring, 3. drying box, 4. filter screen, 5. shell, 6. reciprocating mechanism, 601. third motor, 602. disc, 603. connecting rod, 604. baffle, 7. first discharge pipe, 8. feed pipe, 9. hot air blower, 10. air pump, 11. discharge box, 12. scraper, 13. first motor, 14. negative pressure pump, 15. second discharge pipe, 16. fluidized bed, 17. support plate, 18. distribution plate. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings:

[0023] Refer to the attached Figure 1-6 :

[0024] In the present embodiment, a fluidized bed device for producing calcium nitrate and magnesium nitrate comprises a base plate 1, a vibration mechanism 2 is provided above the base plate 1, a hot air blower 9 is fixedly connected to the middle part of the upper end of the base plate 1, and the output end of the hot air blower 9 is fixedly connected to the drying box 3, and the inner wall of the drying box 3 is installed with a filter screen 4, which is a fine filter screen that can prevent materials from falling and can allow hot air to contact fertilizers. A feed pipe 8 is fixedly connected to the inner wall of the left side of the drying box 3, and the inner wall of the feed pipe 8 is slidably connected to the first discharge pipe 7. The first discharge pipe 7 is fixedly connected to the discharge box 11, and the lower end of the discharge box 11 is fixedly connected to the outer shell 5. A reciprocating mechanism 6 is provided inside the outer shell 5. The upper end of the discharge box 11 is fixedly connected to the first motor 13, and the output shaft of the first motor 13 is fixedly connected to the scraper 12. The outer wall of the scraper 12 is in contact with the inner wall of the discharge box 11, and the output shaft of the first motor 13 rotates to drive the scraper 12 to rotate, thereby cleaning the inner wall of the discharge box 11;

[0025] The inner wall of the upper end of the discharge box 11 is fixedly connected to the second discharge pipe 15, and the outer wall of the second discharge pipe 15 is installed with a negative pressure pump 14. The inner wall of the second discharge pipe 15 is fixedly connected to the fluidized bed 16, and the inner wall of the fluidized bed 16 is installed with a distribution plate 18. In this case, the fluidized bed 16 includes the negative pressure pump 14, the distribution plate 16 and the air pump 10. The working mode is the same as the fluidized bed, negative pressure pump, distribution plate and hot air blower in a fluidized bed device for calcium nitrate and magnesium production with the announcement number "CN220038908U". The left side of the bottom plate 1 is fixedly connected to the support plate 17, and the outer walls of the support plate 17 are respectively fixedly connected to the fluidized bed 16 and the air pump 10. The right side of the outer wall of the support plate 17 is fixedly connected to the discharge box 11.

[0026] Refer to the attached Figure 1-2 and 4:

[0027] The vibration mechanism 2 includes a second motor 201 and a plurality of springs 205. The output shaft of the second motor 201 is rotatably connected to a vertical plate 203 through a bearing. The vertical plate 203 plays a supporting role. The output shaft of the second motor 201 is fixedly connected to a convex plate 202. The shape of the convex plate 202 is elliptical. The output shaft of the second motor 201 rotates to drive the convex plate 202 to rotate. The rotating shaft of the convex plate 202 is rotatably connected to another vertical plate 203 through a bearing. The upper ends of the two vertical plates 203 are fixedly connected to the drying box 3. The outer wall of the convex plate 202 fits with the bottom plate 1, and the rotation of the convex plate 202 drives the vertical plate 203 to move, thereby driving the drying box 3 to move. The inner walls of multiple springs 205 are all sleeved with support rods 204, and the upper ends of the support rods 204 are fixedly connected to the drying box 3. The outer wall of the lower end of the support rod 204 is slidably connected to the bottom plate 1. The support rod 204 limits the drying box 3 to make it move vertically. The two ends of multiple springs 205 are respectively fixedly connected to the drying box 3 and the bottom plate 1. The movement of the drying box 3 drives the springs 205 to stretch.

[0028] Refer to the attached Figure 1-2 and 6:

[0029] The reciprocating mechanism 6 includes a third motor 601, and the rotating shaft of the third motor 601 is rotatably connected to the outer shell 5 through a bearing. The output shaft of the third motor 601 is fixedly connected to the disc 602. The rotation of the output shaft of the third motor 601 drives the disc 602 to rotate. The outer wall of the disc 602 is movably connected to the connecting rod 603 through a pin shaft. The rotation of the disc 602 drives the connecting rod 603 to move. The end of the connecting rod 603 is movably connected to the baffle 604 through a pin shaft. The movement of the connecting rod 603 drives the baffle 604 to move. The outer wall of the baffle 604 is slidably connected to the limit plate processed by the outer shell 5. The baffle 604 is limited by the outer shell 5 and moves horizontally. The outer wall of the third motor 601 is fixedly connected to the outer shell 5. The outer wall of the baffle 604 is slidably connected to the first discharge pipe 7. The baffle 604 can intercept the fertilizer in the first discharge pipe 7.

[0030] Working principle:

[0031] When producing calcium magnesium nitrate through a fluidized bed device.

[0032] Processing process:

[0033] The working mode of the fluidized bed 16 is the same as that of the fluidized bed in a fluidized bed device for producing calcium nitrate and magnesium with the announcement number "CN220038908U". The valve of the feed port at the upper end of the fluidized bed 16 is opened to add the fine granular calcium nitrate and magnesium liquid into the interior of the fluidized bed 16 and then the valve is closed (as shown in FIG. Figure 2 ), then the air pump 10 is powered on to blow high-temperature air into the fluidized bed 16, and then the tiny granular calcium magnesium nitrate liquid is added into the fluidized bed 16. Under the action of the high-temperature air and its own gravity, it is kept suspended at a certain height on the top of the distribution plate 18 and gradually solidified into shape. The valve of the second discharge pipe 15 is opened, and the negative pressure pump 14 is powered on to operate, thereby causing the air inside the fluidized bed 1 to be simultaneously drawn into the second discharge pipe 15 together with the fertilizer. Since the opening of the second discharge pipe 15 is opened at a distance above the distribution plate 18, the liquid in the distribution plate 18 cannot enter the second discharge pipe 15. The negative pressure pump 14 only sucks the suspended fertilizer into the second discharge pipe 15. Due to gravity, the fertilizer enters the discharge box 11;

[0034] Then start the first motor 13 (such as Figure 2 ), the output shaft of the first motor 13 rotates to drive the scraper 12 to rotate, thereby cleaning the inner wall of the discharge box 11 to reduce fertilizer adhesion and thus reduce fertilizer waste. The scraper 12 can scrape off most of the fertilizer residue, and the remaining small part can be cleaned manually by the staff. Then start the third motor 601 (such as Figure 6 ), the output shaft of the third motor 601 rotates to drive the disc 602 to rotate, and the rotation of the disc 602 drives the connecting rod 603 to rotate and then drives the baffle 604 to move horizontally along the limit plate processed in the shell 5. The disc 602 rotates continuously to drive the connecting rod 603 to move following the pin on the disc 602. When the pin on the left side of the disc 602 is in a horizontal state, the connecting rod 603 moves to the left to the maximum distance, thereby driving the baffle 604 to fit with the first discharge pipe 7, and the baffle 604 can prevent the fertilizer in the discharge box 11 from flowing downward. When the pin on the right side of the disc 602 is in a horizontal state, the connecting rod 603 moves to the right to the maximum distance, thereby driving the baffle 604 to move to the right and separate from the inner wall of the first discharge pipe 7 to allow the fertilizer to fall. The output shaft of the third motor 601 rotates continuously to drive the baffle 604 to move back and forth continuously, so that the fertilizer can enter the drying box 3 through the feeding pipe 8 in waves to prevent too much from entering at one time, resulting in low drying efficiency;

[0035] At the same time, the second motor 201 is started (eg Figure 2), the output shaft of the second motor 21 rotates to drive the convex plate 202 to rotate. When the convex plate 202 rotates, when it enters the vertical state from the horizontal state, it will move upward along the curvature of the convex plate 202 because it fits with the bottom plate 1. The rotation of the convex plate 202 drives the vertical plate 203 to move upward. The upward movement of the vertical plate 203 drives the drying box 3 to move upward. The upward movement of the drying box 3 drives the vertical movement limited by the support rod 204 and causes the spring 205 to stretch. When the convex plate 202 rotates from the vertical state to the horizontal state, the drying box 3 moves downward due to the rebound of the spring 205 and gravity. The continuous rotation of the convex plate 202 can make the drying box 3 move up and down continuously, thereby causing the fertilizer on the filter screen 4 in the drying box 3 to move;

[0036] Then start the hot air blower 9 (such as Figure 2 ), the output end of the hot air blower 9 is connected to the drying box 3 through a bellows, so that when the drying box 3 moves up and down, the hot air blower 9 can also provide hot air to the drying box 3. When the drying box 3 moves up and down, the feed pipe 8 and the first discharge pipe 7 are slidably connected up and down so that the first discharge pipe 7 can accurately transport the fertilizer into the drying box 3. The hot air generated by the hot air blower 9 can dry the fertilizer in the drying box 3. The filter screen 4 is a fine filter screen that can prevent the fertilizer from falling into the drying box 3 while allowing the hot air to dry the fertilizer. As the drying box 3 continues to vibrate, the fertilizer will be dispersed and discharged from the right side discharge port of the drying box 3 along the slope of the filter screen 4. The staff can place a collection box underneath it for collection, thereby realizing the continuous processing required for the production of calcium nitrate and magnesium. Repeat the above operations.

[0037] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A fluidized bed device for producing calcium nitrate and magnesium nitrate, comprising a bottom plate (1), characterized in that: The vibration mechanism (2) is provided above the bottom plate (1), a hot air blower (9) is fixedly connected to the middle of the upper end of the bottom plate (1), the output end of the hot air blower (9) is fixedly connected to the drying box (3), the inner wall of the drying box (3) is installed with a filter (4), the left inner wall of the drying box (3) is fixedly connected to a feed pipe (8), the inner wall of the feed pipe (8) is slidably connected to the first discharge pipe (7), the first discharge pipe (7) is fixedly connected to the discharge box (11), the lower end of the discharge box (11) is fixedly connected to the outer shell (5), and the interior of the outer shell (5) is provided with a reciprocating mechanism (6).

2. The fluidized bed device for producing calcium nitrate and magnesium according to claim 1, wherein: The upper end of the discharge box (11) is fixedly connected to a first motor (13), the output shaft of the first motor (13) is fixedly connected to a scraper (12), the outer wall of the scraper (12) is in contact with the inner wall of the discharge box (11), the inner wall of the upper end of the discharge box (11) is fixedly connected to a second discharge pipe (15), and a negative pressure pump (14) is installed on the outer wall of the second discharge pipe (15).

3. The fluidized bed device for producing calcium nitrate and magnesium according to claim 1, wherein: The vibration mechanism (2) comprises a second motor (201) and a spring (205); the output shaft of the second motor (201) is rotatably connected to a vertical plate (203) via a bearing; the output shaft of the second motor (201) is fixedly connected to a convex plate (202); the rotation shaft of the convex plate (202) is rotatably connected to another vertical plate (203) via a bearing; the upper ends of the two vertical plates (203) are fixedly connected to the drying box (3); the outer wall of the convex plate (202) is in contact with the bottom plate (1); the inner walls of the plurality of springs (205) are sleeved with support rods (204); and the upper ends of the support rods (204) are fixedly connected to the drying box (3).

4. The fluidized bed device for producing calcium nitrate and magnesium according to claim 3, wherein: The outer wall of the lower end of the support rod (204) is slidably connected to the bottom plate (1), and the two ends of the plurality of springs (205) are fixedly connected to the drying box (3) and the bottom plate (1), respectively.

5. The fluidized bed device for producing calcium nitrate and magnesium according to claim 2, wherein: The inner wall of the second discharge pipe (15) is fixedly connected to the fluidized bed (16), and a distribution plate (18) is installed on the inner wall of the fluidized bed (16). The left side of the bottom plate (1) is fixedly connected to a support plate (17), and the outer wall of the support plate (17) is fixedly connected to the fluidized bed (16) and the air pump (10), respectively. The right side of the outer wall of the support plate (17) is fixedly connected to a discharge box (11).

6. The fluidized bed device for producing calcium nitrate and magnesium according to claim 1, wherein: The reciprocating mechanism (6) includes a third motor (601), the rotating shaft of the third motor (601) is rotatably connected to the housing (5) through a bearing, the output shaft of the third motor (601) is fixedly connected to a disk (602), the outer wall of the disk (602) is movably connected to a connecting rod (603) through a pin, the end of the connecting rod (603) is movably connected to a baffle (604) through a pin, and the outer wall of the baffle (604) is slidably connected to a limit plate processed on the housing (5).

7. The fluidized bed device for producing calcium nitrate and magnesium according to claim 6, wherein: The outer wall of the third motor (601) is fixedly connected to the housing (5), and the outer wall of the baffle (604) is slidably connected to the first discharge pipe (7).

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