Crystal transformation phosphogypsum steam curing and drying integrated reaction kettle

Abstract

The utility model provides a crystal transformation phosphogypsum steam curing and drying integrated reaction kettle. The crystal transformation ardealite steam curing and drying integrated reaction kettle comprises a reaction kettle body used for performing steam curing and drying on crystal transformation ardealite, and a sealing door is arranged on the reaction kettle body; the placing screen frame is arranged in the reaction kettle body, and the placing screen frame is used for placing phosphogypsum; the steam pipe is fixedly arranged in the reaction kettle body, and the steam pipe is used for introducing steam into the reaction kettle body to carry out steam curing operation on the phosphogypsum. The crystal transformation ardealite steam curing and drying integrated reaction kettle provided by the utility model can be used for performing steam curing and drying operation on ardealite, and meanwhile, hot steam and hot gas can be uniformly circulated up and down in the steam curing and drying process, so that the ardealite can be uniformly heated, the ardealite steam curing and drying effects are improved, and the production efficiency is improved. Further, the processing quality of the crystal transformation phosphogypsum is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crystallized phosphogypsum processing, in particular to a crystallized phosphogypsum steaming, curing and drying integrated reaction kettle. Background Art

[0002] Transcrystallized phosphogypsum refers to the process of converting phosphogypsum into a phosphogypsum material with a specific crystal form (such as α-type) through specific process conditions and technical means.

[0003] In the process of processing trans-crystallized phosphogypsum, it is necessary to steam and dry the pressed phosphogypsum blocks, so the corresponding trans-crystallized phosphogypsum steaming and drying integrated reactor will be used. However, some existing trans-crystallized phosphogypsum steaming and drying integrated reactors still have certain shortcomings in actual use. When the phosphogypsum is steamed and heated and dried with hot steam, the hot steam and hot gas will flow to the top of the reactor. Some reactors cannot circulate the internal hot steam and hot gas up and down well, resulting in uneven temperature in the reactor, which in turn causes the phosphogypsum to be heated unevenly, reducing the quality of trans-crystallized phosphogypsum processing.

[0004] Therefore, it is necessary to provide a crystallized phosphogypsum steaming and drying integrated reactor to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problem mentioned in the background technology that some integrated reactors for steaming, curing and drying of crystallized phosphogypsum cannot circulate the internal hot steam and hot gas up and down well, the utility model provides an integrated reactor for steaming, curing and drying of crystallized phosphogypsum.

[0006] The utility model provides a reaction kettle for steaming, curing and drying crystallized phosphogypsum, comprising: a reaction kettle body, the reaction kettle body is used for steaming, curing and drying the crystallized phosphogypsum, and the reaction kettle body is provided with a sealing door; a placement mesh frame, the placement mesh frame is arranged in the reaction kettle body, and the placement mesh frame is used for placing the phosphogypsum; a steam pipe, the steam pipe is fixedly installed in the interior of the reaction kettle body, the steam pipe is used for passing steam through the reaction kettle body to steam-cure the phosphogypsum; a heating plate, the heating plate is fixedly installed on the reaction kettle body, the heating plate is used for heating and drying the phosphogypsum in the reaction kettle body; a circulation mechanism, the circulation mechanism is arranged in the reaction kettle body, the circulation mechanism is used for circulating the hot steam and hot gas in the reaction kettle body up and down; a moving mechanism, the moving mechanism is arranged on the reaction kettle body and the placement mesh frame, the moving mechanism is used for driving the placement mesh frame to move.

[0007] Preferably, the circulation mechanism includes a drainage hood, two mounting shafts, a plurality of fan blades, a driving motor, a double-grooved wheel, two single-grooved wheels, two belts and a plurality of circulation pipes, the drainage hood is fixedly mounted on the top inner wall of the reactor body, the two mounting shafts are rotatably mounted on the reactor body, the plurality of fan blades are respectively fixedly mounted on the two mounting shafts, the fan blades are located in the drainage hood, the driving motor is fixedly mounted on the top of the reactor body, the double-grooved wheel is fixedly sleeved on the output shaft of the driving motor, the two single-grooved wheels are respectively fixedly sleeved on the two mounting shafts, the two belts are sleeved on the two single-grooved wheels and the double-grooved wheel, the plurality of circulation pipes are all fixedly mounted on the drainage hood, and the plurality of circulation pipes are respectively located on both sides of the screen frame.

[0008] Preferably, the moving mechanism includes a servo motor, a screw rod and a connecting frame, the servo motor is fixedly mounted on an outer wall of one side of the reactor body, the screw rod is rotatably mounted on the reactor body, and one end of the screw rod is fixedly connected to an output shaft of the servo motor, the connecting frame is threadedly sleeved on the screw rod, and the connecting frame is fixedly connected to the placement net frame, a limiting rod is fixedly mounted in the reactor body, and the limiting rod and the connecting frame are slidably connected.

[0009] Preferably, support plates are fixedly mounted on the front and rear inner walls of the reactor body, a plurality of support blocks are fixedly mounted on the bottom where the net frame is placed, balls are nested at the bottom of the support blocks, and the balls are in contact with the top of the support plates.

[0010] Preferably, a receiving plate is fixedly installed in the reactor body, and the receiving plate is used to receive impurities dropped from the placement net frame. The receiving plate is located below the support plate, and a cleaning mechanism is provided on the connecting frame, and the cleaning mechanism is used to clean impurities on the receiving plate.

[0011] Preferably, the cleaning mechanism includes a placement rack, a spring, a guide rack and a cleaning brush, the placement rack is fixedly mounted on the bottom of the connecting rack, the spring is fixedly mounted in the placement rack, the guide rack is slidably disposed in the placement rack, and the cleaning brush is fixedly mounted on the guide rack.

[0012] Preferably, a placement shaft is fixedly mounted on the installation shaft, a fan blade is fixedly mounted on the placement shaft, and the fan blade is located on one side of the drive motor.

[0013] Compared with the related art, the integrated reaction kettle for steaming, curing and drying of crystallized phosphogypsum provided by the utility model has the following beneficial effects:

[0014] The utility model provides a reaction kettle integrating steaming, curing and drying of crystallized phosphogypsum:

[0015] A reaction kettle for steaming and drying crystallized phosphogypsum is formed by a reaction kettle body, a sealing door, a placement net frame, a steam pipe, a heating plate, a circulation mechanism, a moving mechanism, a support plate, a support block, a material receiving plate, a cleaning mechanism, a placement shaft and a fan blade, which can perform steaming and drying operations on the phosphogypsum. At the same time, hot steam and hot gas can be evenly circulated up and down during the steaming and drying process, so that the phosphogypsum can be evenly heated, the steaming and drying effects of the phosphogypsum can be improved, and the quality of the processed crystallized phosphogypsum can be improved;

[0016] The circulation mechanism can be used to circulate hot steam and hot gas evenly up and down during the steaming and drying process, so that the phosphogypsum can be heated evenly, the steaming and drying effects of the phosphogypsum can be improved, and the quality of the trans-crystal phosphogypsum processing can be improved. The moving mechanism can conveniently drive the placement frame to move for loading and unloading. The interaction between the support plate and the support block can improve the stability of the placement frame in the reactor body. The receiving plate is used to receive impurities dropped in the placement frame. The cleaning mechanism can move the impurities on the receiving plate to one side, so as to facilitate cleaning by the staff. When the installation shaft rotates, the fan blades on the placement shaft will be driven to rotate, thereby accelerating the circulation of air around the drive motor, thereby helping the drive motor to dissipate heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the main cross-sectional structure of a preferred embodiment of the integrated reaction kettle for crystallized phosphogypsum steaming, curing and drying provided by the utility model;

[0018] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0020] Figure 4 for Figure 2 An enlarged schematic diagram of the structure of part B shown in FIG.

[0021] Figure 5 for Figure 4 An enlarged schematic diagram of the structure of part C shown in FIG.

[0022] Figure 6 It is a structural schematic diagram of a placement frame of the utility model.

[0023] Numbers in the figure: 1. Reactor body; 101. Sealing door; 2. Screen frame; 3. Steam pipe; 4. Heating plate; 5. Circulation mechanism; 501. Drainage hood; 502. Mounting shaft; 503. Fan blade; 504. Driving motor; 505. Double groove wheel; 506. Single groove wheel; 507. Belt; 508. Circulation pipe; 6. Moving mechanism; 601. Servo motor; 602. Screw rod; 603. Connecting frame; 7. Support plate; 8. Support block; 9. Receiving plate; 10. Cleaning mechanism 10; 1001. Placement frame; 1002. Spring; 1003. Guide frame; 1004. Cleaning brush; 11. Placement shaft; 12. Fan blade. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] Please refer to Figure 1-Figure 6 ,in, Figure 1 A schematic diagram of the main cross-sectional structure of a preferred embodiment of the integrated reaction kettle for crystallized phosphogypsum steaming, curing and drying provided by the utility model;

[0026] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model; Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG. Figure 4 for Figure 2 An enlarged schematic diagram of the structure of part B shown in FIG.

[0027] Figure 5 for Figure 4 An enlarged schematic diagram of the structure of part C shown in FIG. Figure 6 It is a structural schematic diagram of a placement frame of the utility model.

[0028] The integrated reactor for steaming and drying crystallized phosphogypsum comprises: a reactor body 1, the reactor body 1 is used for steaming and drying the crystallized phosphogypsum, and the reactor body 1 is provided with a sealing door 101; a placement net frame 2, the placement net frame 2 is arranged in the reactor body 1, and the placement net frame 2 is used for placing the phosphogypsum; a steam pipe 3, the steam pipe 3 is fixedly installed inside the reactor body 1, and the steam pipe 3 is used for passing steam through the reactor body 1 to steam-cure the phosphogypsum; a heating plate 4, the heating plate 4 is fixedly installed on the reactor body 1, and the heating plate 4 is used for heating and drying the phosphogypsum in the reactor body 1; a circulation mechanism 5, the circulation mechanism 5 is arranged in the reactor body 1, and the circulation mechanism 5 is used for the reaction The hot steam and hot gas in the reactor body 1 circulate up and down; the moving mechanism 6 is arranged on the reactor body 1 and the placement screen frame 2, and the moving mechanism 6 is used to drive the placement screen frame 2 to move. The reactor body 1, the sealing door 101, the placement screen frame 2, the steam pipe 3, the heating plate 4, the circulation mechanism 5, the moving mechanism 6, the support plate 7, the support block 8, the receiving plate 9, the cleaning mechanism 10, the placement shaft 11 and the fan blade 12 form an integrated reaction kettle for steaming and drying of transformed phosphogypsum, which can be used for steaming and drying phosphogypsum. At the same time, the hot steam and hot gas can be circulated evenly up and down during the steaming and drying process, so that the phosphogypsum can be heated evenly, the curing and drying effects of the phosphogypsum can be improved, and the quality of the processed phosphogypsum can be improved.

[0029] The circulation mechanism 5 includes a drainage cover 501, two installation shafts 502, a plurality of blades 503, a driving motor 504, a double groove wheel 505, two single groove wheels 506, two belts 507 and a plurality of circulation pipes 508. The drainage cover 501 is fixedly mounted on the top inner wall of the reactor body 1, the two installation shafts 502 are both rotatably mounted on the reactor body 1, the plurality of blades 503 are respectively fixedly mounted on the two installation shafts 502, the blades 503 are located in the drainage cover 501, the driving motor 504 is fixedly mounted on the top of the reactor body 1, the double groove wheel 505 is fixedly sleeved It is arranged on the output shaft of the driving motor 504, the two single-groove wheels 506 are respectively fixedly mounted on the two mounting shafts 502, the two belts 507 are mounted on the two single-groove wheels 506 and the double-groove wheels 505, and the plurality of circulation pipes 508 are all fixedly mounted on the drainage hood 501, and the plurality of circulation pipes 508 are respectively located on both sides of the placement screen frame 2. Through the circulation mechanism 5, the hot steam and hot gas can be evenly circulated up and down during the steaming and drying process, so that the phosphogypsum can be evenly heated, the steaming and drying effects of the phosphogypsum can be improved, and the quality of the crystallized phosphogypsum processing can be improved.

[0030] The moving mechanism 6 includes a servo motor 601, a screw rod 602 and a connecting frame 603. The servo motor 601 is fixedly installed on one side outer wall of the reactor body 1. The screw rod 602 is rotatably installed on the reactor body 1, and one end of the screw rod 602 is fixedly connected to the output shaft of the servo motor 601. The connecting frame 603 is threadedly sleeved on the screw rod 602, and the connecting frame 603 is fixedly connected to the placement screen frame 2. A limiting rod is fixedly installed in the reactor body 1, and the limiting rod is slidably connected to the connecting frame 603. The placement screen frame 2 is conveniently driven to move for loading and unloading through the moving mechanism 6.

[0031] Support plates 7 are fixedly installed on the front and rear inner walls of the reactor body 1, and a plurality of support blocks 8 are fixedly installed on the bottom of the screen frame 2. Balls are nested at the bottom of the support blocks 8, and the balls are in contact with the top of the support plates 7. Through the interaction between the support plates 7 and the support blocks 8, the stability of the screen frame 2 placed in the reactor body 1 can be improved.

[0032] A receiving plate 9 is fixedly installed in the reactor body 1, and the receiving plate 9 is used to receive impurities dropped from the placement net frame 2. The receiving plate 9 is located below the support plate 7. A cleaning mechanism 10 is provided on the connecting frame 603, and the cleaning mechanism 10 is used to clean impurities on the receiving plate 9. The receiving plate 9 is used to receive impurities dropped from the placement net frame 2.

[0033] The cleaning mechanism 10 includes a placement rack 1001, a spring 1002, a guide rack 1003 and a cleaning brush 1004. The placement rack 1001 is fixedly installed at the bottom of the connecting rack 603, the spring 1002 is fixedly installed in the placement rack 1001, the guide rack 1003 is slidably set in the placement rack 1001, and the cleaning brush 1004 is fixedly installed on the guide rack 1003. The cleaning mechanism 10 can move impurities on the material plate 9 to one side, thereby facilitating cleaning by the staff.

[0034] A placement shaft 11 is fixedly mounted on the mounting shaft 502, and a fan blade 12 is fixedly mounted on the placement shaft 11. The fan blade 12 is located on one side of the drive motor 504. When the mounting shaft 502 rotates, the fan blade 12 on the placement shaft 11 is driven to rotate, thereby accelerating the circulation of air around the drive motor 504, thereby helping the drive motor 504 to dissipate heat.

[0035] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0036] The working principle of the integrated reaction kettle for steaming, curing and drying of crystallized phosphogypsum provided by the utility model is as follows:

[0037] This solution also has an electric control cabinet, which is installed on the equipment. When in use, each electrical device can be started and operated through the electric control cabinet. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for people in this field and will not be described in detail here.

[0038] When in use, when the phosphogypsum is placed in the placement net frame 2, firstly, the servo motor 601 is started through the controller (a control is provided on one side of the reactor body 1, and the control operation is performed through the controller, which is the prior art) to drive the screw rod 602 to rotate, and under the limiting effect of the limiting rod on the connecting frame 603, the screw rod 602 drives the connecting frame 603 to move, and then the placement net frame 2 is moved out of the reactor body 1, so as to facilitate the placement of the phosphogypsum in the placement net frame 2. After the placement is completed, the servo motor 601 is started to reverse, so as to reset the placement net frame 2 to the reactor body 1, and then the sealing door 101 is closed, and the steam pipe 3 is connected to the corresponding pipeline on the steam generator, and the steam enters the reactor body 1 through the steam pipe 3 (a corresponding installation pipe is provided on the reactor body 1, and a control valve is provided on the installation pipe. According to the actual steaming demand, a certain amount of exhaust is performed to the outside through the installation pipe) to perform steaming operation on the phosphogypsum;

[0039] During steam curing, the driving motor 504 is started by the controller, and the fan blade 503 on the mounting shaft 502 is driven to rotate under the interaction of the double groove wheel 505, the single groove wheel 506 and the belt 507, so as to centrally drain the hot steam on the top of the reactor body 1, and the drained hot steam is discharged to the bottom of the reactor body 1 through the circulation pipe 508, and circulates continuously in this way, so that the hot steam can be evenly distributed in the reactor body 1, so that the phosphogypsum can be evenly heated, the effect of steam curing of the phosphogypsum can be improved, and the quality of product processing can be improved. After the steam curing is completed, the heating plate 4 is started by the controller to heat the reactor body 1 and dry the phosphogypsum. Similarly, the circulation mechanism 5 is started to circulate the hot gas during drying, so that the phosphogypsum can be evenly heated.

[0040] Compared with the related art, the integrated reaction kettle for steaming, curing and drying of crystallized phosphogypsum provided by the utility model has the following beneficial effects:

[0041] The utility model provides a crystallized phosphogypsum steaming-curing and drying integrated reaction kettle, which is formed by a reaction kettle body 1, a sealing door 101, a placement net frame 2, a steam pipe 3, a heating plate 4, a circulation mechanism 5, a moving mechanism 6, a support plate 7, a support block 8, a material receiving plate 9, a cleaning mechanism 10, a placement shaft 11 and a fan blade 12 to form a crystallized phosphogypsum steaming-curing and drying integrated reaction kettle, which can perform steaming-curing and drying operations on the phosphogypsum, and at the same time, hot steam and hot gas can be evenly circulated up and down during the steaming-curing and drying process, so that the phosphogypsum can be evenly heated, the steaming and drying effects of the phosphogypsum are improved, and the quality of the crystallized phosphogypsum processing is improved;

[0042] The circulation mechanism 5 can be used to circulate hot steam and hot gas evenly up and down during the steaming and drying process, so that the phosphogypsum can be heated evenly, the steaming and drying effects of the phosphogypsum can be improved, and the quality of the trans-crystallized phosphogypsum processing can be improved. The moving mechanism 6 can conveniently drive the placement screen frame 2 to move for loading and unloading. Through the interaction of the support plate 7 and the support block 8, the stability of the placement screen frame 2 in the reactor body 1 can be improved. The receiving plate 9 is used to receive impurities dropped from the placement screen frame 2. The cleaning mechanism 10 can move the impurities on the receiving plate 9 to one side, so as to facilitate cleaning by the staff. When the installation shaft 502 rotates, it will drive the fan blades 12 on the placement shaft 11 to rotate, thereby accelerating the circulation of air around the drive motor 504, thereby helping the drive motor 504 to dissipate heat.

[0043] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A crystallized phosphogypsum steaming and drying integrated reactor, characterized in that: include: A reaction kettle body, the reaction kettle body is used for steaming and drying the transformed phosphogypsum, and the reaction kettle body is provided with a sealing door; A placing mesh frame, the placing mesh frame is arranged in the reactor body, and the placing mesh frame is used to place phosphogypsum; A steam pipe, the steam pipe is fixedly installed inside the reactor body, and the steam pipe is used to pass steam through the reactor body to steam-cure the phosphogypsum; A heating plate, the heating plate is fixedly mounted on the reactor body, and the heating plate is used to heat and dry the phosphogypsum in the reactor body; A circulation mechanism, the circulation mechanism is arranged in the reactor body, and the circulation mechanism is used to circulate the hot steam and hot gas in the reactor body up and down; A moving mechanism is arranged on the reaction kettle body and the placing screen frame, and is used for driving the placing screen frame to move.

2. The integrated reaction kettle for steaming and drying crystallized phosphogypsum according to claim 1, characterized in that: The circulation mechanism includes a drainage hood, two mounting shafts, a plurality of fan blades, a driving motor, a double-grooved wheel, two single-grooved wheels, two belts and a plurality of circulation pipes. The drainage hood is fixedly mounted on the top inner wall of the reactor body, the two mounting shafts are rotatably mounted on the reactor body, the plurality of fan blades are respectively fixedly mounted on the two mounting shafts, the fan blades are located in the drainage hood, the driving motor is fixedly mounted on the top of the reactor body, the double-grooved wheel is fixedly sleeved on the output shaft of the driving motor, the two single-grooved wheels are respectively fixedly sleeved on the two mounting shafts, the two belts are sleeved on the two single-grooved wheels and the double-grooved wheel, the plurality of circulation pipes are all fixedly mounted on the drainage hood, and the plurality of circulation pipes are respectively located on both sides of the screen frame.

3. The integrated reaction kettle for steaming and drying crystallized phosphogypsum according to claim 1, characterized in that: The moving mechanism includes a servo motor, a screw rod and a connecting frame, the servo motor is fixedly installed on one side outer wall of the reactor body, the screw rod is rotatably installed on the reactor body, and one end of the screw rod is fixedly connected to the output shaft of the servo motor, the connecting frame is threadedly sleeved on the screw rod, and the connecting frame is fixedly connected to the placement net frame, a limiting rod is fixedly installed in the reactor body, and the limiting rod and the connecting frame are slidably connected.

4. The integrated reaction kettle for steaming and drying crystallized phosphogypsum according to claim 3, characterized in that: Support plates are fixedly installed on the front and rear inner walls of the reactor body, and a plurality of support blocks are fixedly installed on the bottom where the net frame is placed. Ball bearings are embedded in the bottom of the support blocks, and the ball bearings are in contact with the top of the support plates.

5. The integrated reaction kettle for steaming and drying crystallized phosphogypsum according to claim 4, characterized in that: A receiving plate is fixedly installed on the reactor body, and the receiving plate is used to receive impurities dropped from the placing mesh frame. The receiving plate is located below the supporting plate, and a cleaning mechanism is provided on the connecting frame, and the cleaning mechanism is used to clean impurities on the receiving plate.

6. The integrated reaction kettle for steaming and drying crystallized phosphogypsum according to claim 5, characterized in that: The cleaning mechanism comprises a placing frame, a spring, a guide frame and a cleaning brush. The placing frame is fixedly installed at the bottom of the connecting frame, the spring is fixedly installed in the placing frame, the guide frame is slidably arranged in the placing frame, and the cleaning brush is fixedly installed on the guide frame.

7. The integrated reaction kettle for steaming and drying crystallized phosphogypsum according to claim 2, characterized in that: A placement shaft is fixedly mounted on the mounting shaft, a fan blade is fixedly mounted on the placement shaft, and the fan blade is located at one side of the driving motor.

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