Esterification reaction device for flame retardant production

Abstract

The utility model discloses an esterification reaction device for flame retardant production, which comprises a round shell, a barrel body is arranged in the round shell, a sliding component is arranged between the round shell and the barrel body, the top of the round shell is fixedly connected with a fixed plate, the top of the fixed plate is provided with a motor, and the motor is connected with a motor shaft. A supporting frame is fixedly connected to the top of the fixing plate, the motor is fixedly installed on the supporting frame, a first transmission assembly is arranged at the output end of the motor, a feeding and discharging assembly is arranged in the barrel body, a reaction assembly is arranged in the barrel body, and a second transmission assembly is arranged outside the barrel body. Through the arrangement of the structure, raw materials can be subjected to esterification reaction in the flame retardant production process, the raw materials can be mixed more sufficiently through opposite rotation of the heating rod and the barrel body, the esterification reaction effect is improved, and great convenience is brought to use of workers.

Description

Technical Field

[0001] This utility model relates to the field of flame retardant production technology, and in particular to an esterification reaction apparatus for flame retardant production. Background Technology

[0002] Esterification of flame retardants refers to the process by which certain functional groups (such as hydroxyl and carboxyl groups) in a flame retardant molecule react with organic acids or alcohols to form flame retardant compounds containing ester bonds. This process can alter the chemical structure and properties of the flame retardant. For example, in organophosphorus flame retardants, the hydroxyl groups in phosphoric acid or phosphorous acid react with alcohols to form phosphate esters or phosphite esters, thereby optimizing the performance of the flame retardant.

[0003] Most existing esterification reaction devices for flame retardant production use a single stirring rod to agitate the raw materials and complete the esterification reaction. The stirring range of a single stirring rod is limited, which cannot fully agitate the flame retardant raw materials, resulting in poor esterification reaction effect and making it inconvenient for operators. Therefore, we propose an esterification reaction device for flame retardant production. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides an esterification reaction apparatus for the production of flame retardants, thereby solving the aforementioned problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An esterification reaction apparatus for flame retardant production includes a cylindrical shell, a barrel body disposed inside the cylindrical shell, a sliding assembly disposed between the cylindrical shell and the barrel body, a fixing plate fixedly connected to the top of the cylindrical shell, a motor disposed on the top of the fixing plate, a first transmission assembly disposed at the output end of the motor, a feeding and discharging assembly disposed inside the barrel body, a reaction assembly disposed inside the barrel body, and a second transmission assembly disposed outside the barrel body.

[0007] Preferably, the sliding assembly includes two symmetrically distributed grooves formed on the inner wall of the circular shell, and two symmetrically distributed sliders are fixedly connected to the outside of the barrel. The sliders are slidably connected inside the grooves, and both the sliders and the grooves are circular in shape.

[0008] Preferably, a support frame is fixedly connected to the top of the fixing plate, and the motor is fixedly mounted on the support frame.

[0009] Preferably, the feeding and discharging assembly includes a feeding pipe connected to the top of the barrel, the height of the feeding pipe being lower than the fixed plate, a bearing being provided at the bottom of the barrel, a discharging pipe being provided on the inner ring of the bearing, the top of the discharging pipe being connected to the bottom of the barrel, and a screw conveyor being provided at the bottom of the discharging pipe.

[0010] Preferably, the reaction assembly includes a first rotating shaft fixedly connected to the output end of a motor, the first rotating shaft extending into the interior of the barrel, and a plurality of equally spaced heating rods fixedly connected to the exterior of the first rotating shaft.

[0011] Preferably, the outer surface of the circular shell is provided with a through groove, and the top and bottom of the inner wall of the through groove are fixedly connected to connecting plates. The top of the connecting plate located at the bottom of the through groove is rotatably connected to a second rotating shaft, and the second rotating shaft extends to the top of the connecting plate located above the through groove.

[0012] Preferably, the first transmission assembly includes pulleys fixedly sleeved on the outside of the first rotating shaft and the second rotating shaft, and the two pulleys are movably sleeved with the same belt.

[0013] Preferably, the second transmission component includes a gear fixedly sleeved on the outside of the second rotating shaft, and a gear plate fixedly connected to the outside of the barrel body, with the gear and the gear plate meshing together.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: the first transmission component enables the first and second rotating shafts to rotate simultaneously; the second transmission component enables the barrel to rotate; the feeding and discharging components convey the raw materials to the barrel and discharge the raw materials after the reaction is completed; the reaction component enables the raw materials to undergo esterification reaction. With the above structure, the raw materials can undergo esterification reaction during the flame retardant production process. The device, by having the heating rod and the barrel rotate in opposite directions, enables the raw materials to be mixed more thoroughly, improves the esterification reaction effect, and greatly facilitates the use of the equipment by the staff. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 3 This utility model Figure 2 A schematic diagram of the structure of part A;

[0018] Figure 4 This utility model Figure 2 A schematic diagram of the structure of part B.

[0019] In the diagram: 1. Circular shell; 2. Fixed plate; 3. Support frame; 4. Motor; 5. Slide groove; 6. Slider; 7. Barrel body; 8. Feed pipe; 9. Bearing; 10. Discharge pipe; 11. Screw conveyor; 12. First rotating shaft; 13. Heating rod; 14. Pulley; 15. Belt; 16. Second rotating shaft; 17. Connecting plate; 18. Gear; 19. Gear disc; 20. Through groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Refer to Figure 1-4 An esterification reaction apparatus for flame retardant production includes a circular shell 1, inside which is a barrel 7. A sliding assembly is provided between the circular shell 1 and the barrel 7. The sliding assembly includes two symmetrically distributed grooves 5 formed on the inner wall of the circular shell 1. Two symmetrically distributed sliders 6 are fixedly connected to the outside of the barrel 7. The sliders 6 are slidably connected inside the grooves 5. Both the sliders 6 and the grooves 5 are circular in shape. The barrel 7 can be supported and slid by the sliding assembly. A fixing plate 2 is fixedly connected to the top of the circular shell 1. A motor 4 is provided on the top of the fixing plate 2. A support frame 3 is fixedly connected to the top of the fixing plate 2. The motor 4 is fixedly mounted on the support frame 3. The support frame 3 prevents the motor 4 from running idle during operation.

[0022] Specifically, the output end of the motor 4 is equipped with a first transmission component, which includes pulleys 14 fixedly sleeved on the outside of the first rotating shaft 12 and the second rotating shaft 16. The two pulleys 14 are movably sleeved on the outside of the same belt 15. Through the first transmission component, the first rotating shaft 12 and the second rotating shaft 16 can be rotated. The inside of the barrel 7 is equipped with an inlet and outlet component, which includes an inlet pipe 8 connected to the top of the barrel 7. The height of the inlet pipe 8 is lower than that of the fixed plate 2. The bottom of the barrel 7 is equipped with a bearing 9. The inner ring of the bearing 9 is equipped with an outlet pipe 10. The top of the outlet pipe 10 is connected to the bottom of the barrel 7. The bottom of the outlet pipe 10 is equipped with a screw conveyor 11. Through the inlet and outlet component, the raw materials can be transported to the barrel 7 and the raw materials after the reaction is completed can be discharged.

[0023] Specifically, the outer surface of the cylindrical shell 1 is provided with a through groove 20. The top and bottom of the inner wall of the through groove 20 are fixedly connected to connecting plates 17. The top of the connecting plate 17 at the bottom of the through groove 20 is rotatably connected to a second rotating shaft 16. The second rotating shaft 16 extends to the top of the connecting plate 17 above the through groove 20. The inside of the barrel 7 is provided with a reaction assembly, which includes a first rotating shaft 12 fixedly connected to the output end of the motor 4. The first rotating shaft 12 extends into the inside of the barrel 7. Multiple heating rods 13 are fixedly connected to the outside of the first rotating shaft 12 at equal distances. Through the set reaction assembly, the raw materials can be subjected to an esterification reaction. The outside of the barrel 7 is provided with a second transmission assembly, which includes a gear 18 fixedly sleeved on the outside of the second rotating shaft 16. A gear plate 19 is fixedly connected to the outside of the barrel 7. The gear 18 and the gear plate 19 are meshed and connected. Through the set second transmission assembly, the barrel 7 can be rotated.

[0024] In use: During the flame retardant production process, when the raw materials need to undergo an esterification reaction, the raw materials are first transported into the interior of the barrel 7 through the feed pipe 8. The motor 4 is then started, causing its output to drive the first rotating shaft 12 and the heating rod 13 to rotate. The rotation of the heating rod 13 initiates the esterification reaction of the raw materials inside the barrel 7. Through the pulley 14 and belt 15 located outside the first and second rotating shafts 12 and 16, the rotation of the first rotating shaft 12 drives the second rotating shaft 16 and the gear 18 to rotate. The gear 18 is meshed with the gear disc 19. The gear 18 rotates, causing the gear disc 19 to rotate in the opposite direction to the barrel 7. The rotation of the barrel 7 and the heating rod 13 together improve the esterification reaction of the raw materials inside the barrel 7. The barrel 7 is slidably connected to the inside of the slide groove 5 by the slider 6, which provides sliding support for the barrel 7. With the above structure, the raw materials can undergo esterification reaction during the flame retardant production process. The opposite rotation of the heating rod 13 and the barrel 7 in this device makes the raw materials more thoroughly mixed, improves the esterification reaction effect, and greatly facilitates the use of the equipment by the staff.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An esterification reaction apparatus for the production of flame retardants, comprising a cylindrical shell (1), characterized in that, The cylindrical shell (1) has a barrel (7) inside. A sliding assembly is provided between the cylindrical shell (1) and the barrel (7). A fixing plate (2) is fixedly connected to the top of the cylindrical shell (1). A motor (4) is provided on the top of the fixing plate (2). A first transmission assembly is provided at the output end of the motor (4). A feeding and discharging assembly is provided inside the barrel (7). A reaction assembly is provided inside the barrel (7). A second transmission assembly is provided outside the barrel (7). The reaction assembly includes a first rotating shaft (12) fixedly connected to the output end of the motor (4). The first rotating shaft (12) extends into the interior of the barrel (7). A plurality of equally spaced heating rods (13) are fixedly connected to the outside of the first rotating shaft (12).

2. The esterification reaction apparatus for flame retardant production according to claim 1, characterized in that, The sliding assembly includes two symmetrically distributed grooves (5) on the inner wall of the circular shell (1). Two symmetrically distributed sliders (6) are fixedly connected to the outside of the barrel body (7). The sliders (6) are slidably connected inside the grooves (5). The sliders (6) and the grooves (5) are both circular in shape.

3. The esterification reaction apparatus for flame retardant production according to claim 1, characterized in that, The top of the fixed plate (2) is fixedly connected to a support frame (3), and the motor (4) is fixedly installed on the support frame (3).

4. An esterification reaction apparatus for flame retardant production according to claim 1, characterized in that, The feeding and discharging assembly includes a feeding pipe (8) connected to the top of the barrel (7), the height of the feeding pipe (8) being lower than that of the fixed plate (2), a bearing (9) being provided at the bottom of the barrel (7), a discharge pipe (10) being provided on the inner ring of the bearing (9), the top of the discharge pipe (10) being connected to the bottom of the barrel (7), and a screw conveyor (11) being provided at the bottom of the discharge pipe (10).

5. An esterification reaction apparatus for flame retardant production according to claim 1, characterized in that, The outer side of the round shell (1) is provided with a through groove (20). The top and bottom of the inner wall of the through groove (20) are fixedly connected with connecting plates (17). The top of the connecting plate (17) located at the bottom of the through groove (20) is rotatably connected with a second rotating shaft (16). The second rotating shaft (16) extends to the top of the connecting plate (17) located above the through groove (20).

6. An esterification reaction apparatus for flame retardant production according to claim 5, characterized in that, The first transmission assembly includes pulleys (14) fixedly sleeved on the outside of the first rotating shaft (12) and the second rotating shaft (16), and the two pulleys (14) are movably sleeved on the outside of the same belt (15).

7. An esterification reaction apparatus for flame retardant production according to claim 6, characterized in that, The second transmission assembly includes a gear (18) fixedly sleeved on the outside of the second rotating shaft (16), and a gear disc (19) fixedly connected to the outside of the barrel body (7), and the gear (18) and the gear disc (19) meshing with each other.

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