Brominated triazine flame retardant raw material mixing device

Abstract

The utility model relates to the technical field of flame retardant production equipment, and provides a bromo-triazine flame retardant raw material mixing device which comprises a mixing reaction tank, a mixing and stirring assembly is arranged in the mixing reaction tank and mounted on a stirring shaft, the stirring shaft is rotatably mounted on the mixing reaction tank, the top of the stirring shaft extends to the outer side of the mixing reaction tank, and the mixing reaction tank is connected with the mixing reaction tank. A driving gear is installed in the mixing reaction tank and located on the stirring shaft, the driving gear is in transmission connection with an annular material distribution assembly through gear tooth meshing, the annular material distribution assembly is rotationally installed on a supporting bin, the supporting bin is installed on the mixing reaction tank, a plurality of hoppers are further installed at the top of the mixing reaction tank, and all the hoppers communicate with the supporting bin; the bottom of the mixed reaction tank is communicated with an output pipeline; a control valve is mounted on the output pipeline. According to the mixing reaction device, raw materials in different states can be respectively fed, the feeding efficiency is high, and the fed raw materials are good in dispersity in the mixing reaction device, so that the mixing reaction efficiency is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flame retardant production equipment technical field especially relates to a bromine replacement triazine flame retardant raw material mixing device. BACKGROUND

[0002] Bromine replacement triazine flame retardant is a new type of bromine / nitrogen synergistic flame retardant, which has superior ultraviolet radiation resistance and light resistance, overcomes the shortcomings of poor light resistance and easy color change of four bromine and decabromine, and is an upgraded substitute product of four bromine and decabromine, which has white appearance, large molecular weight, complex structure, good thermal stability and electrical performance, superior light resistance, and is different from traditional bromine-based flame retardants, has high initial decomposition temperature, and does not contain free bromine due to its heat absorption and decomposition heat reduction mechanism, while traditional bromine-based flame retardants produce free bromine, which can avoid the negative effects of free bromine on processing equipment and environment, make the processing equipment safer and the product performance more excellent, especially for most flame retardants for high temperature processing plastic products such as ABS, PBT, PC / ABS and HIPS, and due to the bromine-nitrogen flame retardant synergistic effect, the flame retardancy is more superior than that of four bromine and decabromine.

[0003] Bromine replacement triazine flame retardant needs to use a variety of raw materials in the preparation process, and the form of raw materials is different, including liquid, powder and particle states, and the currently used bromine replacement triazine flame retardant mixing reaction device mostly has only one feeding hole, the feeding of raw materials can only be sequentially carried out, the feeding efficiency is low, and the position of raw materials in the mixing reaction device is fixed, the dispersibility is poor, and the mixing reaction efficiency of the flame retardant is affected. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art pointed out above, the utility model provides a bromine replacement triazine flame retardant raw material mixing device, which can realize separate feeding of raw materials in different states, has high feeding efficiency, and the dispersed raw materials in the mixing reaction device are beneficial to improve the mixing reaction efficiency.

[0005] To solve the above technical problems, the technical scheme of the utility model is:

[0006] The utility model provides a kind of brominated triazine flame retardant raw material mixing device, including mixing reaction tank, mixing stirring subassembly is equipped in the mixing reaction tank, the mixing stirring subassembly is installed on stirring shaft, the stirring shaft is rotatably installed on the mixing reaction tank, and top extends to the outside of the mixing reaction tank, and is connected drive motor, driving gear is installed on the stirring shaft in the mixing reaction tank, the driving gear is rotatably connected with annular distribution subassembly by gear meshing, the annular distribution subassembly is rotatably installed on support bin, the support bin is installed on the mixing reaction tank, the top of the mixing reaction tank is also equipped with a plurality of hoppers, the hopper is all communicated the support bin, the bottom of the mixing reaction tank is communicated with output pipeline, and control valve is installed on the output pipeline.

[0007] As an improved technical solution, the annular distribution subassembly includes an annular distribution bin rotatably mounted on the bottom of the support bin via a bearing, an inclined distribution channel connected to one end of the annular distribution bin away from the support bin, a plurality of distribution partitions arranged in the distribution channel, an annular rack connected to the inner side of the annular distribution bin, and the annular rack being arranged outside the driving gear and in transmission connection with the driving gear.

[0008] As an improved technical solution, the distribution partitions are arranged in a wave shape.

[0009] As an improved technical solution, at least one transmission gear is in gear meshing between the annular rack and the driving gear, the transmission gear is rotatably mounted on a support shaft, and the support shaft is mounted on the top of the mixing reaction tank.

[0010] As an improved technical solution, one end of the support bin connected with the annular distribution bin is arranged in an open manner and provided with a connecting portion, the annular distribution bin is provided with a connecting groove in sliding cooperation with the connecting portion, and one end of the support bin away from the annular distribution bin is connected with the top of the mixing reaction tank via a connecting piece.

[0011] As an improved technical solution, the bottom of the hopper is communicated with a connecting pipe, and the connecting pipe communicates with the support bin.

[0012] As an improved technical solution, the mixing stirring subassembly includes a sleeve, the sleeve is sleeved on the stirring shaft, a plurality of stirring rods are arranged on the sleeve, and a plurality of stirring blades are arranged on each stirring rod.

[0013] After the above technical scheme is adopted, the utility model has the following beneficial effects:

[0014] By setting the mixed reaction tank, the mixed reaction tank is provided with a mixed stirring assembly, the mixed stirring assembly is installed on the stirring shaft, the stirring shaft is rotatably installed on the mixed reaction tank, and the top extends to the outside of the mixed reaction tank and is connected with the driving motor, the stirring shaft can be driven to rotate by the driving motor, the mixed stirring assembly is driven to rotate in the rotating process of the stirring shaft, the stirring and mixing of the raw materials in the mixed reaction tank are realized, the driving gear is installed on the stirring shaft in the mixed reaction tank, the annular distributing assembly is drivingly connected with the driving gear through the gear meshing, the annular distributing assembly is rotatably installed on the supporting bin, the supporting bin is installed on the mixed reaction tank, a plurality of hoppers are installed on the top of the mixed reaction tank, the hoppers are all communicated with the supporting bin, the output pipeline is communicated with the bottom of the mixed reaction tank, and the control valve is installed on the output pipeline, the driving gear can be driven to rotate by the stirring shaft, the annular distributing assembly is synchronously driven to rotate in the rotating process of the driving gear, the raw materials in different states enter the supporting bin through different hoppers and enter the annular distributing assembly from the supporting bin, the dispersion of the raw materials in the mixed reaction tank is realized in the rotating process of the annular distributing assembly, the dispersion effect of the raw materials is enhanced, the stirring and mixing of the mixed stirring assembly are matched, the reaction efficiency is improved, and the brominated triazine flame retardant generated after the reaction can be output through the output pipeline and the control valve arranged at the bottom of the mixed reaction tank.

[0015] In conclusion, the brominated triazine flame retardant raw material mixing device can realize the separate feeding of raw materials in different states, has high feeding efficiency, and has good dispersion of the fed raw materials in the mixing reaction device, so that the mixing reaction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art. In addition, in the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0017] Figure 1 It is a structural schematic view of the present application;

[0018] Figure 2 It is a structural schematic view of the top of the mixed reaction tank in the present application;

[0019] Figure 3 It is Figure 2 It is a structural schematic view of another angle direction;

[0020] Figure 4 It is Figure 2 It is a sectional view of the structural schematic view;

[0021] Figure 5 Figure 1 is a structural schematic view of the cloth partition in the utility model;

[0022] Reference signs:

[0023] 1, mixed reaction tank, 2, mixed stirring assembly, 201, sleeve, 202, stirring rod, 203, stirring blade, 3, stirring shaft, 4, driving motor, 5, driving gear, 6, annular cloth assembly, 601, annular cloth bin, 602, cloth channel, 603, cloth partition, 604, annular rack, 605, connecting groove, 7, support bin, 701, connecting part, 8, hopper, 9, output pipeline, 10, control valve, 11, transmission gear, 12, support shaft, 13, connecting pipe, 14, connecting piece. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0026] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are met at the same time.

[0027] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] For example, Figures 1-4The illustrated bromine triazine flame retardant raw material mixing device includes a mixing reaction tank 1, a mixing stirring assembly 2 is arranged in the mixing reaction tank 1, the mixing stirring assembly 2 is installed on a stirring shaft 3, the stirring shaft 3 is rotatably installed on the mixing reaction tank 1, and the top extends to the outside of the mixing reaction tank 1 and is connected with a driving motor 4; the driving motor 4 can drive the stirring shaft 3 to rotate; the stirring shaft 3 drives the mixing stirring assembly 2 to rotate in the rotating process, so that the raw materials in the mixing reaction tank 1 are stirred and mixed; a driving gear 5 is arranged in the mixing reaction tank 1 and is installed on the stirring shaft 3; the driving gear 5 is connected with an annular material distribution assembly 6 through gear meshing transmission; the annular material distribution assembly 6 is rotatably installed on a support bin 7; the support bin 7 is installed on the mixing reaction tank 1; a plurality of hoppers 8 are arranged on the top of the mixing reaction tank 1; the hoppers 8 are all connected with the support bin 7; an output pipeline 9 is connected with the bottom of the mixing reaction tank 1; a control valve 10 is arranged on the output pipeline 9; the stirring shaft 3 can drive the driving gear 5 to rotate; the driving gear 5 drives the annular material distribution assembly 6 to rotate synchronously in the rotating process; the raw materials in different states enter the support bin 7 through different hoppers 8 and then enter the annular material distribution assembly 6; the raw materials in the mixing reaction tank 1 are dispersed in the rotating process of the annular material distribution assembly 6, so that the dispersion effect of the raw materials is enhanced; the stirring and mixing of the mixing stirring assembly 2 are matched, so that the reaction efficiency is improved; the bromine triazine flame retardant generated after the reaction can be output through the output pipeline 9 and the control valve 10 arranged at the bottom of the mixing reaction tank 1, and solid-liquid separation can be realized through a separation device in a subsequent process.

[0029] In this embodiment, the hoppers 8 are provided with four hoppers, of which three hoppers 8 correspond to liquid raw materials, powder raw materials and granular raw materials respectively, and the remaining one is a standby hopper 8; when the three hoppers 8 used have a blockage problem, the standby hopper 8 is used; the raw materials in the hoppers 8 enter the annular material distribution assembly 6 through the support bin 7; and the raw materials are dispersed in the mixing reaction tank 1 in the rotating process of the annular material distribution assembly 6.

[0030] As Figures 1-5As shown, the annular cloth assembly 6 comprises an annular cloth bin 601 which is rotatably installed on the bottom of the support bin 7 through a bearing, and can be driven to rotate by the driving gear 5 through the setting of the bearing. The annular cloth bin 601 is connected with an inclined cloth passage 602 at the end away from the support bin 7. The cloth passage 602 is arranged to be inclined, so as to facilitate the flow and conveying of the raw materials. A plurality of cloth partitions 603 are arranged in the cloth passage 602, so as to make the raw materials more dispersed in the flow process. The inner side of the annular cloth bin 601 is connected with an annular rack 604 which is arranged outside the driving gear 5 and is in transmission connection with the driving gear 5. The annular rack 604 can be in transmission connection with the driving gear 5, so as to drive the annular cloth bin 601 to rotate synchronously. In the embodiment, the annular rack 604 is in an integral structure with the annular cloth bin 601.

[0031] As shown in Figure 5 , the cloth partition 603 is arranged in a wave-shaped structure. The wave-shaped structure of the cloth partition 603 can slow down the flow speed of the raw materials, and make the raw materials more dispersed and better mixed.

[0032] As shown in Figure 1 , Figure 3 and Figure 4 , at least one transmission gear 11 is engaged between the annular rack 604 and the driving gear 5. The transmission gear 11 is in transmission engagement with the outside of the driving gear 5 and the inside of the annular rack 604. The transmission gear 11 is rotatably installed on a support shaft 12 through a bearing. The support shaft 12 is installed on the top of the mixing reaction tank 1. In the embodiment, two transmission gears 11 are provided and symmetrically arranged along the driving gear 5.

[0033] As shown in Figure 1 , Figure 3 and Figure 4 , the end of the support bin 7 connected with the annular cloth bin 601 is arranged to be open, and is provided with a connecting portion 701. Specifically, the connecting portion 701 is arranged on the outer side wall of the support bin 7. The annular cloth bin 601 is provided with a connecting groove 605 which is in sliding cooperation with the connecting portion 701. The connecting portion 701 is inserted into the connecting groove 605, so as to support the annular cloth bin 601 and not to hinder the rotation of the annular cloth bin 601. The end of the support bin 7 away from the annular cloth bin 601 is connected with the top of the mixing reaction tank 1 through a connecting piece 14. In the embodiment, the connecting piece 14 mainly adopts a connecting block or a connecting frame. One end of the connecting piece 14 is fixedly connected with the support bin 7, and the other end is fixedly connected with the mixing reaction tank 1.

[0034] As shown in Figure 1 , Figure 3 and Figure 4As shown, the bottom of the hopper 8 is communicated with a connecting pipe 13, the connecting pipe 13 is communicated with the support bin 7, the raw materials in the hopper 8 can smoothly enter into the support bin 7 through the connecting pipe 13, in addition, the connecting pipe 13 is usually provided with a valve body for controlling opening and closing, the valve body controls the opening and closing of the connecting pipe 13, the valve body for controlling opening and closing is common in daily life and belongs to the common knowledge of the person skilled in the art, which is not marked in the figure.

[0035] As shown in the figure, Figure 1 The mixing and stirring assembly 2 includes a sleeve 201 sleeved on the stirring shaft 3, a plurality of stirring rods 202 are arranged on the sleeve 201, and a plurality of stirring blades 203 are arranged on each stirring rod 202. The stirring shaft 3 drives the stirring rod 202 to rotate during rotation, and the stirring rod 202 drives the stirring blade 203 to rotate synchronously, thereby realizing the mixing and stirring of the raw materials in the mixing reaction tank 1.

[0036] In order to facilitate understanding, the working process of the embodiment is described as follows:

[0037] As shown in the figure, Figures 1-5 Firstly, raw materials in different states are respectively placed in different hoppers 8, the raw materials in the hopper 8 are transported into the support bin 7 through the connecting pipe 13, and then into the annular distribution bin 601 from the support bin 7. At the same time, the driving motor 4 is started to drive the stirring shaft 3 to rotate, and the driving gear 5 is driven to rotate by the stirring shaft 3 during rotation, and the annular rack 604 is driven to rotate by the driving gear 5 through the transmission gear 11. Since the annular distribution bin 601 and the annular rack 604 are integrated structures, the annular distribution bin 601 is driven to rotate, and the raw materials are uniformly dispersed to the mixing reaction tank 1 through the distribution channel 602 and the distribution partition 603 under the action of the rotating annular distribution bin 601. At the same time, the stirring shaft 3 drives the mixing and stirring assembly 2 to rotate synchronously, thereby realizing the mixing and stirring of the raw materials in the mixing reaction tank 1, improving the reaction efficiency. When the reaction is completed, the control valve 10 controls the opening of the output pipeline 9, and the reaction product is transported to the next process.

[0038] In summary, the brominated triazine flame retardant raw material mixing device can realize the separate feeding of raw materials in different states, has high feeding efficiency, and the feeding raw materials have good dispersibility in the mixing reaction device, which is beneficial to improve the mixing reaction efficiency.

[0039] It should be understood that the use of these embodiments is only for illustration of the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various modifications, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A mixing device for brominated triazine flame retardant raw materials, characterized in that: The system includes a mixing reaction vessel containing a mixing and stirring assembly mounted on a stirring shaft. The stirring shaft is rotatably mounted on the mixing reaction vessel, with its top extending to the outside of the vessel and connected to a drive motor. A drive gear is mounted inside the mixing reaction vessel and on the stirring shaft. The drive gear is connected to an annular material feeding assembly via gear meshing. The annular material feeding assembly is rotatably mounted on a support chamber, which is mounted on the mixing reaction vessel. Several hoppers are also installed on the top of the mixing reaction vessel, all of which are connected to the support chamber. An output pipe is connected to the bottom of the mixing reaction vessel, and a control valve is installed on the output pipe.

2. The brominated triazine flame retardant raw material mixing device as described in claim 1, characterized in that: The annular fabric assembly includes an annular fabric bin, which is rotatably mounted on the bottom of the support bin via a bearing. An inclined fabric channel is connected to one end of the annular fabric bin away from the support bin. Several fabric partitions are arranged inside the fabric channel. An annular rack is connected to the inner side of the annular fabric bin. The annular rack is located outside the drive gear and is connected to the drive gear in a transmission manner.

3. The brominated triazine flame retardant raw material mixing device as described in claim 2, characterized in that: The fabric partition is designed with a wave-shaped structure.

4. The brominated triazine flame retardant raw material mixing device as described in claim 2, characterized in that: At least one transmission gear meshes between the ring rack and the drive gear. The transmission gear is rotatably mounted on a support shaft, which is mounted on the top of the mixing reaction vessel.

5. The brominated triazine flame retardant raw material mixing device as described in claim 2, characterized in that: The end of the support chamber connected to the annular fabric chamber is open and has a connecting part. The annular fabric chamber has a connecting groove that slides with the connecting part. The end of the support chamber away from the annular fabric chamber is connected to the top of the mixing reaction tank through a connector.

6. The brominated triazine flame retardant raw material mixing device as described in claim 1, characterized in that: The bottom of the hopper is connected to a connecting pipe, which in turn connects to the support chamber.

7. The brominated triazine flame retardant raw material mixing device as described in claim 1, characterized in that: The mixing assembly includes a sleeve fitted onto the mixing shaft, and a plurality of mixing rods are arranged on the sleeve, with a plurality of mixing blades arranged on each mixing rod.

Images