CN219404916U - Blending type flame-retardant polyester flame retardant adding device - Google Patents

Blending type flame-retardant polyester flame retardant adding device Download PDF

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Publication number
CN219404916U
CN219404916U CN202320164946.6U CN202320164946U CN219404916U CN 219404916 U CN219404916 U CN 219404916U CN 202320164946 U CN202320164946 U CN 202320164946U CN 219404916 U CN219404916 U CN 219404916U
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China
Prior art keywords
dynamic mixing
flame retardant
mixing cabin
electric heating
auger screw
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CN202320164946.6U
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Chinese (zh)
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赵惠康
夏东平
余乐思
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China Petroleum and Chemical Corp
Sinopec Shanghai Petrochemical Co Ltd
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China Petroleum and Chemical Corp
Sinopec Shanghai Petrochemical Co Ltd
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Abstract

The utility model discloses a blending type flame-retardant polyester flame retardant adding device, and relates to the technical field of flame retardant adding devices. According to the blending type flame-retardant polyester flame retardant additive device, through the cooperation of the power line, the second electric heating tube and the electric heating wire and the dynamic mixing cabin, when the blending type flame-retardant polyester flame retardant additive device is used for feeding molten PET sent by the final polycondensation unit into the dynamic mixing cabin of the double-screw type dynamic mixing device for dynamic mixing, the second electric heating tube is powered on through the power line, the temperature outside the electric heating wire at the inner side of the second electric heating tube rises, the outside of the dynamic mixing cabin is heated, so that the temperature inside the dynamic mixing cabin correspondingly rises, the temperature of a product in the dynamic mixing cabin is kept, and the mixing and conveying work of the first auger screw and the second auger screw are facilitated.

Description

Blending type flame-retardant polyester flame retardant adding device
Technical Field
The utility model relates to the technical field of flame retardant adding devices, in particular to a blending type flame retardant polyester flame retardant adding device.
Background
The technical means for realizing flame retardance of the polyester fiber and the fabric mainly comprises 3 types of after-finishing flame retardance of the fabric, polymer blending flame retardance, polymer copolymerization flame retardance and the like, and the flame-retardant polyester is conventionally copolymerized.
Meanwhile, the variety of the copolymerization type flame-retardant polyester is inflexible in changing the variety of the product, and the transition materials are more when the variety is changed in facing the flexible production direction of various, differentiated and functional polyester products. The flame retardant is added after polycondensation, so that the method has no influence on the esterification and polycondensation processes, and the types of flame retardant products can be changed at any time according to the needs, so that the flexibility is high, the technical route is simpler, and the operation cost is low.
Compared with the new polyester material produced by adopting a blending modification mode, the new polyester material produced by adopting the blending modification mode has the advantages of simpler technical route, low operation cost, convenient replacement of product types, less transition materials of the product replacement types and the like, is more suitable for flexible production of multiple types, has wide application scenes, can obviously reduce the production cost of the new material, has good market competitiveness, but in the specific blending processing process, the molten PET sent by a final polycondensation unit is sent to a double-screw type dynamic mixing device and mixed with an additive, and in the dynamic mixing process, the temperature of the product is gradually reduced due to the processing environment converted by the product, the mixing effect and the discharge rate of the product are influenced, and the temperature difference of the additive and the molten product is larger in the adding process, so that the product processing effect is easy to generate a severe reaction in the mixing device, and the expected difference exists.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a blending type flame-retardant polyester flame retardant adding device, which solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a blending formula flame retardant polyester fire retardant interpolation device, includes fixed plate and dynamic mixing cabin, the outside at the fixed plate is through evenly distributed's No. two connecting plates fixed connection in the dynamic mixing cabin, the top cover in dynamic mixing cabin is equipped with two sets of driving motor, and the inboard movable sleeve in dynamic mixing cabin is equipped with auger screw, no. two auger screw, no. one auger screw, no. two auger screw are respectively with the drive shaft of two sets of driving motor between interrelationship, the outside in dynamic mixing cabin is connected with No. one conveying pipe and No. two conveying pipes, and the outside in dynamic mixing cabin has cup jointed No. two electrothermal tubes, no. one electrothermal tube has been cup jointed to the outside in No. one conveying pipe, fixed mounting has the fuse-element booster pump that is located the dynamic mixing cabin below on the fixed plate, through communicating pipe intercommunication between the bottom in dynamic mixing cabin and the fuse-element.
Further, the outside fixedly connected with power cord of No. two electrothermal tubes, and pass through first connecting plate fixed connection between No. two electrothermal tubes and the fixed plate, be provided with the clearance between No. two electrothermal tubes and the surface of dynamic mixing cabin, and No. two electrothermal tubes's inboard is provided with evenly distributed's heating wire, the in-process of dynamic mixing, no. two electrothermal tubes accessible power cord switch on, the outside temperature rise of the heating wire of No. two electrothermal tubes inboard heats the outside of dynamic mixing cabin.
Further, the inside of electrothermal tube No. one is provided with evenly distributed's heating wire, and No. two electrothermal tubes are supplied power for electrothermal tube No. one through the connecting wire when working for the inboard heating wire temperature of electrothermal tube No. one risees, heats the outside of conveying pipe No. one, makes the inside temperature of conveying pipe No. one rise, and the additive preheats under the effect of conveying pipe No. one through the in-process of conveying pipe No. one.
Further, the first auger screw and the second auger screw are symmetrically distributed at the inner side of the dynamic mixing cabin, the first auger screw and the second auger screw relatively rotate when in operation, and after the two groups of driving motors are started, the first auger screw and the second auger screw at the inner side of the dynamic mixing cabin can be driven to rotate in opposite directions through driving shafts of the two groups of driving motors respectively, and the first auger screw and the second auger screw which rotate in opposite directions drive raw materials of products to be dynamically mixed.
Further, the position of the auger screw rod is corresponding to the position of the communicating pipe, the bottom end of the auger screw rod extends to the inside of the communicating pipe, a product after mixing is input into the communicating pipe through the auger screw rod, and meanwhile, the melt booster pump works and cooperates with the communicating pipe to output the product after processing.
Further, the outside of a conveying pipe and No. two conveying pipes is provided with flange, and is movable through the bearing that can deflect between a conveying pipe, no. two conveying pipes and the dynamic mixing cabin, and a conveying pipe and No. two conveying pipe outside flange can be convenient for the dynamic mixing cabin and raw materials pipeline and the additive pipeline between be connected fixedly.
Further, the length value of the first feeding pipe is larger than that of the second feeding pipe, the first electric heating pipe is sleeved at the middle section of the first feeding pipe, the length value of the first feeding pipe is longer, the additive is guaranteed to have a certain conveying time in the first feeding pipe, and the first electric heating pipe can conveniently heat the first feeding pipe.
The utility model provides a blending type flame-retardant polyester flame retardant adding device, which has the following beneficial effects:
1. according to the blending type flame-retardant polyester flame retardant adding device, through the cooperation of the power line, the second electric heating tube and the electric heating wire and the dynamic mixing cabin, when the melt PET sent by the final polycondensation unit is sent into the dynamic mixing cabin of the double-screw type dynamic mixing device for dynamic mixing, the second electric heating tube is powered on through the power line, the temperature of the outer part of the electric heating wire at the inner side of the second electric heating tube rises, the outer part of the dynamic mixing cabin is heated, so that the temperature of the inner part of the dynamic mixing cabin correspondingly rises, the temperature of a product in the dynamic mixing cabin is kept, the mixing and conveying work of the first auger screw and the second auger screw are facilitated, and the processing effect and the output product quality of the blending type flame-retardant polyester flame retardant adding device are ensured.
2. The blending type flame-retardant polyester flame retardant additive device is matched with the first electric heating tube and the electric heating wire and the first feeding tube to be used, so that when the blending type flame-retardant polyester flame retardant additive device is in operation, additives are conveyed into the dynamic mixing cabin through the first feeding tube, the second electric heating tube is powered for the first electric heating tube through the connecting wire while in operation, the temperature of the electric heating wire on the inner side of the first electric heating tube is increased, the outside of the first feeding tube is heated, the temperature inside the first feeding tube is increased, the additives are preheated under the action of the first feeding tube in the process of passing through the first feeding tube, the temperature difference between the additives and molten product raw materials after entering the dynamic mixing cabin is reduced, severe reaction is avoided, and the safety in the operation process of the blending type flame-retardant polyester flame retardant additive device is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the front face of the present utility model;
FIG. 3 is a schematic diagram of a side structure of the present utility model;
FIG. 4 is a schematic view of the structure of the interior of the dynamic mixing chamber of the present utility model;
FIG. 5 is a schematic view of the exterior of the first and second electrical heating tubes according to the present utility model;
fig. 6 is a schematic structural diagram of the bottom of the first electric heating tube of the present utility model.
In the figure: 1. a fixing plate; 2. a dynamic mixing cabin; 3. a melt booster pump; 4. a communicating pipe; 5. a power line; 6. a first feeding pipe; 7. a second feeding pipe; 8. a driving motor; 9. a first electric heating tube; 10. a first connection plate; 11. a second connecting plate; 12. a second electric heating tube; 13. a first auger screw; 14. a second auger screw; 15. a connecting wire; 16. heating wire.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a blending type flame retardant polyester fire retardant adds device, including fixed plate 1 and dynamic mixing cabin 2, dynamic mixing cabin 2 passes through evenly distributed's No. two connecting plates 11 fixed connection in the outside of fixed plate 1, dynamic mixing cabin 2's top cover is equipped with two sets of driving motor 8, and dynamic mixing cabin 2's inboard movable sleeve is equipped with No. one auger screw 13, no. two auger screws 14, no. one auger screw 13, no. two auger screws 14 are respectively with the drive shaft of two sets of driving motor 8 between interrelation, no. one auger screw 13 and No. two auger screws 14 are in dynamic mixing cabin 2's inboard symmetric distribution, no. one auger screw 13, no. two auger screws 14 are rotated in opposite directions through its drive shaft drive dynamic mixing cabin 2 inboard respectively after the start-up, and No. one auger screw 13, no. two auger screws 14 are rotated in opposite directions when working, no. one auger screw 13, no. two auger screws 14 drive the raw materials of product and carry out dynamic mixing.
The outside of the dynamic mixing chamber 2 is connected with a feeding pipe 6 and a second feeding pipe 7, the outside of the dynamic mixing chamber 2 is sleeved with a second electric heating pipe 12, the outside of the first feeding pipe 6 and the second feeding pipe 7 is provided with a connecting flange, the flange outside the first feeding pipe 6 and the second feeding pipe 7 can facilitate the connection and fixation between the dynamic mixing chamber 2 and a raw material pipeline and an additive pipeline, the first feeding pipe 6, the second feeding pipe 7 and the dynamic mixing chamber 2 are movable through deflectable bearings, the bearings between the first feeding pipe 6, the second feeding pipe 7 and the dynamic mixing chamber 2 enable the bearings to deflect to a certain extent, connection adjustment between pipelines is facilitated, the length value of the first feeding pipe 6 is larger than that of the second feeding pipe 7, the length value of the first feeding pipe 6 is longer, the additive can be guaranteed to have a certain conveying time in the first feeding pipe 6, the electric heating pipe 9 is convenient to heat the first feeding pipe 6 through the deflectable bearings, and therefore the additive can be guaranteed to have a certain temperature when entering the dynamic mixing chamber 2.
Referring to fig. 3 to 6, the power cord 5 is fixedly connected to the outside of the No. two electric heating tube 12, and the No. two electric heating tube 12 is fixedly connected to the fixing plate 1 through the first connecting plate 10, in the process of dynamic mixing, the No. two electric heating tube 12 can be powered on through the power cord 5, the temperature of the outside of the electric heating wire 16 inside the No. two electric heating tube 12 rises, a gap is provided between the No. two electric heating tube 12 and the outer surface of the dynamic mixing cabin 2, and the electric heating wire 16 which is uniformly distributed is arranged inside the No. two electric heating tube 12 to heat the outside of the dynamic mixing cabin 2, so that the temperature inside the dynamic mixing cabin 2 rises correspondingly, and the temperature of the product in the dynamic mixing cabin 2 is kept.
The outside of conveying pipe 6 has cup jointed No. one electrothermal tube 9, through evenly distributed's stand fixed connection between No. one electrothermal tube 9 and the dynamic mixing cabin 2, no. two electrothermal tubes 12 work and supply power for No. one electrothermal tube 9 through connecting wire 15 simultaneously, make the inside heating wire 16 of No. one electrothermal tube 9 rise in temperature, heat the outside of conveying pipe 6, through connecting wire 15 electric connection between No. one electrothermal tube 9 and No. two electrothermal tubes 12, no. one electrothermal tube 9's inboard is provided with evenly distributed's heating wire 16, make the inside temperature rise of conveying pipe 6, the additive preheats under the effect of conveying pipe 6 No. one in the in-process of conveying pipe 6, reduce the temperature difference between the inside back of additive entering dynamic mixing cabin 2 and the molten product raw materials.
The fixed plate 1 is fixedly provided with a melt booster pump 3 positioned below the dynamic mixing cabin 2, the bottom end of the dynamic mixing cabin 2 is communicated with the melt booster pump 3 through a communicating pipe 4, the position of a first auger screw 13 corresponds to the position of the communicating pipe 4, a product after mixing is input into the communicating pipe 4 through the first auger screw 13, the bottom end of the first auger screw 13 extends to the inside of the communicating pipe 4, and meanwhile, the melt booster pump 3 works and cooperates with the communicating pipe 4 to output the product after processing.
In summary, when the blending type flame-retardant polyester flame retardant adding device is used, molten PET sent by a final polycondensation unit is sent into a dynamic mixing cabin 2 through a second feeding pipe 7 to be dynamically mixed, two groups of driving motors 8 are started and respectively drive a first auger screw 13 and a second auger screw 14 on the inner side of the dynamic mixing cabin 2 to rotate in opposite directions through driving shafts of the two groups of driving motors, the first auger screw 13 and the second auger screw 14 which rotate in opposite directions drive raw materials of a product to be dynamically mixed, in the dynamic mixing process, a second electric heating pipe 12 is connected with a power supply through a power wire 5, the temperature of the outer part of an electric heating wire 16 on the inner side of the second electric heating pipe 12 rises to heat the outer part of the dynamic mixing cabin 2, so that the temperature in the dynamic mixing cabin 2 correspondingly rises to keep the temperature of the product in the dynamic mixing cabin 2, the additive is synchronously conveyed into the dynamic mixing cabin 2 through the first conveying pipe 6, the second electric heating pipe 12 supplies power to the first electric heating pipe 9 through the connecting wire 15 while working, so that the temperature of the electric heating wire 16 at the inner side of the first electric heating pipe 9 is increased, the outer part of the first conveying pipe 6 is heated, the temperature of the inner part of the first conveying pipe 6 is increased, the additive is preheated under the action of the first conveying pipe 6 in the process of passing through the first conveying pipe 6, the temperature difference between the additive entering the inner part of the dynamic mixing cabin 2 and the molten product raw material is reduced, the additive is mixed with the product raw material under the action of the first auger screw 13 and the second auger screw 14 after entering the dynamic mixing cabin 2, the mixed product is input into the communicating pipe 4 through the first auger screw 13, the melt booster pump 3 works and cooperates with the communicating pipe 4 to output the processed product, the working process of the whole blending type flame-retardant polyester flame retardant adding device is completed.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a blending formula flame retardant polyester fire retardant adds device, includes fixed plate (1) and dynamic mixing cabin (2), dynamic mixing cabin (2) are through evenly distributed's No. two connecting plates (11) fixed connection in the outside of fixed plate (1), its characterized in that: the top cover of dynamic mixing cabin (2) is equipped with two sets of driving motor (8), and the inboard movable sleeve of dynamic mixing cabin (2) is equipped with auger screw (13), no. two auger screw (14), interrelated between auger screw (13), no. two auger screw (14) and the drive shaft of two sets of driving motor (8) respectively, the external connection of dynamic mixing cabin (2) has No. one conveying pipe (6) and No. two conveying pipes (7), and the outside of dynamic mixing cabin (2) has cup jointed No. two electrothermal tubes (12), the outside of No. one conveying pipe (6) has cup jointed electrothermal tube (9), fixed mounting has fuse-element booster pump (3) that are located dynamic mixing cabin (2) below on fixed plate (1), communicate through communicating pipe (4) between the bottom of dynamic mixing cabin (2) and fuse-element booster pump (3).
2. The blending type flame retardant polyester flame retardant adding device according to claim 1, wherein: the outside fixedly connected with power cord (5) of No. two electrothermal tubes (12), and pass through first connecting plate (10) fixed connection between No. two electrothermal tubes (12) and fixed plate (1), be provided with the clearance between the surface of No. two electrothermal tubes (12) and dynamic mixing cabin (2), and the inboard of No. two electrothermal tubes (12) is provided with evenly distributed's heating wire (16).
3. The blending type flame retardant polyester flame retardant adding device according to claim 2, wherein: the electric heating tube (9) is fixedly connected with the dynamic mixing cabin (2) through uniformly distributed upright posts, the electric heating tube (9) is electrically connected with the electric heating tube (12) through connecting wires (15), and uniformly distributed electric heating wires (16) are arranged on the inner side of the electric heating tube (9).
4. The blending type flame retardant polyester flame retardant adding device according to claim 1, wherein: the first auger screw (13) and the second auger screw (14) are symmetrically distributed at the inner side of the dynamic mixing cabin (2), and the first auger screw (13) and the second auger screw (14) relatively rotate when working.
5. The blending type flame retardant polyester flame retardant adding device according to claim 1, wherein: the position of the first auger screw (13) corresponds to the position of the communicating pipe (4), and the bottom end of the first auger screw (13) extends to the inside of the communicating pipe (4).
6. The blending type flame retardant polyester flame retardant adding device according to claim 1, wherein: the outside of a feed pipe (6) and a feed pipe (7) is provided with a connecting flange, and the feed pipe (6), the feed pipe (7) and the dynamic mixing cabin (2) are movable through a deflectable bearing.
7. The blending type flame retardant polyester flame retardant adding device according to claim 6, wherein: the length value of the first feeding pipe (6) is larger than that of the second feeding pipe (7), and the first electric heating pipe (9) is sleeved at the middle section of the first feeding pipe (6).
CN202320164946.6U 2023-02-09 2023-02-09 Blending type flame-retardant polyester flame retardant adding device Active CN219404916U (en)

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Application Number Priority Date Filing Date Title
CN202320164946.6U CN219404916U (en) 2023-02-09 2023-02-09 Blending type flame-retardant polyester flame retardant adding device

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Application Number Priority Date Filing Date Title
CN202320164946.6U CN219404916U (en) 2023-02-09 2023-02-09 Blending type flame-retardant polyester flame retardant adding device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117507175A (en) * 2024-01-05 2024-02-06 江苏新视界先进功能纤维创新中心有限公司 Flame-retardant polyester preparation equipment with flame retardant preheating function
CN117754755A (en) * 2024-01-05 2024-03-26 江苏新视界先进功能纤维创新中心有限公司 Preparation method of flame-retardant polyester based on temperature control
CN117754758A (en) * 2024-01-05 2024-03-26 江苏新视界先进功能纤维创新中心有限公司 Flame-retardant polyester preparation blending device
CN117754754A (en) * 2024-01-05 2024-03-26 江苏新视界先进功能纤维创新中心有限公司 Blending method of flame-retardant polyester

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117507175A (en) * 2024-01-05 2024-02-06 江苏新视界先进功能纤维创新中心有限公司 Flame-retardant polyester preparation equipment with flame retardant preheating function
CN117754755A (en) * 2024-01-05 2024-03-26 江苏新视界先进功能纤维创新中心有限公司 Preparation method of flame-retardant polyester based on temperature control
CN117754758A (en) * 2024-01-05 2024-03-26 江苏新视界先进功能纤维创新中心有限公司 Flame-retardant polyester preparation blending device
CN117754754A (en) * 2024-01-05 2024-03-26 江苏新视界先进功能纤维创新中心有限公司 Blending method of flame-retardant polyester
CN117507175B (en) * 2024-01-05 2024-04-23 江苏新视界先进功能纤维创新中心有限公司 Flame-retardant polyester preparation equipment with flame retardant preheating function

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