CN216935961U - Solid phase polycondensation cooling system with compounding function - Google Patents

Abstract

The utility model relates to a solid-phase polycondensation cooling system with a material mixing function, which comprises a cooling fluidized bed, a material mixing and feeding assembly, a dust removal assembly, a fan and a cooler, wherein the cooling fluidized bed is provided with a feeding hole, a discharging hole, a gas outlet and a gas inlet, the feeding hole comprises a first feeding hole and a second feeding hole, the first feeding hole is used for inputting production slices subjected to solid-phase polycondensation, the second feeding hole is used for inputting slices to be mixed, the second feeding hole is communicated with an outlet of the material mixing and feeding assembly, the discharging hole is used for outputting finished product slices subjected to material mixing, the gas outlet is communicated with an inlet of the dust removal assembly, an outlet of the dust removal assembly is communicated with an inlet of the fan, an outlet of the fan is communicated with an inlet of the cooler, and an outlet of the cooler is communicated with the gas inlet. According to the utility model, by arranging the material mixing and feeding assembly, material mixing is simultaneously carried out in the cooling system, the production efficiency is improved, the mixing uniformity is ensured, the quality of finished product slices after material mixing is improved, and the structure is simple.

Description

Solid phase polycondensation cooling system with compounding function

Technical Field

The utility model belongs to the technical field of solid-phase polycondensation devices, and particularly relates to a solid-phase polycondensation cooling system with a material mixing function.

Background

In the solid phase polycondensation production process, the solid phase polycondensation apparatus generally includes a crystallization system, a preheating system, a thermal state conveying system, a cooling system, and a finished product conveying system. The cooling system is mainly used for cooling the polyester chips obtained by reaction in the solid-phase polycondensation reactor and conveying the cooled polyester chips to a dry chip storage bin of the finished product conveying system. The main part of the cooling system is a cooling fluidized bed, the cooling fluidized bed can rapidly reduce the temperature of the polyester chips, effectively stop the polymerization reaction process among the polyester chips and enable the material characteristics to tend to be stable.

At present, a common solid phase polycondensation device is usually only used as a solid phase tackifying device for producing high-viscosity slices, and cannot simultaneously carry out mixing operation, so that the mixing requirement cannot be met. In order to realize the material mixing function of the solid phase polycondensation device and improve the diversification of the function, a finished product conveying system can be transformed, the material is mixed in the finished product conveying system, namely, a material mixing section raw material receiving barrel is arranged in a second floor feeding area, the material to be mixed is sucked into a dry slice storage bin by a suction machine in a time-sharing manner, and the dry slice storage bin is mixed with the production slices cooled by a cooling system. However, because dry slice storage silo is only used for storing the slice usually, can't stir in mixing process, and the inspiratory section of waiting to mix of auto sucking machine timesharing can't fully and evenly mix with the production section, consequently, carries to transform to the finished product and makes it have the compounding function and still have certain limitation.

Disclosure of Invention

The utility model aims to provide a solid-phase polycondensation cooling system with a material mixing function, which is used for solving the problems that the existing cooling system cannot mix materials and the like.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a solid phase polycondensation cooling system with a material mixing function comprises a cooling fluidized bed, a material mixing feeding component, a dust removing component, a fan and a cooler, wherein the cooling fluidized bed is provided with a feeding hole, a discharging hole, a gas outlet and a gas inlet, the feeding hole of the cooling fluidized bed comprises a first feeding hole and a second feeding hole, the first feeding hole is used for inputting production slices after solid phase polycondensation reaction, the second feeding hole is used for inputting slices to be mixed, the second feeding hole is communicated with an outlet of the material mixing feeding component, the discharging hole of the cooling fluidized bed is used for outputting finished product slices after material mixing is completed, the gas outlet of the cooling fluidized bed is communicated with an inlet of the dust removing component, an outlet of the dust removing component is communicated with an inlet of the fan, and an outlet of the fan is communicated with an inlet of the cooler, the outlet of the cooler is communicated with the air inlet of the cooling fluidized bed.

Preferably, the mixing and feeding assembly comprises a mixing storage part, a suction machine and a mixing conveyor, an outlet of the mixing storage part is communicated with an inlet of the suction machine, an outlet of the suction machine is communicated with an inlet of the mixing conveyor, and an outlet of the mixing conveyor is communicated with the second feeding hole of the cooling fluidized bed. The mixing conveyor can control the mixing speed, the mixing proportion is controllable and adjustable, the applicability is improved, and meanwhile, the mixing conveyor can seal and maintain the pressure of the whole system.

Further preferably, the mixing conveyor comprises a first mixing conveyor and a second mixing conveyor, an inlet of the first mixing conveyor is communicated with an outlet of the suction machine, an outlet of the first mixing conveyor is communicated with an inlet of the second mixing conveyor through a mixing pipeline, and an outlet of the second mixing conveyor is communicated with the second feed inlet of the cooling fluidized bed.

Further preferably, the first mixing conveyor and the second mixing conveyor are both rotary valve conveyors.

Further preferably, the mixing and feeding assembly further comprises a purging piece, the purging piece is arranged on the mixing pipeline, and the purging piece is used for dredging the mixing pipeline to prevent the mixing pipeline from being blocked.

Preferably, the cooling system further comprises a speed reducer, an inlet of the speed reducer is communicated with an outlet of the cooler, and an outlet of the speed reducer is communicated with an air inlet of the cooling fluidized bed.

Further preferably, the speed reducer adopts a pulsating plate speed reducer.

Preferably, the dust removing assembly comprises a cyclone separator and a dust barrel, the cyclone separator is provided with an air inlet, an air outlet and an ash outlet, the air inlet of the cyclone separator is communicated with the air outlet of the cooling fluidized bed, the air outlet of the cyclone separator is communicated with the inlet of the fan, and the ash outlet of the cyclone separator is communicated with the inlet of the dust barrel. Through dust removal subassembly can fully get rid of impurity such as dust that the compounding in-process produced, improve the sliced quality of finished product after the compounding is accomplished.

Preferably, the cooling system further comprises a finished product conveyor, and an inlet of the finished product conveyor is communicated with a discharge hole of the cooling fluidized bed; the finished product conveyor adopts a rotary valve conveyor and is used for providing output power for finished product slices after material mixing is finished.

Preferably, the cooling system further includes a valve assembly, the valve assembly includes a first control valve, a second control valve and a third control valve, the first control valve is disposed at the outlet of the cooling fluidized bed and is used for controlling the opening and closing of the outlet of the cooling fluidized bed, the second control valve is disposed at the outlet of the fan and is used for controlling the opening and closing of the outlet of the fan, and the third control valve is disposed at the outlet of the cooler and is used for controlling the opening and closing of the outlet of the cooler.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the utility model, by arranging the material mixing and feeding assembly, the material mixing operation can be simultaneously carried out when the slices are cooled in the cooling system, the production efficiency is improved, the requirement on the material mixing function is met, the uniformity of mixing is ensured, the quality of finished product slices after material mixing is improved, and the system has a simple structure and is easy to realize.

Drawings

Fig. 1 is a schematic view of the overall configuration of the cooling system of the present embodiment.

In the above drawings: 1. cooling the fluidized bed; 11. a feed inlet; 111. a first feed port; 112. a second feed port; 12. a discharge port; 13. an air outlet; 14. an air inlet; 2. a mixing and feeding assembly; 21. a mixed material storage member; 22. a material suction machine; 23. a mixing conveyor; 231. a first mixing conveyor; 232. a second mixing conveyor; 24. a purging element; 25. a mixing pipeline; 3. a dust removal assembly; 31. a cyclone separator; 32. a dust barrel; 4. a fan; 5. a cooler; 6. a speed reducer; 7. a finished product conveyor; 8. a valve assembly; 81. a first control valve; 82. a second control valve; 83. and a third control valve.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

A solid phase polycondensation cooling system with a material mixing function is shown in figure 1 and comprises a cooling fluidized bed 1, a material mixing and feeding assembly 2, a dust removal assembly 3, a fan 4, a cooler 5, a speed reducer 6, a finished product conveyor 7 and a valve assembly 8, wherein the cooling fluidized bed 1 is communicated with the material mixing and feeding assembly 2, the dust removal assembly 3, the speed reducer 6 and the finished product conveyor 7, the fan 4 is communicated with the dust removal assembly 3 and the cooler 5, the cooler 5 is communicated with the fan 4 and the speed reducer 6, and the valve assembly 8 is arranged among all the parts and used for controlling the opening and closing of all the parts.

The cooling fluidized bed 1 is provided with a feeding hole 11, a discharging hole 12, an air outlet 13 and an air inlet 14, wherein the feeding hole 11 of the cooling fluidized bed 1 is used for inputting production slices and slices to be mixed after solid-phase polycondensation reaction, the discharging hole 12 of the cooling fluidized bed 1 is used for outputting finished product slices after mixing is completed, the air outlet 13 of the cooling fluidized bed 1 is used for discharging impurities such as dust generated in the mixing process, and the air inlet 14 of the cooling fluidized bed 1 is used for providing cooling and mixing air into the cooling fluidized bed 1.

The feed inlet 11 of the cooling fluidized bed 1 comprises a first feed inlet 111 and a second feed inlet 112, the first feed inlet 111 and the second feed inlet 112 are both arranged at the top of the cooling fluidized bed 1, the first feed inlet 111 is used for inputting production slices subjected to solid-phase polycondensation reaction into the cooling fluidized bed 1, the second feed inlet 112 is used for inputting slices to be mixed into the cooling fluidized bed 1, and the second feed inlet 112 is communicated with the outlet of the mixing and feeding component 2.

The mixing and feeding assembly 2 is used for conveying slices to be mixed, the mixing and feeding assembly 2 comprises a mixing storage part 21, a suction machine 22, a mixing conveyor 23 and a purging part 24, an outlet of the mixing storage part 21 is communicated with an inlet of the suction machine 22, an outlet of the suction machine 22 is communicated with an inlet of the mixing conveyor 23, and an outlet of the mixing conveyor 23 is communicated with a second feeding hole 112 of the cooling fluidized bed 1, specifically:

the mixing storage part 21 is used for storing slices to be mixed; the suction machine 22 is used for sucking the slices to be mixed in the mixing storage part 21, and the suction machine 22 can control the suction time and the suction interval time; the mixing conveyor 23 can control the mixing speed, so that the mixing proportion is controllable and adjustable, meanwhile, the mixing conveyor 23 can seal and maintain the pressure of the whole system, the mixing conveyor 23 comprises a first mixing conveyor 231 and a second mixing conveyor 232, the inlet of the first mixing conveyor 231 is communicated with the outlet of the suction machine 22, the outlet of the first mixing conveyor 231 is communicated with the inlet of the second mixing conveyor 232 through a mixing pipeline 25, and the outlet of the second mixing conveyor 232 is communicated with the second feeding hole 112 of the cooling fluidized bed 1; the purging piece 24 is arranged on the mixing pipeline 25, and the purging piece 24 is used for dredging the mixing pipeline 25 and preventing the mixing pipeline from being blocked in the process of conveying the slices to be mixed.

In this embodiment: because the mixing storage part 21, the material suction machine 22 and the cooling fluidized bed 1 are arranged on two floors, the first mixing conveyor 231, the mixing storage part 21 and the material suction machine 22 are positioned on the same floor, and the second mixing conveyor 232 and the cooling fluidized bed 1 are positioned on the same floor, so that the arrangement of the first mixing conveyor 231 and the second mixing conveyor 232 can ensure that the mixing conveyor has sufficient power in the conveying process, and the stability is improved; the first mixing conveyor 231 and the second mixing conveyor 232 are both rotary valve conveyors; purge 24 employs a compressed purge line.

The discharge port 12 of the cooling fluidized bed 1 is used for outputting the finished product slices after the material mixing is finished, the finished product conveyor 7 is arranged at the discharge port 12 of the cooling fluidized bed 1, the inlet of the finished product conveyor 7 is communicated with the discharge port 12 of the cooling fluidized bed 1, the outlet of the finished product conveyor 7 can be communicated with the dry slice storage bin, so that the finished product slices after the material mixing is finished are conveyed and stored in the dry slice storage bin to wait for the next process. In this embodiment: the product conveyor 7 also employs a rotary valve conveyor.

The gas outlet 13 of the cooling fluidized bed 1 is communicated with the inlet of the dust removing component 3, the outlet of the dust removing component 3 is communicated with the inlet of the fan 4, the outlet of the fan 4 is communicated with the inlet of the cooler 5, the outlet of the cooler 5 is communicated with the inlet of the speed reducer 6, and the outlet of the speed reducer 6 is communicated with the gas inlet 14 of the cooling fluidized bed 1, specifically:

dust removal component 3 is used for filtering impurity such as dust that the compounding in-process produced, improves the sliced quality of finished product after the compounding is accomplished. The dust removing assembly 3 comprises a cyclone separator 31 and a dust barrel 32, the cyclone separator 31 is provided with an air inlet, an air outlet and an ash outlet, the air inlet of the cyclone separator 31 is positioned at the side part of the cyclone separator, the air inlet of the cyclone separator 31 is communicated with the air outlet 13 of the cooling fluidized bed 1, namely the air inlet of the cyclone separator 31 forms an inlet of the dust removing assembly 3; the air outlet of the cyclone separator 31 is positioned at the top of the cyclone separator, and the air outlet of the cyclone separator 31 is communicated with the inlet of the fan 4, namely the air outlet of the cyclone separator 31 forms the outlet of the dust removing assembly 3; the dust outlet of the cyclone separator 31 is positioned at the bottom of the cyclone separator, the dust outlet of the cyclone separator 31 is communicated with the inlet of the dust barrel 32, and dust in the dust barrel 32 can be cleaned manually.

The fan 4 is used for providing power for the dust removal component 3 and providing circulating air for the cooler 5, the cooler 5 is used for cooling the circulating air output by the fan 4, and the cooled circulating air blows and cools materials in the fluidized bed 1, so that the production slices and the slices to be mixed after the solid-phase polycondensation reaction are cooled and fully mixed; the speed reducer 6 is used for enabling the finished product slices after the material mixing in the cooling fluidized bed 1 to uniformly and slowly enter the discharge hole 12 of the cooling fluidized bed. In this embodiment: the fan 4 adopts a cooling centrifugal fan, the cooler 5 adopts a cooling water cooler, and the speed reducer 6 adopts a pulsating plate speed reducer.

The valve assembly 8 is used to control opening and closing of each component, and the valve assembly 8 includes a first control valve 81, a second control valve 82, and a third control valve 83. The first control valve 81 is arranged at the gas outlet 13 of the cooling fluidized bed 1, and the first control valve 81 is used for controlling the opening and closing of the gas outlet 13 of the cooling fluidized bed 1; the second control valve 82 is arranged at the outlet of the fan 4, and the second control valve 82 is used for controlling the opening and closing of the outlet of the fan 4; a third control valve 83 is provided at the outlet of the cooler 5, and the third control valve 83 is used to control the opening and closing of the outlet of the cooler 5.

In the working process of the embodiment:

the suction machine 22 sucks the slices to be mixed in the mixing storage part 21 into the mixing conveyor 23, the mixing conveyor 23 controls the blanking speed of the slices to be mixed, and the slices enter the cooling fluidized bed 1 from the second feeding hole 112; meanwhile, the production slices after the solid-phase polycondensation enter the cooling fluidized bed 1 from the first feed port 111; mixing the slices to be mixed with the slices to be produced after the solid-phase polycondensation reaction in the cooling fluidized bed 1, wherein in the mixing process, the generated dust enters the cyclone separator 31 from the air outlet of the cooling fluidized bed 1 for purification, the materials in the cooling fluidized bed 1 are powered by the fan 4, the cooler 5 blows the circulating air quantity cooling drum to cool the materials in the cooling fluidized bed 1, the slices to be mixed and the slices to be produced after the solid-phase polycondensation reaction are fully and uniformly mixed while the slices to be produced after the solid-phase polycondensation reaction in the cooling fluidized bed 1 are cooled, and the finished slices after the mixing are output from the discharge port of the cooling fluidized bed 1 under the action of the finished product conveyor 7. In addition, during the operation of the cooling system, the dust bucket 32 can be cleaned periodically by manual work; if the mixing pipeline 25 is blocked, the purging piece 24 can be opened for purging and dredging.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a solid phase polycondensation cooling system with compounding function which characterized in that: comprises a cooling fluidized bed, a mixing and feeding component, a dust removal component, a fan and a cooler, wherein the cooling fluidized bed is provided with a feeding hole, a discharging hole, an air outlet and an air inlet, the feed inlets of the cooling fluidized bed comprise a first feed inlet and a second feed inlet, the first feed inlet is used for inputting production slices after solid-phase polycondensation reaction, the second feed inlet is used for inputting slices to be mixed and communicated with the outlet of the mixing and feeding component, the discharge hole of the cooling fluidized bed is used for outputting finished product slices after the material mixing is finished, the gas outlet of the cooling fluidized bed is communicated with the inlet of the dust removal component, the outlet of the dust removal assembly is communicated with the inlet of the fan, the outlet of the fan is communicated with the inlet of the cooler, and the outlet of the cooler is communicated with the air inlet of the cooling fluidized bed.

2. The solid-phase polycondensation cooling system with mixing function according to claim 1, characterized in that: the compounding feeding subassembly include compounding storage member, auto sucking machine and compounding conveyer, the export of compounding storage member with the entry intercommunication of auto sucking machine, the export of auto sucking machine with the entry intercommunication of compounding conveyer, the export of compounding conveyer with the second feed inlet intercommunication of cooling fluidized bed.

3. The solid-phase polycondensation cooling system with mixing function according to claim 2, characterized in that: the mixing conveyor comprises a first mixing conveyor and a second mixing conveyor, wherein the inlet of the first mixing conveyor is communicated with the outlet of the material suction machine, the outlet of the first mixing conveyor is communicated with the inlet of the second mixing conveyor through a mixing pipeline, and the outlet of the second mixing conveyor is communicated with the second feed inlet of the cooling fluidized bed.

4. The solid-phase polycondensation cooling system with mixing function according to claim 3, characterized in that: the first mixing conveyer and the second mixing conveyer are both rotary valve conveyers.

5. The solid-phase polycondensation cooling system with the mixing function as set forth in claim 3, wherein: the mixing and feeding assembly further comprises a purging piece, the purging piece is arranged on the mixing pipeline, and the purging piece is used for dredging the mixing pipeline to prevent the mixing pipeline from being blocked.

6. The solid-phase polycondensation cooling system with the mixing function as set forth in claim 1, wherein: the cooling system also comprises a speed reducer, wherein an inlet of the speed reducer is communicated with an outlet of the cooler, and an outlet of the speed reducer is communicated with an air inlet of the cooling fluidized bed.

7. The solid-phase polycondensation cooling system with mixing function according to claim 6, characterized in that: the speed reducer adopts a pulsating plate speed reducer.

8. The solid-phase polycondensation cooling system with the mixing function as set forth in claim 1, wherein: the dust removal component comprises a cyclone separator and a dust barrel, the cyclone separator is provided with an air inlet, an air outlet and an ash outlet, the air inlet of the cyclone separator is communicated with the air outlet of the cooling fluidized bed, the air outlet of the cyclone separator is communicated with the inlet of the fan, and the ash outlet of the cyclone separator is communicated with the inlet of the dust barrel.

9. The solid-phase polycondensation cooling system with the mixing function as set forth in claim 1, wherein: the cooling system also comprises a finished product conveyor, and an inlet of the finished product conveyor is communicated with a discharge hole of the cooling fluidized bed; the finished product conveyor adopts a rotary valve conveyor.

10. The solid-phase polycondensation cooling system with mixing function according to claim 1, characterized in that: the cooling system further comprises a valve assembly, wherein the valve assembly comprises a first control valve, a second control valve and a third control valve, the first control valve is arranged at the air outlet of the cooling fluidized bed and used for controlling the opening and closing of the air outlet of the cooling fluidized bed, the second control valve is arranged at the outlet of the fan and used for controlling the opening and closing of the outlet of the fan, and the third control valve is arranged at the outlet of the cooler and used for controlling the opening and closing of the outlet of the cooler.

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