CN220882992U - Drying device is used in production of PET polyester granule - Google Patents
Drying device is used in production of PET polyester granule Download PDFInfo
- Publication number
- CN220882992U CN220882992U CN202322818459.XU CN202322818459U CN220882992U CN 220882992 U CN220882992 U CN 220882992U CN 202322818459 U CN202322818459 U CN 202322818459U CN 220882992 U CN220882992 U CN 220882992U
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- China
- Prior art keywords
- drying
- drying cylinder
- box
- thermal cycle
- blower
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001035 drying Methods 0.000 title claims abstract description 78
- 229920000728 polyester Polymers 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000008187 granular material Substances 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 abstract description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 12
- 239000005020 polyethylene terephthalate Substances 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a drying device for PET polyester particle production, which comprises a mounting frame, wherein a drying cylinder is rotatably arranged in the mounting frame, and a thermal cycle drying mechanism is arranged at the top end of the mounting frame; the middle part of the outer wall of the drying cylinder is hinged with a feeding and discharging door, three baffles are connected to the inner wall of the drying cylinder and positioned right above the feeding and discharging door, and material blocking net plates are connected to the two ends of the inner wall of the drying cylinder and positioned at the baffles; the thermal cycle drying mechanism comprises a heating box, a thermal cycle box, a blower, a cycle air inlet pipe, an exhaust pipe, an air conveying pipe, a heating wire, a porous plate and an exhaust outlet, wherein the heating box, the thermal cycle box and the blower are installed at the top end of the installation frame, and the blower is installed between the heating box and the thermal cycle box. The utility model can recycle the waste heat after drying, save energy consumption, reduce heat loss, greatly improve the drying efficiency and facilitate feeding and discharging.
Description
Technical Field
The utility model relates to the field of PET (polyethylene terephthalate) polyester particle production, in particular to a drying device for PET polyester particle production.
Background
Polyester is a fibrous material. The polymers obtained by polycondensation of a polyhydric alcohol and a polybasic acid are collectively referred to as "polymers". Mainly polyethylene terephthalate (PET), and conventionally includes polybutylene terephthalate (PBT) and polyarylate isophthalate thermoplastic resins. Is engineering plastic with excellent performance and wide application. Can also be made into polyester fiber and polyester film.
In the production process of PET polyester particles, the processes of banburying, extruding, granulating, cooling, collecting and the like are carried out, wherein drying after cleaning of the raw materials in the earlier stage and drying after water cooling are all needed to be carried out by using a drying device, the existing drying equipment is used for directly drying the PET polyester particles through hot air drying or drying, and the waste heat of drying or hot air drying is not recycled, so that the power consumption is higher, and the drying efficiency is low.
Disclosure of utility model
The present utility model aims to provide a drying apparatus for PET polyester pellet production which overcomes or at least partially solves the above problems.
In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:
The utility model provides a drying device for PET polyester particle production, which comprises a mounting frame, wherein a drying cylinder is rotatably arranged in the mounting frame, and a thermal cycle drying mechanism is arranged at the top end of the mounting frame;
The middle part of the outer wall of the drying cylinder is hinged with a feeding and discharging door, three baffles are connected to the inner wall of the drying cylinder and positioned right above the feeding and discharging door, and material blocking net plates are connected to the two ends of the inner wall of the drying cylinder and positioned at the baffles;
The utility model provides a thermal cycle drying mechanism includes heating cabinet, thermal cycle case, air-blower, circulation air-supply line, exhaust pipe, air-delivery line, heater strip, perforated plate and air exit, heating cabinet, thermal cycle case and air-blower are installed on the top of installing the frame, and wherein the air-blower is installed between heating cabinet and thermal cycle case, the air outlet and the heating cabinet one end intercommunication of air-blower, the other end intercommunication of heating cabinet has the air-delivery line, the other end and the one end of drying cylinder of air-delivery line rotate to be connected, the multiunit heater strip is installed to the inside of heating cabinet and the position that is close to the air-supply line, the multiunit perforated plate is installed to the inside of heating cabinet and the position that is close to the air-delivery line, the air intake intercommunication of air-blower has the circulation air-supply line, the circulation air-supply line middle part sets up in the thermal cycle incasement, and outside the thermal cycle case is worn out to the end, thermal cycle case one end intercommunication has the exhaust pipe, the other end and the one end of drying cylinder rotate to be connected, the thermal cycle case other end is provided with the air exit.
As a further scheme of the utility model, the outer wall of the drying cylinder is fixedly sleeved with two symmetrical first gears, the installation frame is rotationally provided with a rotating shaft, the outer wall of the rotating shaft is fixedly provided with second gears at the positions meshed with the first gears, the outer side wall of the installation frame is provided with a motor, and the output end of the motor is connected with one end of the rotating shaft.
As a further scheme of the utility model, a plurality of moving wheels are arranged at the bottom end of the mounting frame.
As a further scheme of the utility model, an insulation layer is arranged inside the drying cylinder shell.
As a further scheme of the utility model, the middle part of the drying cylinder is of a columnar structure, and two ends of the drying cylinder are of a conical structure.
The utility model provides a drying device for PET polyester particle production, which has the beneficial effects that:
1. Through controlling the dry section of thick bamboo at uniform velocity rotation, the raw materials that is located three baffles, when slowly rotating to the highest position, can free fall from above, cyclic reciprocation, start the air-blower, power on heating for the heater strip, the wind of air-blower, blow the heater box and form hot-blast through the heater strip heating, the hot-blast passes through the perforated plate and in the defeated tuber pipe blows the dry section of thick bamboo, weather the raw materials that falls freely, cyclic reciprocation, hot-blast flows into the exhaust pipe through dry section of thick bamboo one end, enter into the thermal cycle incasement, can preheat the circulation air-supply line, make external air enter into the air-blower through the circulation air-supply line in, certain temperature has risen, thereby recycled to the waste heat has carried out, the energy consumption has been saved, and the efficiency of drying has obtained very big promotion moreover.
2. Through having set up the perforated plate, can let wind speed reduction, make it improve the temperature in the heating cabinet to have better drying effect, through having set up the fender material otter board, can prevent that the raw materials from blowing to dry section of thick bamboo both ends.
3. Only need control the drying cylinder and rotate for the business turn over bin gate is upwards perpendicularly or vertically down, just can conveniently advance the ejection of compact, through being provided with the heat preservation in the inside of drying cylinder casing, reduces the heat and runs off, saves the energy consumption.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a partial structure of the present utility model.
Fig. 3 is a schematic view of a partial structure of a drying cylinder according to the present utility model.
FIG. 4 is a schematic perspective view of a porous plate according to the present utility model.
In the figure: 1. a mounting frame; 2. a drying cylinder; 3. a feeding and discharging door; 4. a baffle; 5. a material blocking screen plate; 6. a heating box; 7. a thermal circulation tank; 8. a blower; 9. a circulating air inlet pipe; 10. an exhaust pipe; 11. an air delivery pipe; 12. a heating wire; 13. a porous plate; 14. an air outlet; 15. a first gear; 16. a second gear; 17. a rotating shaft; 18. a motor; 19. a moving wheel; 20. and a heat preservation layer.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1-4, the drying device for producing PET polyester particles provided by the embodiment of the utility model comprises a mounting frame 1, wherein a drying cylinder 2 is rotatably arranged in the mounting frame 1, and a thermal cycle drying mechanism is arranged at the top end of the mounting frame 1;
the middle part of the outer wall of the drying cylinder 2 is hinged with a feeding and discharging door 3, the inner wall of the drying cylinder 2 and positioned right above the feeding and discharging door 3 are connected with three baffles 4, and the two ends of the inner wall of the drying cylinder 2 and positioned at the baffles 4 are connected with a material blocking screen 5;
The thermal cycle drying mechanism includes heating cabinet 6, thermal cycle case 7, air-blower 8, circulation air-supply line 9, exhaust pipe 10, defeated tuber pipe 11, heater strip 12, perforated plate 13 and air exit 14, heating cabinet 6 is installed on the top of installing frame 1, thermal cycle case 7 and air-blower 8, wherein air-blower 8 installs between heating cabinet 6 and thermal cycle case 7, the air outlet and the heating cabinet 6 one end intercommunication of air-blower 8, the other end intercommunication of heating cabinet 6 has defeated tuber pipe 11, the other end and the one end rotation of dry section of thick bamboo 2 of defeated tuber pipe 11 are connected, multiunit heater strip 12 is installed to the inside of heating cabinet 6 and the position that is close to the air outlet of air-blower 8, multiunit perforated plate 13 is installed to the inside of heating cabinet 6 and the position that is close to defeated tuber pipe 11, the air intake intercommunication of air-blower 8 has circulation air-supply line 9, the middle part sets up in thermal cycle case 7, and outside the end worn out thermal cycle case 7, thermal cycle case 7 one end intercommunication has pipe 10, the other end and the one end rotation of dry section of thick bamboo 2 of exhaust pipe 10 are connected, the other end of thermal cycle case 7 is provided with the air exit 14.
As shown in fig. 1 and 2, the outer wall of the drying cylinder 2 is fixedly sleeved with two symmetrical first gears 15, a rotating shaft 17 is rotatably installed in the installation frame 1, a second gear 16 is fixedly installed at the position, meshed with the first gears 15, of the outer wall of the rotating shaft 17, a motor 18 is installed on the outer side wall of the installation frame 1, the output end of the motor 18 is connected with one end of the rotating shaft 17, the rotating shaft 17 and the second gear 16 are driven to rotate through the starting motor 18, and then the first gears 15 meshed with the second gears 16 are driven to rotate, so that the drying cylinder 2 can be driven to rotate finally.
In the process of feeding, the utility model controls the drying cylinder 2 to rotate, so that the feeding door 3 is vertically upwards, the feeding door 3 is opened, the drying cylinder 2 is charged, after charging is finished, the feeding door 3 is closed, the drying cylinder 2 is controlled to rotate at a constant speed, three baffles 4 are arranged in the drying cylinder 2, raw materials in the three baffles 4 slowly rotate to the highest position and can freely fall from the upper surface, the blower 8 is started to circularly reciprocate, the heating wire 12 is electrified and heated, the air of the blower 8 is blown into the heating box 6 to heat the heating wire 12 to form hot air, the hot air is blown into the drying cylinder 2 through the porous plate 13 and the air delivery pipe 11, the porous plate 13 can reduce the speed of the air, the temperature of the air is increased in the heating box 6, thereby have better drying effect, weather the raw materials of free fall, cyclic reciprocation, keep off setting up of material otter board 5 can prevent that the raw materials from blowing up dry section of thick bamboo 2 both ends, hot-blast inflow to exhaust pipe 10 through dry section of thick bamboo 2 one end, enter into thermal cycle case 7 in, can preheat circulation air-supply line 9, make external air enter into in the air-blower 8 through circulation air-supply line 9, certain temperature has risen, thereby reuse waste heat, the energy consumption has been saved, and dry efficiency has obtained very big promotion moreover, when drying finishes, control dry section of thick bamboo 2 rotates, make feed gate 3 vertical downward, open feed gate 3, directly discharge, the operation is very convenient.
As shown in fig. 1, a plurality of moving wheels 19 are installed at the bottom end of the installation frame 1 to facilitate movement of the drying device.
As shown in fig. 3, the heat insulation layer 20 is arranged inside the shell of the drying cylinder 2, so that heat loss is reduced, and energy consumption is saved.
As shown in fig. 1 and 2, the middle part of the drying cylinder 2 is in a columnar structure, and two ends of the drying cylinder are in a conical structure.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (5)
1. The drying device for producing PET polyester particles comprises a mounting frame (1), and is characterized in that a drying cylinder (2) is rotatably arranged in the mounting frame (1), and a thermal cycle drying mechanism is arranged at the top end of the mounting frame (1);
The middle part of the outer wall of the drying cylinder (2) is hinged with a feeding and discharging door (3), three baffles (4) are connected to the inner wall of the drying cylinder (2) and right above the feeding and discharging door (3), and material blocking net plates (5) are connected to the two ends of the inner wall of the drying cylinder (2) and located at the baffles (4);
The thermal cycle drying mechanism comprises a heating box (6), a thermal cycle box (7), a blower (8), a cycle air inlet pipe (9), an exhaust pipe (10), an air delivery pipe (11), a heating wire (12), a porous plate (13) and an exhaust outlet (14), wherein the heating box (6), the thermal cycle box (7) and the blower (8) are arranged at the top end of the mounting box (1), the blower (8) is arranged between the heating box (6) and the thermal cycle box (7), the air outlet of the blower (8) is communicated with one end of the heating box (6), the other end of the heating box (6) is communicated with the air delivery pipe (11), the other end of the air delivery pipe (11) is rotationally connected with one end of the drying cylinder (2), a plurality of groups of heating wires (12) are arranged inside the heating box (6) and at positions close to the air outlet of the blower (8), a plurality of groups of heating wires (8) are arranged inside the heating box (6) and at positions close to the air delivery pipe (11), the air inlet of the blower (8) is communicated with the cycle air inlet pipe (9), the middle part (9) is arranged at the inner end of the cycle air inlet pipe (7) and is communicated with the other end of the thermal cycle pipe (7), the other end of the exhaust pipe (10) is rotationally connected with one end of the drying cylinder (2), and an exhaust outlet (14) is arranged at the other end of the thermal circulation box (7).
2. The drying device for producing PET polyester particles according to claim 1, wherein two symmetrical first gears (15) are fixedly sleeved on the outer wall of the drying cylinder (2), a rotating shaft (17) is rotatably installed in the installation frame (1), second gears (16) are fixedly installed on the outer wall of the rotating shaft (17) and meshed with the first gears (15), a motor (18) is installed on the outer side wall of the installation frame (1), and the output end of the motor (18) is connected with one end of the rotating shaft (17).
3. The drying device for producing PET polyester pellets according to claim 1, characterized in that a plurality of moving wheels (19) are mounted at the bottom end of the mounting frame (1).
4. The drying device for producing PET polyester pellets according to claim 1, wherein an insulation layer (20) is provided inside the drying cylinder (2) housing.
5. The drying device for producing PET polyester particles according to claim 1, wherein the middle part of the drying cylinder (2) is of a columnar structure, and two ends of the drying cylinder are of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322818459.XU CN220882992U (en) | 2023-10-19 | 2023-10-19 | Drying device is used in production of PET polyester granule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322818459.XU CN220882992U (en) | 2023-10-19 | 2023-10-19 | Drying device is used in production of PET polyester granule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220882992U true CN220882992U (en) | 2024-05-03 |
Family
ID=90841438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322818459.XU Active CN220882992U (en) | 2023-10-19 | 2023-10-19 | Drying device is used in production of PET polyester granule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220882992U (en) |
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2023
- 2023-10-19 CN CN202322818459.XU patent/CN220882992U/en active Active
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