CN113146880A - Water-soluble polyester slurry discharging system - Google Patents
Water-soluble polyester slurry discharging system Download PDFInfo
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- CN113146880A CN113146880A CN202110470886.6A CN202110470886A CN113146880A CN 113146880 A CN113146880 A CN 113146880A CN 202110470886 A CN202110470886 A CN 202110470886A CN 113146880 A CN113146880 A CN 113146880A
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- water
- soluble polyester
- polyester slurry
- spray
- collecting hopper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
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- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a water-soluble polyester slurry discharging system, which can reduce the radius of water-soluble polyester slurry and control the radius when the liquid water-soluble polyester slurry is dispersed into a plurality of strands after flowing out from a disperser, improve the particle size uniformity after subsequent shearing, and improve the cooling efficiency of cooling the water-soluble polyester slurry into a solid state when a spraying device sprays and cools the columnar water-soluble polyester slurry; meanwhile, the granular water-soluble polyester slurry can be further cooled when being conveyed by a conveying pipeline; after the water is dehydrated by the slicing dehydrator, the water-soluble polyester slurry with large particles is screened by the screening machine, and finally the water-soluble polyester slurry with small particles can be rapidly obtained.
Description
Technical Field
The invention relates to the technical field of waste polyester plastic recycling, in particular to a water-soluble polyester slurry discharging system.
Background
Polyethylene terephthalate (PET) and polytrimethylene terephthalate (PTT) have the characteristics of no smell, no toxicity, light weight, high strength, good air tightness, good transparency and the like, are widely applied to the field of food packaging, and are almost all polyester plastic bottles for packaging products such as carbonated beverages, mineral water, edible oil and the like. The waste polyester plastic bottles can not be spontaneously degraded, and if the waste polyester plastic bottles are not recycled, serious environmental pollution and resource waste can be caused. At present, the water-soluble polyester slurry prepared by recycling waste polyester plastics is increasingly becoming a trend.
The water-soluble polyester slurry is used for sizing the textile yarns, can be dissolved in water at 95 ℃, and does not need other solvents. After the water-soluble polyester slurry is reacted in the reaction kettle, the water-soluble polyester slurry is liquid due to the high temperature in the reaction kettle, so that the water-soluble polyester slurry is cooled by spraying water after flowing out of the reaction kettle and is cut into pieces by a shearing machine for use. However, the cooling effect on the water-soluble polyester slurry is poor in the processing process, and the large-particle water-soluble polyester slurry exists after being sheared by the shearing machine.
Disclosure of Invention
The invention aims to provide a water-soluble polyester slurry discharging system which has the function of conveniently processing liquid water-soluble polyester slurry into small-particle water-soluble polyester slurry.
The technical purpose of the invention is realized by the following technical scheme: a water-soluble polyester slurry discharging system comprises a disperser, a spraying device, a water collecting hopper, a shearing machine, a conveying pipeline, a slice dehydrating machine and a sieving machine, wherein the disperser is used for receiving water-soluble polyester slurry from a discharging port of a reaction kettle and dispersing the water-soluble polyester slurry into a plurality of columnar shapes and then discharging the water-soluble polyester slurry, the spraying device is used for receiving the water-soluble polyester slurry from the disperser and spraying the water-soluble polyester slurry into a solid columnar shape after cooling, the water collecting hopper is used for collecting the sprayed water and the water-soluble polyester slurry, the shearing machine is arranged between the spraying device and the water collecting hopper and is used for chopping the solid columnar water-soluble polyester slurry, the conveying pipeline is communicated with the water collecting hopper, the slice dehydrating machine is communicated with the conveying pipeline and is used for dehydrating, and the sieving machine is used for receiving granular water-soluble polyester slurry from the slice dehydrating machine and is used for sieving large granular water-soluble polyester slurry.
By adopting the technical scheme, when the liquid water-soluble polyester slurry flows out of the disperser and is dispersed into a plurality of strands, the radius of the water-soluble polyester slurry can be reduced and controlled, the size uniformity of the formed particles after subsequent shearing is improved, and the cooling efficiency of cooling the water-soluble polyester slurry into a solid state can be improved when the columnar water-soluble polyester slurry is cooled by spraying by the spraying device; meanwhile, the granular water-soluble polyester slurry can be further cooled when being conveyed by a conveying pipeline; after the water is dehydrated by the slicing dehydrator, the water-soluble polyester slurry with large particles is screened by the screening machine, and finally the water-soluble polyester slurry with small particles can be rapidly obtained.
The invention is further provided with: the deconcentrator is including connecing hopper, a plurality of dispersion pipes that set up side by side and connecing the hopper bottom, spray set is including spraying case, a plurality of setting in spraying case one side and arranging the shower that distributes along vertical direction, a plurality of setting on the shower and arrange the shower head that distributes along the length direction of shower, the lower extreme of dispersion pipe extends to in the spraying case, the water collecting hopper communicates with each other with the spraying bottom of the case portion, the cutter setting is close to the one end that sprays the case at the water collecting hopper.
By adopting the technical scheme, after the liquid water-soluble polyester slurry flows out of the dispersion pipe, the radius of the columnar water-soluble polyester slurry can be controlled, so that the columnar water-soluble polyester slurry is rapidly cooled to be in a solid state during spraying; meanwhile, the arrangement of the plurality of spray pipes and the plurality of spray heads can ensure the rapid cooling of the water-soluble polyester slurry.
The invention is further provided with: the spray box is characterized in that an arc guide box of a guide channel is arranged in the lower end of the spray box, a plurality of strands of fixed columnar water-soluble polyester slurry enter the arc guide box, the other end of the arc guide box extends to one side of a shearing sheet of the shearing machine, the opening size of the guide channel is gradually reduced along the direction close to the shearing machine, a spray head of the spray pipe is obliquely and downwards arranged towards one side of the spray box, which is far away from the spray pipe, and one side of the arc guide box, which is far away from the spray pipe, is fixed on the inner wall of the spray box. .
By adopting the technical scheme, the arrangement of the arc-shaped guide box can ensure that a plurality of strands of columnar water-soluble polyester slurry are uniformly conveyed to the shearing machine to be sheared into granules, and the opening size of the guide channel is gradually reduced along the direction close to the shearing machine, so that the shaking of the solid columnar water-soluble polyester slurry during shearing can be reduced.
The invention is further provided with: the bottom of the water collecting hopper below the shearing machine is provided with a sunken part, the bottom of the sunken part of the water collecting hopper is in contact with the lower surface of the arc-shaped guide box, and the bottom of other areas of the water collecting hopper is lower than the bottom of the sunken part.
Through adopting above-mentioned technical scheme, the setting of depressed part for the water collecting bucket is higher than the bottom in other regions of water collecting bucket in the bottom of depressed part, thereby water flows down from the position that the water collecting bucket corresponds the depressed part, rotates gravitational potential energy for kinetic energy, can improve the velocity of flow of water in pipeline.
The invention is further provided with: the water collecting hopper is provided with a stirrer, and the stirrer of the stirrer extends into the region of the water collecting hopper without the concave part.
Through adopting above-mentioned technical scheme, the setting of agitator can stir the graininess water-soluble polyester thick liquids in aqueous, further improves the cooling effect of graininess water-soluble polyester thick liquids.
The invention is further provided with: the conveying pipe extends obliquely downwards along the direction close to the slicing dehydrator.
The invention is further provided with: the delivery port of section hydroextractor is provided with outlet conduit, outlet conduit is under pipeline, outlet conduit's middle part is connected with the wet return, wet return middle part intercommunication has the booster pump, pipeline's top is provided with a plurality of spray tubes that arrange along its length direction and distribute and set up downwards towards pipeline's lower extreme slope, be connected with a plurality of hoses that communicate with each other with the spray tube on the wet return respectively.
Through adopting above-mentioned technical scheme, the setting of wet return, booster pump, spray tube, hose to can make in the water outlet pipe enters into pipeline, because of sprinkling irrigation sets up downwards towards pipeline's lower extreme slope, can improve the velocity of flow of the interior water of pipeline again.
The invention is further provided with: and the bottom of the middle part of the conveying pipeline is provided with an observation port.
Through adopting above-mentioned technical scheme, the setting of viewing aperture conveniently stretches into the state of the interior graininess water-soluble polyester thick liquids of back observation pipeline with the hand.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
fig. 3 is a partial enlarged view at a in fig. 1.
In the figure, 1, a disperser; 11. a receiving hopper; 12. a dispersion pipe; 2. a spraying device; 21. a spray box; 22. a shower pipe; 23. a shower head; 3. a water collecting hopper; 31. a recessed portion; 32. a stirrer; 4. a shearing machine; 5. a delivery conduit; 51. a viewing port; 6. slicing and dewatering machine; 61. a water outlet pipeline; 7. screening machine; 8. an arc-shaped guide box; 81. a guide channel; 91. a water return pipe; 92. a booster pump; 93. a nozzle; 94. a hose.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example (b): a water-soluble polyester slurry discharging system, as shown in figure 1, the device comprises a disperser 1 used for receiving water-soluble polyester slurry from a discharge port of a reaction kettle and dispersing the water-soluble polyester slurry into a plurality of columnar shapes and then flowing out, a spraying device 2 used for receiving the plurality of columnar water-soluble polyester slurries flowing out from the disperser 1 and spraying and cooling the water-soluble polyester slurries to form solid columnar water-soluble polyester slurries, a water collecting hopper 3 used for collecting the sprayed water and the water-soluble polyester slurries, a shearing machine 4 arranged between the spraying device 2 and the water collecting hopper 3 and used for chopping the solid columnar water-soluble polyester slurries, a conveying pipeline 5 communicated with the water collecting hopper 3, a slice dehydrator 6 communicated with the conveying pipeline 5 and used for dehydrating, and a sieving machine 7 used for receiving granular water-soluble polyester slurries from the slice dehydrator 6 and used for sieving and removing large-granular water-soluble polyester slurries.
As shown in fig. 1 and 2, the disperser 1 includes a receiving hopper 11 and a plurality of dispersing pipes 12 arranged side by side at the bottom of the receiving hopper 11. The spraying device 2 comprises a spraying box 21, a plurality of spraying pipes 22 which are arranged on one side of the spraying box 21 and distributed along the vertical direction, a plurality of spraying heads 23 which are arranged on the spraying pipes 22 and distributed along the length direction of the spraying pipes 22, a material receiving hopper 11 is fixed on the spraying box 21, the lower ends of the dispersing pipes 12 extend into the spraying box 21, the uppermost spraying pipe 22 is lower than the lowest end of the dispersing pipes 2, a water collecting hopper 3 is communicated with the bottom of the spraying box 21, and a shearing machine 4 is arranged at one end of the water collecting hopper 3 close to the spraying box 21. An arc guide box 8 of a guide channel 81 for allowing a plurality of strands of fixed columnar water-soluble polyester slurry to enter is arranged in the lower end of the spray box 21, the other end of the arc guide box 8 extends to one side of a shearing sheet of the shearing machine 4, the opening size of the guide channel 81 is gradually reduced along the direction close to the shearing machine 4, and a spray head 23 of the spray pipe 22 is obliquely and downwards arranged towards one side, far away from the spray pipe 22, of the spray box 21. The side of the arc-shaped guide box 8 remote from the shower pipe 22 is fixed to the inner wall of the shower box 21.
As shown in fig. 2, the bottom of the water collecting bucket 3 below the shearing machine 4 is provided with a concave portion 31, the bottom of the concave portion 31 of the water collecting bucket 3 is in contact with the lower surface of the arc-shaped guide box 8, and the bottom of other areas of the water collecting bucket 3 is lower than the bottom of the concave portion 31. The agitator 32 is provided on the water collection bucket 3, and the agitator 32 of the agitator 32 extends into the water collection bucket 3 in the region excluding the recessed portion 31.
As shown in fig. 1 and 3, the conveying pipe 5 extends obliquely downward in a direction close to the slice dehydrator 6. The water outlet of the slicing dehydrator 6 is provided with a water outlet pipe 61, the water outlet pipe 61 is positioned under the conveying pipe 5, the middle part of the water outlet pipe 61 is connected with a water return pipe 91, the middle part of the water return pipe 91 is communicated with a booster pump 92, the top of the conveying pipe 5 is provided with a plurality of spray pipes 93 which are distributed along the length direction of the conveying pipe and are obliquely and downwards arranged towards the lower end of the conveying pipe 5, and the water return pipe 91 is connected with a plurality of hoses 94 which are respectively communicated with the spray pipes 93. While a viewing port 51 is provided at the bottom of the middle of the transfer duct 5.
The implementation effect is as follows: when the liquid water-soluble polyester slurry flows out from the disperser 1 and is dispersed into a plurality of strands, the radius of the water-soluble polyester slurry can be reduced and controlled, the particle size uniformity of the post-shearing formed particles is improved, and the cooling efficiency of the water-soluble polyester slurry which is cooled into a solid state can be improved when the spraying device 2 is used for spraying and cooling the columnar water-soluble polyester slurry; meanwhile, the granular water-soluble polyester slurry can be further cooled when being conveyed by the conveying pipeline 5; after the water is dehydrated by the slicing dehydrator 6, the water-soluble polyester slurry with large particles is screened by the screening machine 7, and finally the water-soluble polyester slurry with small particles can be rapidly obtained.
After the liquid water-soluble polyester slurry flows out of the dispersion pipe 12, the radius of the columnar water-soluble polyester slurry can be controlled so as to be rapidly cooled to be solid during spraying; meanwhile, the arrangement of the plurality of spray pipes 22 and the plurality of spray heads 23 can ensure the rapid cooling of the water-soluble polyester slurry. The arrangement of the arc-shaped guide box 8 can enable a plurality of strands of columnar water-soluble polyester slurry to be uniformly conveyed to the shearing machine 4 to be sheared into particles, and the opening size of the guide channel 81 is gradually reduced along the direction close to the shearing machine 4, so that the shaking of the solid columnar water-soluble polyester slurry during shearing can be reduced.
Claims (8)
1. The utility model provides a water-soluble polyester thick liquids discharge system which characterized in that: comprises a disperser (1) used for receiving water-soluble polyester slurry from a discharge port of a reaction kettle and making the water-soluble polyester slurry flow out after being dispersed into a plurality of columnar shapes, a spraying device (2) used for receiving the water-soluble polyester slurry flowing out from the disperser (1) and spraying and cooling the water-soluble polyester slurry into the columnar solid shapes, a water collecting hopper (3) used for collecting the sprayed water and the water-soluble polyester slurry, and a shearing machine (4) arranged between the spraying device (2) and the water collecting hopper (3) and used for chopping the water-soluble polyester slurry in the columnar solid shapes, the device comprises a conveying pipeline (5) communicated with a water collecting hopper (3), a slicing dehydrator (6) communicated with the conveying pipeline (5) and used for dehydrating, and a sieving machine (7) used for receiving granular water-soluble polyester slurry from the slicing dehydrator (6) and sieving large-granular water-soluble polyester slurry.
2. The water-soluble polyester slurry discharging system according to claim 1, wherein: disperser (1) is including connecing hopper (11), a plurality of dispersion pipes (12) that set up side by side and connecing hopper (11) bottom, spray set (2) are including spraying case (21), a plurality of setting on spraying case (21) one side and along shower (22) that vertical direction arranged distribution, a plurality of settings on shower (22) and along shower (22) length direction arrange the shower head (23) that distribute, the lower extreme of dispersion pipes (12) extends to in spraying case (21), water collecting hopper (3) and spraying case (21) bottom communicate with each other, cutter (4) set up in water collecting hopper (3) the one end that is close to spraying case (21).
3. The water-soluble polyester slurry discharging system according to claim 2, wherein: the spray box is characterized in that an arc guide box (8) of a guide channel (81) is arranged in the lower end of the spray box (21) and is internally provided with a plurality of strands of fixed columnar water-soluble polyester slurry, the other end of the arc guide box (8) extends to one side of a shearing sheet of the shearing machine (4), the opening size of the guide channel (81) is gradually reduced along the direction close to the shearing machine (4), a spray head (23) of a spray pipe (22) is obliquely and downwards arranged towards one side, far away from the spray pipe (22), of the spray box (21), and one side, far away from the spray pipe (22), of the arc guide box (8) is fixed on the inner wall of the spray box (21).
4. The water-soluble polyester slurry discharging system according to claim 3, wherein: the bottom of the water collecting hopper (3) below the shearing machine (4) is provided with a concave part (31), the bottom of the concave part (31) of the water collecting hopper (3) is in contact with the lower surface of the arc-shaped guide box (8), and the bottom of other areas of the water collecting hopper (3) is lower than the bottom of the concave part (31).
5. The water-soluble polyester slurry discharging system according to claim 4, wherein: a stirrer (32) is arranged on the water collecting hopper (3), and the stirrer (32) of the stirrer (32) extends into the region of the water collecting hopper (3) except the concave part (31).
6. The water-soluble polyester slurry discharging system according to claim 1, wherein: the conveying pipeline (5) extends downwards in an inclined mode along the direction close to the slicing dehydrator (6).
7. The water-soluble polyester slurry discharging system according to claim 6, wherein: the delivery port of section hydroextractor (6) is provided with outlet conduit (61), outlet conduit (61) is under pipeline (5), the middle part of outlet conduit (61) is connected with wet return (91), wet return (91) middle part intercommunication has booster pump (92), the top of pipeline (5) is provided with a plurality of spray tubes (93) that distribute and set up downwards towards the lower end slope of pipeline (5) along its length direction range, be connected with a plurality of respectively with communicating hose (94) of spray tube (93) on wet return (91).
8. The water-soluble polyester slurry discharging system according to claim 1, wherein: and an observation port (51) is arranged at the bottom of the middle part of the conveying pipeline (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110470886.6A CN113146880A (en) | 2021-04-28 | 2021-04-28 | Water-soluble polyester slurry discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110470886.6A CN113146880A (en) | 2021-04-28 | 2021-04-28 | Water-soluble polyester slurry discharging system |
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| Publication Number | Publication Date |
|---|---|
| CN113146880A true CN113146880A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110470886.6A Pending CN113146880A (en) | 2021-04-28 | 2021-04-28 | Water-soluble polyester slurry discharging system |
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| CN (1) | CN113146880A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207172486U (en) * | 2017-09-04 | 2018-04-03 | 嘉兴华雯化工有限公司 | A kind of water circulation system of underwater pelletizer |
| CN110815629A (en) * | 2019-11-14 | 2020-02-21 | 泰兴汤臣压克力有限公司 | Water flow guide type polymer underwater granulator |
| CN112569866A (en) * | 2020-12-29 | 2021-03-30 | 湖北山特莱新材料有限公司 | Water-soluble polyester slurry discharging system |
-
2021
- 2021-04-28 CN CN202110470886.6A patent/CN113146880A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207172486U (en) * | 2017-09-04 | 2018-04-03 | 嘉兴华雯化工有限公司 | A kind of water circulation system of underwater pelletizer |
| CN110815629A (en) * | 2019-11-14 | 2020-02-21 | 泰兴汤臣压克力有限公司 | Water flow guide type polymer underwater granulator |
| CN112569866A (en) * | 2020-12-29 | 2021-03-30 | 湖北山特莱新材料有限公司 | Water-soluble polyester slurry discharging system |
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Application publication date: 20210723 |
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