CN212081795U - Fluidized bed dryer for plastic granules - Google Patents
Fluidized bed dryer for plastic granules Download PDFInfo
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- CN212081795U CN212081795U CN202020634719.1U CN202020634719U CN212081795U CN 212081795 U CN212081795 U CN 212081795U CN 202020634719 U CN202020634719 U CN 202020634719U CN 212081795 U CN212081795 U CN 212081795U
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Abstract
The utility model provides a plastic granules fluidized bed dryer, through set up annular deep bead in the fluidized bed, and make the lower terminal surface of annular deep bead laminate with the diapire of fluidized bed, make the up end of annular deep bead laminate with the lower surface of main filter screen, make the velocity of flow and the pressure of the normal atmospheric temperature air current that is used for making plastic granules suspend in stable state, and then through setting up the receiving device including the material receiving pipe, make the material receiving pipe have the kink, make the tip detachably of the material receiving pipe that is located one side of kink connect at the lower extreme of discharging pipe, make the tip of the material receiving pipe that is located the opposite side of kink connect with auto sucking machine, make the contained angle between the axial lead of the material receiving pipe of kink both sides be more than or equal to 60 and less than or equal to 90 degrees, when using, can set up feed valve and discharge valve to normally open state, through the operating frequency and/or suction size control the suspended height of plastic granules, the control mode is simple and convenient, and the production efficiency is high during continuous production.
Description
Technical Field
The utility model relates to a plastic granules manufacturing field, concretely relates to plastic granules fluidized bed dryer.
Background
The fluidized bed dryer is characterized in that plastic particles are suspended by normal-temperature air flow, heat exchange is carried out between the plastic particles and the normal-temperature air flow through fluidized boiling (the temperature of the plastic particles is about 200 ℃ after the plastic particles are mixed and extruded by a screw, although the plastic particles are cooled by water, the temperature of the plastic particles entering the fluidized bed is still over 100 ℃, and the moisture on the surfaces of the plastic particles is gasified), so that the evaporated moisture on the surfaces of the plastic particles is taken away, the damp and hot plastic particles are rapidly dried and cooled, and the phenomenon that the plastic particles are bonded into a group after vacuum packaging is prevented.
In the use process of the fluidized bed dryer, the suspension height of the plastic particles in the fluidized bed is an important control parameter, if the suspension height is too high, the plastic particles in the fluidized bed are too few, the production efficiency is low during continuous production, and if the suspension height is too low, the plastic particles in the fluidized bed are too many, and the moisture evaporated on the surfaces of the plastic particles is difficult to be completely taken away by normal-temperature air flow.
The main factors influencing the suspension height of the plastic particles are as follows: the existing fluidized bed dryer usually adopts manual observation of the suspension height of the plastic particles in the fluidized bed, and then adjusts the opening height of the fluidized bed feed valve and the discharge valve and the flow speed and the pressure of the normal temperature air flow for suspending the plastic particles according to conditions, so that the suspension height of the plastic particles in the fluidized bed is in a reasonable state, but the method wastes time and labor and has great control difficulty, and of course, the fluidized bed dryer which adopts a sensor to detect the suspension height of the plastic particles in the fluidized bed and then adjusts the suspension height of the plastic particles in the fluidized bed is also provided, but the sensor in the method is very easy to make misjudgment when the individual plastic particles are suspended due to different weights or shapes, so that the detection is inaccurate, and thus, it is difficult to accurately control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a plastic particle fluidized bed dryer which can conveniently control the suspension height of plastic particles in a fluidized bed.
In order to achieve the above object, the utility model provides a technical scheme is, plastic granules fluidized bed dryer, include:
the fluidized bed is a vertically arranged cylindrical barrel, a feed inlet and an air outlet are formed in the top of the fluidized bed, an air inlet is formed in the side wall of the lower portion of the fluidized bed, and a discharge outlet is formed in the bottom of the fluidized bed;
a transparent observation window is arranged on the outer wall of the boiling bed and used for observing the suspension height of the plastic particles in the boiling bed;
the main filter screen is arranged in the boiling bed, is positioned above the air inlet, is hermetically connected with the inner wall of the boiling bed on the outer circumferential surface and is uniformly distributed with a plurality of meshes, and the size of each mesh is smaller than that of plastic particles;
the air outlet filter screen is arranged at the air outlet and is used for preventing the plastic particles in the fluidized bed from overflowing outwards through the air outlet;
the air outlet of the air blower is communicated with the air inlet through an air blowing pipeline;
the feeding pipe is connected to the feeding port;
the feeding valve is arranged on the feeding pipe and is used for controlling the flow of the plastic particles flowing through the feeding pipe;
the discharge pipe is connected to the discharge port, the upper end of the discharge pipe extends upwards to extend into the boiling bed, and the upper end part of the discharge pipe penetrates through the main filter screen and is in sealed connection with the main filter screen;
the discharge valve is arranged on the discharge pipe and is used for controlling the flow of the plastic particles flowing through the discharge pipe;
the plastic particle fluidized bed dryer further comprises a material receiving device, the material receiving device comprises a material receiving pipe and a material receiving disc, the material receiving pipe is provided with a bent portion, the end portion of the material receiving pipe located on one side of the bent portion is detachably connected to the lower end of the material discharging pipe, the end portion of the material receiving pipe located on the other side of the bent portion is connected with a material suction machine, an included angle between axial lines of the material receiving pipes on two sides of the bent portion is larger than or equal to 60 degrees and smaller than or equal to 90 degrees, the material receiving disc is sleeved on the material receiving pipe on one side, close to the material discharging pipe, of the bent portion, and when the material receiving pipe is detached, the material receiving disc is used for receiving plastic particles;
the air blower is characterized in that an annular wind shield is further arranged in the boiling bed, the lower end face of the annular wind shield is attached to the bottom wall of the boiling bed, the upper end face of the annular wind shield is attached to the lower surface of the main filter screen, an annular air duct is formed among the outer wall of the annular wind shield, the inner wall of the boiling bed, the bottom wall of the boiling bed and the lower surface of the main filter screen, and the air blower moves upwards after passing through meshes of the main filter screen through the annular air duct by normal-temperature dry air conveyed into the boiling bed through the air inlet and blows plastic particles in the boiling bed upwards to enable the plastic particles to be suspended in the boiling bed.
Preferably, the distance between the annular wind deflector and the inner wall of the boiling bed is more than one fourth of the radius of the main filter screen and less than three quarters of the radius of the main filter screen.
Further preferably, the distance between the annular wind deflector and the inner wall of the boiling bed is equal to one half of the radius of the main filter screen.
Preferably, a plurality of air holes are formed in the material receiving pipe on one side, close to the suction machine, of the bent part, and the size of each air hole is smaller than that of the plastic particle.
Preferably, a filter screen is arranged at the end part of the material receiving pipe connected with the material discharging pipe, and the filter screen is used for preventing agglomerated plastic particles from entering the material receiving pipe.
Further preferably, the filter screen is composed of a plurality of cylindrical bars welded in the material receiving pipe, and the adjacent cylindrical bars are parallel to each other.
Preferably, the end part of the material receiving pipe connected with the material discharging pipe is provided with an upper annular flange, the lower end part of the material receiving pipe is provided with a lower annular flange, and the upper annular flange and the lower annular flange are mutually attached and are clamped by a quick groove clamp.
Preferably, the inner diameter of the material receiving pipe on one side of the bent part close to the discharge pipe is larger than the inner diameter of the material receiving pipe on one side of the bent part close to the suction machine.
Preferably, the middle part of the receiving disc is provided with a through hole for the receiving pipe to pass through, the inner wall of the through hole is in sealing connection with the outer wall of the receiving pipe, the edge of the receiving disc is turned upwards and vertically to form a flange, and the upper end of the flange is lower than the end part of the receiving pipe connected with the discharge pipe.
Further preferably, an inner frame, an outer frame and a drying agent are arranged at an air inlet of the air blower, the drying agent is clamped between the inner frame and the outer frame, external air sucked by the air blower sequentially penetrates through the outer frame, the drying agent and the inner frame, the drying agent is a bagged drying agent, and the drying agent can be repeatedly used after being dried.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model provides a plastic granules fluidized bed dryer, through setting up annular deep bead in the fluidized bed, and make the lower terminal surface of annular deep bead laminate with the diapire of fluidized bed, make the up end of annular deep bead laminate with the lower surface of main filter screen, make the outer wall of annular deep bead and the inner wall of fluidized bed, constitute annular wind channel between the diapire of fluidized bed and the lower surface of main filter screen, make the velocity of flow and the pressure of the normal atmospheric temperature air current that is used for making plastic granules suspension be in stable state, then through setting up the receiving device including the material receiving pipe that has the kink and receiving disc, make the tip detachably of the material receiving pipe that is located one side of kink connect at the lower extreme of discharging pipe, make the tip of the material receiving pipe that is located the opposite side of kink connect with auto sucking machine, make the contained angle between the axial lead of the material receiving pipe of both sides of kink greater than or equal, the feeding valve and the discharging valve can be set to be in a normally open state, the suspension height of plastic particles in the fluidized bed is controlled through the operating frequency and/or the suction force of the suction machine, the control mode is simple and convenient, and the production efficiency during continuous production is high.
Drawings
Fig. 1 is a schematic front view, partially in section, of the present invention.
Wherein: 100. a bubbling bed; 101. a feed inlet; 102. an air outlet; 1021. an air outlet filter screen; 103. an air inlet; 104. a discharge port; 105. an observation window; 200. a main filter screen; 201. a mesh; 300. a blower; 301. an air inlet; 3011. an inner frame; 3012. an outer frame; 3013. a dryer; 302. an exhaust port; 303. a blast duct; 400. a feed pipe; 401. a feed valve; 500. a discharge pipe; 501. a discharge valve; 5012. a lower annular flange; 600. a material receiving device; 601. a material receiving pipe; 6011. a bending section; 6012. air holes are formed; 6013. a cylindrical rod member; 6014. an upper annular flange; 602. a take-up pan; 6021. a through hole; 6022. blocking edges; 700. an annular wind deflector; 701. annular wind channel.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
The utility model discloses the upper and lower direction of description is the upper and lower direction in figure 1, and left and right direction in the utility model is the left and right direction in figure 1.
As shown in figure 1, the utility model provides a plastic granules fluidized bed dryer, include: the device comprises a boiling bed 100, a main filter screen 200, a blower 300, a feeding pipe 400, a discharging pipe 500, a material receiving device 600 and an annular wind shield 700; the fluidized bed 100 is a vertically arranged cylindrical barrel, the top of the fluidized bed 100 is provided with a feed inlet 101 and an air outlet 102, the side wall of the lower part of the fluidized bed 100 is provided with an air inlet 103, the bottom of the fluidized bed 100 is provided with a discharge outlet 104, the outer wall of the fluidized bed 100 is provided with a transparent observation window 105, and the observation window 105 is used for observing the suspension height of plastic particles in the fluidized bed 100.
The main filter screen 200 is arranged inside the fluidized bed 100 and above the air inlet 103, the outer circumferential surface of the main filter screen 200 is hermetically connected with the inner wall of the fluidized bed 100 by welding, a plurality of meshes 201 are uniformly distributed on the main filter screen 200, and the size of the meshes 201 is smaller than that of plastic particles, so that the plastic particles in the fluidized bed 100 cannot pass through the meshes 201.
An air outlet screen 1021 is arranged at the air outlet 102, and the air outlet screen 1021 is used for preventing plastic particles in the fluidized bed 100 from overflowing outwards through the air outlet 102.
The air blower 300 is arranged on the left side of the boiling bed 100, the air blower 300 is provided with an air inlet 301 and an air outlet 302, an inner frame 3011, a drying agent 3013 and an outer frame 3012 are sequentially arranged at the air inlet 301 from right to left, the drying agent 3013 is a bagged drying agent, the drying agent 3013 is clamped between the inner frame 3011 and the outer frame 3012, external air sucked by the air blower 300 from the air inlet 301 sequentially passes through the outer frame 3012, the drying agent 3013 and the inner frame 3011 and is exhausted from the air outlet 302, and the drying agent 3013 can be reused after being dried; the exhaust port 302 of the blower 300 is communicated with the air inlet 103 of the fluidized bed 100 through a blower pipe 303, and the normal temperature dry air exhausted through the exhaust port 302 is sent into the fluidized bed 100 through the blower pipe 303 and the air inlet 103.
A feed pipe 400 is connected to the feed port 101 of the fluidized bed 100, the feed pipe 400 is used for replenishing plastic particles into the fluidized bed 100, a feed valve 401 is arranged on the feed pipe 400, and the feed valve 401 is used for controlling the flow rate of the plastic particles flowing through the feed pipe 400.
The discharge pipe 500 is connected to the discharge hole 104 of the fluidized bed 100, the discharge pipe 500 is used for discharging plastic particles in the fluidized bed 100, the upper end of the discharge pipe 500 extends upwards to extend into the fluidized bed 100, the upper end of the discharge pipe 500 penetrates through the middle of the main filter screen 200 and is in sealing connection with the main filter screen 200, the discharge valve 501 is arranged on the discharge pipe 500, and the discharge valve 501 is used for controlling the flow of the plastic particles flowing through the discharge pipe 500.
The material receiving device 600 comprises a material receiving pipe 601 and a material receiving disc 602, wherein the material receiving pipe 601 is provided with a bent part 6011, the upper end part of the material receiving pipe 601 positioned on the left side of the bent part 6011 is detachably connected to the lower end of the material discharging pipe 500, specifically, the upper end part of the material receiving pipe 601 positioned on the left side of the bent part 6011 is provided with an upper annular flange 6014, the lower end part of the material receiving pipe 500 is provided with a lower annular flange 5012, and the upper annular flange 6014 and the lower annular flange 5012 are mutually attached and are clamped tightly through a quick groove clamp (not shown in the figure), so that the material receiving device has the advantages that the material receiving device can be conveniently detached and; the right end of the material receiving pipe 601 located at the right side of the bent portion 6011 is hermetically connected with a suction machine (not shown in the figures) for sucking plastic particles led out from the material discharging pipe 500 through the material receiving pipe 601, the suction machine belongs to the prior art, and the specific structure of the suction machine is not the invention point of the present invention, and is not repeated herein, an included angle between the axial lines of the material receiving pipe 601 at the left side and the right side of the bent portion 6011 is very important, the included angle is too small, the difficulty of the suction machine for sucking plastic particles led out from the material discharging pipe 500 through the material receiving pipe 601 is high, the load of the suction machine is large, a high-power suction machine is required, the cost is high, the calculation is not required, the included angle is too large, plastic particles led out from the material discharging pipe 500 can fall into the material receiving pipe 601 under the action of self gravity, natural blockage is difficult to form at the bent portion 6011, and the discharge valve 501, preferably, the included angle ranges from 60 degrees to 90 degrees (including the number), and in the embodiment, the included angle is 75 degrees, so that the material suction efficiency of the material suction machine can reach 85 percent; the inner diameter of the discharge pipe 601 on the left side of the bent part 6011 is larger than that of the material receiving pipe 601 on the right side of the bent part 6011, so that the bent part 6011 has a large inlet and a small outlet to form a throat part, which is convenient for forming natural blockage at the bent part 6011, thereby controlling the flow rate of plastic particles in the discharge pipe 500 instead of the discharge pipe 501; the right end part of the material receiving pipe 601 on the right side of the bent part 6011 is further provided with a plurality of air holes 6012, the size of the air holes 6012 is smaller than that of plastic particles, so that the plastic particles in the material receiving pipe 601 cannot penetrate through the air holes 6012, and the air holes 6012 have the advantages that a jet pump effect can be formed in the material receiving pipe 601 by the suction machine, and the suction efficiency of the suction machine is further improved; the upper end of the material receiving pipe 601 on the left side of the bent portion 6011 is further provided with a filter screen, the filter screen is used for preventing agglomerated plastic particles from entering the material receiving pipe 601, specifically, the filter screen is composed of a plurality of cylindrical rod pieces 6013 welded in a pipe orifice of the upper end of the material receiving pipe 601 on the left side of the bent portion 6011, the adjacent cylindrical rod pieces 6013 are parallel to each other, a certain gap is maintained between the adjacent cylindrical rod pieces 6013, the gap allows non-agglomerated plastic particles to pass through, but does not allow agglomerated plastic particles to pass through, and of course, the agglomerated plastic particles refer to a massive object formed by bonding more than 10 plastic particles.
The receiving disc 602 is sleeved on the material receiving pipe 601 at the left side of the bending portion 6011, a through hole 6021 for the material receiving pipe 601 to pass through is formed in the middle of the receiving disc 602, the inner wall of the through hole 6021 is hermetically connected with the outer wall of the material receiving pipe 601 in a welding mode, the edge of the receiving disc 602 is turned upwards and vertically to form a retaining edge 6022, and the upper end of the retaining edge 6022 is lower than the end part of the material receiving pipe 601 connected with the material discharging pipe 500, so that the rapid groove clamp can be detached and installed conveniently; the benefit of setting up take-up pan 602 lies in, when dismantling take-up pipe 601, can accept the plastic granules that remain in discharging pipe 500 that is located ejection of compact valve 501 below through take-up pan 602, avoids extravagant, and it is obvious that when dismantling take-up pipe 601, need close ejection of compact valve 501 earlier.
The annular wind deflector 700 is arranged inside the boiling bed 100, the annular wind deflector 700 is used for controlling the flow rate and the pressure of normal-temperature dry air passing through the main filter screen 200, specifically, the lower end face of the annular wind deflector 700 is attached to the bottom wall inside the boiling bed 100, the upper end face of the annular wind deflector 700 is attached to the lower surface of the main filter screen 200, the axial lead of the annular wind deflector 700 is coincident with the axial lead of the boiling bed 100, an annular air duct 701 is formed among the outer wall of the annular wind deflector 700, the inner wall of the boiling bed 100, the bottom wall of the boiling bed 100 and the lower surface of the main filter screen 200, the annular air duct 701 controls the flow rate and pressure of the normal temperature dry air passing through the main filter screen 200, the normal temperature dry air conveyed into the fluidized bed 100 by the blower 300 through the air inlet 103 of the fluidized bed 100 passes through the annular air duct 701, then passes through the meshes 201 of the main filter screen 200 and moves upwards, and blowing the plastic particles in the fluidized bed 100 upwards to suspend in the fluidized bed 100; the distance between the annular wind deflector 700 and the inner wall of the ebullated bed 100 affects the size of the annular wind tunnel 701, and thus affects the flow rate and pressure of the normal temperature dry air passing through the main filter screen 200, if the distance is too large, the annular air duct 701 is too large, the flow rate and pressure of the normal-temperature dry air passing through the main filter screen 200 are small, it is difficult to blow plastic particles in the fluidized bed 100 upward, the power of the blower 300 needs to be increased, the cost is high and cost is not low, if the distance is too small, the dry air of the normal temperature passing through the main filter 200 is concentrated near the inner wall of the fluidized bed 100, the plastic particles located in the middle of the fluidized bed 100 are difficult to blow up, the drying and cooling effects of the plastic particles are not uniform, and preferably, the distance is greater than one fourth of the radius of the main filter 200 and less than three quarters of the radius of the main filter 200, and in this embodiment, the distance is equal to one half of the radius of the main filter 200.
The utility model provides a plastic granules fluidized bed dryer, through setting up annular deep bead in the fluidized bed, and make the lower terminal surface of annular deep bead laminate with the diapire of fluidized bed, make the up end of annular deep bead laminate with the lower surface of main filter screen, make the outer wall of annular deep bead and the inner wall of fluidized bed, constitute annular wind channel between the diapire of fluidized bed and the lower surface of main filter screen, make the velocity of flow and the pressure of the normal atmospheric temperature air current that is used for making plastic granules suspension be in stable state, then through setting up the receiving device including the material receiving pipe that has the kink and receiving disc, make the tip detachably of the material receiving pipe that is located one side of kink connect at the lower extreme of discharging pipe, make the tip of the material receiving pipe that is located the opposite side of kink connect with auto sucking machine, make the contained angle between the axial lead of the material receiving pipe of both sides of kink greater than or equal, the feeding valve and the discharging valve can be set to be in a normally open state, the suspension height of plastic particles in the fluidized bed is controlled through the operating frequency and/or the suction force of the suction machine, the control mode is simple and convenient, and the production efficiency during continuous production is high.
The above embodiments are only for illustrating the technical concept 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 to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A plastic pellet ebullated bed dryer comprising:
the fluidized bed is a vertically arranged cylindrical barrel, a feed inlet and an air outlet are formed in the top of the fluidized bed, an air inlet is formed in the side wall of the lower portion of the fluidized bed, and a discharge outlet is formed in the bottom of the fluidized bed;
a transparent observation window is arranged on the outer wall of the boiling bed and used for observing the suspension height of the plastic particles in the boiling bed;
the main filter screen is arranged in the boiling bed, is positioned above the air inlet, is hermetically connected with the inner wall of the boiling bed on the outer circumferential surface and is uniformly distributed with a plurality of meshes, and the size of each mesh is smaller than that of plastic particles;
the air outlet filter screen is arranged at the air outlet and is used for preventing the plastic particles in the fluidized bed from overflowing outwards through the air outlet;
the air outlet of the air blower is communicated with the air inlet through an air blowing pipeline;
the feeding pipe is connected to the feeding port;
the feeding valve is arranged on the feeding pipe and is used for controlling the flow of the plastic particles flowing through the feeding pipe;
the discharge pipe is connected to the discharge port, the upper end of the discharge pipe extends upwards to extend into the boiling bed, and the upper end part of the discharge pipe penetrates through the main filter screen and is in sealed connection with the main filter screen;
the discharge valve is arranged on the discharge pipe and is used for controlling the flow of the plastic particles flowing through the discharge pipe;
the method is characterized in that:
the plastic particle fluidized bed dryer further comprises a material receiving device, the material receiving device comprises a material receiving pipe and a material receiving disc, the material receiving pipe is provided with a bent portion, the end portion of the material receiving pipe located on one side of the bent portion is detachably connected to the lower end of the material discharging pipe, the end portion of the material receiving pipe located on the other side of the bent portion is connected with a material suction machine, an included angle between axial lines of the material receiving pipes located on two ends of the bent portion is larger than or equal to 60 degrees and smaller than or equal to 90 degrees, the material receiving disc is sleeved on the material receiving pipe located on one side, close to the material discharging pipe, of the bent portion, and when the material receiving pipe is detached, the material receiving disc is used for receiving;
the air blower is characterized in that an annular wind shield is further arranged in the boiling bed, the lower end face of the annular wind shield is attached to the bottom wall of the boiling bed, the upper end face of the annular wind shield is attached to the lower surface of the main filter screen, an annular air duct is formed among the outer wall of the annular wind shield, the inner wall of the boiling bed, the bottom wall of the boiling bed and the lower surface of the main filter screen, and the air blower moves upwards after passing through meshes of the main filter screen through the annular air duct by normal-temperature dry air conveyed into the boiling bed through the air inlet and blows plastic particles in the boiling bed upwards to enable the plastic particles to be suspended in the boiling bed.
2. The plastic granule ebullated bed dryer of claim 1, wherein a distance between the annular wind deflector and the inner wall of the ebullated bed is greater than one-quarter of a radius of the primary screen and less than three-quarters of the radius of the primary screen.
3. The plastic granule ebullated bed dryer of claim 2, wherein a distance between the annular wind deflector and the inner wall of the ebullated bed is equal to one-half of a radius of the primary screen.
4. The plastic particle boiling bed dryer as claimed in claim 1, wherein a plurality of air holes are formed on the material receiving pipe at one side of the bending portion close to the suction machine, and the size of the air holes is smaller than that of the plastic particles.
5. The plastic particle boiling bed dryer as claimed in claim 1, wherein a filter screen is disposed at an end of the material receiving pipe connected to the material discharging pipe, and the filter screen is used for preventing the agglomerated plastic particles from entering the material receiving pipe.
6. The plastic pellet ebullated bed dryer of claim 5, wherein the filter screen is comprised of a plurality of cylindrical bars welded into the receiver tube, adjacent cylindrical bars being parallel to each other.
7. The plastic pellet ebullated bed dryer of claim 1, wherein an end of the take-off pipe connected to the take-off pipe is provided with an upper annular flange, a lower end of the take-off pipe is provided with a lower annular flange, and the upper and lower annular flanges are attached to each other and are clamped by a quick groove clamp.
8. The plastic pellet ebullated bed dryer of claim 1, wherein an inner diameter of the take-up pipe on a side of the bend proximate the discharge pipe is greater than an inner diameter of the take-up pipe on a side of the bend proximate the suction machine.
9. The plastic particle fluidized bed dryer as claimed in claim 1, wherein a through hole for the receiving pipe to pass through is formed in the middle of the receiving tray, the inner wall of the through hole is connected with the outer wall of the receiving pipe in a sealing manner, the edge of the receiving tray is vertically turned upwards to form a flange, and the upper end of the flange is lower than the end part of the receiving pipe connected with the discharging pipe.
10. The plastic pellet ebullated-bed dryer of any one of claims 1-9, wherein an inner frame, an outer frame and a desiccant are provided at an air inlet of the blower, the desiccant is clamped between the inner frame and the outer frame, the desiccant is a bagged desiccant, the desiccant is dried and reused, and external air sucked by the blower passes through the outer frame, the desiccant and the inner frame in sequence.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634719.1U CN212081795U (en) | 2020-04-24 | 2020-04-24 | Fluidized bed dryer for plastic granules |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020634719.1U CN212081795U (en) | 2020-04-24 | 2020-04-24 | Fluidized bed dryer for plastic granules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397310A (en) * | 2020-04-24 | 2020-07-10 | 苏州通优新材料科技有限公司 | Fluidized bed dryer for plastic granules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397310A (en) * | 2020-04-24 | 2020-07-10 | 苏州通优新材料科技有限公司 | Fluidized bed dryer for plastic granules |
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