CN210082156U

CN210082156U - PBT aggregate apparatus for producing with online drying function

Info

Publication number: CN210082156U
Application number: CN201920468115.1U
Authority: CN
Inventors: 周新社; 李欢; 颜红峰; 张平; 张钊鹏; 魏毅
Original assignee: Guangdong Shunde Shunyan New Material Co Ltd
Current assignee: Guangdong Shunde Shunyan New Material Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-18
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a PBT aggregate apparatus for producing with online drying function, including the extruder, cooling trough, breaker, shale shaker and transfer material jar have set gradually behind the extruder, the input of shale shaker and the bottom intercommunication of breaker, the output of shale shaker communicates to transfer material jar through the hose unit of multistage end to end connection, and the hose unit who communicates with the shale shaker output still communicates has conveying fan, be provided with drying device between cooling trough and the breaker. Drying device sets up between cooling trough and breaker, and the PBT thread material through cooling process passes through drying device, and then realizes adhering to the moisture on the PBT thread material and weathers, has effectually avoided the degradation of PBT material.

Description

PBT aggregate apparatus for producing with online drying function

Technical Field

The utility model relates to a chemical industry equipment field, in particular to PBT aggregate apparatus for producing with online drying function.

Background

The general process flow of the production of the PBT pellets comprises the procedures of strand extrusion, cooling, crushing, collection and the like.

The cooling process generally adopts cold water cooling, and the surface of the PBT wire material subjected to the cooling process is inevitably adhered with moisture. Because the hydrolysis resistance of the PBT is very weak, if the PBT thread material subjected to the cooling process is not dried, the degradation of the PBT material can be caused in the subsequent crushing, collection and other processes, and the quality of the produced material is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PBT aggregate apparatus for producing with online drying function to solve the problem that proposes in the above-mentioned background art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a PBT aggregate apparatus for producing with online drying function, includes the extruder, cooling trough, breaker, shale shaker and transfer material jar have set gradually behind the extruder, the input of shale shaker and the bottom intercommunication of breaker, the output of shale shaker communicates to transfer material jar through the hose unit of multistage end-to-end connection, and the hose unit that communicates with the shale shaker output still communicates has conveying fan, be provided with drying device between cooling trough and the breaker.

As an improvement of the scheme, the drying device comprises a drying fan and a water storage tank, a water leakage gap is formed in the middle of the upper portion of the water storage tank, an air outlet of the drying fan is located right above the water leakage gap, and the PBT wire penetrates between the air outlet and the water storage tank.

As an improvement of the scheme, the air outlet of the drying fan is arranged to be a linear port, and the linear port is parallel to the water leakage gap.

As an improvement of the scheme, the bottom of the water storage tank is higher than the cooling water tank, and the water storage tank is communicated with the cooling water tank through a water pipe.

As an improvement of the scheme, the output end of the vibrating screen is communicated to the middle part of the hose unit far away from one end of the transfer material tank, the conveying fan is communicated to the tail end of the hose unit far away from one end of the transfer material tank, and the hose unit is connected with the hose unit through a rigid joint.

As an improvement of the above scheme, the rigid joint comprises a left joint and a right joint which are detachably connected, the left joint and the right joint respectively comprise a butt joint ring and a hollow shaft, the two butt joint rings are detachably connected through bolts, and the end parts of the hose units are respectively sleeved on the hollow shaft to be fixed.

Has the advantages that: drying device sets up between cooling trough and breaker, and the PBT thread material through cooling process passes through drying device, and then realizes adhering to the moisture on the PBT thread material and weathers, has effectually avoided the degradation of PBT material.

Drawings

The invention is further described with reference to the following figures and examples:

FIG. 1 is a schematic view of a drying apparatus;

FIG. 2 is a schematic view of a PBT pellet production line device;

fig. 3 is a schematic structural view of a packaging bag placing table arranged beside the homogenizing tank.

Detailed Description

Referring to fig. 1 to 3, a production line apparatus for producing PBT pellets includes an extruder 10, a cooling water tank 20, a crusher 40, a transfer material tank 70, and a homogenizing tank 90, which are sequentially provided.

Wherein, the extruder 10 is provided with a hopper 11, which is convenient for realizing feeding. The extruder 10 is internally communicated with a vacuum suction device, which is specifically a circulating water vacuum pump. On one hand, the vacuum pumping negative pressure inside the extruder 10 is realized through a circulating water vacuum pump so as to meet the requirement of the PBT extrusion process; on the other hand, the water content of the PBT material in the extruder 10 is also pumped out by a circulating water vacuum pump. The circulating water vacuum pump comprises a circulating water tank, and the pumped water can be supplemented to the circulating water tank. Because the circulating water in the circulating water vacuum pump in the working process can be continuously reduced due to high temperature, the pumped water is introduced into the circulating water tank to realize continuous supplement, and the water resource is well saved.

The rear end of the extruder 10 is provided with a die orifice, the PBT thread material is extruded through the die orifice, and the cooling water tank 20 is arranged close to the die orifice. Specifically, cooling water is filled in the cooling water tank 20, a plurality of rotatable guide wheels 21 are arranged in the cooling water tank at equal intervals, the guide wheels 21 are arranged in a staggered manner from one end to the other end of the cooling water tank 20, the PBT wire extruded by the extruder 10 is inserted between the high guide wheels 21 and the low guide wheels 21, the PBT wire is conveyed between the high guide wheels 21 and the low guide wheels 21 to the subsequent process, and the high guide wheels 21 limit the PBT wire to jump up and down. Preferably, the material guide wheel 21 is provided with a plurality of material guide ring grooves along the axial direction, and a proper distance is kept between the PBT threads under the action of the material guide grooves, so that the threads are prevented from being interfered with each other; meanwhile, the height of the lowest point of the higher guide wheel 21 is lower than that of the highest point of the lower guide wheel 21, so that the PBT wire can be effectively ensured to be tightly attached to the guide wheels 21 when the PBT wire shuttles between the guide wheels 21, and the wire can be basically and completely prevented from jumping. On one hand, the PBT wire material is continuously maintained in the cooling area of the cooling water tank 20, so that the cooling effect is ensured; on the other hand, the situation that the PBT wire material is disconnected due to large-amplitude jumping can be avoided, and the normal operation of the whole production line is further ensured.

Two rows of rolling pulleys 22 are arranged at the bottom of the cooling water tank 20, the rolling pulleys 22 are placed on sliding rails, and the sliding rails are arranged to be consistent with the axial direction of the cooling water tank 20. The PBT strand is extruded through a die orifice in the extruder 10 where excess PBT scrap tends to build up. When the die orifice needs to be cleaned, an operator can easily push the cooling water tank 20, so that the cooling water tank 20 moves away from the extruder 10 along the guide rail, and further, a space can be vacated to facilitate the operator to clean the die orifice.

The cooled PBT strand is continuously conveyed to a crusher 40 for crushing. Specifically, the crusher 40 includes a crushing wheel 41 and a material collection box 42, and the crushing wheel 41 is rotatably provided in the material collection box 42. In order to splash the PBT aggregate obtained by crushing, an L-shaped cover plate 43 is arranged above the crushing wheel 41 and in the feeding direction of the PBT strand, the horizontal part of the cover plate 43 is fixedly connected with the material collecting box 42, a first feeding hole is formed in one side of the material collecting box 42, which receives the PBT strand, and a second feeding hole is formed in the vertical part of the cover plate 43. The PBT strand extends to the crushing wheel 41 after sequentially passing through the first feeding hole and the second feeding hole, and grain cutting is achieved. The PBT granules mostly bounce to the side of the material collecting box 42 connected with the cover plate 43 under the block of the cover plate 43 and then fall to the bottom of the material collecting box 42. Meanwhile, in order to avoid that the PBT aggregate is higher than one side of the PBT aggregate receiving side of the aggregate box 42 after being rebounded from the bottom, the top of the PBT aggregate receiving side of the aggregate box 42 extends upwards to form a heightening baffle, and the PBT aggregate is prevented from flying out by increasing the height of the side plate of the aggregate box 42.

Preferably, the bottom of the material collecting box 42 is connected to the input end of the vibrating screen 50 through a material collecting pipe, the output end of the vibrating screen 50 is communicated with one end of the hose structure 60, and the other end of the hose structure 60 is communicated to the transfer material tank 70. In order to enable the chopped granules to be well collected at the bottom of the material collecting box 42 and close to the material collecting pipe, the bottom of the vertical part of the cover plate 43 is additionally provided with a deviation plate 431, the deviation plate 431 is obliquely and downwards directed to one side of the material collecting box 42 connected with the cover plate 43, and most of PBT granules well fall to a position close to the material collecting pipe under the guidance of the deviation plate 431. In order to further enhance the collection capacity of the collection box 42, a bottom plate is arranged at the bottom of the collection box 42 and is inclined downwards from the side for receiving the PBT strands to the side connected with the cover plate 43, and the PBT granules roll to the end of the collection pipe easily. Meanwhile, the bottom of the material collecting box 42 can be directly made to incline downwards from the side for receiving the PBT thread material to the side connected with the cover plate 43, and the effect of promoting the collection of the PBT aggregate can also be achieved.

Be provided with drying device 30 between cooling trough 20 and breaker 40, this drying device 30 includes drying blower 31 and storage water tank 32, has seted up the gap 321 that leaks in the middle of the top of storage water tank 32, and drying blower 31's air outlet is located the gap 321 that leaks directly over, and the PBT thread material passes between air outlet and storage water tank 32, and drying blower 31 down bloies, and the moisture that is attached to on the PBT thread material is weathered, has effectively avoided the PBT material degradation. Meanwhile, the water blown off from the PBT thread material falls into the upper part of the water storage tank 32 and flows into the water storage tank 32 through the water leakage gap 321 formed in the middle, so that the water is collected, and the water resource is saved.

The air outlet of the drying fan 31 is provided as a linear port 311, and the linear port 311 is parallel to the water leakage slit 321. The air blown out from the linear port 311 is perpendicular to the PBT wire material, so that the blowing along the length direction of the PBT wire material is equivalently realized in the continuous conveying process of the PBT wire material, and the drying effect of the PBT wire material is ensured.

Rotatable guide rollers 322 are respectively arranged at two ends of the top of the water storage tank 32, the PBT wire material is wound on the guide rollers 322 and downwards presses the guide rollers 322, on one hand, the guide rollers 322 realize the separation of the PBT wire material from the top of the water storage tank 32 and prevent the PBT wire material from contacting with moisture remained at the top of the water storage tank 32, on the other hand, under the limit of the guide rollers 322, the PBT wire material is close to the top of the water storage tank 32 as much as possible, and the moisture collection on the PBT wire material is conveniently realized. The water on the PBT thread flows into the water storage tank 32 through the water leakage slit 321. In order to better realize the collection of the moisture at the top of the storage tank 32, the top of the storage tank 32 is designed to be gradually inclined downwards from two ends to the middle.

Preferably, the bottom of the water storage tank 32 is set higher than the cooling water tank 20, and the water storage tank 32 and the cooling water tank 20 are communicated with each other through a water pipe 323. The water pipe 323 can be provided with a switch valve, when the moisture in the water storage tank 32 is collected to a certain degree, the switch valve is opened, the moisture flows into the cooling water tank 20, and the cooling water supply of the cooling water tank 20 is convenient to realize.

The hose structure 60 is connected between the crusher 40 and the transfer material tank 70. Specifically, the hose structure 60 includes a plurality of sections of hose units 61 connected end to end, the hose unit 61 located at one end of the hose structure is communicated with the output end of the vibrating screen 50, the hose unit 61 located at the other end of the hose structure is communicated with the transfer material tank 70, and the hose unit 61 communicated with the output end of the vibrating screen 50 is also communicated with the conveying fan 63. The PBT aggregate falls into the hose unit 61 through the output end of the vibrating screen 50, the conveying fan 63 is started, and the PBT aggregate is blown to the transfer material tank 70. Since the hose connected between the crusher 40 and the transfer material tank 70 is easily damaged by the long-term blowing action of the transfer fan 63. If the hose designs as an organic whole, in case damage, then need to change whole hose, the utility model discloses a sectional type design, after a certain hose unit 61 damages, in time replace corresponding pipeline section can, all the other intact pipeline sections can continue to use, have practiced thrift the cost greatly.

Specifically, the output end of the vibrating screen 50 is connected to the middle portion of the hose unit 61 at the end far away from the relay material tank 70, the conveying fan 63 is connected to the end of the hose unit 61 at the end far away from the relay material tank 70, and the hose unit 61 are connected through the rigid joint 62. The rigid joint 62 comprises a left joint and a right joint which are detachably connected, the left joint and the right joint respectively comprise a butt joint ring and a hollow shaft, the two butt joint rings are detachably connected through bolts, and the end parts of the hose units 61 are respectively sleeved on the hollow shaft to be fixed. The rigid joint 62 completes the end-to-end connection of the hose units 61, and on the other hand, the two ends of each section of the hose units 61 are supported by the hollow shaft, so that the hose units 61 are ensured to be in a full state, and the conveying fan 63 can smoothly blow air.

The bottom of the transfer material tank 70 is tapered, and a discharge port is formed in the tapered portion, so that the PBT aggregate can fall through the discharge port. Because the conveying fan 63 blows the PBT granules, dust is inevitably generated, and if the dust is not collected and treated, dust fog in the whole workshop is easily diffused. In order to collect the dust, a dust collecting device 80 is provided on the relay material tank 70. The dust collecting device 80 specifically comprises a dust collecting pipe and a dust collecting bag, the dust collecting pipe is bent, one end of the dust collecting pipe is connected to the top of the transfer material tank 70, and the other end of the dust collecting pipe is vertically downward and is connected to the bag opening of the dust collecting bag at the tail end. The dust is collected through the dust collecting device 80, and the working environment of a production workshop is effectively guaranteed.

The homogenizing tank 90 is disposed beside the transfer material tank 70, and the PBT pellets in the transfer material tank 70 are transferred into the homogenizing tank 90. The bottom of the homogenizing tank 90 is arranged to be conical, and the conical part is provided with a discharge hole. Be provided with stirring vane in homogeneity jar 90, stirring vane includes the axis of rotation and fixes first stirring piece 91 and second stirring piece 92 in the axis of rotation, the axis of rotation sets up in homogeneity jar 90's bottom central authorities, first stirring piece 91 is located second stirring piece 92 directly over, first stirring piece 91 and second stirring piece 92 all set to by the center to upwarp all around gradually, first stirring piece 91 and second stirring piece 92 are being close to the conical surface bending type edge doctor-bar of homogeneity jar 90 bottom, the edge doctor-bar is on a parallel with the conical surface of homogeneity jar 90 bottom. Very little clearance is left with the bottom inner wall of homogeneity jar 90 to the edge doctor-bar, conveniently accomplishes better stirring effect, avoids the gap too big, the stirring blind spot appears.

Meanwhile, a package bag placing table 93 is provided near the discharge port, and the package bag is placed on the package bag placing table 93 in advance. When the workman packs the PBT aggregate through the wrapping bag, when the wrapping bag fill with the back, the wrapping bag that can be convenient place platform 93 from the wrapping bag next door and take another wrapping bag, realize seamless joint's packing process. Meanwhile, the filled packaging bags can be temporarily stacked on the packaging bag placing table 93, the packaging bags filled with the PBT aggregate do not need to be carried away timely, and the efficiency of packaging the PBT aggregate by workers is further improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a PBT aggregate apparatus for producing with online drying function which characterized in that: the material conveying device comprises an extruder, a cooling water tank, a crusher, a vibrating screen and a transfer material tank are sequentially arranged behind the extruder, the input end of the vibrating screen is communicated with the bottom of the crusher, the output end of the vibrating screen is communicated to the transfer material tank through a plurality of sections of hose units connected end to end, a conveying fan is further communicated with the hose units communicated with the output end of the vibrating screen, and a drying device is arranged between the cooling water tank and the crusher.

2. The apparatus for producing PBT pellets with an on-line drying function according to claim 1, wherein: the drying device comprises a drying fan and a water storage tank, a water leakage gap is formed in the middle of the upper portion of the water storage tank, an air outlet of the drying fan is located right above the water leakage gap, and the PBT wire penetrates between the air outlet and the water storage tank.

3. The apparatus for producing PBT pellets with an in-line drying function according to claim 2, wherein: the air outlet of the drying fan is arranged to be a linear port, and the linear port is parallel to the water leakage gap.

4. The apparatus for producing PBT pellets with an in-line drying function according to claim 3, wherein: the bottom of the water storage tank is higher than the cooling water tank, and the water storage tank is communicated with the cooling water tank through a water pipe.

5. The apparatus for producing PBT pellets with an on-line drying function according to claim 1, wherein: the output end of the vibrating screen is communicated to the middle part of the hose unit far away from one end of the transfer material tank, the conveying fan is communicated to the tail end of the hose unit far away from one end of the transfer material tank, and the hose unit is connected with the hose unit through a rigid joint.

6. The apparatus for producing PBT pellets with an in-line drying function according to claim 5, wherein: the rigid joint comprises a left joint and a right joint which are detachably connected, the left joint and the right joint respectively comprise a butt joint ring and a hollow shaft, the two butt joint rings are detachably connected through bolts, and the end parts of the hose units are respectively sleeved on the hollow shaft to be fixed.