CN104943011B - A kind of polyamide granulating system - Google Patents
A kind of polyamide granulating system Download PDFInfo
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- CN104943011B CN104943011B CN201510363819.9A CN201510363819A CN104943011B CN 104943011 B CN104943011 B CN 104943011B CN 201510363819 A CN201510363819 A CN 201510363819A CN 104943011 B CN104943011 B CN 104943011B
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Abstract
The present invention discloses a kind of polyamide granulating system, includes granulating mechanism, granulation conveying mechanism and granulation grading discharge mechanism successively from front to back according to technological process.The granulating mechanism includes distributing device and transmission device.The granulation conveying mechanism includes conveying device, and described device is transmitted the particle flowed out through granulating cylinder.Several automatic spraying devices are additionally provided with the side of the conveying device.Waste gas collection device is additionally provided with above the conveying device, the waste gas collection device includes extractor fan and ventilation shaft.The granulation grading discharge mechanism includes scraper, sieving, blanking funnel, hair-dryer, separator, the second discharge nozzle, floccule collection device and siphunculus more than second.The present invention can improve the percentage of impurity of product after motor degree flexible for installation, reduction granulation, with automatic classification function, can cool down in good time, in time discharge organic exhaust gas, ensure to pat the normal operation advantage of plate.
Description
Technical field
The present invention relates to the preparation field of polyamide, more particularly to a kind of polyamide granulating system.
Background technology
Polyamide, abbreviation PA is the condensate on main chain with amido link.Can by diamine and binary acid polycondensation,
Lactams ring-opening polymerisation is obtained.A variety of polyamides are can obtain because binary acid used is different with the species of diamine.By phase
Size to molecular weight is substantially classified as high-molecular polyamide resin and low molecule pa resin.
High-molecular polyamide resin, i.e., widely known nylon or polyamide fibre, by straight-chain aliphatic binary acid and diamine structure
Into mainly for the preparation of synthetic fibers and engineering plastics, the complete class polyamide of R and D technics comparing.
Low molecule pa resin by dimeric dibasic acid and diamine or polyamine carry out polycondensation reaction after obtain, also known as dimeric dibasic acid
Polyamide.It can be divided into two major classes by its property：Non-reacted or neutral polyamide and reactive polyamide.
Neutral polyamide is mainly synthesized by dimeric dibasic acid and ethylenediamine, for producing ink, heat sealing adhesive and coating.
Dimeric dibasic acid, is often referred to dimer (fatty acid) yl, is a kind of mixture of complicated component, because main component contains two carboxylic acids
Group and gain the name.It is to use unrighted acid, such as oleic acid and linoleic acid by mutually polymerizeing etc. and to obtain.Dimeric dibasic acid has excellent
Good heat endurance, and mobility can be kept within the scope of very wide temperature.Dimeric dibasic acid is mainly used as synthesizing polyamides at present, and
It is for preparing PUR, secondly for the production of ink that half is there are about in the neutral polyamide of synthesis.
The method that the country prepares dimeric dibasic acid is generally clay catalytic method, and this method is existing in two kinds of techniques：One kind is aliphatic acid
Methyl esters method, using various fatty acid methyl esters as raw material, montmorillenite is catalyst, with methanol deoxygenation.The advantage of the technique is
Equipment is simple and convenient to operate, product quality preferable.But catalyst amount is larger, the purity requirement of methanol is higher.Another is fat
Fat acid direct polymerization technique, uses vegetable oil acid for raw material, in the case of nitrogen charging, after the completion of reaction, decolourizes, filters, thin
Distilled in film evaporator, obtain finished product.This process recovery ratio is high, steady quality, is the main technique of the domestic dimeric dibasic acid of production at present.
At present using clay catalytic method production dimeric dibasic acid, then existed by dimeric dibasic acid and the synthetically produced polyamide of ethylenediamine following
It is not enough：
First, polyamide is in granulation, the power transmission shaft of pellet device is typically to be connected with the output shaft of motor in granulating cylinder,
The rotation of grain-cutter is driven by the rotation of motor, the purpose of pelletizing is reached.This pelletizing mode needs fixed on comminutor
One motor position, the flexibility that equipment is installed is poor.
Second, polyamide granulated through comminutor after the direct blanking of particle, but now particle not yet cools down and still volatilizees one
A little organic exhaust gas and the not easily collecting discharge of such organic exhaust gas.In addition, drapery panel, which works long hours, can occur wrinkle, have a strong impact on
Transfer efficiency.
It is lighter cotton-shaped due to some in granulation process, can be produced third, when polyamide carries out blanking after the pelletizing
Thing, direct blanking can be brought into blanking device, be that follow-up cleaning makes troubles.Moreover, the granulation grading discharge work of traditional handicraft
Skill is mostly manually to be screened, and screening efficiency is relatively low.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides one kind can improve product after motor degree flexible for installation, reduction granulation
Percentage of impurity, with automatic classification function, can cool down in good time, in time discharge organic exhaust gas, ensure to pat the normal operation of plate
Polyamide granulating system.
The present invention solves above-mentioned technical problem using following technological means：A kind of polyamide granulating system, according to technique
Flow includes granulating mechanism, granulation conveying mechanism and granulation grading discharge mechanism successively from front to back.
The granulating mechanism includes distributing device and transmission device, and the distributing device includes granulating cylinder and pellet device；
The pellet device includes grain-cutter and power transmission shaft, and the grain-cutter is set in the power transmission shaft, the master of the power transmission shaft
Body portion is housed in the cavity of the granulating cylinder, and the two ends of the power transmission shaft are extended outside the cavity of the granulating cylinder.Institute
The bottom for stating granulating cylinder offers and offers spout, the material at the top of several regularly arranged material holes, the granulating cylinder
Hole, spout and the cavity intercommunication.The transmission device includes motor, first gear, second gear and chain, described
Chain is set in the first gear and second gear, and the output shaft of the motor is connected with the first gear, described
Second gear is connected with the end of the power transmission shaft.
The granulation conveying mechanism includes conveying device, and the conveying device is passed the particle flowed out through granulating cylinder
Send；The conveying device includes driving wheel, driven pulley and drapery panel, and the drapery panel is set in the driving wheel and driven
On wheel.The conveying device also pats plate including some pieces, and the plate that pats is fixed perpendicular to the conveying direction of the drapery panel
The length direction that plate is patted on lower layer mix feeding plate, and described in guarantee is parallel with the width of the drapery panel.Described
The side of conveying device is additionally provided with several automatic spraying devices；Gas sampling dress is additionally provided with above the conveying device
Put, the waste gas collection device includes extractor fan and ventilation shaft.The extractor fan is arranged on the upper of the granulating cylinder
Side, one end of the ventilation shaft is connected with the extractor fan, and the other end of the ventilation shaft is filled parallel to the conveying
The length direction put extends to the top of the delivery device tip.The bottom of the ventilation shaft is provided with some row's ventilations
Eye.
The granulation grading discharge mechanism includes scraper, sieving, blanking funnel, hair-dryer, separator, the second discharging
Pipe, floccule collection device and siphunculus more than second.The edge of a knife of the scraper abuts in the drapery panel of the delivery device tip
On, the sieving is arranged on the lower section of the scraper and is fixed on the openend of the blanking funnel, the bottom of the blanking funnel
Portion and the siphunculus more than second are to connecting.The arrival end of the siphunculus more than second be provided with the hair-dryer, more than described second lead to
The outlet of pipe is connected with the entrance of the separator, and floccule outlet, the separator are offered on the separator
Bottom offer discharging opening.The floccule outlet is connected by second discharge nozzle with the floccule collection device
It is logical；Second discharge nozzle is connected with the discharging opening of the separator.The discharge outlet of the separator is provided with side
The 5th elevator pump is provided with disconnecting link, second discharge nozzle；
The automatic spraying device includes shower nozzle, heat inductor, receiver, electric controller, water pump and water tank；Institute
The top that shower nozzle is fixed on the drapery panel is stated, the heat inductor is distributed in what particle on drapery panel was distributed to test
Heat；The receiver receives the receiver to receive the signal that the heat inductor is sent, the electric controller
The information that sends simultaneously drives the water pump to be drawn water.
Preferably：The transmission device also include Tension gear, the Tension gear be located at the first gear with it is described
Between second gear and it is arranged on the inner side of the chain.
Preferably：A diameter of 0.8mm in the material hole.
Preferably：Closure is provided with the outside of the spout, the closure is connected with the spout using screw thread
Connect；The granulating mechanism also includes two secondary support frames, and described two secondary support frames are oppositely arranged, and two ends of the granulating cylinder are set
Put on corresponding support frame, the grain-cutter is set in the power transmission shaft in the shape of a spiral.
Preferably：The length for patting plate is not shorter than the width of the drapery panel, and the bottom for patting plate is coated with
Smooth layer.
Preferably：The two ends for patting plate length direction are respectively welded fix bar, and the bottom of the fix bar is fixed
On the ground.
Preferably：The mesh diameter of the sieving be (0.6-1.1) mm, the openend bore of the blanking funnel with it is described
That sieves is equal in magnitude；The side tool lock includes striker plate and handle of a knife, one end of the striker plate and the separator
Discharging opening is hinged, and the handle of a knife is provided with the other end of the striker plate.
Preferably：PCU Power Conditioning Unit is additionally provided with the blower fan, the PCU Power Conditioning Unit is transformer.
Preferably：The granulation grading discharge mechanism also includes two pieces of fixed plates, and two pieces of fixed plates are oppositely arranged on
The both sides of the end of the conveying device；Groove is provided with every piece of fixed block, the two ends of the scraper are respectively welded spiral shell
Bar, the screw rod, using being slidably connected, is also arranged with two nuts, nut is close to phase respectively with the groove on every screw rod
Answer the both sides of groove.
The advantage of the invention is that：
Rotated by motor, drive first gear to rotate, first gear rotates the rotation for driving second gear, second gear
Rotating drive shaft rotate, so as to drive the grain-cutter on power transmission shaft to rotate, cutting is realized, so that improves that motor installs is flexible
Property.Tensioning wheel is set between first gear and second gear, prevents chain from working long hours and relaxing deformation.By in cloth
The top of device sets extractor fan, realizes the timely absorption to organic exhaust gas.
By setting automatic spraying device in the side of conveying device, the heat for sensing surrounding by heat inductor is sent
Signal, receives signal by receiver and sends a message to electric controller, then drives pump working by electric controller, by water
It is sprayed onto from shower nozzle on drapery panel, realizes the purpose of spraying cooling.Set on lower layer mix feeding plate and pat plate, when preventing that drapery panel is long
Between work and occur wrinkle.By setting waste gas collection device, the organic exhaust gas volatilized to particle in the top of conveying device
Carry out in good time absorption.
Blower fan is set by the arrival end in siphunculus more than second, by adjusting the power of blower fan, by the particle of different stage
Classification is blown into separator, and particle is automatically fallen into discharge nozzle, and the floccule being mingled with particle is evacuated to wadding by elevator pump
In shape thing collection device, the purpose of automatic classification, automatic impurity removing is realized.Further, by the design of fixed plate, tune can be reached
Save the effect in the gap between scraper edge and drapery panel.
Brief description of the drawings
Fig. 1 is the structured flowchart of the embodiment of the present invention.
Fig. 2 is the structural representation of polyplant in the embodiment of the present invention.
Fig. 3 is the structural representation of transfer kettle in the embodiment of the present invention.
Fig. 4 is the structural representation of centrifugal separating device in the embodiment of the present invention.
Fig. 5 is the structural representation of pipeline switch filtering device in the embodiment of the present invention.
Fig. 6 is the structural representation of flange in the embodiment of the present invention.
Fig. 7 is the structural representation of polycondensation device in the embodiment of the present invention.
Fig. 8 is the structural representation of filter in the embodiment of the present invention.
Fig. 9 is the structural representation of distributing device in the embodiment of the present invention.
Figure 10 is the structural representation of granulation conveying mechanism in the embodiment of the present invention.
Figure 11 is the structural representation of automatic spraying device in the embodiment of the present invention.
Figure 12 is the partial perspective view of granulation grading discharge mechanism in the embodiment of the present invention.
Figure 13 is the structural representation of granulation grading discharge mechanism in the embodiment of the present invention.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
As shown in figure 1, the present embodiment is included polyplant, acidifying kettle, plate compression by technological process successively from front to back
Machine, transfer kettle, centrifugal separating device, thin film evaporator, molecular distillation apparatus, pipeline switch filtering device, polycondensation device, filtering
Device and granulating system.
The acidifying kettle, the plate and frame filter press, the thin film evaporator and the molecular distillation apparatus are existing
Equipment.
As shown in Fig. 2 polyplant includes polymeric kettle 101 and carries material device 102, the polymeric kettle 101 includes polymerization
First charging aperture 1013 is offered on kettle 1011 and polymerization kettle cover 1012, the polymerization kettle cover 1012.It is described to carry material device
102 include storage tank 1021, the first elevator pump 1022 and the first passage 1023.One end of first passage 1023 with
The first charging aperture 1013 is connected, the discharging opening phase of the other end of first passage 1023 and the storage tank 1021
Even, first elevator pump 1022 is arranged on first passage 1023.
As shown in figure 3, the transfer kettle include transfer still shell body 401 and contact automatic alarm system 402, it is described in
Turn to offer second charging aperture 403 on still shell body 401, the contact autoalarm 402 includes the first liquid level sensor
4021 and warning system 4022.First liquid level sensor 402 is suspended on the internal cavities of the transfer still shell body 401
In, first liquid level sensor 4021 sends induced signal and drives the warning system 4022 to send alarm signal.
As shown in figure 4, the centrifugal separating device includes centrifuge, separating tank and drainpipe 503.The centrifuge bag
Include housing 5011, upper lid 5012, rotary drum 5013, light phase weir 5014, heavy phase weir 5015.The rotary drum 5013 is arranged on the housing
5011 center, the light phase weir 5014 is arranged on the open area at the top of rotary drum 5013, and the heavy phase weir 5015 is set
Put the bottom of the lid 5012 on described.The 3rd charging aperture 5016, the first water inlet 5017, light phase are offered on the housing 5011
Outlet 5018 and heavy out 5019.3rd charging aperture 5016 and first water inlet 5017 go out positioned at the light phase
The lower section of mouth 5018 and the heavy out 5019.The first discharge outlet 50110, the first row are offered on the upper lid 5012
The mouth of a river 50110 is relative with the drainpipe 503 to be connect, and the second elevator pump 504 is provided with the drainpipe 503.The separating tank
502 are arranged in the lower section of the heavy out 5019, the separating tank 502 and are provided with baffle plate 5023, the baffle plate 5023
There is gap in bottom and the bottom of the inwall of separating tank 502.
Temperature control equipment 5021 is installed with the inwall of the rotary drum 5013, the temperature control equipment includes temperature-sensitive
Device 50211, electronic heater 50212 and heating tube 50213, the temperature test scope of the temperature detector 50211 is (50-
100)℃.Its temperature range of water flowed into through first water inlet 5017 is (85-95) DEG C, and the baffle plate 5023 is welded on institute
On the side wall for stating the internal cavities of separating tank 502, the separating tank is divided into the first cavity 5021 and the second cavity 5022.It is described
Gap is (1-5) cm, and the centrifugal separating device 5 also includes being provided with heavy phase discharge pipe 505, the heavy phase discharge pipe 505
3rd elevator pump 506, one end of the heavy phase discharge pipe 505 is connected with the heavy out 5019, the heavy phase discharge
The other end of pipe 5023 is extended in first cavity 5021 and (can extended in second cavity 5022).The heavy phase
Discharge pipe 505 is connected with the heavy out 5019, and the separating tank is provided with the universal wheel 5024 that band stays dynamic device.
As seen in figs. 5-6, the pipeline switch filtering device leads to including the first feed pipe 701, surge tank more than 702, first
Pipe 703, several filtering tanks 704, connecting tube 705 and return duct 706.The 4th elevator pump is provided with the return duct 706
707.The siphunculus more than first 703 is three-way pipe, and the three-way pipe is made up of vertical tube 7031 and transverse tube 7032.The filtering tank
704 include the first filtering tank 7041 and the second filtering tank 7042.The discharging opening phase of the vertical tube 7031 and the surge tank 702
Connection, one end of the transverse tube 7032 is connected by first flange 708 with first filtering tank 7041, the transverse tube 7031
The other end be connected by second flange 709 with second filtering tank 7042.The feeding mouth of the connecting tube 705 passes through
Three flanges 7010 are connected with the discharging opening of first filtering tank 7041 (can also be connected with the discharging opening of the second filtering tank 7042
It is logical), the discharging opening of the connecting tube 705 is connected by the 4th flange 7011 with the return duct 706.In the vertical tube 7031
On be additionally provided with main valve 7033, be provided with point valve 7034 at the two ends of the transverse tube 7031, all flanges include fixation
Blue disk 7015, mounting flange 7016 and fastener 7017.The fixed flange 7015 by the fastener 7017 with
The mounting flange 7016 connects integral, is additionally provided between the fixed flange 7015 and mounting flange 7016 close
Packing 7018, the surface of the sealing gasket 7018 is coated with waterproof, anticorrosive coat (being not drawn into figure).
As shown in fig. 7, the polycondensation device include polycondensation vessel 801, Dropping feeder 802, the first pipe bundle condenser 803 and
First airway tube 804.The inside that first pipe bundle condenser 803 passes through first airway tube 804 and the polycondensation vessel 801
Cavity is connected, and the Dropping feeder 802 includes fluid reservoir 8021, catheter 8022 and valve 8023.The catheter
8022 one end is connected with the discharging opening of the fluid reservoir 8021, and the other end of the catheter 8022 extends to the polycondensation
In the internal cavities of kettle 801, the valve 8023 is arranged on the catheter 8022.In first pipe bundle condenser 803
The first deflection plate 805 is provided with, first deflection plate 805 is connected with the condenser pipe in first pipe bundle condenser 803；Institute
Polycondensation vessel 801 is stated including polycondensation kettle 8011 and polycondensation kettle cover 8012, the polycondensation kettle 8011 include inner tank body 80111 with
The first oil inlet and the first oil-out are offered in outer tank body 80112, the outer tank body 80112.The inner tank body 80111 with
Stored at cavity between the outer tank body 80112 and offer the 4th charging aperture on fluid, the kettle cover 8012.The polycondensation
Device 8 also includes automatic temp controller 805, and the automatic temp controller 805 includes temperature sensor 8051, circulating pipe, followed
Ring pump 8053, electronic valve 8054 and fuel reserve tank 8055.The temperature sensor 8051 is arranged in the outer tank body 80112,
The circulating pump 8053 and the electronic valve 8054 are arranged on the circulating pipe.Offered on the fuel reserve tank 8055
Second oil inlet and the second oil-out, the circulating pipe 8055 include oil inlet pipe 80551 and flowline 80552.It is described
First oil inlet is connected with second oil-out by the oil inlet pipe 80551, first oil-out and described second
Oil inlet is connected by the flowline 80552.
The polycondensation device also includes thermal insulation protection set 806, and the polycondensation vessel 801 is set in the thermal insulation protection set 806
In.The circulating pump 8053 is arranged on the oil inlet pipe 80551, and the electronic valve 8054 is arranged on the flowline 80552
On.Power governor 8058 is additionally provided with the circulating pump 8053.The outside of the thermal insulation protection set 806 is provided with noncontact
Formula induction alarm device 807, the non-contact inductive warning device 807 includes infrared sensor, processor and acousto-optic report
Alarm device.The output end of the infrared sensor is connected with the input of the processor, the output end of the processor and institute
The input for stating acoustic-optic alarm is connected.
As shown in figure 8, the filter includes filter 901, the second feed pipe 902, the first discharge nozzle 903 and oil
Pipe 904.Second feed pipe 902 includes the second charging charging outer tube 9022 of inner tube 9021 and second, first discharging
Pipe 903 is included at the cavity between the first discharging discharging outer tube 9032 of inner tube 9031 and first, the outer tube of inner tube corresponding thereto
Be stored with fluid.The second charging outer tube 9022 is connected with one end of the oil pipe 904, the first discharging outer tube 9032
It is connected with the other end of the oil pipe 904.It is described first discharging inner tube 9031 and it is described second charging inner tube 9021 with
The internal cavities of the filter 901 are communicated.
The filter also includes the 5th flange 905 and the 6th flange 906, the second charging outer tube 9022 and institute
The one end for stating oil pipe 904 is connected by the 5th flange 905, the first discharging outer tube 9032 and the oil pipe 904
The other end is connected by the 6th flange 907.Automatic heating device 907, the heater are additionally provided with the oil pipe 904
907 include being additionally provided with portable power source interface 908 on temperature controller and heater, the heater.The temperature control
Device includes being provided with USB interface 909 on display screen and control device, the control device.The filter 901 includes protection
Housing 9011 and the filter assemblies 9012 being arranged on inside the protective housing.
As shown in figure 1, the granulating system includes granulating mechanism, granulation conveyer according to technological process successively from front to back
Structure and granulation grading discharge mechanism.
As shown in figs. 9-10, the granulating mechanism includes distributing device and transmission device, and the distributing device includes granulating cylinder
100111 and pellet device 100112.The pellet device 100112 includes grain-cutter 1001121 and power transmission shaft
1001122, the grain-cutter 1001121 is set in the power transmission shaft 1001122, the main part of the power transmission shaft 1001122
Divide and be housed in the cavity of the granulating cylinder 100111, the granulating cylinder is extended at the two ends of the power transmission shaft 1001122
Outside 100111 cavity.The bottom of the granulating cylinder 100111 offers several regularly arranged material holes 100113, described to make
The top of grain cylinder 100111 offers spout 100114, the material hole 100113, the spout 100114 and the sky
Chamber intercommunication.The transmission device includes motor 100122, first gear 100121, second gear 100123 and chain
100124, the chain 100124 is set in the first gear 100121 and second gear 100123, the motor
100122 output shaft is connected with the first gear 100121, the second gear 100123 and the power transmission shaft 1001122
End be connected.
The transmission device also includes Tension gear 100125, and the Tension gear 100125 is located at the first gear
Between 100122 and the second gear 100123 and it is arranged on the inner side of the chain 100124.The material hole 100113 it is straight
Footpath is 0.8mm, and the outside of the spout 100114 is provided with closure 100115, the closure 100115 and the feeding
Mouth 100114 is using threaded connection.The granulating mechanism also includes two secondary support frames 10013, the described two secondary phases of support frame 10013
To setting, two ends of the granulating cylinder 100111 are arranged on corresponding support frame 10013, the grain-cutter
1001121 are set in the power transmission shaft 1001122 in the shape of a spiral.
As shown in figs. 10-11, the granulation conveying mechanism includes conveying device, and the conveying device will be through granulating cylinder
The particle of 100111 outflows is transmitted.The conveying device includes driving wheel 100211, driven pulley 100212 and drapery panel
100213, the drapery panel 100213 is set on the driving wheel 100211 and driven pulley 100212.The conveying device
Plate 100214 also is patted including some pieces, the plate 100214 that pats is fixed on lower floor perpendicular to the conveying direction of the drapery panel
The width phase of the length direction and the drapery panel 100213 of plate 100214 is patted on drapery panel 100213, and described in guarantee
It is parallel.Several automatic spraying devices 10022 are additionally provided with the side of the conveying device.The top of the conveying device is also
Waste gas collection device is provided with, the waste gas collection device includes extractor fan 100231 and ventilation shaft 100232.It is described
Extractor fan 100231 is arranged on the top of the granulating cylinder 100111, one end and the exhausting of the ventilation shaft 100232
Device 100231 is connected, and the other end of the ventilation shaft 100231 extends to institute parallel to the length direction of the conveying device
State the top of delivery device tip.The bottom of the ventilation shaft 100232 is provided with some row's ventilation holes 100233.
The length for patting plate 100214 is not shorter than the width of the drapery panel 100213, the plate 100214 that pats
Bottom is coated with smooth layer (being not drawn into figure).The two ends for patting the length direction of plate 100214 are respectively welded fix bar
(being not drawn into figure), the bottom of the fix bar is fixed on the ground.The automatic spraying device 10022 includes shower nozzle
100221st, heat inductor, receiver, electric controller, water pump 100222 and water tank 100223.The shower nozzle 100221 is consolidated
It is scheduled on the top of the drapery panel 100213, the heat inductor is distributed in particle on drapery panel 100213 and dissipated to test
The heat of hair.The receiver receives described receive to receive the signal that the heat inductor is sent, the electric controller
Information that letter machine is sent simultaneously drives the water pump 100222 to be drawn water by motor.
As illustrated by figs. 12-13, the granulation grading discharge mechanism includes scraper 10031, sieving 10032, blanking funnel
10033rd, hair-dryer 10034, separator 10035, the second discharge nozzle 10036, floccule collection device more than 10037 and second
Siphunculus 10038.The edge of a knife of the scraper 10031 is abutted on the drapery panel 100213 of the delivery device tip, the sieving
10032 are arranged on the lower section of the scraper 10031 and are fixed on the openend of the blanking funnel 10033, the blanking funnel
10033 bottom and the siphunculus more than second 10038 are to connecting.The arrival end of the siphunculus more than second 10038 is provided with described
Hair-dryer 10034, the outlet of the siphunculus more than second are connected with the entrance of the separator 10035, the separator
Floccule outlet is offered on 10035, the bottom of the separator 10035 offers discharging opening.The floccule outlet
10035 are connected by second discharge nozzle 10036 with the floccule collection device 10037.Second discharge nozzle
10036 are connected with the discharging opening of the separator 10035.The discharge outlet of the separator 10035 is provided with side tool
The 5th elevator pump 100311 is provided with lock 100310, second discharge nozzle 10036.
It is described sieving 10032 mesh diameter be (0.6-1.1) mm, the openend bore of the blanking funnel 10033 with
It is described sieving 10032 it is equal in magnitude.The side tool lock 100310 includes striker plate 1003101 and handle of a knife 1003102, described
One end of striker plate 1003101 and the discharging opening of the separator 10035 are hinged, the other end of the striker plate 1003101
On be provided with the handle of a knife 1003102.PCU Power Conditioning Unit 100341 is additionally provided with the blower fan 10034, the power is adjusted
Regulating device 100341 is transformer.The granulation grading discharge mechanism also includes two pieces of fixed plates 10039, two pieces of fixed plates
10039 are oppositely arranged on the both sides of the end of the conveying device.Groove 100391 is provided with every piece of fixed block 10039,
The two ends of the scraper 10031 are respectively welded screw rod 100311, and the screw rod 100311 is with the groove 100391 using cunning
Two nuts 100312 are also arranged with dynamic connection, every screw rod 100311, nut is close to the both sides of corresponding groove respectively.
The production method of the present embodiment comprises the following steps：
1) vegetable oil acid, carclazyte, lithium carbonate and water are added into polymeric kettle, carries out polymerisation；
2) it will be acidified in the product press-in acidifying kettle after polymerization；
3) product after acidifying is filtered by plate and frame filter press, obtains rough dimeric dibasic acid；
4) rough dimeric dibasic acid is pressed into transfer kettle and kept in；
5) rough dimeric dibasic acid is fed into centrifugal separating device, and mixed with hot water, is centrifuged；
6) in the product feeding thin film evaporator after being centrifuged, distilled, remove steam；
7) product after being handled through thin film evaporator is fed into molecular distillation apparatus, separated；
8) the smart dimeric dibasic acid obtained after separation is fed and enters surge tank and pre-filtering in pipeline switch filtering device；
9) product for obtaining pre-filtering is pressed into polycondensation vessel, while ethylenediamine, which is added dropwise, carries out polycondensation reaction；
10) product after polycondensation reaction is filtered by filter；
11) product after filtering is fed in granulating system and granulated, obtain product.
The step 1) in the vegetable oil acid that uses for behenic acid or cotton oil acid one kind, it is the vegetable oil acid, described white
The mass ratio of native, described lithium carbonate and the water is 100：10：0.5：1.5；The reaction temperature of the polymerisation is 230
DEG C, the reaction time of polymerisation is (3-4) h；
The step 2) in the acidulant that uses be phosphoric acid, the phosphoric acid is 3 with the product quality ratio after described polymerize：
100；Reaction process is：Acidificatoin time is 1h, and reaction temperature is (150-180) DEG C；
The step 5) in add water temperature be (85-95) DEG C；
The step 6) vapourizing temperature be 160 DEG C；
The step 7) separation temperature be 230 DEG C, vacuum be below 30Pa；
The step 9) in the mol ratio of dimeric dibasic acid after pre-filtering and ethylenediamine be 1:1, reaction includes following rank
Section：
8.1) dimeric dibasic acid heating period, heating-up temperature is (125-133) DEG C；
8.2) the dropwise addition stage of ethylenediamine, time for adding is (25-35) min；
8.3) heat up polycondensation phase, and temperature rises to (190-205) DEG C；
8.4) constant temperature stage, temperature control is (215-225) DEG C；The isothermal reaction time is (3-4) h；
8.5) decompression phase, is depressurized under 5mmHg.
The present embodiment is by the way that vegetable oil acid, carclazyte, lithium carbonate and water are added into polymeric kettle 101, and progress polymerize anti-
Should, and the heavy metal ion in adsorption reaction thing, then will be acidified in the product press-in acidifying kettle after polymerization；Pass through sheet frame pressure
Filter is filtered to the product after acidifying, obtains rough dimeric dibasic acid, and rough dimeric dibasic acid is pressed into transfer kettle and kept in.Pass through
Rough dimeric dibasic acid is fed into centrifugal separating device, and mixed with hot water, is centrifuged, the product after being centrifuged
Feed successively in thin film evaporator and molecular distillation apparatus, distilled, separated, obtain smart dimeric dibasic acid.By what is obtained after distillation
Smart dimeric dibasic acid, which is fed into pipeline switch filtering device, enters people's surge tank 702 and pre-filtering tank 704；The product that pre-filtering is obtained
Polycondensation vessel 801 is pressed into, while ethylenediamine, which is added dropwise, carries out polycondensation reaction；The product after polycondensation reaction is entered by filter again
Row filtering；It will be granulated in product feeding granulating system after filtering, obtain product.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of innovation and creation etc., should be included in the invention
Protection domain within.
Claims (9)
1. a kind of polyamide granulating system, it is characterised in that：The granulating system includes successively from front to back according to technological process
Granulating mechanism, granulation conveying mechanism and granulation grading discharge mechanism；
The granulating mechanism includes distributing device and transmission device, and the distributing device includes granulating cylinder and pellet device；It is described
Pellet device includes grain-cutter and power transmission shaft, and the grain-cutter is set in the power transmission shaft, the main part of the power transmission shaft
Divide and be housed in the cavity of the granulating cylinder, the two ends of the power transmission shaft are extended outside the cavity of the granulating cylinder；It is described to make
The bottom of grain cylinder offers spout is offered at the top of several regularly arranged material holes, the granulating cylinder, the material hole, feeds
Material mouth and the cavity intercommunication；The transmission device includes motor, first gear, second gear and chain, the chain
It is set in the first gear and second gear, the output shaft of the motor is connected with the first gear, described second
Gear is connected with the end of the power transmission shaft；
The granulation conveying mechanism includes conveying device, and the conveying device is passed the particle flowed out through the granulating cylinder
Send；The conveying device includes driving wheel, driven pulley and drapery panel, and the drapery panel is set in the driving wheel and driven
On wheel；The conveying device also pats plate including some pieces, and the plate that pats is fixed perpendicular to the conveying direction of the drapery panel
The length direction that plate is patted on lower layer mix feeding plate, and described in guarantee is parallel with the width of the drapery panel；Described
The side of conveying device is additionally provided with several automatic spraying devices；Gas sampling dress is additionally provided with above the conveying device
Put, the waste gas collection device includes extractor fan and ventilation shaft；The extractor fan is arranged on the upper of the granulating cylinder
Side, one end of the ventilation shaft is connected with the extractor fan, and the other end of the ventilation shaft is filled parallel to the conveying
The length direction put extends to the top of the delivery device tip；The bottom of the ventilation shaft is provided with some row's ventilations
Eye；
The granulation grading discharge mechanism includes scraper, sieving, blanking funnel, hair-dryer, separator, the second discharge nozzle, wadding
Shape thing collection device and siphunculus more than second；The edge of a knife of the scraper is abutted on the drapery panel of the delivery device tip, institute
Sieving is stated to be arranged on the lower section of the scraper and be fixed on the openend of the blanking funnel, the bottom of the blanking funnel and institute
Siphunculus more than second is stated to connection；The arrival end of the siphunculus more than second is provided with the hair-dryer, the siphunculus more than second and gone out
Mouth is connected with the entrance of the separator, and floccule outlet, the bottom of the separator are offered on the separator
Offer discharging opening；The floccule outlet is connected by second discharge nozzle with the floccule collection device；It is described
Second discharge nozzle is connected with the discharging opening of the separator；The discharge outlet of the separator is provided with side tool lock, institute
State and the 5th elevator pump is provided with the second discharge nozzle；
The automatic spraying device includes shower nozzle, heat inductor, receiver, electric controller, water pump and water tank；The spray
Head is fixed on the top of the drapery panel, and the heat inductor is distributed in the heat that particle on drapery panel is distributed to test
Amount；The receiver receives the receiver hair to receive the signal that the heat inductor is sent, the electric controller
The information that goes out simultaneously drives the water pump to be drawn water.
2. a kind of polyamide granulating system according to claim 1, it is characterised in that：The transmission device also includes tensioning
Gear, the Tension gear is located between the first gear and the second gear and is arranged on the inner side of the chain.
3. a kind of polyamide granulating system according to claim 1, it is characterised in that：A diameter of 0.8mm in the material hole.
4. a kind of polyamide granulating system according to claim 1, it is characterised in that：It is provided with the outside of the spout
Closure, the closure is used with the spout and is threadedly coupled；The granulating mechanism also includes two secondary support frames, described two
Secondary support frame is oppositely arranged, and two ends of the granulating cylinder are arranged on corresponding support frame, and the grain-cutter is helically
Shape is set in the power transmission shaft.
5. a kind of polyamide granulating system according to claim 1, it is characterised in that：The length for patting plate is not shorter than
The width of the drapery panel, the bottom for patting plate is coated with smooth layer.
6. a kind of polyamide granulating system according to claim 1, it is characterised in that：It is described to pat the two of plate length direction
End is respectively welded fix bar, and the bottom of the fix bar is fixed on the ground.
7. a kind of polyamide granulating system according to claim 1, it is characterised in that：The mesh diameter of the sieving is
0.6-1.1mm, the openend bore of the blanking funnel is equal in magnitude with the sieving；The side tool lock include striker plate with
And handle of a knife, one end of the striker plate and the discharging opening of the separator are hinged, are provided with the other end of the striker plate
The handle of a knife.
8. a kind of polyamide granulating system according to claim 1, it is characterised in that：Power is additionally provided with the blower fan
Adjusting means, the PCU Power Conditioning Unit is transformer.
9. a kind of polyamide granulating system according to claim 1, it is characterised in that：The granulation grading discharge mechanism is also
Including two pieces of fixed plates, two pieces of fixed plates are oppositely arranged on the both sides of the end of the conveying device；On every piece of fixed block
Groove is provided with, the two ends of the scraper are respectively welded screw rod, and the screw rod is used with the groove and is slidably connected, every
Two nuts are also arranged with screw rod, nut is close to the both sides of corresponding groove respectively.
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| US3265779A (en) * | 1963-12-06 | 1966-08-09 | United States Steel Corp | Method and apparatus for pelletizing pitch |
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| CN202490775U (en) * | 2012-03-16 | 2012-10-17 | 蔡建国 | Plastic powder particle separating device |
| CN204354339U (en) * | 2014-11-25 | 2015-05-27 | 界首市永恒工贸有限公司 | A kind of pellet device of comminutor |
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| US4863106A (en) * | 1988-10-13 | 1989-09-05 | Tde, Inc. | Process for low temperature comminution of scrap tires |
| KR100351868B1 (en) * | 2001-11-15 | 2002-09-13 | Kolon Construction Co Ltd | Method for freezing pulverizing waste materials using freezing gas |
| CN201325128Y (en) * | 2008-12-08 | 2009-10-14 | 江阴市杲信化纤有限公司 | Regenerated modified polylactic acid air cooing granulation equipment |
| CN102773940B (en) * | 2012-08-16 | 2014-12-24 | 高城 | Polyacrylamide cutting and conveying device |
| CN103909590B (en) * | 2013-11-26 | 2017-01-25 | 大连隆星新材料有限公司 | Apparatus for screening and conveying paraffin particles |
| CN204712298U (en) * | 2015-06-25 | 2015-10-21 | 安庆市虹泰新材料有限责任公司 | A kind of polyamide granulating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3265779A (en) * | 1963-12-06 | 1966-08-09 | United States Steel Corp | Method and apparatus for pelletizing pitch |
| CN202447448U (en) * | 2012-02-02 | 2012-09-26 | 安徽跨宇钢结构网架工程有限公司 | Automatic adjusting and leveling structure of cold-bent C-shaped steel forming machine |
| CN202490775U (en) * | 2012-03-16 | 2012-10-17 | 蔡建国 | Plastic powder particle separating device |
| CN204354339U (en) * | 2014-11-25 | 2015-05-27 | 界首市永恒工贸有限公司 | A kind of pellet device of comminutor |
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| CN104943011A (en) | 2015-09-30 |
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