CN105563683B - The method and its special equipment of master batch are produced in a kind of directly mixing of PET melt - Google Patents
The method and its special equipment of master batch are produced in a kind of directly mixing of PET melt Download PDFInfo
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- CN105563683B CN105563683B CN201610065968.1A CN201610065968A CN105563683B CN 105563683 B CN105563683 B CN 105563683B CN 201610065968 A CN201610065968 A CN 201610065968A CN 105563683 B CN105563683 B CN 105563683B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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Abstract
The method and its special equipment of master batch are produced in a kind of directly mixing of PET melt, described method includes introducing melt from main melt pipe, proportionally it is mixed into after delustering agent and dispersant to mix at the beginning of entering twin (double) screw extruder progress low speed under negative pressure state and is blended again by ultrasonic dynamic mixer, pelletizing, drying, packing after water cooled, are made corresponding master batch；Described equipment includes extruder assembly, auxiliary material storehouse assembly, dispersant feed bin assembly, ultrasound dynamic mixing assembly, pelletizing assembly, dry baling press and control cabinet, main melt pipe is connected on the discharging opening of discharging assembly, main melt pipe passes through branch melt pipe and the first charging aperture pipeline communication of extruder assembly, the second charging aperture pipeline connection of the corresponding discharging opening and extruder assembly for being fed assembly.The beneficial effects of the invention are as follows：Small, steady quality drops in viscosity, good spinnability, reduces the processes such as section pelletizing, drying, solid phase polycondensation, milling, reduces cost.
Description
Technical field
The present invention relates to the method and its special equipment that master batch is produced in a kind of directly mixing of PET melt.
Background technology
It is that these carriers are bought by master batch factory with sliced form, by this using carriers such as PET or PBT that master batch, which is produced, at present
Functional powder is mixed into after a little carrier grinds, is melted by twin-screw extruder and carries out high-rate of shear, the mixing of high rotating speed
After be sent into pelleter, obtain master batch after granulated and dried.But needed during the twin-screw extruder being related in conventional processing routes
Rotation mixing at a high speed, it is obvious that this make it that the viscosity under shear action caused by high speed rotation of the raw material after melting declines, so as to need
To have in raw material selection from the loss that viscosity reduces during high viscous section compensation film-making, this causes master batch to be fabricated to
This is higher；In addition, in traditional handicraft generally when need by it is manufactured section melted and then with corresponding delustering agent and divide
Powder is cut into slices again again after being mixed, complex steps, and centre easily causes the wasting of resources.
The content of the invention
The present invention easily causes melt viscosity reduction, complex process, waste of resource for current technique, and cost is high to ask
Topic, it is proposed that a kind of viscosity reduces unobvious, reduces the processes such as section pelletizing, drying, solid phase polycondensation, milling, and electricity is greatly reduced
The method and its special equipment of master batch are produced in the melt directly mixing of power, packed and transported expense.
A kind of PET melt of the present invention directly mixes the method for producing master batch, comprises the following steps：
Step 1. introduces the melt that viscosity is 0.62-0.65dl/g from the main melt pipes of PET, is proportionally mixed into delustering agent
And dispersant, obtain compound, described melt：Delustering agent：The mass ratio of dispersant is 1：0.19~0.49：0.005~
0.2；Described melt is PET, and described delustering agent is titanium dioxide, and described dispersant is titanate coupling agent；
The compound that step 1 obtains is entered twin (double) screw extruder by step 2. under negative pressure state, is reached in melt pressure
10MPa~15MPa conditions carry out it is just mixed form just consolute body, wherein the rotating speed of described twin (double) screw extruder be 80~
150rpm；
The first consolute body that step 3. comes out from twin (double) screw extruder, which first passes through ultrasonic dynamic mixer and is blended, to be mixed
Solution；
Pelletizing, drying, packing after the miscible body water cooling that step 4. comes out ultrasonic dynamic mixer, are made corresponding mother
Grain.
The mass ratio of melt, delustering agent and dispersant is in step 1：50：49：1；Twin-screw extruder captain in step 2
Footpath ratio is 35；The supersonic frequency of the ultrasonic dynamic mixer of step 3 is 100,000-20 ten thousand Hz, rotating speed 30-50rpm.
Utilize the special equipment of method of the present invention, it is characterised in that：Including extruder assembly, auxiliary material storehouse assembly,
Dispersant feed bin assembly, ultrasound dynamic mixing assembly, pelletizing assembly, dry baling press and control cabinet, main melt pipe are connected in out
On the discharging opening for expecting assembly, described main melt pipe passes through the first charging aperture of branch melt pipe and described extruder assembly
Pipeline communication, discharging opening configuration the first feed assembly of described auxiliary material storehouse assembly, the discharging of described dispersant feed bin assembly
Mouthful configuration second feed assembly, and first feed assembly discharging opening, second feed assembly with described extruder assembly
Second charging aperture pipeline connection, extruder assembly discharging opening and described ultrasound dynamic mixs the charging aperture pipeline company of assembly
Logical, the discharge outlet of described ultrasound dynamic mixing assembly is furnished with cooling device and pelletizing assembly for cooling down；Described cuts
The discharge outlet of grain assembly, which is furnished with, dries baling press；The control of described auxiliary material storehouse assembly, dispersant feed bin assembly, pelletizing assembly
Control end signal corresponding with described control cabinet is connected respectively at end；
Described extruder assembly includes twin (double) screw extruder, the first frequency converter, the first motor and first pressure controller,
It is furnished with the first temperature controller in the chuck of described twin (double) screw extruder；Described twin (double) screw extruder sets first charging aperture, the
Two charging apertures and extruder assembly discharging opening, described first pressure controller are arranged at described extruder assembly discharge outlet
Pipeline on；The output shaft of the first described motor is connected with the power intake of described twin (double) screw extruder, and described
The transmission of electricity control terminal of one motor is furnished with the first frequency converter；The first described frequency converter is furnished with corresponding first rotational speed governor；Institute
The signal feedback end for the first pressure controller stated is connected with the signal feedback end of the first described frequency converter；
Described auxiliary material storehouse assembly includes auxiliary material powder material warehouse, powder drying storehouse and the first feed assembly, described auxiliary material
The charging aperture pipeline connection in the discharging opening of powder material warehouse and described powder drying storehouse, the discharging opening in described powder drying storehouse with
The charging aperture pipeline connection of the first described feed assembly, the discharging opening of the described first feed assembly squeeze with described twin-screw
The second charging aperture pipeline connection of press；
Described dispersant feed bin assembly includes dispersant feed bin, dispersant dryness storehouse and the second feed assembly, described
Dispersant feed bin discharging opening and described dispersant dryness storehouse charging aperture pipeline connection, described dispersant dryness storehouse
The charging aperture pipeline connection of discharging opening and described second feed assembly, the discharging opening of the described second feed assembly with it is described
The second charging aperture pipeline connection of twin (double) screw extruder；
The control terminal of the first described feed assembly, described second are fed the control terminal of assembly, described pelletizing assembly
Control terminal corresponding with described control cabinet control port signal connection respectively.
The first described feed assembly includes the first rotary metering dispenser, the second motor and the second frequency converter, described
The charging aperture of first rotary metering dispenser connects with the discharging opening in corresponding powder drying storehouse；The first described rotary metering is given
The second charging aperture pipeline connection of the discharging opening of glassware and described twin (double) screw extruder；The output shaft of the second described motor with
The power input shaft of described rotary metering dispenser is connected, and the transmission of electricity control terminal of the second described motor becomes equipped with second
Frequency device, the control terminal of the second described frequency converter are connected with the corresponding control port of described control cabinet；Described second is given
Material assembly includes the second rotary metering dispenser, the 7th motor and the 7th frequency converter, the second described rotary metering dispenser
Charging aperture connects with the discharging opening of corresponding dispersant dryness storehouse；The discharging opening of the second described rotary metering dispenser with it is described
Twin (double) screw extruder second charging aperture pipeline connection；The output shaft of the 7th described motor and the second described rotary metering
The power input shaft of dispenser is connected, and the transmission of electricity control terminal of the 7th described motor is furnished with the 7th frequency converter, and described
The control terminal of seven frequency converters is connected with the corresponding control port of described control cabinet.
Described ultrasound dynamic mixing assembly is set including ultrasonic dynamic mixer, the 3rd motor, the 3rd frequency converter and cooling
Standby, the described charging aperture of ultrasonic dynamic mixer and the discharging opening pipeline connection of described twin (double) screw extruder, described is super
The power intake of sound dynamic mixer is connected with the clutch end of the 3rd described motor, the control of the 3rd described motor
End is connected with the signal output part of the 3rd described frequency converter.
Described pelletizing assembly includes pelleter, the 4th motor and the 4th frequency converter, and the charging aperture of described pelleter is set
The discharge outlet in described ultrasonic dynamic mixer is put, the output end of described stock-cutter is entered with described drying baling press
Material mouth connects, and the output end of the 4th described motor is connected with the power intake of described pelleter, the 4th described motor
Control terminal be connected with the signal output part of the 4th described frequency converter；The signal input part of the 4th described frequency converter with it is described
The corresponding control port of control cabinet be connected.
It is furnished with corresponding measuring pump, and the power intake of described measuring pump and the 5th on described branch melt pipe
The output shaft of motor is connected, the control terminal and the signal of the 5th frequency converter of the second speed display of configuration of the 5th described motor
Output end is connected；The signal input part control port corresponding with described control cabinet of the 5th described frequency converter is connected.
Described powder drying storehouse and described dispersant dryness storehouse are all jacket type structure, wherein described powder drying
Second temperature controller is set in the chuck in storehouse, the 3rd temperature controller, powder drying storehouse are set in the chuck of described dispersant dryness storehouse
And the inner chamber of dispersant dryness storehouse is equipped with corresponding agitating paddle, and the output shaft phase of agitating paddle upper end and corresponding motor
Even；Described powder drying storehouse is furnished with corresponding level sensor with described dispersant dryness storehouse top, and described powder is done
Dry storehouse bottom and described dispersant dryness storehouse bottom are furnished with the low report inductor of corresponding liquid level；Described powder drying storehouse,
Described dispersant dryness storehouse is connected by pipeline with vacuum system respectively, and guarantee powder drying storehouse is true with dispersant dryness storehouse
Reciprocal of duty cycle；Pipeline, described dispersant feed bin between described auxiliary material powder material warehouse and described powder drying storehouse with it is described
Pipeline between dispersant dryness storehouse, it is equipped with corresponding control valve on the pipeline connected with vacuum system；Described powder is done
Corresponding pressure controller is respectively configured in dry storehouse, described dispersant dryness storehouse.
Described discharging assembly includes discharging pump, the 6th motor and the 6th frequency converter, the power input of described discharging pump
End is connected with the output shaft of the 6th motor, the control terminal of the 6th described motor and the 6th frequency conversion of the 3rd speed display of configuration
The signal output part of device is connected；The signal input part of the 6th described frequency converter and corresponding 3rd pressure controller signal phase
Even.
Auxiliary material in described auxiliary material storehouse is delustering agent.
The beneficial effects of the invention are as follows：1) saving section manufacturing cost is produced than conventional master batch：Master batch is produced using melt
PET or PBT coolings, pelletizing, drying and energy spent by solid phase polycondensation can be saved, the packaging of section packing can also be saved
Take；2) saving section milling cost is produced than conventional master batch：Section milling process, the work can be saved by producing master batch using melt
Sequence will cut into slices and wear into the mesh powder of diameter about 500, it is necessary to consume higher electric power；3) saving support powder is produced than conventional master batch
Melting cost, reduce power consumption；4) viscosity drop can be greatly decreased by being produced than conventional master batch, lift master batch quality：It is conventional female
Grain is produced to ensure that mixing uniformity should meet yield and mixing uniformity needs using high rotating speed twin-screw, what high rotating speed was brought
High shear can cause the viscosity of carrier to decline to a great extent, and about drop to original 0.5 times.At the beginning of the present invention carries out low speed using twin-screw
After mixed, then pass through ultrasonic dynamic mixer and be efficiently blended, on the premise of mixing uniformity is ensured, viscosity drops to melt
0.8 times.Therefore it is the viscosity requirement (typically requiring 0.4dl/g or so) for meeting master batch, conventional master batch producer need to purchase high viscous
Section；In summary, small, steady quality, good spinnability drop in the viscosity for master batch being produced using melt, and next melt produces master batch
Cost can reduce the processes such as section pelletizing, drying, solid phase polycondensation, milling than conventional master batch technique, and electric power, packaging fortune is greatly reduced
It is defeated to take, reduce cost more than 1000 yuan/ton.
Brief description of the drawings
Fig. 1 is the conventional artwork for producing master batch.
Fig. 2 is the process chart of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of PET melt of the present invention of embodiment 1 directly mixes the method for producing master batch, comprises the following steps：
Step 1. introduces the melt that viscosity is 0.63dl/g from the main melt pipes of PET, and delustering agent is mixed into according to mass ratio
(49%) and dispersant (1%), compound is obtained；Delustering agent and dispersant are proportionally mixed into, obtains compound, described is molten
Body：Delustering agent：The mass ratio of dispersant is 1：0.49：0.01；Described melt is PET, and described delustering agent is titanium dioxide,
Described dispersant is titanate coupling agent；
The compound that step 1 obtains is entered twin (double) screw extruder under negative pressure state and carries out low speed (120rpm) by step 2.
It is just mixed, form just consolute body；
The first consolute body that step 3. comes out from twin (double) screw extruder, which first passes through ultrasonic dynamic mixer and is blended, to be mixed
Solution；
Pelletizing, drying, packing after the consolute body water cooling that step 4. comes out ultrasonic dynamic mixer, are made corresponding mother
Grain.
The mass ratio of melt, delustering agent and dispersant is in step 1：50：49：1；Twin-screw extruder captain in step 2
Footpath ratio is 35, and speed is；The supersonic frequency of the ultrasonic dynamic mixer of step 3 is 100,000-20Hz, rotating speed 30-50rpm.
The special equipment that embodiment 2 is built using the method described in embodiment 1, including extruder assembly 1, auxiliary material storehouse assembly
2nd, dispersant feed bin assembly 3, ultrasound dynamic mixing assembly 4, pelletizing assembly 5, dry baling press 6 and control cabinet, main melt pipe 7
It is connected on the discharging opening of discharging assembly 8, described main melt pipe 7 passes through branch melt pipe 71 and described extruder assembly 1
First charging aperture pipeline communication, described auxiliary material storehouse assembly 2 discharging opening configuration first feed assembly 91, described dispersant
Discharging opening configuration the second feed assembly 92 of feed bin assembly 3, and the discharging opening of the first feed assembly 91, the second feed assembly 92
It is mixed with the second charging aperture pipeline connection of described extruder assembly 1, the discharging opening of extruder assembly 1 and described ultrasound dynamic
The charging aperture pipeline connection of assembly 4 is closed, the discharge outlet of described ultrasound dynamic mixing assembly 4 is furnished with to be set for the cooling cooled down
Standby 41 and pelletizing assembly 5；The discharge outlet of described pelletizing assembly 5, which is furnished with, dries baling press 6；Described auxiliary material storehouse assembly 2, point
Powder feed bin assembly 3, control end signal corresponding with described control cabinet is connected the control terminal of pelletizing assembly 5 respectively；
Described extruder assembly 1 includes twin (double) screw extruder 11, the first frequency converter 12, the first motor 13 and first pressure
Controller 14, the chuck of described twin (double) screw extruder 11 is interior to be furnished with the first temperature controller 111；Described twin (double) screw extruder 11 is set
First charging aperture, second charging aperture and extruder assembly discharging opening are put, described first pressure controller 14 is arranged at described
On the pipeline of extruder assembly discharge outlet；The output shaft of the first described motor 13 is dynamic with described twin (double) screw extruder 11
Power input connects, and the transmission of electricity control terminal of the first described motor 13 is furnished with the first frequency converter 12；The first described frequency converter 12
Equipped with corresponding first rotational speed governor 15；The signal feedback end of described first pressure controller 14 and the first described frequency conversion
The signal feedback end of device 12 is connected；
Described auxiliary material storehouse assembly 2 includes auxiliary material powder material warehouse 21, powder drying storehouse 22 and first is fed assembly 91, described
Auxiliary material powder material warehouse 21 discharging opening and the charging aperture pipeline connection in described powder drying storehouse 22, described powder drying storehouse
The charging aperture pipeline connection of 22 discharging opening and the first described feed assembly 91, the discharging opening of the described first feed assembly 91
With the second charging aperture pipeline connection of described twin (double) screw extruder 11；
Described dispersant feed bin assembly 3 includes dispersant feed bin 31, dispersant dryness storehouse 32 and second is fed assembly
92, the charging aperture pipeline connection of the discharging opening of described dispersant feed bin 31 and described dispersant dryness storehouse 32, described point
The charging aperture pipeline connection of the discharging opening of powder dryness storehouse 32 and the second described feed assembly 92, the described second feed assembly
The second charging aperture pipeline connection of 92 discharging opening and described twin (double) screw extruder 11；
The control terminal of the first described feed assembly 91, described second are fed the control terminal of assembly 92, described pelletizing
The control port signal connection corresponding with described control cabinet respectively of the control terminal of assembly 5.
The first described feed assembly 91 includes the first rotary metering dispenser 911, the second motor 912 and the second frequency converter
913, the charging aperture of the first described rotary metering dispenser 911 connects with the discharging opening in corresponding powder drying storehouse 22；It is described
The first rotary metering dispenser 911 discharging opening and described twin (double) screw extruder 11 second charging aperture pipeline connection；Institute
The output shaft for the second motor 912 stated is connected with the power input shaft of described rotary metering dispenser 911, and described
The transmission of electricity control terminal of two motors 912 is furnished with the second frequency converter 913, the control terminal of the second described frequency converter 913 and described control
The corresponding control port of case processed is connected；The second described feed assembly 92 includes the electricity of the second rotary metering dispenser the 921, the 7th
The frequency converter 923 of machine 922 and the 7th, charging aperture and the corresponding dispersant dryness storehouse of the second described rotary metering dispenser 921
Discharging opening connection；The discharging opening of the second described rotary metering dispenser 921 and the second of described twin (double) screw extruder 11
Charging aperture pipeline connection；The power of the output shaft of the 7th described motor 922 and the second described rotary metering dispenser 921 is defeated
Enter axle to be connected, and the transmission of electricity control terminal of the 7th described motor 922 is furnished with the 7th frequency converter 923, the 7th described frequency converter
923 control terminal is connected with the corresponding control port of described control cabinet.
Described ultrasound dynamic mixing assembly 4 includes ultrasonic dynamic mixer 43, the 3rd motor 44, the and of the 3rd frequency converter 42
Cooling device 41, the discharging opening pipeline of the charging aperture of described ultrasonic dynamic mixer 43 and described twin (double) screw extruder 11 connect
Logical, the power intake of described ultrasonic dynamic mixer 43 is connected with the clutch end of the 3rd described motor 44, described
The control terminal of the 3rd motor 44 be connected with the signal output part of the 3rd described frequency converter 42.
Described pelletizing assembly 5 includes pelleter 51, the 4th motor 52 and the 4th frequency converter 53, described pelleter 51
Charging aperture is arranged on the discharge outlet of described ultrasonic dynamic mixer 43, and the output end of described stock-cutter 51 is done with described
The charging aperture connection of dry baling press 6, the output end and the power intake phase of described pelleter 51 of the 4th described motor 52
Even, the control terminal of the 4th described motor 52 is connected with the signal output part of the 4th described frequency converter 53；Described the 4th becomes
The signal input part of frequency device 53 control port corresponding with described control cabinet is connected.
It is furnished with corresponding measuring pump 72, and the power intake of described measuring pump 72 on described branch melt pipe 71
It is connected with the output shaft of the 5th motor 73, the control terminal of the 5th described motor 73 and the 5th of the second speed display 74 of configuration
The signal output part of frequency converter 75 is connected；The signal input part of the 5th described frequency converter 75 is corresponding with described control cabinet to be controlled
Port processed is connected.
Described powder drying storehouse 22 and described dispersant dryness storehouse 32 are all jacket type structure, wherein described powder
Second temperature controller 221 is set in the chuck of dryness storehouse 22, the 3rd temperature controller is set in the chuck of described dispersant dryness storehouse 32
321, the inner chamber of powder drying storehouse 22 and dispersant dryness storehouse 32 is equipped with corresponding agitating paddle (222,322), and stirs
Oar upper end is connected with the output shaft of corresponding motor (223,323)；Dried with described dispersant in described powder drying storehouse 22
The top of storehouse 32 is furnished with corresponding level sensor (224,324), and the described bottom of powder drying 22 and described dispersant are done
The dry bottom of storehouse 32 is equipped with the low report inductor (225,325) of corresponding liquid level；Described powder drying storehouse 22, described dispersant are done
Dry 32 are connected by pipeline with vacuum system 10 respectively, ensure powder drying storehouse 22 and the vacuum of dispersant dryness storehouse 32；Institute
Pipeline, described dispersant feed bin 31 and described point between the auxiliary material powder material warehouse 21 stated and described powder drying storehouse 22
Pipeline between powder dryness storehouse 32, it is equipped with corresponding control valve on the pipeline connected with vacuum system 10；Described powder
Corresponding second pressure controller (226,326) is respectively configured in dryness storehouse 22, described dispersant dryness storehouse 32.
Described discharging assembly 8 includes discharging pump 81, the 6th motor 82 and the 6th frequency converter 83, described discharging pump 81
Power intake is connected with the output shaft of the 6th motor 82, and control terminal and the 3rd rotating speed of configuration of the 6th described motor 82 are shown
The signal output part of 6th frequency converter 83 of device 84 is connected；The signal input part and the corresponding 3rd of the 6th described frequency converter 83
The signal of pressure controller 85 is connected.
Auxiliary material in described auxiliary material powder material warehouse 21 is delustering agent.
In addition, reference picture 1, traditional equipment are：The main ＇ charging apertures of melt pipe 1 are connected with the ＇ of discharging pump 2, main melt pipe
1 ＇ discharging opening is connected with the ＇ charging aperture pipelines of pelleter 3, then from the ＇ discharging openings of pelleter 3 come out section through drying 4 ＇ and
Solid phase enters the section ＇ of flour mill 6 after concentrating 5 ＇, and the charging aperture of now cut into slices the ＇ piece mouths of flour mill 6 and the ＇ of filler bin 7 that cuts into slices connects
It is logical, the ＇ of section filler bin 7 ＇ discharge outlets configuration first set rotary metering dispenser 8；Dispersant is added in the ＇ of dispersant auxiliary material storehouse 9,
The ＇ discharging openings of dispersant auxiliary material storehouse 9 and the ＇ charging aperture pipeline connections of dispersant feed bin 10, the ＇ discharge outlets of dispersant feed bin 10 configuration the
Two sets of ＇ of rotary metering dispenser 11；Delustering agent is added in the ＇ of powder auxiliary material storehouse 12, and the ＇ of powder auxiliary material storehouse 12 discharging opening and powder
The ＇ charging aperture pipeline connections of body feed bin 13, the ＇ discharge outlets of powder material warehouse 13 equally the 3rd set of rotary metering dispenser 14 ＇ of configuration, three
The raw material of the discharging opening discharge of set rotary metering dispenser (8 ＇, 11 ＇, 14 ＇) adds the ＇ of twin (double) screw extruder 15 simultaneously by pipeline
Charging aperture at, and the ＇ discharging openings of twin (double) screw extruder 15 are connected with second set of ＇ charging aperture of pelleter 16, second set of pelleter
16 ＇ discharging openings are connected with drying the ＇ of baling press 17；Pipeline, the powder wherein cut into slices between the ＇ of flour mill 6 and the ＇ of filler bin 7 that cuts into slices are auxiliary
On the pipeline between pipeline and the ＇ of dispersant auxiliary material storehouse 9 and the ＇ of dispersant feed bin 10 between the ＇ of feed bin 12 and the ＇ of powder material warehouse 13
It is respectively provided with corresponding feed valve (20 ＇, 18 ＇, 19 ＇), three sets of rotary metering dispensers (8 ＇, 11 ＇, 14 ＇) while is controlled by control
Case processed；
In accompanying drawing 1,2：
For motor；For temperature control；For Stress control；
For Liquid level；Shown for rotating speed；For the low report of liquid level.
3 conventional master batch of embodiment is produced produces master batch contrast with melt
1st, conventional master batch produces case：Carrier PET, matt master, the ton day of yield 3：
Master batch factory buys carrier as the high viscous sections (section is made by polymerization, pelletizing, drying, solid phase polycondensation) of PET,
Viscosity is 0.82dl/g.Carrier first passes through flour mill and wears into mesh of diameter about 500 or so.Using powder metering by 40% delustering agent
(TiO2), 59% support powder and 1% dispersant are sent into twin (double) screw extruder (draw ratio 44), and twin-screw rotating speed is
300rpm, the melt come out from screw extruder pass through water cooling, pelletizing and drying and packaging, master batch viscosity 0.40dl/g.
2nd, melt produces master batch case：Carrier PET, matt master, the ton day of yield 3：
The melt that viscosity is 0.62dl/g is introduced from main melt pipe, the melt of introducing first passes through metering pump-metered, measures
Signal delivers to delustering agent tropometer measuring device and dispersant tropometer measuring device, and three kinds of compositions are set as melt by weight proportion
70%, delustering agent 29%, dispersant 1%.Enter twin (double) screw extruder (draw ratio 35), double spiral shells under negative pressure state simultaneously
Bar extruder not higher than 100rpm speed to run, to control the outlet pressure of screw rod (Stress control is in 3.0MPa).From screw rod
The melt that extruder comes out first passes through ultrasonic dynamic mixer and carries out efficiently blending (supersonic frequency is 100,000 Hz, dynamic mixer
Rotating speed 35rpm).Mixed melt is sent into pelleter pelletizing after Cast Strip hole is cooled down into tank, pelleter rotating speed by
Pump signal control is measured, to ensure that particle size is homogeneous.Packed after being dried after the completion of pelletizing.
To reduce powder reuniting, and melt viscosity drop is reduced as far as possible, carrying out heating in vacuum to delustering agent and dispersant does
It is dry, air can be also reduced while improving dispersed and moisture enters twin-screw, reduces viscosity drop.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. the special equipment of the method for master batch is produced in a kind of directly mixing of PET melt, described method comprises the following steps：
Step 1. introduces the melt that viscosity is 0.62-0.65dl/g from the main melt pipes of PET, be proportionally mixed into delustering agent and
Dispersant, obtain compound, described melt：Delustering agent：The mass ratio of dispersant is 1：0.19~0.49：0.005~0.2；Institute
The melt stated is PET melt, and described delustering agent is titanium dioxide, and described dispersant is titanate coupling agent；
The compound that step 1 obtains is entered twin (double) screw extruder by step 2. under negative pressure state, reaches 10MPa in melt pressure
~15 MPa conditions carry out just mixed formation just consolute body, wherein the rotating speed of described twin (double) screw extruder is 80 ~ 150rpm；
The first consolute body that step 3. comes out from twin (double) screw extruder is blended to obtain miscible body by ultrasonic dynamic mixer；
Pelletizing, drying, packing after the miscible body water cooling that step 4. comes out ultrasonic dynamic mixer, are made corresponding master batch;
Twin (double) screw extruder draw ratio in step 2 is 35；The supersonic frequency of the ultrasonic dynamic mixer of step 3 is 100,000-20
Ten thousand Hz, rotating speed 30-50rpm;
It is characterized in that：Including extruder assembly, auxiliary material storehouse assembly, dispersant feed bin assembly, ultrasound dynamic mixing assembly, pelletizing
Assembly, baling press and control cabinet are dried, main melt pipe is connected on the discharging opening of discharging assembly, and described main melt pipe passes through
The first charging aperture pipeline communication of branch melt pipe and described extruder assembly, the discharging opening configuration of described auxiliary material storehouse assembly
First feed assembly, discharging opening configuration the second feed assembly of described dispersant feed bin assembly, and the first feed assembly
The second charging aperture pipeline connection of discharging opening, the second feed assembly with described extruder assembly, extruder assembly discharging opening
The charging aperture pipeline connection of assembly is mixed with described ultrasound dynamic, the discharge outlet of described ultrasound dynamic mixing assembly is furnished with
Cooling device and pelletizing assembly for cooling；The discharge outlet of described pelletizing assembly, which is furnished with, dries baling press；Described is auxiliary
Feed bin assembly, dispersant feed bin assembly, the control terminal control end signal corresponding with described control cabinet respectively of pelletizing assembly
It is connected；
Described extruder assembly includes twin (double) screw extruder, the first frequency converter, the first motor and first pressure controller, described
Twin (double) screw extruder chuck in be furnished with the first temperature controller；Described twin (double) screw extruder sets first charging aperture, second to enter
Material mouth and extruder assembly discharging opening, described first pressure controller are arranged at the pipe of described extruder assembly discharge outlet
Lu Shang；The output shaft of the first described motor is connected with the power intake of described twin (double) screw extruder, the described first electricity
The transmission of electricity control terminal of machine is furnished with the first frequency converter；The first described frequency converter is furnished with corresponding first rotational speed governor；Described
The signal feedback end of first pressure controller is connected with the signal feedback end of the first described frequency converter；
Described auxiliary material storehouse assembly includes auxiliary material powder material warehouse, powder drying storehouse and the first feed assembly, described auxiliary material powder
The charging aperture pipeline connection in the discharging opening of feed bin and described powder drying storehouse, the discharging opening in described powder drying storehouse with it is described
The first feed assembly charging aperture pipeline connection, the discharging opening and described twin (double) screw extruder of the described first feed assembly
Second charging aperture pipeline connection；
Described dispersant feed bin assembly includes dispersant feed bin, dispersant dryness storehouse and the second feed assembly, described point
The charging aperture pipeline connection of the discharging opening of powder feed bin and described dispersant dryness storehouse, the discharging of described dispersant dryness storehouse
The charging aperture pipeline connection of mouth and the second described feed assembly, the discharging opening and described double spiral shells of the described second feed assembly
The second charging aperture pipeline connection of bar extruder；
The control of the control terminal of the first described feed assembly, the control terminal, described pelletizing assembly of the described second feed assembly
End processed control port signal connection corresponding with described control cabinet respectively.
2. special equipment as claimed in claim 1, it is characterised in that：The first described feed assembly includes the first rotary metering
Dispenser, the second motor and the second frequency converter, the charging aperture and corresponding powder drying of the first described rotary metering dispenser
The discharging opening connection in storehouse；Second charging of the discharging opening of the first described rotary metering dispenser and described twin (double) screw extruder
Mouth pipeline connection；The output shaft of the second described motor is connected with the power input shaft of the first described rotary metering dispenser,
And the transmission of electricity control terminal of the second described motor is furnished with the second frequency converter, the control terminal of the second described frequency converter with it is described
The corresponding control port of control cabinet is connected；The second described feed assembly includes the second rotary metering dispenser, the 7th motor
With the 7th frequency converter, the charging aperture of the second described rotary metering dispenser connects with the discharging opening of corresponding dispersant dryness storehouse
It is logical；The second charging aperture pipeline connection of the discharging opening of the second described rotary metering dispenser and described twin (double) screw extruder；
The output shaft of the 7th described motor is connected with the power input shaft of the second described rotary metering dispenser, and described
The transmission of electricity control terminal of seven motors is furnished with the 7th frequency converter, and the control terminal of the 7th described frequency converter is corresponding to described control cabinet
Control port be connected.
3. special equipment as claimed in claim 1, it is characterised in that：Described ultrasound dynamic mixing assembly includes ultrasound dynamic
Blender, the 3rd motor, the 3rd frequency converter and cooling device, the charging aperture of described ultrasonic dynamic mixer and described double spiral shells
The discharging opening pipeline connection of bar extruder, the power intake of described ultrasonic dynamic mixer are dynamic with the 3rd described motor
Power output end is connected, and the control terminal of the 3rd described motor is connected with the signal output part of the 3rd described frequency converter.
4. special equipment as claimed in claim 1, it is characterised in that：Described pelletizing assembly includes pelleter, the 4th motor
With the 4th frequency converter, the charging aperture of described pelleter is arranged on the discharge outlet of described ultrasonic dynamic mixer, described
The output end of pelleter is connected with the charging aperture of described drying baling press, and the output end of the 4th described motor is cut with described
The power intake of grain machine is connected, the control terminal and the signal output part phase of the 4th described frequency converter of the 4th described motor
Even；The signal input part control port corresponding with described control cabinet of the 4th described frequency converter is connected.
5. special equipment as claimed in claim 1, it is characterised in that：Equipped with corresponding metering on described branch melt pipe
Pump, and the power intake of described measuring pump is connected with the output shaft of the 5th motor, the control terminal of the 5th described motor
The signal output part of the 5th frequency converter with configuring the second speed display is connected；The signal input part of the 5th described frequency converter
Control port corresponding with described control cabinet is connected.
6. special equipment as claimed in claim 1, it is characterised in that：Described powder drying storehouse and described dispersant are dried
Storehouse is all jacket type structure, wherein setting the second temperature controller in the chuck in described powder drying storehouse, described dispersant is dried
The inner chamber of the 3rd temperature controller of setting in the chuck in storehouse, powder drying storehouse and dispersant dryness storehouse is equipped with corresponding agitating paddle,
And agitating paddle upper end is connected with the output shaft of corresponding motor；On described powder drying storehouse and described dispersant dryness storehouse
It is furnished with corresponding level sensor, described powder drying storehouse bottom and described dispersant dryness storehouse bottom equipped with corresponding in portion
The low report inductor of liquid level；Described powder drying storehouse, described dispersant dryness storehouse pass through pipeline respectively and vacuum system connects
It is logical, ensure powder drying storehouse and the vacuum of dispersant dryness storehouse；Described auxiliary material powder material warehouse and described powder drying storehouse
Between pipeline, the pipeline between described dispersant feed bin and described dispersant dryness storehouse, the pipe being connected with vacuum system
Corresponding control valve is equipped with road；Corresponding pressure is respectively configured in described powder drying storehouse, described dispersant dryness storehouse
Controller.
7. special equipment as claimed in claim 1, it is characterised in that：Described discharging assembly includes discharging pump, the 6th motor
With the 6th frequency converter, the power intake of described discharging pump is connected with the output shaft of the 6th motor, the 6th described motor
The signal output part of sixth frequency converter of the control terminal with configuring the 3rd speed display is connected；The signal of the 6th described frequency converter
Input is connected with corresponding 3rd pressure controller signal.
8. special equipment as claimed in claim 6, it is characterised in that：Auxiliary material in described auxiliary material storehouse is delustering agent.
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| CN201610065968.1A CN105563683B (en) | 2016-01-29 | 2016-01-29 | The method and its special equipment of master batch are produced in a kind of directly mixing of PET melt |
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| CN105563683B true CN105563683B (en) | 2018-03-20 |
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| CN108314883A (en) * | 2018-01-24 | 2018-07-24 | 东莞市中嘉集成新材料科技有限公司 | PET dumb lights modified feedstock, PET dumb light modified feedstock preparation methods and PET dumb light batch mixings |
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Effective date of registration: 20220926 Address after: No. 188, Development Avenue, Economic Development Zone, Xinyi City, Xuzhou City, Jiangsu Province, 221400 Patentee after: Xinfengming Jiangsu Xintuo New Materials Co.,Ltd. Address before: No. 888, Desheng Road, Zhouquan Town, Tongxiang City, Hangzhou City, Zhejiang Province 314500 Patentee before: TONGXIANG ZHONGCHEN CHEMICAL FIBRE Co.,Ltd. |