CN202685135U - Extruding and granulating unit for rich mineral paper (RMP) masterbatch - Google Patents

Extruding and granulating unit for rich mineral paper (RMP) masterbatch Download PDF

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Publication number
CN202685135U
CN202685135U CN2012201741515U CN201220174151U CN202685135U CN 202685135 U CN202685135 U CN 202685135U CN 2012201741515 U CN2012201741515 U CN 2012201741515U CN 201220174151 U CN201220174151 U CN 201220174151U CN 202685135 U CN202685135 U CN 202685135U
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China
Prior art keywords
screw
extrusion machine
single screw
master batch
cyclone separator
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Expired - Fee Related
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CN2012201741515U
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Chinese (zh)
Inventor
刘丰田
王永勤
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Kunshan Kesun Rubber & Plastic Machinery Co Ltd
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Kunshan Kesun Rubber & Plastic Machinery Co Ltd
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Priority to CN2012201741515U priority Critical patent/CN202685135U/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/53Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/385Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/39Plasticisers, homogenisers or feeders comprising two or more stages a first extruder feeding the melt into an intermediate location of a second extruder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/397Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model discloses an extruding and granulating unit for RMP masterbatch. The unit comprises a high-speed mixing machine, a pressure internal mixer, a material elevator, a taper twin screw feeding machine, a single screw extruder, a granulator, a first-level cyclone separator, a second-level cyclone separator, a third-level cyclone separator, a vibrating screen and a finished product bin, wherein the high-speed mixing machine is connected with the pressure internal mixer through a blanking pipe, a material extruding screw is arranged in the single screw extruder and comprises a homogenizing section, a compressing section and a feeding section, the screw diameter at the feeding section is smaller than that at the homogenizing section, the screw length at the homogenizing section is smaller than that at the compressing section, and the screw length at the compressing section is smaller than that at the feeding section. According to the unit, the RMP masterbatch up to specification can be produced once, the output can be improved by one time, manual work is not needed, labor intensity is reduced, not only the abrasion resistant performance is strengthened, but also optimum mixing effects of even mixing of the materials and physical property changes can be achieved.

Description

Stone paper master batch extruding pelletization unit
Technical field
The utility model relates to a kind of production equipment of material, what be specifically related to is a kind of stone paper master batch extruding pelletization unit.
Background technology
Stone paper (English name: Rich Mineral Paper, RMP), have another name called Shi Kezhi.With the stone dust primary raw material, extract the calcium carbonate in the lime stone, then ore is worn into high calcium 1500-2500 purpose superfine powder, carry out subsequently second operation work, the additive of 85% modified calcium carbonate interpolation upper 15% is made master batch, make paper or bag by the extruding film blowing device at last.Stone paper is as main raw material(s) (calcium carbonate content is as 70~80%) take large, the widespread limestone mineral resource of reserves, take high molecular polymer as the base material raw material (content is as 20~30%), utilize the macromolecule interfacial principles of chemistry and macromolecule modified characteristics, after special process is processed, adopt polymer-extruded, blow molding technique to make.Inorganic particle environmentally-friendly stone paper product has writing property and the printing effect same with the string paper; Have more simultaneously the core capabilities that plastic packing article has.
The unit of existing stone paper master batch, need to extrude unit by two rank produces twice continuously, carry out two procedures, it feeds intake first, through causing particle after the double screw extruder plasticizing, and then particle dropped in same the twin-screw ideal effect that particle that again plasticizing just can produce just can reach plasticizing, it is stone paper master batch up to specification, its production operation is complicated, output is very low, adopt artificial batch mixing, artificial batch turning, labour intensity is large, has increased production cost, has reduced production efficiency and production output.
The utility model content
For the deficiency that exists on the prior art, the utility model purpose is to be to provide that a kind of cost is low, production efficiency is high, reduces the stone paper master batch extruding pelletization unit of labour intensity, and is time saving and energy saving, improved production output.
To achieve these goals, the utility model is to realize by the following technical solutions:
Stone paper master batch extruding pelletization unit, it comprises adding pressure type banbury and single screw extrusion machine; It is characterized in that, it comprises that also one is used for the high mixer of mixed material, one is used for material is clamp-oned by force the conical double-screw feeder of single screw extrusion machine, one is used for mixing rear bulk material is delivered to the interior material elevator of feeding funnel of feeding machine, and one is used for the finished product bin that finished product materials stores; One screening that is used for material, irregular particle is sieved, with particle transport up to specification vibratory sieve to finished product bin, one is used for that the strip-shaped materials that single screw extrusion machine is extruded is cut into the comminutor of regulation shape of particle and the material dewatering that is used for pelletizing is got off and cyclone separator separated from one another;
The discharging opening of described high mixer is connected by the charging aperture of blanking pipe with the adding pressure type banbury, the discharging opening of described conical double-screw feeder is connected with the spout of single screw extrusion machine, the discharge end of described material elevator is arranged on the feeding funnel top of conical double-screw feeder, the feed end of described material elevator connects the discharging opening of banbury, and this comminutor connects firmly mutually with the discharging head of single screw extrusion machine;
Be provided with the material extruding screw in the described single screw extrusion machine, this material extruding screw comprises the homogenizing zone that is arranged on screw front end, the feed zone that is positioned at the compression section in screw rod stage casing and is positioned at spiro rod rear end, also be provided be used to the thread segment that prevents that material from backflowing in described feed zone end, the screw diameter of described compression section increases progressively gradually along screw axial, the screw diameter of described feed zone is less than the screw diameter of homogenizing zone, described feed zone, thread pitch on compression section and the homogenizing zone equates, the spiro rod length of described homogenizing zone is less than the spiro rod length of compression section, and the spiro rod length of described compression section is less than the spiro rod length of feed zone.
According to above-mentioned stone paper master batch extruding pelletization unit, wherein, described material extruding screw draw ratio is 20:1, and described material extruding screw surface is coated with hard chrome.
Stone paper master batch extruding pelletization unit according to above-mentioned wherein, also is equipped with the automatic net-changing device of plate type hydraulic between the discharge end of described single screw extrusion machine and the comminutor, the flow cross section of the automatic net-changing device of described plate type hydraulic is circular.
According to above-mentioned stone paper master batch extruding pelletization unit; wherein; described cyclone separator comprises primary cyclone, secondary cyclone and three-stage cyclone separator; described primary cyclone, secondary cyclone and three-stage cyclone separator are connected by conveyance conduit; the charging aperture of described primary cyclone connects the discharging opening of comminutor by conveyance conduit; the discharging opening of described vibratory sieve is by the charging aperture of conveyance conduit connection finished product bin, and the discharging opening of described three-stage cyclone separator is connected with the charging aperture of vibratory sieve by conveyance conduit.
Stone paper master batch extruding pelletization unit according to above-mentioned wherein, is provided with the casting mixing channel on the described adding pressure type banbury.
According to above-mentioned stone paper master batch extruding pelletization unit, wherein, what described comminutor adopted is the fervent comminutor of air-cooled die-surface.
Stone paper master batch extruding pelletization unit according to above-mentioned wherein, is provided with the soft water circulating cooling system at described single screw extrusion machine, is installed in the barrel outside of single screw extrusion machine; The cooling water pipe that this soft water circulating cooling system comprises cooling water pump, water tank and is coiled in the barrel outside, described cooling water pump connects water tank by cooling water pipe, and by the automatic control water solenoid control.
The utility model only need can be produced stone paper master batch up to specification one time by technique scheme, the output that the stone paper master batch of making can double, and whole process is except the finished product materials that feeds intake and pack, do not need artificial, reduced labour intensity, workshop condition can be greatly improved, and does not have very large dust and noise; The material extruding screw that adopts is simultaneously not only consolidated wear-resistingly, and guarantees that mixing of materials is average and all arrives optimum efficiency with the physical property variation; It has simple to operate, easy to use, has reduced the advantage of cost, energy-conserving and environment-protective.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
The structural representation of Fig. 3 material extruding screw of the present invention;
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
Referring to Fig. 1 and Fig. 2; the utility model provide a kind of easy to operate, only need a production can obtain stone paper master batch extruding pelletization unit up to specification; it comprises high mixer, adding pressure type banbury 10, material elevator 20, conical double-screw feeder 30, double screw extruder 40, the board-like automatic net-changing device 41 of hydraulic pressure, the fervent comminutor 50 of air-cooled die-surface, primary cyclone 60, secondary cyclone 70, three-stage cyclone separator 80, vibratory sieve 90 and finished product bin 100 successively from being fed to the finished product storage.In the present embodiment, what adding pressure type banbury 10 adopted is that mixing capacity is the hydraulic type masticator of 110L, it is to rubber, plastic cement, chemical raw material mixing banburying processing is mainly used to carry out the effect of the mixing dispersion of material, adopts " M-W " adding pressure type and casting mixing channel, not only consolidate wear-resistingly, and guarantee that mixing of materials is average and all arrive mixing on year-on-year basis optimum efficiency with the physical property variation.
In the present embodiment, what high mixer adopted is 500 type high mixers, and its feed opening is connected by the charging aperture of blanking pipe with the adding pressure type muller, and this blanking pipe is stainless steel, is used for mixed material is put to banbury.What material elevator 20 adopted is automatic skip, and its material loading power is 2.2kW, spacing up and down by limit switch, is provided with the slideway of designed arc-shaped appearance at material elevator 20, is convenient to chain and carries, and transports steadily reliable.Promote hopper 21 and be adopted as stainless steel, every pot can be held material conveying amount is 200kg, its objective is the bulk material after the banbury kneading is delivered in the bi-conical feed machine.The feed end of this automatic skip connects the discharging opening of adding pressure type banbury 10, and its discharge end of described material elevator 20 is arranged on the feeding funnel top of conical double-screw feeder 30; This adding pressure type banbury 10 enters elevator hopper 21 with the overturning of mixing rear bulk material, the chain that passes through of material elevator 20 enters conical double-screw feeder 30 with mass transport overturning to the top, and it is used for that the bulk material is clamp-oned single screw extrusion machine 40 by force and disperses with mixing; The structure of its this conical double-screw feeder 30 is open in China Patent Publication No. CN201619234U, is not now given unnecessary details.
In the present embodiment, conical double-screw feeder 30 power are 1100kW, and the spout of its discharging opening and single screw extrusion machine 40 is fixedly connected, it is to adopt twin-screw to force blanking, the net surface of twin-screw carries out nitrogenize chromium plating to be processed, and surface smoothness is high, and the screw rod rotation direction is counter rotating; The polishing of feeding body inner surface, chromium plating at conical double-screw feeder 30 are processed, and is sturdy and durable; The inner surface of its feeding hopper polishes, chromium plating is processed, and makes it sturdy and durable; Electrical heating, separately temperature control.
It should be noted that, referring to Fig. 3, above-mentioned single screw extrusion machine 40 is be used to the dispersion of carrying out material under the high temperature and mixing, material extruding screw 43 is installed in it, material extruding screw draw ratio is 20:1, make the more even of mixing of materials and further change the characteristic of material, and carry out the conveying of material.The material of this material extruding screw 43 is the 38CrMoALA nitrogen treatment, and nitrogenize HRC65-70, its spiral groove depth are 0.6-0.75mm, and fragility is not more than the II level; The rosette copper pipe is cooling water pipe on the barrel of single screw extrusion machine 40, water flowing cooling in the copper pipe.On this single screw extrusion machine 40 the soft water circulating cooling system is installed also, it is installed in the barrel outside of single screw extrusion machine; The cooling water pipe that this soft water circulating cooling system comprises cooling water pump, water tank and is coiled in the barrel outside, the power of motor of cooling water pump is 0.75kW, it connects by cooling water pipe, and by the automatic control water solenoid control, its cooling medium is soft water.Hose separates with body, is convenient to clean and maintenance, and the cooling water pipe material is stainless steel, and diameter is 60mm, is connected the employing copper pipe between cylindrical shell and the major cycle water pipe.
Referring to Fig. 3, this material extruding screw 43 comprises the homogenizing zone 434 that is arranged on screw front end, the feed zone 432 that is positioned at the compression section 433 in screw rod stage casing and is positioned at spiro rod rear end, also be provided be used to the thread segment 431 that prevents that material from backflowing in feed zone 432 ends, the screw diameter of this compression section 433 increases progressively gradually along screw axial, the screw diameter of feed zone is less than the screw diameter of homogenizing zone 434, described feed zone 432, thread pitch on compression section 433 and the homogenizing zone 434 equates, it is 147mm, the spiro rod length of described homogenizing zone 434 is less than the spiro rod length of compression section 433, and the spiro rod length of described compression section 433 is less than screw rod 432 length of feed zone.In the present embodiment, feed zone 432 length are 1311mm, and it is that single head etc. is dark, is spiral groove depth and equates; The length of compression section 433 is 1000mm, and it is the single head gradual change; Homogenizing zone 434 length are 600mm, and it is that isometrical, single head single head etc. is dark, and its diameter is 150mm.This fast implementation is by the compression section that uniform pitch, screw diameter increase progressively, and makes the stone paper master batch of melting when carrying, and compresses fully, closely knit, even, guaranteed quality of item; And homogenizing zone 434 screw diameters are greater than the screw diameter of feed zone 432, make the charging of stone paper master batch stable, homogenizing zone output balance, and the speed that has improved melting and extruded has increased the production efficiency of enterprise.
In addition, the main frame temperature control system of above-mentioned single screw extrusion machine 40 adopts the Omron intelligence instrument, binary channels, pid parameter is arranged from adjusting and the heater functions such as indication that open circuit; And have main frame interlock protection function: single screw host and gear-box oil pump are interlocked; Single screw rod and forced feed machine interlock protection, when the forced feed machine broke down, the main frame time-delay was shut down; When main frame was shut down for some reason, feeding machine namely stopped; Be provided with melt pressure and melt temperature demonstration at the discharging head, wherein fusion pressure and main frame interlocking is realized overpressure protection.
Between the discharge end of single screw extrusion machine 40 and its head section, the board-like automatic draping 41 of hydraulic pressure is installed, is arranged between single screw extrusion machine and the comminutor, carry out the filtration of impurity in the material, guarantee the quality of finished product materials; The flow cross section of the board-like automatic draping 41 of this hydraulic pressure is circular, and it has disposed 2 of cast copper heaters, and power is 7.4kW; And adopted double, and it contains two porous plates, and this porous plate diameter is 271-φ 5mm.Dispose the fervent comminutor 50 of needed air-cooled die-surface at the board-like automatic draping discharge end of hydraulic pressure, under the condition of high temperature, the strip-shaped materials that fervent head is extruded is cut into the shape of particle of regulation.It is 1.5kW4 level motor that the fervent comminutor of the air-cooled die-surface of present embodiment has adopted a power; Be provided with oppositely-blowing hot cut pellet cover at the fervent comminutor of air-cooled die-surface, its material is stainless steel, and a band water interlayer.
The material that pelletizing is got off is delivered in the primary cyclone 60 by high pressure positive blower 51 and the conveyance conduit 101 of 7.5kW, this conveyance conduit 101 connects the charging line 62 of primary cyclone 60 by the elbow 102 of 90 degree, and then the high pressure positive blower 61 by 5.5kW and corresponding conveyance conduit are delivered in the secondary cyclone 70, then secondary cyclone 70 is carried in the three-stage cyclone separator 80 by the high pressure extension set 71 of 5.5kW again, the finished product materials that pelletizing is got off is by primary cyclone 60, two cyclone separators 80, three-stage cyclone separator 80 makes the cooling of material, blow in the process by three sub-high pressure blower fans, the collision of material and conveyance conduit and cyclone separator barrel separates material each other.
Vibratory sieve 90 is installed at the discharging opening place of three-stage cyclone separator 80, vibratory sieve 90 is arranged on the below of three-stage cyclone separator 80, through three-stage cyclone separator 80 again cool off with separate after material enter in the vibratory sieve 90 by its feed opening, be used for material screening, irregular (excessive or too small) particle screening is fallen, only particle up to specification high pressure positive blower 91 and conveyance conduit by 4kW is delivered to finished product bin 100, and by the further cooling material of blowing of cooling blower; This finished product bin 100 is used for the storage of finished product materials, so that pack is processed.
In the present embodiment, primary cyclone 60, two cyclone separators 80 and three-stage cyclone separator 80 adopt material to be stainless steel, and all with a water interlayer; It adopts conveyance conduit is that diameter 160 mm stainless steel tubes connect, and the vibratory sieve of present embodiment is the extended type vibratory sieve, and material is stainless steel, macropore diameter phi 8mm, hole diameter φ 2.5mm, L=2.5m; Power of motor 0.12kW*2, the 0.75kW cooling blower.
Present embodiment is a line mode of production when using; only needing that material is added high mixer mixes; then send in the adding pressure type banbury 10; progressively by rank extruder 40, single screw extrusion machine 50, the board-like automatic draping 51 of hydraulic pressure, the fervent comminutor 60 of air-cooled die-surface, primary cyclone 60, secondary cyclone 70, three-stage cyclone separator 80 and vibratory sieve 90 on material elevator 20, conical double-screw feeder 30, the twin-screw; finally be transported to finished product storage bin 100 and store, so that pack is processed.
The utility model only need can be produced stone paper master batch up to specification one time by technique scheme, the output that the stone paper master batch of making can double, and whole process does not need manually to have reduced labour intensity except the finished product materials that feeds intake and pack; Adopted simultaneously " M-W " adding pressure type and casting mixing channel, not only consolidated wear-resistingly, and guaranteed that mixing of materials is average and all arrive mixing on year-on-year basis optimum efficiency with the physical property variation; It has simple to operate, and is easy to use, and cost is low, production efficiency is high and the advantage of energy-conserving and environment-protective.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (7)

1. stone paper master batch extruding pelletization unit, it comprises adding pressure type banbury and single screw extrusion machine; It is characterized in that, it comprises that also one is used for the high mixer of mixed material, one is used for material is clamp-oned by force the conical double-screw feeder of single screw extrusion machine, one is used for mixing rear bulk material is delivered to the interior material elevator of feeding funnel of feeding machine, and one is used for the finished product bin that finished product materials stores; One screening that is used for material, irregular particle is sieved, with particle transport up to specification vibratory sieve to finished product bin, one is used for that the strip-shaped materials that single screw extrusion machine is extruded is cut into the comminutor of regulation shape of particle and the material dewatering that is used for pelletizing is got off and cyclone separator separated from one another;
The discharging opening of described high mixer is connected by the charging aperture of blanking pipe with the adding pressure type banbury, the discharging opening of described conical double-screw feeder is connected with the spout of single screw extrusion machine, the discharge end of described material elevator is arranged on the feeding funnel top of conical double-screw feeder, the feed end of described material elevator connects the discharging opening of banbury, and this comminutor connects firmly mutually with the discharging head of single screw extrusion machine;
Be provided with the material extruding screw in the described single screw extrusion machine, this material extruding screw comprises the homogenizing zone that is arranged on screw front end, the feed zone that is positioned at the compression section in screw rod stage casing and is positioned at spiro rod rear end, also be provided be used to the thread segment that prevents that material from backflowing in described feed zone end, the screw diameter of described compression section increases progressively gradually along screw axial, the screw diameter of described feed zone is less than the screw diameter of homogenizing zone, described feed zone, thread pitch on compression section and the homogenizing zone equates, the spiro rod length of described homogenizing zone is less than the spiro rod length of compression section, and the spiro rod length of described compression section is less than the spiro rod length of feed zone.
2. stone paper master batch extruding pelletization unit according to claim 1 is characterized in that, described material extruding screw draw ratio is 20:1, and described material extruding screw surface is coated with hard chrome.
3. stone paper master batch extruding pelletization unit according to claim 1 is characterized in that, the automatic net-changing device of plate type hydraulic also is installed between the discharge end of described single screw extrusion machine and the comminutor, and the flow cross section of the automatic net-changing device of described plate type hydraulic is circular.
4. stone paper master batch extruding pelletization unit according to claim 1; it is characterized in that; described cyclone separator comprises primary cyclone; secondary cyclone and three-stage cyclone separator; described primary cyclone; secondary cyclone is connected by conveyance conduit with three-stage cyclone separator; the charging aperture of described primary cyclone connects the discharging opening of comminutor by conveyance conduit; the discharging opening of described vibratory sieve is by the charging aperture of conveyance conduit connection finished product bin, and the discharging opening of described three-stage cyclone separator is connected with the charging aperture of vibratory sieve by conveyance conduit.
5. stone paper master batch extruding pelletization unit according to claim 1 is characterized in that, is provided with the casting mixing channel on the described adding pressure type banbury.
6. stone paper master batch extruding pelletization unit according to claim 1 is characterized in that, what described comminutor adopted is the fervent comminutor of air-cooled die-surface.
7. stone paper master batch extruding pelletization unit according to claim 1 is characterized in that, is provided with the soft water circulating cooling system at described single screw extrusion machine, is installed in the barrel outside of single screw extrusion machine; The cooling water pipe that this soft water circulating cooling system comprises cooling water pump, water tank and is coiled in the barrel outside, described cooling water pump connects water tank by cooling water pipe, and by the automatic control water solenoid control.
CN2012201741515U 2012-04-24 2012-04-24 Extruding and granulating unit for rich mineral paper (RMP) masterbatch Expired - Fee Related CN202685135U (en)

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Application Number Priority Date Filing Date Title
CN2012201741515U CN202685135U (en) 2012-04-24 2012-04-24 Extruding and granulating unit for rich mineral paper (RMP) masterbatch

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601886A (en) * 2012-04-24 2012-07-25 昆山科信橡塑机械有限公司 Rich mineral paper masterbatch extruding granulator set
CN104108143A (en) * 2013-07-23 2014-10-22 江苏鸿云翔橡塑机械有限公司 Environment-friendly granulation unit specially used for papermaking

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601886A (en) * 2012-04-24 2012-07-25 昆山科信橡塑机械有限公司 Rich mineral paper masterbatch extruding granulator set
CN102601886B (en) * 2012-04-24 2015-01-21 昆山科信橡塑机械有限公司 Rich mineral paper masterbatch extruding granulator set
CN104108143A (en) * 2013-07-23 2014-10-22 江苏鸿云翔橡塑机械有限公司 Environment-friendly granulation unit specially used for papermaking

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