CN202607875U - Device for producing superfine talcum powder polypropylene filling masterbatches - Google Patents
Device for producing superfine talcum powder polypropylene filling masterbatches Download PDFInfo
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- CN202607875U CN202607875U CN 201220037370 CN201220037370U CN202607875U CN 202607875 U CN202607875 U CN 202607875U CN 201220037370 CN201220037370 CN 201220037370 CN 201220037370 U CN201220037370 U CN 201220037370U CN 202607875 U CN202607875 U CN 202607875U
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- talcum powder
- feeding machine
- screw extruder
- crawler belt
- superfine talcum
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Abstract
The utility model discloses a device for producing superfine talcum powder polypropylene filling masterbatches. The device comprises a high-speed mixer, a feeding machine, a double-screw extruder, a track conveying and cooling device and a hob granulator. The high-speed mixer is arranged above the feeding machine, a discharging port of the feeding machine is connected with a feeding port of the double-screw extruder, a discharging port of the double-screw extruder is connected with a feeding port of the track conveying and cooling device, and a discharging port of the track conveying and cooling device is connected with a feeding port of the hob granulator. By means of an appropriate raw material formula, a forced feeding machine, the double-screw extruder with a deep threaded groove and a track conveying and cooling granulating method, powder with low stacking density can be fed into the double-screw extruder efficiently. Inorganic powder content is high in the products so that the deep threaded groove is favorable for conveying the products. Plasticizing and scattering efficiency of the products is high, the products are not easy to break when granulated by using a water-cooling bracing wire, and normal granulating is guaranteed.
Description
Technical field
The utility model relates to the superfine talcum powder polypropylene and fills the master batch preparing technical field, particularly a kind of equipment that is used to produce superfine talcum powder polypropylene filling master batch.
Background technology
Talcum powder is cheap inorganic filler commonly used in the plastics industry, and it can improve the dimensional stability of rigidity, modulus and the goods thereof of material effectively, and its cost is significantly reduced; Therefore, talcum powder extensively is used in the modifying plastics industry.But, owing to the bulk density of talcum powder especially superfine talcum powder is little; In the modifying plastics production process, very easily produce dust, pollute workshop, have a strong impact on the healthy of Manufacturing Worker.In addition, because talcous bulk density is little, when modified plastics adopted the processing mode of screw extruder to add talcum powder, the difficult feeding of material had a strong impact on production efficiency.Therefore, how to prepare the high filled polypropylene master batch of superfine talcum powder, for solving dust pollution, seeming very crucial enhancing productivity.
When producing talcum powder filling PP master batch, adopt following two kinds of methods at present in the industry usually: one, elder generation is mixing in banbury; Adding screw extruder again extrudes; Form through the fervent granulation mode of die face at last; Two, through high-speed mixer former material is mixed to more than 100 ℃ earlier, makes material become little lumps; Extrude through double screw extruder again; Finally form through the fervent granulation of water ring die face.
Open day is that the Chinese utility model patent of CN101955604 A discloses " a kind of polyolefin-based nanoscale talcum powder functional agglomerate and manufacturing approach and equipment " for 2011.1.26, publication number.Mentioning method in the literary composition is present typical preparation method: adopt mixer mixing earlier; Adding screw extruder again extrudes; The preparation method who forms through the fervent granulation mode of die face at last.The work characteristics of banbury is: in the banburying chamber, add a certain amount of material, material is the mixing one long period in the banburying chamber, all is delivered to screw extruder then and carries out granulation; Then, pour certain material into toward the banburying chamber again, so successively circulation.In mixing, the process of carrying, material is in a kind of discontinuous state; In addition, because that material is in the mixing chamber of sealing is mixing, the plastifying state of material, fusion time are difficult to accurate assurance.Therefore, the automaticity of whole production line is low, and personnel labor is big, and production efficiency is low.
Open day is that the Chinese utility model patent of CN102040774A discloses " a kind of polypropylene is filled master batch and preparation method thereof " for 2011.5.4, publication number; Mention high-speed mixer in the literary composition and add prepared in twin-screw extruder polypropylene filling master batch: function powder is mainly powdered whiting and blanc fixe; Its bulk density surpasses 1.0g/cm3 (bulk density of superfine talcum powder is less than 0.3g/ cm3), and powdered whiting content is no more than 70%; Therefore, in the production process of the high filling of superfine talcum powder PP, powder is difficult to coated by matrix resin; In addition, adopt high-speed mixer that the raw material premixed time is surpassed 15min, greatly reduce the batch mixing efficient of high-speed mixer.
The Chinese utility model patent of CN 1966562A.Adopt high-speed mixer to add the preparation method of double screw extruder in the literary composition: the mixed function powder agglomerate of 25 ~ 50 parts of calcium carbonate contents, 5 ~ 30 parts of superfine talcum powders; Because the bulk density of calcium carbonate is three times of bulk density of superfine talcum powder; Therefore, the coating problem of such powder basically can be through the mixing solution of twin-screw.But before getting into double screw extruder, this former material need be through high-speed mixer with pre-composition high-speed stirred to 100 ℃ ~ 130 ℃.There are two defectives in such processing technology: 1) mixture temperature reaches the mixing time that needs more than 100 ℃ long (maybe needing heating); 2), and the partial material fusing point is arranged in the middle of the raw material of this series products about 100 ℃ owing to the temperature of high-speed mixer is controlled than difficult; Therefore, there is the agglomerating danger of caking in material, and the normal discharging of high-speed mixer is had a strong impact on.
The day for announcing is that 2011.10.12, notification number are that the Chinese patent of CN101792536 A discloses " a kind of preparation method of carrier-free talcum powder master batch ".Adopt volatile alcohol or ketone diluent in the literary composition, at first bonding agent is diluted to more than 10 times; Bonding agent after will diluting again and talcum powder premixed by a certain percentage; At last at normal temperatures through the extruder extruding pelletization.There is following defective in the method: 1) diluent is difficult to reclaim, and is prone to cause environmental pollution and physical waste, and since the ratio that institute adds diluent up to 15% ~ 35%, follow-up stoving process is difficulty comparatively, the increase manufacturing cost; 2) adopt this processing method resultant that the hardness of particle is very low, in follow-up transportation and use, cause the secondary dust pollution easily; 3) use this extruder equipment pelletizing, make that the product of being cut is different in size, the outward appearance of whole particle is very ugly, and the client is difficult to accept.
In sum, there are above-mentioned all deficiencies in the preparation method and the equipment of the master batch of polypropylene filling at present.
The utility model content
The utility model patent technical problem to be solved provides a kind of equipment that is used to produce superfine talcum powder polypropylene filling master batch that cuts down the consumption of energy and raise the efficiency.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, comprises high-speed mixer, feeding machine, double screw extruder, crawler belt conveying and cooling device and hobboing cutter pelleter; Said high-speed mixer is located at the top of feeding machine; The discharging opening of said feeding machine is connected with the charging aperture of double screw extruder; The discharging opening of said double screw extruder carries with crawler belt and the charging aperture of cooling device is connected, and said crawler belt is carried and the discharging opening of cooling device is connected with the charging aperture of hobboing cutter pelleter.
Preferably, the external diameter of the screw rod of said double screw extruder is 1.8 ~ 1.9 with the internal diameter ratio; The draw ratio of said double screw extruder is 40 ~ 48.
Preferably, said crawler belt is carried and cooling device comprises crawler belt and establish drive system above that, and said drive system is used to drive this crawler belt.
Preferably, said crawler belt adopts the braiding of strip metal material to form.
Preferably, said drive system is the driven by motor of adjustable speed, and the linear velocity of motor is at 0.1m/s ~ 5m/s, but and stepless speed regulation.
Preferably, said crawler belt top is provided with the pressure cooling blower, and said pressure cooling blower equidistance is arranged.
Preferably, said crawler belt top also is provided with some water mist spray devices, and said water mist spray device equidistance is arranged in to be forced between the cooling blower.
Preferably, said mixer comprises tilting discharging mouth, and said tilting discharging mouth places the top of feeding bin.
Preferably, said feeding machine comprises feeding bin, and said feeding bin is a funnel-form.
Preferably, said feeding machine also comprises horizontal feeding machine and vertical feeding machine, and the charging aperture of said horizontal feeding machine is connected with the discharging opening of feeding bin, and the discharging opening of said horizontal feeding machine is connected with the charging aperture of vertical feeding machine.
The utility model has following beneficial effect with respect to prior art:
1) produces superfine talcum powder master batch compared with techniques with banbury; The utility model is carried and the cooling and dicing mode through adopting appropriate raw material formula, forced feed machine, dark screw channel double screw extruder, crawler belt, makes the powder of low bulk density efficiently feed in the double screw extruder; Because the inorganic particle content that contains in this product is high, the screw channel that the utility model adopts deeply then is convenient to the conveying of this product again; Make that this product plasticizing dispersion efficiency is high; And make when this product adopts the pelletizing of water-cooled tie rod not easily broken; Guarantee that it normally carries out pelletizing.
2) add the double screw extruder apparatus in comparison of conventional screw channel dark (the screw rod external diameter is 1.55 with screw rod internal diameter ratio) with adopting high-speed mixer; The utility model has announced that the extra fine talc powder content is higher than the characterisitic parameter that 70% o'clock double screw extruder must possess; Guarantee that superfine talcum powder is easy to coat; And the filling content of superfine talcum powder can be higher than 70%; Guarantee that the low superfine talcum powder of bulk density also can efficiently feed in the double screw extruder, the utility model makes the filling content of superfine talcum powder up to 85%.
3) with diluted adhesive treatment after superfine talcum powder compare with extruder granulation through normal temperature; Thereby need not reclaiming diluent, the utility model can not cause secondary pollution to environment; And prevent that the superfine talcum powder master batch from causing the secondary dust pollution in transportation, use, and the product particle of preparation is even, outward appearance is met customer need.
Description of drawings
Fig. 1 is the structural representation that the utility model superfine talcum powder polypropylene is filled the manufacturing equipment of master batch.
Fig. 2 is the crawler belt conveying equipment structural representation that the utility model superfine talcum powder polypropylene is filled master batch;
Fig. 3 is the vertical view that the utility model superfine talcum powder polypropylene is filled the crawler belt conveying equipment of master batch.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the embodiment of utility model is not limited thereto.
Like Fig. 1, shown in 2 and 3, a kind of being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, comprises high-speed mixer 1, feeding machine, double screw extruder 4, crawler belt conveying and cooling device 5 and hobboing cutter pelleter 7; High-speed mixer is located at the top of feeding machine; The discharging opening of feeding machine is connected with the charging aperture of double screw extruder 4; The discharging opening of double screw extruder 4 carries with crawler belt and the charging aperture of cooling device 5 is connected, and crawler belt is carried and the discharging opening of cooling device 5 is connected with the charging aperture of hobboing cutter pelleter 7.The external diameter of the screw rod of double screw extruder 4 is 1.8 ~ 1.9 with the internal diameter ratio; The draw ratio of double screw extruder (4) is 40 ~ 48.Crawler belt is carried and cooling device comprises crawler belt and establish drive system above that, and drive system is used to drive this crawler belt.Crawler belt adopts the braiding of strip metal material to form.Drive system is the driven by motor of adjustable speed, and the linear velocity of this motor is at 0.1m/s ~ 5m/s, but and stepless speed regulation.The crawler belt top is provided with forces cooling blower 7, and said pressure cooling blower 7 equidistance are arranged.The crawler belt top also is provided with some water mist spray devices 6, and said water mist spray device 6 equidistance are arranged in to be forced between the cooling blower 7.Mixer comprises tilting discharging mouth, and said tilting discharging mouth places the top of feeding bin 9.Feeding machine comprises feeding bin 9, and feeding bin 9 is a funnel-form.Feeding machine also comprises horizontal feeding machine 2 and vertical feeding machine 3, and the charging aperture of horizontal feeding machine 2 is connected with the discharging opening of feeding bin 9, and the discharging opening of horizontal feeding machine 2 is connected with the charging aperture of vertical feeding machine 3.
A kind of talcum powder polypropylene is filled master batch, and its composition and weight percentage are: talcum powder content is 75 ~ 85%; Polypropylene material content is 10 ~ 15%; Antioxidant is 0.5 ~ 0.7%; Processing aid is 1 ~ 5%.This processing aid is stearic acid and Chinese wax; Its weight percentage is: stearic acid is 1 ~ 3%, and Chinese wax is 1 ~ 2%.This talcum powder average grain diameter is 2 ~ 5 microns.This polypropylene material is the composite material of polypropylene or polypropylene, polyolefin elastomer.
A kind of talcum powder polypropylene is filled the production equipment of master batch, comprises high-speed mixer 1, feeding machine, double screw extruder 4, crawler belt conveying and cooling device and hobboing cutter pelleter 7.This high-speed mixer is located at the top of feeding machine; The discharging opening of feeding machine is connected with the charging aperture of double screw extruder 4; The discharging opening of double screw extruder 4 carries with crawler belt and the charging aperture of cooling device 5 is connected, and crawler belt is carried and the discharging opening of cooling device 5 is connected with the charging aperture of hobboing cutter pelleter 7.
This feeding machine comprises horizontal feeding machine 2 and vertical feeding machine 3, and the charging aperture of vertical feeding machine 3 is connected with the discharging opening of horizontal feeding machine 2.The external diameter of the screw rod of double screw extruder 4 is 1.8 ~ 1.9 with the internal diameter ratio; The draw ratio of said double screw extruder 4 is 40 ~ 48.This crawler belt is carried and cooling device 5 comprises crawler belt, and crawler belt adopts the braiding of strip metal material to form; Crawler belt is through the driven by motor of adjustable speed, and the linear velocity of motor is at 0.1m/s ~ 5m/s, but and stepless speed regulation.Crawler belt is carried and cooling device 5 also comprises water mist spray device 6 and force cooling blower 7, and water mist spray device 6 is located on the crawler belt respectively with pressure cooling blower 7.
A kind of talcum powder polypropylene is filled the production method of master batch, may further comprise the steps:
Step 1) after raw material are distributed, according to the feeding sequence of PP powder, Chinese wax, stearic acid, antioxidant, superfine talcum powder, is all put in the high-speed mixer 1 of low rate start and is mixed;
Step 2), with in the mixed material input feeding machine;
Step 3), material are fed through feeding machine in the barrel of the good double screw extruder of preheating 4, and material is in the successive shear extrusion of atwirl twin-screw and mixing, mixing evenly after, extrude through the mouth mould of typing;
Step 4), the material bar of extruding hang naturally on crawler belt conveying and cooling device, and through the conveying forward of crawler belt and the cooling of cooling device, material is brought at last carries out pelletizing in the hobboing cutter pelleter 7.
In the step 1), material mixed on low speed 0.5 ~ 1min at first in high-speed mixer 1; Follow high-speed mixing 5 ~ 10min with 600 ~ 1200rpm.
Get 9 parts of powder polypropylene (PP resin), 2.5 parts of Chinese wax, 3 parts of stearic acid, 0.5 part in antioxidant, 75 parts of superfine talcum powders drop in the mixer, go to high speed 1000RPM mixing 8min behind the mixed on low speed 1min; Mixed material is unloaded to the feeding bin of feeding machine, and material is continuous is sent in the double screw extruder 4 (temperature of extruder is set: 120 ℃ in a district, 200 ~ 240 ℃ in 2 districts ~ head); Material is successively mixing through double screw extruder 4, plasticizing is extruded into the material bar through the typing nib uniformly; The material bar is carried toward hobboing cutter pelleter 7 directions with the hauling speed that is complementary through crawler belt; And the water yield and the air quantity of adjustment that can be suitable spray solarization on crawler belt, thereby cooling material bar; To expect at last that bar input is rolled into and carry out granulation in the hobboing cutter pelleter 7.
The foregoing description is merely the preferred embodiment of the utility model, is not the practical range that is used for limiting the utility model.Be that all equalizations of being done according to the utility model content change and modification, all contained by the utility model claim scope required for protection.
Claims (10)
1. one kind is used to produce the equipment that the superfine talcum powder polypropylene is filled master batch, it is characterized in that: comprise high-speed mixer (1), feeding machine, double screw extruder (4), crawler belt conveying and cooling device (5) and hobboing cutter pelleter (7); Said high-speed mixer is located at the top of feeding machine; The discharging opening of said feeding machine is connected with the charging aperture of double screw extruder (4); The discharging opening of said double screw extruder (4) carries with crawler belt and the charging aperture of cooling device (5) is connected, and said crawler belt is carried and the discharging opening of cooling device (5) is connected with the charging aperture of hobboing cutter pelleter (7).
2. according to claim 1 being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, and it is characterized in that: the external diameter of the screw rod of said double screw extruder (4) is 1.8 ~ 1.9 with the internal diameter ratio; The draw ratio of said double screw extruder (4) is 40 ~ 48.
3. according to claim 2 being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, it is characterized in that: said crawler belt is carried and cooling device comprises crawler belt and establish drive system above that, and said drive system is used to drive this crawler belt.
4. according to claim 3 being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, it is characterized in that: said crawler belt adopts the braiding of strip metal material to form.
5. according to claim 4 being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, and it is characterized in that: said drive system is the driven by motor of adjustable speed, and the linear velocity of this motor is at 0.1m/s ~ 5m/s, but and stepless speed regulation.
6. according to claim 5 being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, it is characterized in that: said crawler belt top is provided with forces cooling blower (7), and said pressure cooling blower (7) equidistance is arranged.
7. the equipment that is used to produce superfine talcum powder polypropylene filling master batch according to claim 6; It is characterized in that: said crawler belt top also is provided with some water mist spray devices (6), and said water mist spray device (6) equidistance is arranged in to be forced between the cooling blower (7).
8. according to each described equipment that is used to produce superfine talcum powder polypropylene filling master batch of claim 1-7, it is characterized in that: said mixer comprises tilting discharging mouth, and said tilting discharging mouth places the top of feeding bin (9).
9. according to claim 8 being used to produced the equipment that the superfine talcum powder polypropylene is filled master batch, and it is characterized in that: said feeding machine comprises feeding bin (9), and said feeding bin (9) is a funnel-form.
10. the equipment that is used to produce superfine talcum powder polypropylene filling master batch according to claim 9; It is characterized in that: said feeding machine also comprises horizontal feeding machine (2) and vertical feeding machine (3); The charging aperture of said horizontal feeding machine (2) is connected with the discharging opening of feeding bin (9), and the discharging opening of said horizontal feeding machine (2) is connected with the charging aperture of vertical feeding machine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220037370 CN202607875U (en) | 2012-02-06 | 2012-02-06 | Device for producing superfine talcum powder polypropylene filling masterbatches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220037370 CN202607875U (en) | 2012-02-06 | 2012-02-06 | Device for producing superfine talcum powder polypropylene filling masterbatches |
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| Publication Number | Publication Date |
|---|---|
| CN202607875U true CN202607875U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220037370 Expired - Fee Related CN202607875U (en) | 2012-02-06 | 2012-02-06 | Device for producing superfine talcum powder polypropylene filling masterbatches |
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| CN (1) | CN202607875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922532A (en) * | 2016-05-20 | 2016-09-07 | 成都科力夫科技有限公司 | Extrusion moulding auxiliary drying cutoff equipment |
| CN106003646A (en) * | 2016-05-20 | 2016-10-12 | 成都科力夫科技有限公司 | Extrusion moulding auxiliary equipment |
| CN111171972A (en) * | 2018-11-09 | 2020-05-19 | 万喜人家(北京)健康科技有限公司 | Novel shell powder vegetable and fruit cleaning agent preparation method and preparation equipment thereof |
-
2012
- 2012-02-06 CN CN 201220037370 patent/CN202607875U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922532A (en) * | 2016-05-20 | 2016-09-07 | 成都科力夫科技有限公司 | Extrusion moulding auxiliary drying cutoff equipment |
| CN106003646A (en) * | 2016-05-20 | 2016-10-12 | 成都科力夫科技有限公司 | Extrusion moulding auxiliary equipment |
| CN111171972A (en) * | 2018-11-09 | 2020-05-19 | 万喜人家(北京)健康科技有限公司 | Novel shell powder vegetable and fruit cleaning agent preparation method and preparation equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20190206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |