CN200977706Y - Equipment for processing plastic additive - Google Patents
Equipment for processing plastic additive Download PDFInfo
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- CN200977706Y CN200977706Y CN 200620133936 CN200620133936U CN200977706Y CN 200977706 Y CN200977706 Y CN 200977706Y CN 200620133936 CN200620133936 CN 200620133936 CN 200620133936 U CN200620133936 U CN 200620133936U CN 200977706 Y CN200977706 Y CN 200977706Y
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- equipment
- additive
- granulation
- processing plastic
- prilling granulator
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Abstract
The utility model relates to an equipment for processing plastic additive agent, which comprises a metering device, a mixing device, a granulation device, a crushing device and a screening device in order. The equipment is suitable for the complex granulation of a variety of additive agents, and at the same time, also suitable for single-group separated granulation, solving the problems that when the additive is added during the plastic processing process, the additive is unevenly distributed in the plastic product caused by the density difference among the different additives.
Description
Technical field
The utility model relates to a kind of equipment of processing plastic additive, specifically, relates to that plastic additive is composite, the production equipment of premix, granulation.
Background technology
70-90 age polyolefin technology high-speed development in last century, each petrochemical industry group is newly-built number of polymers process units, in order to improve the polymer properties needs, Powdered additive is reinforced to be widely used in all kinds of devices, because the dust-like additive very easily causes dust from flying, environmental pollution is serious.Repeatedly take place to have caused enormous economic loss because of the dust reason causes explosion accident.
Plastic additive adopts the powder method of feeding in raw material more, and production causes following problem to the adding mode of this plastic additive to processing of plastic:
1. various plastic additives are stacked in the production scene, have increased operating personnel's operation easier, and operate miss also takes place in operating process operating personnel easily.
2. dust pollution: because the adding mode of plastic additive adopts the hand stock mode, and plastic additive density is smaller, thus very serious at the operation dust from flying, all bring very big threat for the security of health of operators and device.
3. the loss of material: easily fly upward owing to add powder, so the loss phenomenon of the material that causes is serious, general can reach 2～3% owing to the interpolation powder easily flies upward the loss of material that causes.
4. because the density variation of various auxiliary agents is very big, so be easy to generate the layering between the various materials in process of production, meeting generation device obstruction, parking phenomenon when serious because of a certain material blanking difficulty.
Therefore, the technical staff of polymer production processing industry begins to explore granulation or " dustlessization " technology of exploitation suitable polymer blend additive, to improve powder polymer additive deficiency in use.
Pre-mixed additive technology both domestic and external has adopted stirring-granulating method, pressure forming comminution granulation and the heat fusing method of forming mostly, stirring-granulating method shortcoming is to introduce the 3rd component (solvent or other adhesives) in granulation process, uniform particles is bad, formed granule strength is low, the cost height, and owing to the introducing of the 3rd component often has a negative impact to next step use of pre-mixed additive.The heat fusing method of forming is through cooling granulation after the fusion with additive, shortcoming is that the physicochemical characteristics that causes additive itself easily changes, be unfavorable for next step use, and this method usable floor area is narrower, only be fit to more low-melting material granulation (being usually less than 300 degree), the granule strength that makes is bigger, is difficult for disperseing.
Therefore with regard to the process equipment of present existing polymeric additive, still have production line poor, be difficult for disperseing the deficiency of the narrow grade of suitable application area from homogenization.
The utility model content
The purpose of this utility model is to provide a kind of equipment of processing plastic additive, that this equipment comprises is composite, premix, granulation, have from homogenization, the variation of proportioning between the composite premixing and pelletizing product compositions of avoiding causing in the production process has improved the quality of the composite granulation product of premix.
In order to realize goal of the invention of the present utility model, the equipment of processing plastic additive described in the utility model comprises metering device, mixing arrangement, prilling granulator, breaker and screening plant successively.
Wherein, comprise that also material that a pair of screening plant sieves out not moulding carries out the prilling granulator that material after granulation again and the granulation enters breaker again.
Described prilling granulator includes Compulsory feeder used and compacting machine.
Described breaker comprises disintegrating machine and pelletizing machine, can adjust the particle that causes not of uniform size, makes the particle diameter distribution narrow of particle.Such as hammer mill, ring hammer crusher or jaw crusher.
In order to make additive granulating better, also can carry out a heating process to additive, before described prilling granulator, set up a heater respectively.
According to the difficulty or ease of additive moulding, can between prilling granulator and breaker, establish a screening plant and prilling granulator again, just after the granulation first time, once sieve, the powder of not moulding is carried out a granulation again.
Link to each other by a conveying device between each device, such as bucket elevator or conveying hinge dragon.
Described mixing arrangement can be blender, such as double cone mixer, high speed agitator or three-dimensional hybrid device.
Described screening plant is linear vibrating screen, disc type vibratory sieve or cyclone separator etc., and screen cloth can be one deck, also can be two-layer.The semi-finished product of producing are carried out separating of particle and powder.Can carry out granulation once more to powder.
Composite, the premix of the utility model plastic additive, the production equipment of granulation mainly contain following process procedure by the flow process branch:
1, the metering of raw material: operating personnel's each component ratio in accordance with regulations, measure packing to raw material.
2, the mixing of raw material: operating personnel's rotating speed and rotation time raw material that branch is installed in accordance with regulations thrown in the blender, mixes.
3, granulation: by mechanical external force raw material is pushed, raw material is made the particle not of uniform size and the mixture of powder.
4, adjust: the particle not of uniform size that pushes the back generation is adjusted, made particle diameter be tending towards even.
5, screening: the semi-finished product after the extruding are separated, obtain meeting the finished product of particle diameter requirement.
6, packing: finished product packing instructions are in accordance with regulations packed.
7, granulation again: with not powder granulation once more, screening, the fragmentation of granulation, the production that circulates, acquisition finally meets the finished product of particle diameter requirement.
Production equipment described in the utility model is mainly used in the plastic additive field, both be applicable to the composite granulation of multiple additives, also be applicable to simultaneously the one pack system granulation, the inventor is according to the non-slurry pelletizing principle, select for use the equipment of different industries to carry out organic assembling, when solution is added auxiliary agent in the plastic processing process, owing to the density variation between each auxiliary agent causes the pockety problem of auxiliary agent in plastic products.The composite granulating technique of premix described in the utility model has the following advantages:
1. whole premix complex additive granulation product production line good leak tightness, clean operation environment, no dust pollution.
2. equipment is simple, easy to assemble, cleaning and maintenance maintenance.And cooperatively interact between the equipment fine, complete equipment does not have the bottleneck of output.
3. equipment is simple to operate, and the operating personnel that need are few, and whole production line only just can be produced normally with 5 operating personnel.
4. premix complex additive granulation product production line can adapt to the production of multiple product, and the process route flexible design.
5. production line has from homogenization, and the variation of proportioning between the composite premixing and pelletizing product compositions of avoiding causing in the production process has improved the quality of the composite granulation product of premix.
6, the product cut size of premix complex additive granulation production line production is controlled easily, and selectable range is wide, and particle diameter is even.
7, device layout is reasonable, and institute takes up space few, and the whole production equipment investment is few, instant effect.
Description of drawings
Fig. 1 is the structural representation of the equipment of processing plastic additive described in the utility model.
Fig. 2 is the structural representation of another embodiment of equipment of processing plastic additive described in the utility model.
Among the figure:
1 metering device, 2 mixing arrangements
3 conveying devices, 4 prilling granulators
5 forced feeds, 6 compacting machines
7 heaters, 8 breakers
9 disintegrating machines, 10 pelletizing machines
11 screening plants, 12 prilling granulators
13 carry imperial 14 screening plants of hinge
15 prilling granulators
The specific embodiment
Following examples are used to illustrate the utility model, but are not used for limiting protection domain of the present utility model.
As shown in Figure 1, Fig. 1 is the structural representation of the equipment of described processing plastic additive.The equipment of processing plastic additive (also can be described as production line) comprises metering device 1, mixing arrangement 2, prilling granulator 4, breaker 8 and screening plant 11 successively.
Prilling granulator 4 comprises forced feed 5 and compacting machine 6, and breaker 8 comprises disintegrating machine 9 and pelletizing machine 10.
Mixing arrangement 2 can be this areas such as double cone mixer, high speed agitator or three-dimensional hybrid device blender commonly used.Screening plant 11 can be vibratory sieve.
After screening plant 11 screenings, the moulding particle separates with powder, in order to improve the equal voltinism of productive rate and product, powder after the screening returns, carry out once granulation again, therefore equipment of the present utility model also comprises a prilling granulator 12, and the material (powder) that 12 pairs of screening plants 11 of this prilling granulator sieve out not moulding carries out through carrying 13 granulations again of hinge dragon, material after the granulation enters breaker 8 again, and production circulates.
Before each prilling granulator, establish a heater 7, carry the hinge dragon, the material of carrying is carried out preheating, so that material can better granulating such as heating.
Can transport plastic additive by conveying device 3 (such as hinge dragon or bucket elevator) between each device in the utility model equipment.
It is as follows to adopt the utility model process equipment to carry out the basic process of production of plastic additive granulation, and " → " is depicted as the trend of plastic additive among Fig. 1.
1. operating personnel use metering device 1 (as the electronic scale of accuracy as 0.02kg) that various additives are measured by the single requirement of technology earlier, the additive that branch is installed drops into double cone mixer (volume 500L), sets incorporation time and rotating speed by the requirement of mixing procedure list.
2. by conveying device 3, heater (the hinge dragon is carried in heating) 7, with various additive delivery to forced feed 5 and compacting machine 6.
Conveying device 3 can be one and carries the hinge dragon, is provided with the frequency converter of control rotating speed, controls the inlet amount of whole system, can directly influence the productive rate of premix complex additive.Heating carries the hinge dragon also to belong to induction system, according to the material characteristic of producing and produce needs, the material of carrying is carried out preheating, so that material can better granulating, increases yield rate.Be transportation art equipment commonly used, can be commercially available.
Forced feed 5 is provided with frequency converter, by regulating rotating speed precompressed is carried out in premix, and the soft or hard degree of the particle of finished product is had certain influence; Compacting machine 6 also is provided with frequency converter, by regulating rotating speed granulating is pushed in premix, and the productive rate and the quality of finished product all had direct influence.Forced feed and compacting machine all are commercially available.
3. the additive after the granulation is transported to disintegrating machine 9 and pelletizing machine 10, and particle not of uniform size is adjusted, and makes the particle diameter distribution narrow of particle.
4. the additive behind the whole grain of fragmentation is through vibratory sieve, vibratory sieve is provided with two-layer screen cloth, mainly the semi-finished product of producing is before carried out separating of particle and powder, can be according to the single finished product that requires choose suitable particle size range of technology, then finished product is sent to check, qualified back packing; Powder then returns and is transported to another prilling granulator 12, is delivered to disintegrating machine 9 and pelletizing machine 10 with the particle after the granulation for the first time again, sieves processing again.
But conveying device between each device (as carrying the hinge dragon) is come convey materials.The heater 7 that the material that each granulation all can be established a pair of conveying before carries out preheating.
Processable polymer additive equipment described in the utility model can also have another kind of combining form, see Fig. 2, be primarily aimed at additive difficult moulding, different with Fig. 1 is, between prilling granulator 4 and disintegrating machine 9, establish a screening plant 14 and prilling granulator 15 again, just after the granulation first time, after once sieving, the powder of not moulding is carried out a granulation again.
Experimental example 1
The composite Granulation Equipments of premix of the present utility model both had been applicable to the composite granulation of multiple additives, also was applicable to the one pack system granulation simultaneously, utilized this equipment a plurality of products to be produced as a trial, and had formed more perfect process route and process conditions.
1, the process conditions of YSPPT1 determines
Process route to the composite pre-mixed additive of YSPPT1 (antioxidant 1076, antioxidant 168, calcium stearate, clarifier) is groped, by trial production, to adopting which kind of process route, which parameter of equipment should emphasis be controlled with these parameters this how mating and all had cognitively comparatively accurately, and make productive rate reach 125kg/h.According to this product these characteristics of good compression ratio are arranged, finally take the production equipment of Fig. 2.
In process of production the frequency of carrying hinge dragon, forced feed, compacting machine, pelletizing machine the emphasis regulation and control have been carried out.Because it is non-adjustable that bucket is carried rotating speed and partly cut with scissors imperial rotating speed; (carry the frequency of hinge dragon, forced feed 5, compacting machine 6 and pelletizing machine 10 so want emphasis debugging conveying device; make charging rate and compacting frequency and bucket elevator, heating carry equipment rotating speeds such as cutting with scissors dragon to be complementary; make utilization rate of equipment and installations and productive rate can both reach optimum; through pilot production in a few days; obtain following stable process conditions, see Table 1:
Table 1
| Carry hinge dragon 3 (HZ) | 11～15 | Carry hinge dragon 13 (HZ) | 11～16 | Pressure (Mpa) | 3 | Whole grain (HZ) | 20～30 | |
| | Forced feed (HZ) | 2～30 | | Forced feed (HZ) | 2～20 | | Forced feed (HZ) | 1.5～2.0 |
| Compacting (HZ) | 15～ 18 | Compacting (HZ) | 15～20 | Compacting (HZ) | 25～35 | |||
2, the process conditions of YK-KY 101 composite pre-mixed additive are groped and produce
(1076: composite pre-mixed additive zinc stearate=1: 1), scheduled production are 13 tons to produce YK-KY101.Production cycle is 124 hours, and productive rate is about 128kg/h, in process of production process conditions is groped to improve and finish smoothly production task.
In the setting of process conditions, emphasis is regulated and control parameters such as charging, forced feed and compacting frequencies, improves output under the prerequisite of parameter matching between the equipment of assurance each point as far as possible.Density owing to zinc stearate in the production process is very little, the mixing speed of forced feed is too fast, and zinc stearate is separated with antioxidant 1076, swims in the top of antioxidant 1076, so just causing a period of time material component major part is zinc stearate, can't suppress slivering.
In addition, in order to reduce the influence of repeatedly compacting to each component uniformity of material, decision adopts following process route to produce: carry imperial 3 sides of hinge to advance new material always; Imperial 13 sides of conveying hinge are advanced the material through overvoltage, so in fact just material have been carried out homogenizing in process of production.Obtain more stable technological parameter such as table 2 through adjusting:
Table 2
| Carry hinge dragon 3 (HZ) | 3～8 | Carry hinge dragon 13 (HZ) | 4～9 | Pressure (Mpa) | 5 | Whole grain (HZ) | 20～25 | |
| | Forced feed (HZ) | 2～5 | | Forced feed (HZ) | 2～5 | | Forced feed (HZ) | 2～5 |
| Compacting (HZ) | 6～13 | Compacting (HZ) | 6～19 | Compacting (HZ) | 15～28 | |||
3, to the optimization of the particlized condition of single-component product (antioxidant 1076)
Select to produce the particlized product of antioxidant 1076, in process of production the setting of the selection of process route and technological parameter is groped and progressively perfect.
According to the lab scale conclusion, because antioxidant 1076 has very strong compressibility, prilling granulator 4 and prilling granulator 12 have pressed that afterwards rolled twig rate is very high, play reaction on the contrary during through prilling granulator once more, have reduced output.Used the Granulation Equipments 4,12 of two parallel connections according to this situation instead and produced, directly entered disintegrating machine 9 and pelletizing machine 10 from carrying the hinge dragon, the adjusting process parameter, the each point material flow is complementary after, productive rate improves (production equipment is as shown in Figure 1) greatly.Technological parameter such as the table 3 determined:
Table 3
| Carry hinge dragon 3 (HZ) | 6～8 | Carry hinge dragon 13 (HZ) | 6～8 | Pressure (Mpa) | 5 | Whole grain (HZ) | 20～25 | |
| | Forced feed (HZ) | 1.5～2 | | Forced feed (HZ) | 1.5～2 | | Forced feed (HZ) | - |
| Compacting (HZ) | 16～ 20 | Compacting (HZ) | 16～20 | Compacting (HZ) | - | |||
Adopt the composite Granulation Equipments of the utility model premix that multiple product (comprising composite product of premix and single-component product) is tested and produced as a trial, all obtained satisfactory result, as can be seen, this equipment has general applicability to the granulation of most of auxiliary agent product.
Experimental example 2
Adopt the additive of production equipment production described in the utility model to be applied in the polymer production device, produce normally, improved product quality.
Owing to device itself, material stroke length also has drop when producing transparent polypropylene in Beijing Yanshan Petrochemical polypropylene division department.So occurred lamination in the course of conveying in the adding of additive with mixing of polypropylene (PP) powder, cause piling up at the lighter clarifier of charge door place density, material is stopped up herein, finally caused the serious consequence of stopping.
Adopt the composite Granulation Equipments of premix of additive described in the utility model that the additive that is added is carried out the composite granulation processing of premix (seeing experimental example 1.1).Through detecting, find that each constituent content is consistent with component design through pretreated additive, product quality is qualified.And on probation through the production of swallowization polypropylene division department, reinforced smooth and easy in process of production, no putty and arch formation take place.After adopting this kind additive, reduced of the variation of each component of reinforced mistake and additive in reinforced process, improved product quality, reduce product cost, dust loss obviously reduces simultaneously, improves operating environment, reduced the auxiliary agent loss, reduce labour intensity, improve the safety and the environmental protection of process units, also improved the product technology confidentiality.
Claims (9)
1, a kind of equipment of processing plastic additive is characterized in that comprising successively metering device (1), mixing arrangement (2), prilling granulator (4), breaker (8) and screening plant (11).
2, the equipment of processing plastic additive according to claim 1 is characterized in that also comprising that material that a pair of screening plant (11) sieves out not moulding carries out the prilling granulator (12) that material after granulation again and the granulation enters breaker (8) again.
3, the equipment of processing plastic additive according to claim 1 and 2 is characterized in that described prilling granulator (4) includes Compulsory feeder used (5) and compacting machine (6).
4,, it is characterized in that described breaker (8) comprises disintegrating machine (9) and pelletizing machine (10) according to the equipment of claim 1 or 2 processing plastic additives.
5, the equipment of processing plastic additive according to claim 1 and 2 is characterized in that also comprising between described prilling granulator (4) and the breaker (8) screening plant (14) and a prilling granulator (15).
6, the equipment of processing plastic additive according to claim 1 and 2 is characterized in that described prilling granulator (4,12) also comprises a heater (7) before.
7, the equipment of processing plastic additive according to claim 6 is characterized in that linking to each other by conveying device (3) between each device.
8, the equipment of processing plastic additive according to claim 7 is characterized in that described conveying device (3) is bucket elevator or conveying hinge dragon.
9, the equipment of processing plastic additive according to claim 1 is characterized in that described mixing arrangement (2) is double cone mixer, high speed agitator or three-dimensional hybrid device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133936 CN200977706Y (en) | 2006-09-28 | 2006-09-28 | Equipment for processing plastic additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133936 CN200977706Y (en) | 2006-09-28 | 2006-09-28 | Equipment for processing plastic additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200977706Y true CN200977706Y (en) | 2007-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620133936 Expired - Lifetime CN200977706Y (en) | 2006-09-28 | 2006-09-28 | Equipment for processing plastic additive |
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| Country | Link |
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| CN (1) | CN200977706Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626667A (en) * | 2012-04-12 | 2012-08-08 | 重庆市易特杰机械制造有限公司 | Dustless feeding, granulating, sieving and smashing system |
-
2006
- 2006-09-28 CN CN 200620133936 patent/CN200977706Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626667A (en) * | 2012-04-12 | 2012-08-08 | 重庆市易特杰机械制造有限公司 | Dustless feeding, granulating, sieving and smashing system |
| CN102626667B (en) * | 2012-04-12 | 2014-12-03 | 重庆市易特杰机械制造有限公司 | Dustless feeding, granulating, sieving and smashing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071121 |
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| EXPY | Termination of patent right or utility model |