CN102658608A - Wood-plastic particle production process method and production system thereof - Google Patents
Wood-plastic particle production process method and production system thereof Download PDFInfo
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- CN102658608A CN102658608A CN2012101617137A CN201210161713A CN102658608A CN 102658608 A CN102658608 A CN 102658608A CN 2012101617137 A CN2012101617137 A CN 2012101617137A CN 201210161713 A CN201210161713 A CN 201210161713A CN 102658608 A CN102658608 A CN 102658608A
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Abstract
The invention relates to a wood-plastic particle production process method and a production system thereof. The method includes microwave drying, high-temperature mixing and melt plasticization granulation, the system comprises a microwave dryer, a high-temperature mixer and a granulator which are connected together, the microwaves emitted by the microwave dryer turn wood powder into a heating body, heating is rapid, the wood powder is uniformly heated, and is dehydrated from the inside to the outside, the moisture-discharging speed is high, consumed electricity is little, the drying efficiency is high, the effect is good, moreover, the lumens of the wood powder can be opened, so that additives and plastic can easily permeate into the lumens in the subsequent process, and thereby the wood powder and the plastic can be more sufficiently fused; moreover, the temperature of the mixture discharged after high-temperature mixing is higher than 100 DEG C, and when the mixture directly enters the melt plasticization granulation process, not only can energy consumption needed by granulation be reduced, but also the plasticization degree of wood-plastic particles can be increased; and compared with the conventional process, the whole production process greatly reduces energy consumption, increases the production efficiency and the product quality, and truly achieves the purposes of energy saving and environment protection.
Description
[technical field]
The invention belongs to Wood-plastic material or plastic-wood material processing technique field, relate to a kind of wood and mould grain processing technique method and production system thereof.
[background technology]
In recent years, utilize biological materials such as waste or used plastics and wood powder, husk, rice chaff, bamboo powder to extrude the Wood-plastic material of formation, be able to extensive popularization and application with the advantage of its low-carbon environment-friendly; Comprise floor, wallboard, fence, furniture, pallet, packing case, backing plate etc., but in traditional Wood-plastic material production technology, all be to adopt baking oven or similar devices that wood powder is carried out drying; Firing rate is slow; It is inhomogeneous to be heated, and the wood powder particle sloughs moisture from outside to inside, and drying efficiency is low; Weak effect, power consumption is big; In addition; Traditional production process all is to mix at normal temperatures, the fusion weak effect of wood powder and plastics and additive, even basic not fusion; Influence product quality; The plasticization degree is little, cause simultaneously the subsequent granulation operation need labor electric energy and time to heat, granulation, production efficiency is low.
[summary of the invention]
The above-mentioned technical problem of the present invention for solving: provide a kind of firing rate fast, be heated evenly, drying efficiency is high, effective, energy-conserving and environment-protective, and the wood that the quality of production is high is moulded grain processing technique method and production system thereof.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of wood is moulded the grain processing technique method, includes following steps:
A. microwave drying: utilize microwave that the wood powder raw material is carried out drying, the wood powder lumen is opened, apace the moisture content in the lumen is discharged, realize that wood powder dewaters from inside to outside, drying;
B. high temperature mixes: under the maintenance hot environment, the wood powder after the microwave drying, plastics and additive are stirred, are mixed, make partly plastic and additive and wood powder fusion, interpenetrate;
C. granulation: this operation and high temperature mixed processes fuse, and will carry out fusion plastification, cutting or broken granulation through flat two extruders or the two extruders of awl through the material that high temperature mixes.
Further, the hot environment during said high temperature mixes is 100 ℃～160 ℃, and said fusion plastification temperature is 150 ℃～230 ℃.
Further, said microwave is a frequency electromagnetic waves, and frequency is 300MHZ～300GHZ.
Further, said high temperature mixes the mixed material temperature that draws off greater than 100 ℃.
Further, said plastics are PE plastics or PP plastics or PVC plastics, and said additive is lubricant and antioxidant.
Further, said additive also includes age resister and/or anti-impact agent and/or compatilizer.
A kind ofly mould the production system of grain processing technique method, include based on above-mentioned wood:
300MHZ～300GHZ the electromagnetic wave that is used to utilize its microwave generator to send carries out dry microwave drier to the wood powder raw material;
Be used to be controlled under 100 ℃～160 ℃ high temperature modulated dry wood powder, plastics and the additive for preparing stirred, mixes, make partly plastic and additive and wood powder fusion, interpenetrative high temperature mixing arrangement;
Be used for the device that will under 150 ℃～230 ℃, carry out fusion plastification, cutting or broken granulation through the material that high temperature mixes.
Further; This production system also includes proportioner and central controller; Said proportioner includes dosage bunker and delivery pump; Said dosage bunker is connected with the feed opening of said microwave drier, and the input of said delivery pump is connected with the feeding port of said dosage bunker with the high temperature mixing arrangement respectively with output; Said central controller be one be equipped with control software computer, it is connected with proportioner with said microwave drier, high temperature mixing arrangement, prilling granulator.
The invention has the beneficial effects as follows:
The present invention is through technique scheme, and its microwave that sends makes wood powder itself become heater, does not need heat conducting process; Heating is heated evenly, and is dewatered from inside to outside rapidly; The moisture content velocity of discharge is fast, and power consumption is little, and drying efficiency is high, effective; And the wood powder lumen is opened, helped in the operation of back PE or PP plastics or PVC plastics and advance in the lumen, thereby make wood powder, plastic overmold fuse more abundant with additive penetration; And high temperature mixes the mixed material temperature draw off greater than 100 ℃, and directly gets into granulating working procedure, has both reduced the power consumption that granulation needs, and can improve the plasticizing rate that wood is moulded particle again; Entire production process is compared with traditional technology and is reduced power consumption greatly, and improve production efficiency and product quality really reaches the purpose of energy-conserving and environment-protective.
In addition, this production system has realized intelligent, automated production, can save the labour greatly, enhances productivity, and saves production cost.
[description of drawings]
Fig. 1 is that the described wood of the embodiment of the invention is moulded the schematic flow sheet of grain processing technique method;
Fig. 2 is the structural principle block diagram that the described wood of the embodiment of the invention is moulded the particle manufacture system;
Fig. 3 is that the embodiment of the invention two described wood are moulded the structural principle block diagram of particle manufacture system.
[specific embodiment]
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in fig. 1:
The said wood that the embodiment of the invention provides is moulded the grain processing technique method, includes following steps:
Steps A. microwave drying: utilize microwave (electromagnetic wave) that the wood powder raw material is carried out drying, the wood powder lumen is opened, apace the moisture content in the lumen is discharged, realize that wood powder dewaters from inside to outside, drying.
Step B. high temperature mixes: under the environment that keeps 100 ℃～160 ℃ of high temperature, the wood powder after the microwave drying, plastics and additive are stirred, are mixed, make partly plastic and additive and wood powder fusion, interpenetrate.
Step C. granulation: will under 150 ℃～230 ℃, carry out fusion plastification, cutting or broken granulation through the material that high temperature mixes.
Wherein, said microwave is a frequency electromagnetic waves, and frequency is 300MHZ～300GHZ; Said plastics are PE plastics or PP plastics or PVC plastics; Said additive is lubricant and antioxidant, also can include age resister and/or anti-impact agent and/or compatilizer etc.; The mixed material temperature that said high temperature mixing draws off is greater than 100 ℃.
Like this, the present invention adopts microwave mode to carry out drying, makes wood powder itself become heater, does not need heat conducting process; Heating is heated evenly, and is dewatered from inside to outside rapidly; The moisture content velocity of discharge is fast, and power consumption is little, and drying efficiency is high, effective; And the wood powder lumen is opened, helped in the operation of back PE or PP plastics or PVC plastics and advance in the lumen, thereby make wood powder, plastic overmold fuse more abundant with additive penetration; And high temperature mixes the mixed material temperature draw off greater than 100 ℃, and directly gets into granulating working procedure, has both reduced the power consumption that granulation needs, and can improve the plasticizing rate that wood is moulded particle again; Entire production process is compared with traditional technology and is reduced power consumption greatly, and improve production efficiency and product quality really reaches the purpose of energy-conserving and environment-protective.
As shown in Figure 2:
What the embodiment of the invention provided moulds the production system of grain processing technique method based on above-mentioned wood; Include interconnective microwave drier 1, high temperature mixing arrangement 2 and prilling granulator 3; Wherein, Said microwave drier includes Equipment Control case, microwave generator, unit heating cabinet, microwave TVS, frame and hopper etc. up and down, and being mainly used in the 300MHZ～300GHZ electromagnetic wave that utilizes its microwave generator to send carries out drying to the wood powder raw material; Said high temperature mixing arrangement 2 is a vertical mixer group (mixing unit like the DYHL system); Mainly constitute by high-speed mixer; Be used to be controlled at dry wood powder, plastics and the additive that to have prepared burden under 100 ℃～160 ℃ high temperature and stir, mix, make partly plastic and additive and wood powder fusion, interpenetrate; Said prilling granulator 3 is comminutors, is connected with the discharging opening of said high temperature mixing arrangement 2, is mainly used at 150 ℃～230 ℃ will carry out fusion plastification, cutting or broken granulation through the material that high temperature mixes down.
The operation principle of production system of the present invention is: at first, the microwave generator of microwave drier 1 sends 300MHZ～300GHZ electromagnetic wave the wood powder raw material is carried out drying, is delivered to high temperature mixing arrangement 2, and adds the plastics and the additive of corresponding proportion; Then; Said high temperature mixing arrangement 2 control high-speed mixing built-in temperatures remain between 100 ℃～160 ℃; And stir, mix, make partly plastic and additive and wood powder fusion, interpenetrate, treat after the fully fusion again temperature is delivered to prilling granulator 3 greater than 100 ℃ mixed material; At last, prilling granulator 3 carries out fusion plastification, cutting or broken granulation with mixed material.
As shown in Figure 3:
As a preferred embodiment of the present invention; This production system also includes a proportioner 4 and a central controller 5; Wherein, said proportioner 4 is located between microwave drier 1 and the high temperature mixing arrangement 2, and proportioner 4 includes dosage bunker 41 and delivery pump 42; This dosage bunker 41 is connected with the feed opening of microwave drier 1, and the input of delivery pump 42 is connected with the feeding port of dosage bunker 41 with high temperature mixing arrangement 2 respectively with output; Said central controller 5 is one the computer of control software to be installed, and it is connected with proportioner 4 with said microwave drier 1, high temperature mixing arrangement 2, prilling granulator 3, realization intellectuality, automated production.Be specially: at first, central controller 5 control microwave driers 1 start, and the wood powder raw material is carried out drying; And through feed opening dried wood powder is delivered to the dosage bunker 41 of proportioner 4; Meanwhile, operating personnel are added to the additive of corresponding proportion in the dosage bunker 41, after the wood powder amount that reaches setting; Central controller 5 control microwave driers 1 are shut down, and stop drying; Then, the delivery pump 42 of central controller 5 control proportioners 4 is with the modulated dry wood powder for preparing, plastics and additive suction to high temperature mixing arrangement 2; Central controller 5 starts high temperature mixing arrangement 2 then; Make it under 100 ℃～160 ℃ high temperature, stir, mix; Make partly plastic and additive and wood powder fusion, interpenetrate, and temperature is delivered to prilling granulator 3 greater than 100 ℃ mixed material through discharging opening; At last, prilling granulator 3 with mixed material cut, granulation.After 2 dischargings of high temperature mixing arrangement finished, central controller 5 started microwave drier 1 once more and carries out drying, and operation is with aforementioned consistent afterwards.Circulation so repeatedly realizes intelligent, automated production, can save the labour greatly, enhances productivity, and saves production cost.
Above content is to combine concrete optimal technical scheme to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (8)
1. a wood is moulded the grain processing technique method, it is characterized in that, includes following steps:
A. microwave drying: utilize microwave that the wood powder raw material is carried out drying, the wood powder lumen is opened, apace the moisture content in the lumen is discharged, realize that wood powder dewaters from inside to outside, drying;
B. high temperature mixes: under the maintenance hot environment, the wood powder after the microwave drying, plastics and additive are stirred, are mixed, make partly plastic and additive and wood powder fusion, interpenetrate;
C. granulation: will carry out fusion plastification, cutting or broken granulation at flat two extruders or the two extruders of awl through the material that high temperature mixes.
2. wood according to claim 1 is moulded the grain processing technique method, it is characterized in that, the hot environment during said high temperature mixes is 100 ℃～160 ℃, and said fusion plastification temperature is 150 ℃～230 ℃.
3. wood according to claim 1 and 2 is moulded the grain processing technique method, it is characterized in that, said microwave is a frequency electromagnetic waves, and frequency is 300MHZ～300GHZ.
4. wood according to claim 3 is moulded the grain processing technique method, it is characterized in that, the mixed material temperature that said high temperature mixing draws off is greater than 100 ℃.
5. wood according to claim 4 is moulded the grain processing technique method, it is characterized in that, said plastics are PE plastics or PP plastics or PVC plastics, and said additive is lubricant and antioxidant.
6. wood according to claim 5 is moulded the grain processing technique method, it is characterized in that, said additive also includes age resister and/or anti-impact agent and/or compatilizer.
7. mould the production system of grain processing technique method based on above-mentioned wood for one kind, it is characterized in that, include:
300MHZ～300GHZ the electromagnetic wave that is used to utilize its microwave generator to send carries out dry microwave drier (1) to the wood powder raw material;
Be used to be controlled under 100 ℃～160 ℃ high temperature modulated dry wood powder, plastics and the additive for preparing stirred, mixes, make partly plastic and additive and wood powder fusion, interpenetrative high temperature mixing arrangement (2);
Be used for to carry out under 150 ℃～230 ℃ through the material that high temperature mixes the prilling granulator (3) of fusion plastification, cutting or broken granulation.
8. production system according to claim 7; It is characterized in that; Also include proportioner (4) and central controller (5); Said proportioner (4) includes dosage bunker (41) and delivery pump (42), and said dosage bunker (41) is connected with the feed opening of said microwave drier (1), and the input of said delivery pump (42) is connected with the feeding port of said dosage bunker (41) with high temperature mixing arrangement (2) respectively with output; Said central controller (5) be one be equipped with control software computer, it is connected with said microwave drier (1), high temperature mixing arrangement (2), prilling granulator (3) and proportioner (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101617137A CN102658608A (en) | 2012-05-23 | 2012-05-23 | Wood-plastic particle production process method and production system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101617137A CN102658608A (en) | 2012-05-23 | 2012-05-23 | Wood-plastic particle production process method and production system thereof |
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| CN102658608A true CN102658608A (en) | 2012-09-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242590A (en) * | 2013-05-28 | 2013-08-14 | 苏州麦科威化工设备有限公司 | Method for producing wood-plastic blended particles by one-step method |
| CN110789020A (en) * | 2019-12-05 | 2020-02-14 | 陈剑毅 | Intermittent quantity-control and uniformly-coated plastic particle production equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621440A (en) * | 2004-10-21 | 2005-06-01 | 俞立群 | Plastic lignified board and its making method |
| CN1884380A (en) * | 2006-05-30 | 2006-12-27 | 吴新玥 | Plastic wood template and associated method of production |
| CN101181789A (en) * | 2007-12-07 | 2008-05-21 | 高晨 | Wood-plastic profiles and manufacturing method therefor |
-
2012
- 2012-05-23 CN CN2012101617137A patent/CN102658608A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621440A (en) * | 2004-10-21 | 2005-06-01 | 俞立群 | Plastic lignified board and its making method |
| CN1884380A (en) * | 2006-05-30 | 2006-12-27 | 吴新玥 | Plastic wood template and associated method of production |
| CN101181789A (en) * | 2007-12-07 | 2008-05-21 | 高晨 | Wood-plastic profiles and manufacturing method therefor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242590A (en) * | 2013-05-28 | 2013-08-14 | 苏州麦科威化工设备有限公司 | Method for producing wood-plastic blended particles by one-step method |
| CN103242590B (en) * | 2013-05-28 | 2015-08-12 | 苏州麦科威化工设备有限公司 | Blended particles technique moulded by One-step production wood |
| CN110789020A (en) * | 2019-12-05 | 2020-02-14 | 陈剑毅 | Intermittent quantity-control and uniformly-coated plastic particle production equipment |
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Application publication date: 20120912 |