CN1821310A - Method for producing package buffer material from pulp waste liquid and corn stalk pith - Google Patents
Method for producing package buffer material from pulp waste liquid and corn stalk pith Download PDFInfo
- Publication number
- CN1821310A CN1821310A CN 200610045700 CN200610045700A CN1821310A CN 1821310 A CN1821310 A CN 1821310A CN 200610045700 CN200610045700 CN 200610045700 CN 200610045700 A CN200610045700 A CN 200610045700A CN 1821310 A CN1821310 A CN 1821310A
- Authority
- CN
- China
- Prior art keywords
- marrow
- buffer material
- package buffer
- corn stalk
- cornstalk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000002699 waste material Substances 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 11
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 7
- 235000005822 corn Nutrition 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 240000008042 Zea mays Species 0.000 title abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000004537 pulping Methods 0.000 claims description 11
- 238000010411 cooking Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 claims description 2
- 239000010985 leather Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 241000209149 Zea Species 0.000 claims 2
- 238000000748 compression moulding Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000010902 straw Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 4
- 235000009973 maize Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000015505 Sorghum bicolor subsp. bicolor Nutrition 0.000 description 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
The package buffering material is produced with corn stalk pith crushed into 5-40 mesh as main material and waste pulp liquid evaporated and concentrated to solid content of 20-70 % as the adhesive in the corn stalk pith/ solid matter in waste liquid weight ratio of 1 to 0.1-10, and through mixing, forming in mold cavity at normal temperature and pressure of 0.02-0.5 MPa for at least 10 sec, demolding, and drying at 60-200 deg.c to water content of 6-12 %. The present invention realizes the harmless treatment of corn stalk and eliminates water pulp pollution, and the packing material has low cost, low density, high strength and good compression performance, and may meet the requirement of package buffering material.
Description
Technical field
What the present invention relates to is the comprehensive utilization field of agricultural production stalk, particularly produces the wrapping material technology.
Background technology
Current, aspect corn and broomcorn straw comprehensive utilization, reasonable approach is that stalk is separated into leaf, stalk skin and stalk marrow, is used respectively then, such as leaf being made feed or being gone back the field, with stalk leather slurry, produces package buffer material etc. with the stalk marrow.
Do package buffer material with the cornstalk marrow, the invention disclosed patent roughly can be divided into two classes.The technology of one class such as CN 94116536.1 (Northwest Agricultural University) patent, be after the stalk marrow is pulverized, bleached, be dried to and moisturely be divided into 12%, it is hot-forming in the mould to mat formation, and do not adopt tackiness agent, so intensity is limited, be not suitable as the package buffer material of large article, in addition maize straw being required must be air-dry month of fresh straw, can not be impure, and can not have and go mouldy.This is for the very strong agricultural crop straw of seasonality, brings obviously for the application of stalk and seriously influences.From whole process of production, its production discontinuous and manual operations are more, only are applicable to individual workship.Another kind of is the production method that adopts tackiness agent, as CN 88105118.7 (the Siping City Zhang Guangrui of Jilin Province), CN 99115768.0 (Xian City, Shanxi Province Wu Zhi is firm), CN 99115870.9 (Zhou Mouzhi of Xi'an University of Architecture and Technology etc.), CN 99113950.x (Shanghai Xu Hua), all be to adopt tackiness agent to mix with the stalk marrow, shaping and drying then, its tackiness agent adopts starch, polyvinyl alcohol etc. mostly, and other auxiliary agent of interpolation part as required, the consumption of tackiness agent is all bigger, has significantly improved production cost.
Summary of the invention
Defective at prior art exists the purpose of this invention is to provide a kind of cooking waste liquor of pulping and paper-making that utilizes and is tackiness agent, the stalk marrow is bondd make package buffer material, reduces the production method of the cost of package buffer material significantly.
Technical scheme of the present invention is to implement like this:
(1) adopts mechanical separation device that maize straw is separated into leaf, stalk skin and stalk marrow, the stalk skin is cut into the tablet of 25～30mm, be used for slurrying; The stalk marrow is ground into granularity between 5 orders～40 orders, is used to produce package buffer material.
(2) cooking waste liquor of employing slurrying is concentrated into 20～70% concentration with waste liquid, as the tackiness agent of package buffer material.
(3) granulous stalk marrow is mixed with the mass ratio of spissated pulping waste liquor by 1: 0.1～1.0 (in solid substances), in mixing machine, stir.
(4) the mixture branch is installed in the forming mould, at normal temperatures with the pressure compressed moulding of 0.02～0.5MPa.
(5) demoulding is placed on drying in the tunnel drier, 80～200 ℃ of drying temperatures.
(6), can be coated with water-resisting agent on the surface according to different product requirements.
Following processing condition are more superior in the above-mentioned after deliberation technology: the cooking waste liquor evaporation concentration of pulping and paper-making, make solid contents be reached for 40%～60%, consider from the angle of comprehensive utilization, especially with the cooking waste liquor of cornstalk skin alkalescence and monosulfite pulping for well; The mass ratio of the solid substance amount of cornstalk marrow and waste liquid is 1: 0.3～0.8; Drying temperature is 120～150 ℃.
Advantage compared with prior art of the present invention is: with the isolated by product stalk of pulping raw material marrow is raw material, waste liquid with slurrying is a tackiness agent, realized innoxious maize straw comprehensive utilization, paper pulp and package buffer material all have higher value added, wherein the cost of package buffer material is cheap unusually, and eliminated the pollution of pulping waste liquor, make changing waste into resources; Package buffer material itself is free from environmental pollution, can natural degradation.In addition, this package buffer material relative density of the present invention is low, have intensity and compressibility preferably, can satisfy the requirement of various packings for cushioning material fully.China produces about 2.2 hundred million tons of maize straw per year, if utilization ratio can reach 50%, can have 1.1 hundred million tons to be used for papermaking.General stalk skin content is 35% of full stalk, and the ratio of stalk marrow is 15%, can have an appointment 1,600 ten thousand tons for producing more than 2,000 ten thousand tons of package buffer materials.Therefore remarkable economical and social benefit are arranged.
Embodiment
Example one: get by 6 orders and be retained in stalk marrow on 10 mesh sieves, the ratio according to stalk marrow and waste liquid solid substance than 1: 0.6, the adding solid concentration is 40% waste liquid, stirs to make it to mix, in the cube of manually packing into the mould, apply the pressure of 0.2MPa, pressurizeed for 15 seconds, this moment, material was compressed into piece, the demoulding is placed in the moisture eliminator, at 150 ℃ of dry 20min, promptly make package buffer material, the relative density of material is 0.2415g/cm
3, have intensity and compressibility preferably.
Example two: get by 20 orders and be retained in stalk marrow on 40 mesh sieves, the ratio according to stalk marrow and waste liquid solid substance than 1: 0.5, the adding solid concentration is 40% waste liquid, stirs to make it to mix, in the cube of manually packing into the mould, apply the pressure of 0.15MPa, pressurizeed for 15 seconds, this moment, material was compressed into piece, the demoulding is placed in the moisture eliminator, at 150 ℃ of dry 20min, promptly make package buffer material, the relative density of material is 0.1826g/cm
3, have intensity and compressibility preferably.
Claims (5)
1. the manufacture method of a package buffer material utilizes corn stalk marrow, pulping waste liquor to be raw material, makes through pressure forming, drying, it is characterized in that processing step is:
(1) corn stalk marrow size degradation become granularity be by 5 orders and be trapped between 40 mesh sieves the grain; (2) slurrying is made
The cooking waste liquor evaporation concentration of paper makes solid contents reach 20%～70%;
(3) cooking waste liquor concentrated solution uniform mixing in mixing tank of cornstalk marrow grain and pulping and paper-making, the mass ratio of the solid substance amount of cornstalk marrow and waste liquid is 1: 0.1～1.0;
(4) mixture is distributed in the die cavity of mould, compression molding at normal temperatures, and pressure is 0.02～0.5MPa, at least 10 seconds clamping times;
(5) demoulding, drying, temperature is 60～200 ℃, is dried to water content 6～12%.
2. according to the manufacture method of the described package buffer material of claim 1, it is characterized in that the cooking waste liquor evaporation concentration of described pulping and paper-making, make solid contents be reached for 40%～60%.
3. according to the manufacture method of the described package buffer material of claim 1, it is characterized in that described cornstalk marrow grain and waste liquid uniform mixing in mixing tank, the mass ratio of the solid substance amount of cornstalk marrow and waste liquid is 1: 0.3～0.8.
4. according to the manufacture method of claim 1 or 2 described package buffer materials, it is characterized in that the cooking waste liquor of the cooking waste liquor of described pulping and paper-making for the papermaking of cornstalk leather slurry.
5. according to the manufacture method of the described package buffer material of claim 1, it is characterized in that described drying, temperature is 120～150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100457008A CN100386387C (en) | 2006-01-18 | 2006-01-18 | Method for producing package buffer material from pulp waste liquid and corn stalk pith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100457008A CN100386387C (en) | 2006-01-18 | 2006-01-18 | Method for producing package buffer material from pulp waste liquid and corn stalk pith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1821310A true CN1821310A (en) | 2006-08-23 |
| CN100386387C CN100386387C (en) | 2008-05-07 |
Family
ID=36922892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100457008A Expired - Fee Related CN100386387C (en) | 2006-01-18 | 2006-01-18 | Method for producing package buffer material from pulp waste liquid and corn stalk pith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100386387C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061176A (en) * | 2012-05-18 | 2013-04-24 | 刘晨 | Manufacturing technology for corn straw cotton |
| CN106479206A (en) * | 2016-10-20 | 2017-03-08 | 东北林业大学 | A kind of trielement composite material manufacture method based on alkali lignin |
| CN107973917A (en) * | 2017-10-30 | 2018-05-01 | 山东金正新科农业发展有限公司 | The method that stalk full constituent separates and prepares degradable utensil |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6523794A (en) * | 1993-03-24 | 1994-10-11 | Illinois Institute Of Technology | Biodegradable films and molded products and process for their production |
| CN1049400C (en) * | 1994-10-06 | 2000-02-16 | 西北农业大学 | Packging products made from corn-stalks and manufacture thereof |
| CN1120467A (en) * | 1994-10-13 | 1996-04-17 | 大连理工大学 | Prodn. of carbon molecular sieve from nut shell (seed) for producing nitrogen by air separation |
| CN1230386A (en) * | 1998-03-27 | 1999-10-06 | 江苏南浦机电集团股份有限公司 | Plant fiber tableware, food and article packing products and their production |
| CN1099986C (en) * | 1999-05-10 | 2003-01-29 | 吴志刚 | Packing material with liner of stalk (or straw) fibres and its production technology |
| CN1111568C (en) * | 1999-10-08 | 2003-06-18 | 西安建筑科技大学 | Foamed damping, buffering and packing straw fiber material and production method thereof |
-
2006
- 2006-01-18 CN CNB2006100457008A patent/CN100386387C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061176A (en) * | 2012-05-18 | 2013-04-24 | 刘晨 | Manufacturing technology for corn straw cotton |
| CN103061176B (en) * | 2012-05-18 | 2015-03-25 | 刘晨 | Manufacturing technology for corn straw cotton |
| CN106479206A (en) * | 2016-10-20 | 2017-03-08 | 东北林业大学 | A kind of trielement composite material manufacture method based on alkali lignin |
| CN107973917A (en) * | 2017-10-30 | 2018-05-01 | 山东金正新科农业发展有限公司 | The method that stalk full constituent separates and prepares degradable utensil |
| CN107973917B (en) * | 2017-10-30 | 2020-02-07 | 山东金正新科农业发展有限公司 | Method for separating straw whole components and preparing degradable appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100386387C (en) | 2008-05-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20110118 |