CN100529251C - Method for producing paper pulp utilizing herbal plant, crop stalk and ore powder - Google Patents
Method for producing paper pulp utilizing herbal plant, crop stalk and ore powder Download PDFInfo
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- CN100529251C CN100529251C CNB2006100779726A CN200610077972A CN100529251C CN 100529251 C CN100529251 C CN 100529251C CN B2006100779726 A CNB2006100779726 A CN B2006100779726A CN 200610077972 A CN200610077972 A CN 200610077972A CN 100529251 C CN100529251 C CN 100529251C
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Abstract
The invention provides a method for using the straw of herb and crop, and mineral powder to produce paper pulp. The invention comprises that 1, breaking the straw of herb and crop, while the granularity is 450-40 deals; 2, treating the straw powder; 3, mixing the straw powder with the mineral powder at 40-14 deals of granularity in the mixer; 4, adding water into mixed mixture to form the suspension, taking out the suspension, separating the mineral powder, and screening the suspension with the screen at 100-60 deals to obtain the original paper pulp, while the mineral powder can be repeatedly utilized. The invention uses the straw of herb and crop as material, with wide resource, while the adjust range of the quality of paper pulp is large. The invention has simple process and energy-saving property, while the mineral powder can be circulated. The inventive paper pulp can be used to produce transparent paper, print paper, or the like.
Description
Technical field
The present invention relates to a kind of method of utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp, belong to pulp technology for making paper.
Background technology
Now, the paper pulp that is used for papermaking mainly is wood pulp, and the demand of timber resources worsening shortages, paper pulp increases day by day because China reaches in the world, and production paper pulp and papermaking just become serious problem under the prerequisite of not destroying environment and forest.As the scheme of dealing with problems, utilize herbaceous plant and crop stalk papermaking more and more to be subjected to people's attention.At present, existing about utilizing herbaceous plant or crop stalk to make the technology report of paper pulp, as Chinese patent communique invention disclosed patent in 2 days Mays calendar year 2001: cornstalk is the technology that raw material is made paper pulp, the patent No.: 99113340.4, its technical scheme is: be cornstalk to be placed on Liang Chu carry out bone dry, it is long to be cut into 3-4cm, remove fallen leaves and foreign material on the crust, the stalk core removed and be made into raw material with a certain size, then raw material in being the cooking liquor of 10-15%, concentration is carried out boiling, pulling raw material out puts into water and neutralizes, high temperature drying promptly becomes paper pulp raw material, and paper pulp raw material adds water move to after concentration reaches 10%wt/wt, soaks long-pending 2 hours, pressing TAPPI standard T249PM-74 method pulls an oar with the PFImill beater, the present invention as paper pulp raw material, has replaced timber with annual corn resources, and defective is: (1) removes the stalk core, promptly waste raw material, and technology is loaded down with trivial details; (2) adopt the beater beating time long in the present technique, the energy consumption height; (3) be subjected to the restriction of beater mechanical precision, the paper pulp sophistication of getting is poor; (4) this technology is just carried out slurrying to corn stalk, and raw material is single.
Summary of the invention
The method of the objective of the invention is a kind ofly to overcome above-mentioned defective, technology is simple, cost is low, pulp property is good utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp, its technical scheme is:
A kind of method of utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp, it is characterized in that the steps in sequence that comprises is: (1) straw is pulverized, and granularity is 450～40 orders; (2) processing of straw powder is adopted a kind of of following method: a, earlier the straw powder was soaked more than 5 minutes, and heating was boiled 5～15 minutes again, and filtering moisture obtains the raw material that processing machinery is starched then, and is standby; B, earlier the straw powder was soaked more than 5 minutes, put into cooking liquor and soaked 10～30 minutes, heating was boiled 5～15 minutes again, and filtering cooking liquor then obtains the raw material of preparation chemical pulp, and is standby; Wherein cooking liquor is a kind of of following composition: a, water and NaOH, and the weight ratio of straw powder and NaOH, water is 10: 4: 100～300, and wherein the straw powder weight is meant the weight of dried straw powder; B, water, NaOH and Na
2S.9H
2O, straw powder and NaOH, Na
2S.9H
2The weight ratio of O, water is 10: 4: 1: 100～300, and wherein the straw powder weight is meant the weight of dried straw powder; (3) straw powder after will handling and granularity are that 40～14 purpose mineral powders are gone into mixer and stirred, and mineral powder adopts dolomite or quartz mine; (4) the mixture after being mixed water filling is formed suspension, pour out suspension and separate with mineral powder, again suspension is promptly got original paper pulp one time through 100～60 purpose sieve screens, mineral powder can reuse.
The described method of utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp, in the step (3), the straw powder of filtering moisture and mineral powder are mixed with 10: 200～300 part by weight, go into mixer and stirred 1～10 minute, wherein the weight of straw powder is meant the weight of dried straw powder.
The described method of utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp is bleached the original paper pulp that obtains with bleaching agent or fluorescent whitening agent.
The present invention compared with prior art has following advantage:
(1) stir with mixer and once stir back water filling pulping, technology is simple, and energy-conservation several times, and mineral powder can be reused or his usefulness, and cost is low; (2) present technique is suitable for herbaceous plant and crop stalks such as corn, wheat, paddy rice, sweet wormwood, artemisia annua, and raw material range is wide; (3) adjustable range of paper pulp thickness degree is big, utilizes this paper pulp can make text paper, cellophane paper, printing paper, writing paper, wrapping paper, cardboard etc., and purposes is wide.
The specific embodiment
Embodiment 1: utilize corn stalk and dolomite dust to make text paper and cellophane paper paper pulp, the steps include:
(1) with dried corn stalk defoliation, remove fringe, go to pulverize behind the root, granularity is less than 40 orders, the 10 gram straw powder of getting wherein are example;
(2) processing of straw powder: earlier the straw powder was soaked 6 minutes, put into cooking liquor again and soaked 30 minutes, heating was boiled 10 minutes again, used 450 eye mesh screen filtering cooking liquors standby then, and wherein cooking liquor consists of water, NaOH and Na
2S.9H
2O, straw powder and NaOH, Na
2S.9H
2The weight ratio of O, water is 10: 4: 1: 200, and wherein the straw powder weight is meant the weight of dried straw powder;
(3) straw powder after will handling and granularity are to go into mixer after 30～20 purpose dolomite dusts, 250 grams mix to stir 10 minutes;
(4) the mixture after being mixed water filling is formed suspension, the mineral powder natural sedimentation, pouring out suspension separates with mineral powder, again suspension is promptly got original paper pulp one time through 100 purpose sieve screens, the precipitation mineral powder can reuse, again original paper pulp is added the ratio boiling 15 minutes of 1 gram NaOH, remove impurity;
(5) bleach adding clorox in the original paper pulp behind the removal impurity in the step (4), promptly get the paper pulp of making text paper and cellophane paper.
Embodiment 2: utilize sweet wormwood and dolomite dust to make the paper pulp of printing paper and writing paper, the steps include:
(1) with dried sweet wormwood straw defoliation, remove seed, go to pulverize behind the root, granularity is less than 40 orders, the 10 gram straw powder of getting wherein are example;
(2) processing of straw powder: soak the straw powder more than 6 minutes earlier, heating was boiled 10 minutes again, pour out 50% usefulness, 450 eye mesh screen filtering moisture then, obtain the raw material of processing machinery slurry, remaining 50% puts into cooking liquor soaked 30 minutes, heating was boiled 10 minutes again, used 400 eye mesh screen filtering cooking liquors then, and this is the raw material of preparation chemical pulp;
(3) going into mixer after raw material adding 125 grams 30～20 purpose mineral powders of the processing machinery of gained in the step (2) being starched mix stirred 10 minutes, the raw material of the preparation chemical pulp of gained in the step (2) is added to go into mixer after 125 grams, 30～20 purpose mineral powders mix and stirred 10 minutes, take out then and mix;
(4) the mixture after being mixed water filling is formed suspension, the mineral powder natural sedimentation is poured out suspension and is separated with mineral powder, again suspension is promptly got original paper pulp one time through 100 purpose sieve screens, the precipitation mineral powder can reuse, and then with original pulp cooking 10 minutes, removes impurity;
(5) the original paper pulp behind the removal impurity in the step (4) is added sodium hypochlorite bleaching, promptly get the paper pulp of making printing paper and writing paper.Utilize this method cooking liquor cost to reduce by half.
Embodiment 3: utilize corn stalk and dolomite dust to make the paper pulp of wrapping paper or cardboard, the steps include:
(1) will pulverize behind the dried corn stalk defoliation, granularity is less than 40 orders, and the 10 gram straw powder of getting wherein are example;
(2) processing of straw powder: earlier the straw powder was soaked 30 minutes, heating was boiled 15 minutes again, and filtering moisture is standby then;
(3) straw powder after will handling and granularity are to go into mixer after 30～20 purpose dolomite dusts, 250 grams mix to stir 10 minutes;
(4) the mixture after being mixed water filling is formed suspension, the mineral powder natural sedimentation is poured out suspension and is separated with mineral powder, again suspension is promptly got the paper pulp of making wrapping paper or cardboard one time through 60 purpose sieve screens, and the precipitation mineral powder can reuse.
Claims (3)
1, a kind of method of utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp, it is characterized in that the steps in sequence that comprises is: (1) straw is pulverized, and granularity is 450～40 orders; (2) processing of straw powder is adopted a kind of of following method: a, earlier the straw powder was soaked more than 5 minutes, and heating was boiled 5～15 minutes again, and filtering moisture obtains the raw material that processing machinery is starched then, and is standby; B, earlier the straw powder was soaked more than 5 minutes, put into cooking liquor and soaked 10～30 minutes, heating was boiled 5～15 minutes again, and filtering cooking liquor then obtains the raw material of preparation chemical pulp, and is standby; Wherein cooking liquor is a kind of of following composition: a, water and NaOH, and the weight ratio of straw powder and NaOH, water is 10: 4: 100～300, and wherein the straw powder weight is meant the weight of dried straw powder; B, water, NaOH and Na
2S.9H
2O, straw powder and NaOH, Na
2S.9H
2The weight ratio of O, water is 10: 4: 1: 100～300, and wherein the straw powder weight is meant the weight of dried straw powder; (3) straw powder after will handling and granularity are that 40～14 purpose mineral powders are gone into mixer and stirred, and mineral powder adopts dolomite or quartz mine; (4) the mixture after being mixed water filling is formed suspension, pour out suspension and separate with mineral powder, again suspension is promptly got original paper pulp one time through 100～60 purpose sieve screens, mineral powder can reuse.
2, the method for utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp as claimed in claim 1, it is characterized in that: in the step (3), the straw powder of filtering moisture and mineral powder are mixed with 10: 200～300 part by weight, go into mixer and stirred 1～10 minute, wherein the weight of straw powder is meant the weight of dried straw powder.
3, the method for utilizing herbaceous plant and crop stalk and mineral powder to produce paper pulp as claimed in claim 1 is characterized in that: with bleaching agent or fluorescent whitening agent the original paper pulp that obtains is bleached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100779726A CN100529251C (en) | 2006-02-28 | 2006-04-26 | Method for producing paper pulp utilizing herbal plant, crop stalk and ore powder |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610042566 | 2006-02-28 | ||
| CN200610042566.6 | 2006-02-28 | ||
| CNB2006100779726A CN100529251C (en) | 2006-02-28 | 2006-04-26 | Method for producing paper pulp utilizing herbal plant, crop stalk and ore powder |
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| Publication Number | Publication Date |
|---|---|
| CN101008160A CN101008160A (en) | 2007-08-01 |
| CN100529251C true CN100529251C (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100779726A Expired - Fee Related CN100529251C (en) | 2006-02-28 | 2006-04-26 | Method for producing paper pulp utilizing herbal plant, crop stalk and ore powder |
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| Country | Link |
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| CN (1) | CN100529251C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012636A (en) * | 2016-06-11 | 2016-10-12 | 苏州思创源博电子科技有限公司 | Preparation method for enzyme-modified straw paper pulp |
| CN106012634A (en) * | 2016-06-11 | 2016-10-12 | 苏州思创源博电子科技有限公司 | Method for making paper pulp from straw |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333723A (en) * | 2013-07-19 | 2013-10-02 | 中国农业科学院棉花研究所 | High pressure cotton straw alkali treatment method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042958A (en) * | 1988-11-25 | 1990-06-13 | 河南省淮阳县造纸厂 | The medium-grade toilet paper from wheat straw manufacture method |
| CN1143699A (en) * | 1995-08-24 | 1997-02-26 | 河北京狮草纤维制品有限公司 | Method for preparing dissolved pulp of artificial wheat straw fibre |
| CN1454272A (en) * | 2000-06-29 | 2003-11-05 | Cp&P株式会社 | Method for preparing pulp from cornstalk |
| CN1166836C (en) * | 1999-10-13 | 2004-09-15 | 鱼京淑 | Technology for preparing paper pulp from corn stalk |
| CN1177733C (en) * | 2000-11-03 | 2004-12-01 | 尚德库 | Basalt-pearlspar composite fiber paper |
| CN1657694A (en) * | 2005-03-09 | 2005-08-24 | 中国制浆造纸研究院 | Wood method for pulping using cotton stalk, bush or brush |
-
2006
- 2006-04-26 CN CNB2006100779726A patent/CN100529251C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042958A (en) * | 1988-11-25 | 1990-06-13 | 河南省淮阳县造纸厂 | The medium-grade toilet paper from wheat straw manufacture method |
| CN1143699A (en) * | 1995-08-24 | 1997-02-26 | 河北京狮草纤维制品有限公司 | Method for preparing dissolved pulp of artificial wheat straw fibre |
| CN1166836C (en) * | 1999-10-13 | 2004-09-15 | 鱼京淑 | Technology for preparing paper pulp from corn stalk |
| CN1454272A (en) * | 2000-06-29 | 2003-11-05 | Cp&P株式会社 | Method for preparing pulp from cornstalk |
| CN1177733C (en) * | 2000-11-03 | 2004-12-01 | 尚德库 | Basalt-pearlspar composite fiber paper |
| CN1657694A (en) * | 2005-03-09 | 2005-08-24 | 中国制浆造纸研究院 | Wood method for pulping using cotton stalk, bush or brush |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012636A (en) * | 2016-06-11 | 2016-10-12 | 苏州思创源博电子科技有限公司 | Preparation method for enzyme-modified straw paper pulp |
| CN106012634A (en) * | 2016-06-11 | 2016-10-12 | 苏州思创源博电子科技有限公司 | Method for making paper pulp from straw |
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| CN101008160A (en) | 2007-08-01 |
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