CN103952942B - A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae - Google Patents
A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae Download PDFInfo
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- CN103952942B CN103952942B CN201410197684.9A CN201410197684A CN103952942B CN 103952942 B CN103952942 B CN 103952942B CN 201410197684 A CN201410197684 A CN 201410197684A CN 103952942 B CN103952942 B CN 103952942B
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 239000002002 slurry Substances 0.000 title claims abstract description 44
- 239000002994 raw material Substances 0.000 title claims abstract description 16
- 238000000465 moulding Methods 0.000 title claims abstract description 13
- 238000010411 cooking Methods 0.000 claims abstract description 45
- 238000004537 pulping Methods 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 241000209082 Lolium Species 0.000 abstract description 2
- 229920002472 Starch Polymers 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract description 2
- 230000029087 digestion Effects 0.000 abstract description 2
- 235000019698 starch Nutrition 0.000 abstract description 2
- 239000008107 starch Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000112525 Salix psammophila Species 0.000 description 1
- 241000124015 Salix viminalis Species 0.000 description 1
- 206010001093 acute tonsillitis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae, relate to plant molding pulping technique field, the method, including procedure for preparation, feed process, for the first time cooking process, for the first time squeezing process, for the second time cooking process, for the second time squeezing process, grinds to form slurry process and insulation operation；The present invention, with Cortex Salicis Cheilophilae for slurrying new raw material, not only achieves effective utilization of resource, is greatly improved the value of resource, has expanded again the raw material sources of paper-making pulping simultaneously, compensate for the wretched insufficiency of ryegrass pulping raw material, add for paper-making pulping and newly starch kind.The present invention also has 1) alkali charge is low, and liquor ratio is little；2) pulping evenness significantly improves, and yield is high, and unscreened yield is up to 40～50%；3) effectively digestion time 2～3 hours, the feature that production efficiency is high.
Description
Technical field
The present invention relates to plant molding pulping technique field, particularly relate to a kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae.
Background technology
Cortex Salicis Cheilophilae (formal name used at school: Salixpsammophila) another name osier willow, fall horse (Tibetan name), for desert plant, be also the only a few a kind of plant that can be grown in salt-soda soil.Its sprout yellow, leaf is linear or wire lanceolar, and branch is grown thickly and is not afraid of husky pressure, well developed root system, rudiment power is strong, is desert-control tree, its natural enemy is Cortex Salicis Cheilophilae acute tonsillitis, is born in the ground such as small stream limit, river valley wetland, the distribution Inner Mongol, Hebei, Shanxi, Shaanxi, Gansu, Qinghai, Sichuan.
In recent years, Cortex Salicis Cheilophilae proceeds by research as a kind of novel plant molding raw material.Cortex Salicis Cheilophilae is the high-quality desert shrub that China checks winds and fixes drifting sand, have sand drought-enduring, cold-resistant, high temperature resistant, resistance to bury, breeding weather-proof, easy, the characteristic such as fast-growing, country puts into huge fund for checking winds and fixing drifting sand and plants Cortex Salicis Cheilophilae in a large number.For prevent nature from decaying and withered Cortex Salicis Cheilophilae must every 3 years stumps once.The Cortex Salicis Cheilophilae that past stump gets off is burned off mainly as yule logs, causes resource serious waste.Chemical-mechanical pulping technology has the features such as slurry yield is high, equipment investment is low, contaminated wastewater is low, Cortex Salicis Cheilophilae carries out high yield pulp1 chemical mechanical slurry systeming process discussion, is particularly suitable for the national conditions of China.Effective utilization of the desert shrub woodss such as Cortex Salicis Cheilophilae, provides certain timber resources for China's development pulping wood, and the development for China's plant molding and forestry has important strategic importance.
Cortex Salicis Cheilophilae belongs to leaf wood diffuse porous wood, fiber is shorter, cell wall is relatively thin, this influences whether the chemical-mechanical pulping performance of Cortex Salicis Cheilophilae, reduce the physical strength of Cortex Salicis Cheilophilae high yield pulp, reducing plant shaped article quality, Cortex Salicis Cheilophilae slurry can only produce low-grade plant shaped article, limit production and the range of application of Cortex Salicis Cheilophilae high yield pulp1.It is thus desirable to research and probe is suitable for the high yield pulp1 chemical mechanical slurry systeming process of Cortex Salicis Cheilophilae, to improve the machinery pulping performance of Cortex Salicis Cheilophilae, expand high yield pulp range of application, improve the value of Cortex Salicis Cheilophilae.
Summary of the invention
The purpose of the present invention is that offer is a kind of and makes full use of discarded Cortex Salicis Cheilophilae, improves the value of Cortex Salicis Cheilophilae, expands pulping raw material source, and produced slurry meets the Cortex Salicis Cheilophilae closed circulation preparation method of plant forming requirements.
In order to realize the purpose of the present invention, we will adopt the following technical scheme that and be practiced:
A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae, including procedure for preparation: Cortex Salicis Cheilophilae is cut into slices, remove impurity, dedusting, preimpregnation；Feed process: the Cortex Salicis Cheilophilae section after preimpregnation sends into first order cylinder reaction warehouse by single-screw charger；It is characterized in that: also include: for the first time cooking process, for the first time squeezing process, for the second time cooking process, for the second time squeezing process, grind to form slurry process and insulation operation, wherein:
Cooking process for the first time: the potassium hydroxide cooking liquor that concentration is 8% is added in the Cortex Salicis Cheilophilae section through preimpregnation in first order cylinder reaction warehouse, and temperature 65 DEG C 75 DEG C, the time is to react under conditions of one hour；
Squeezing process for the first time: through the Cortex Salicis Cheilophilae slurry that cooking process processed for the first time, after squeezing by first order squeezer, extract black liquor and flow to cooking liquor case by pipeline, the device adding cooking liquor being transmitted back to first order cylinder reaction warehouse after carrying out fluid infusion recycles, Cortex Salicis Cheilophilae slurry after squeezing, flows to the cylinder reaction warehouse of the second level by conveyance conduit；
Cooking process for the second time: the Cortex Salicis Cheilophilae slurry after first order squeezing process squeezes adds, by cooking liquor adding set, the potassium hydroxide cooking liquor that concentration is 10% in the cylinder reaction warehouse of the second level, being 90 DEG C 110 DEG C in temperature, the time is to react under conditions of one hour；
Squeezing process for the second time: the Cortex Salicis Cheilophilae slurry processed through second time cooking process, after squeezing by second level squeezer, extract black liquor and flow to cooking liquor case by pipeline, the device adding cooking liquor being transmitted back to second level cylinder reaction warehouse after carrying out fluid infusion recycles, Cortex Salicis Cheilophilae slurry after squeezing, flows to grinder by conveyance conduit and is ground pulping；
Grind to form slurry process: the Cortex Salicis Cheilophilae slurry after second level squeezer squeezes, after adding potassium hydroxide cooking liquor and the hydrogen peroxide cooking liquor that concentration is 3% of concentration 10%, be ground pulping；
Insulation operation: the Cortex Salicis Cheilophilae slurry after the grinding of ground one-tenth slurry process, is transported in thermal insulation pool by conveyance conduit, and temperature retention time is six hours.
Beneficial effect
The present invention, with Cortex Salicis Cheilophilae for slurrying new raw material, not only achieves effective utilization of resource, is greatly improved the value of resource, has expanded again the raw material sources of paper-making pulping simultaneously, compensate for the wretched insufficiency of ryegrass pulping raw material, add for paper-making pulping and newly starch kind.The method that the present invention prepares plant molding slurry with Cortex Salicis Cheilophilae for raw material closed circulation, 1) alkali charge is low, and liquor ratio is little；2) pulping evenness significantly improves, and yield is high, and unscreened yield is up to 40～50%；3) effectively digestion time 2～3 hours, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention
Detailed description of the invention
Embodiment:
A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae:
One, procedure for preparation: Cortex Salicis Cheilophilae is cut into slices, remove impurity, dedusting, preimpregnation；
Two, feed process: the Cortex Salicis Cheilophilae section after preimpregnation sends into first order cylinder reaction warehouse by single-screw charger；
Three, cooking process for the first time: the potassium hydroxide cooking liquor that concentration is 8% is added in the Cortex Salicis Cheilophilae section through preimpregnation in first order cylinder reaction warehouse, and temperature 75 DEG C, the time is to react under conditions of a hour；
Four, squeezing process for the first time: through the Cortex Salicis Cheilophilae slurry that cooking process processed for the first time, after squeezing by first order squeezer, extract black liquor and flow to cooking liquor case by pipeline, carry out fluid infusion, described fluid infusion is that the concentration of the black liquor of extraction is adjusted to required concentration, the device adding cooking liquor being transmitted back to first order cylinder reaction warehouse after fluid infusion recycles, and the Cortex Salicis Cheilophilae slurry after squeezing flows to the cylinder reaction warehouse of the second level by conveyance conduit；
Five, cooking process for the second time: the Cortex Salicis Cheilophilae slurry after first order squeezing process squeezes in the cylinder reaction warehouse of the second level by potassium hydroxide cooking liquor that cooking liquor adding set interpolation concentration is 10%, being 95 DEG C in temperature, the time is to react under conditions of one hour；
Six, squeezing process for the second time: the Cortex Salicis Cheilophilae slurry processed through second time cooking process, after squeezing by second level squeezer, extract black liquor and flow to cooking liquor case by pipeline, the device adding cooking liquor being transmitted back to second level cylinder reaction warehouse after carrying out fluid infusion recycles, Cortex Salicis Cheilophilae slurry after squeezing, flows to grinder by conveyance conduit and is ground pulping；
Seven, grind to form slurry process: the Cortex Salicis Cheilophilae slurry after second level squeezer squeezes, after adding potassium hydroxide cooking liquor and the hydrogen peroxide cooking liquor that concentration is 3% of concentration 10%, be ground pulping；
Eight, insulation operation: the Cortex Salicis Cheilophilae slurry after the grinding of ground one-tenth slurry process, is transported in thermal insulation pool by conveyance conduit, the plant molding slurry after being incubated six hours.
Claims (1)
1. the method preparing plant molding slurry with Cortex Salicis Cheilophilae for raw material closed circulation, including procedure for preparation: Cortex Salicis Cheilophilae is cut into slices, remove impurity, dedusting, preimpregnation；Feed process: the Cortex Salicis Cheilophilae section after preimpregnation sends into first order cylinder reaction warehouse by single-screw charger；It is characterized in that: also include: for the first time cooking process, for the first time squeezing process, for the second time cooking process, for the second time squeezing process, grind to form slurry process and insulation operation, wherein:
Cooking process for the first time: the potassium hydroxide cooking liquor that concentration is 8% is added in the Cortex Salicis Cheilophilae section through preimpregnation in first order cylinder reaction warehouse, and temperature 65 DEG C 75 DEG C, the time is to react under conditions of one hour；
Squeezing process for the first time: through the Cortex Salicis Cheilophilae slurry that cooking process processed for the first time, after squeezing by first order squeezer, extract black liquor and flow to cooking liquor case by pipeline, the device adding cooking liquor being transmitted back to first order cylinder reaction warehouse after carrying out fluid infusion recycles, Cortex Salicis Cheilophilae slurry after squeezing, flows to the cylinder reaction warehouse of the second level by conveyance conduit；
Cooking process for the second time: the Cortex Salicis Cheilophilae slurry after first order squeezing process squeezes adds, by cooking liquor adding set, the potassium hydroxide cooking liquor that concentration is 10% in the cylinder reaction warehouse of the second level, being 90 DEG C 110 DEG C in temperature, the time is to react under conditions of one hour；
Squeezing process for the second time: the Cortex Salicis Cheilophilae slurry processed through second time cooking process, after squeezing by second level squeezer, extract black liquor and flow to cooking liquor case by pipeline, the device adding cooking liquor being transmitted back to second level cylinder reaction warehouse after carrying out fluid infusion recycles, Cortex Salicis Cheilophilae slurry after squeezing, flows to grinder by conveyance conduit and is ground pulping；
Grind to form slurry process: the Cortex Salicis Cheilophilae slurry after second level squeezer squeezes, after adding potassium hydroxide cooking liquor and the hydrogen peroxide cooking liquor that concentration is 3% of concentration 10%, be ground pulping；
Insulation operation: the Cortex Salicis Cheilophilae slurry after the grinding of ground one-tenth slurry process, is transported in thermal insulation pool by conveyance conduit, and temperature retention time is six hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410197684.9A CN103952942B (en) | 2014-05-12 | 2014-05-12 | A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae |
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| CN201410197684.9A CN103952942B (en) | 2014-05-12 | 2014-05-12 | A kind of method preparing plant molding slurry for raw material closed circulation with Cortex Salicis Cheilophilae |
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| Publication Number | Publication Date |
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| CN103952942A CN103952942A (en) | 2014-07-30 |
| CN103952942B true CN103952942B (en) | 2016-08-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329193A (en) * | 2000-06-19 | 2002-01-02 | 榆林造纸厂 | Salix mongolica imonium pulping and paper-making method |
| CN102174760A (en) * | 2011-03-14 | 2011-09-07 | 山东轻工业学院 | Process for preparing pulp by using salix mongolia by chemical mechanical method |
| CN102182094A (en) * | 2011-04-12 | 2011-09-14 | 山东轻工业学院 | Salix mongolica sulfate pulp bleaching process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1031110A (en) * | 1974-12-19 | 1978-05-16 | Macmillan Bloedel Limited | High yield pulping process |
| US6302997B1 (en) * | 1999-08-30 | 2001-10-16 | North Carolina State University | Process for producing a pulp suitable for papermaking from nonwood fibrous materials |
-
2014
- 2014-05-12 CN CN201410197684.9A patent/CN103952942B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329193A (en) * | 2000-06-19 | 2002-01-02 | 榆林造纸厂 | Salix mongolica imonium pulping and paper-making method |
| CN102174760A (en) * | 2011-03-14 | 2011-09-07 | 山东轻工业学院 | Process for preparing pulp by using salix mongolia by chemical mechanical method |
| CN102182094A (en) * | 2011-04-12 | 2011-09-14 | 山东轻工业学院 | Salix mongolica sulfate pulp bleaching process |
Non-Patent Citations (2)
| Title |
|---|
| 连续蒸煮——沙柳化机浆的系统调试;果大彤;《天津造纸》;20081231(第1期);第24-27页 * |
| 预浸渍对沙柳两段P-RC APMP浆料性能的影响;薛玉 等;《中华纸业》;20120229;第33卷(第4期);第23-26页 * |
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| CN103952942A (en) | 2014-07-30 |
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Effective date of registration: 20200803 Address after: 017000 Wulan Aobao village, Xini Town, Hangjin Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: ERDOS HENGRUIHUANKE MANUFACTURING Co.,Ltd. Address before: 017000 the Inner Mongolia Autonomous Region city Erdos Hangjinqi town Haichang District 6-2-701 Patentee before: Gao Ping |