CN116334943A - Process for extracting plant fiber by physical pyrolysis method - Google Patents
Process for extracting plant fiber by physical pyrolysis method Download PDFInfo
- Publication number
- CN116334943A CN116334943A CN202310382793.7A CN202310382793A CN116334943A CN 116334943 A CN116334943 A CN 116334943A CN 202310382793 A CN202310382793 A CN 202310382793A CN 116334943 A CN116334943 A CN 116334943A
- Authority
- CN
- China
- Prior art keywords
- main part
- plant fiber
- softener
- straws
- physical
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 30
- 238000000197 pyrolysis Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title description 10
- 239000010902 straw Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000011068 loading method Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000010025 steaming Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 229920002522 Wood fibre Polymers 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
Landscapes
- Paper (AREA)
Abstract
The invention discloses a physical-decomposition plant fiber extraction process, which comprises the following steps: 1) Preparing an aqueous softener solution; 2) Crushing raw materials; 3) Spraying the crushed aggregates with a softener water solution, and infiltrating the straws with the softener water solution with low concentration; 4) Loading into a steamer for steaming; the straw is cracked by high temperature and high pressure to decompose the complete softened plant fiber; 5) The steamed material is discharged through a rotary cutting discharge port; 6) And (5) drying, and packaging the finished product. The plant fiber extraction process provided by the invention infiltrates the straws through the low-concentration softener aqueous solution, and then the straws are cracked through high temperature and high pressure, so that the completely softened plant fibers are separated, the pollution to underground water and air is completely avoided, and the decay waste of part of fibers is also avoided.
Description
Technical Field
The invention relates to the technical field of plant fiber extraction, in particular to a plant fiber extraction process by a physical decomposition method.
Background
Plant fiber is a thick-walled tissue that is widely distributed in plants. The plant fiber is filiform or floccule formed by combining fiber and various nutrient substances, has the functions of supporting, connecting, wrapping, filling and the like for plants, and is widely existing in plant stalks, root systems, fruits and shells. According to the distribution position in the plant body, the wood fibers can be classified into external fibers and wood fibers. The traditional plant fiber extraction adopts a soaking fermentation method, so that the production period is long, the pollution to underground water resources and air is caused, and the decay and waste of part of fibers are caused.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a plant fiber extraction process by a physical hydrolysis method, and solves the problems of pollution to water sources and air and fiber decay caused by the traditional soaking fermentation method.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a physical pyrolysis method plant fiber extraction process, which comprises the following steps:
1) Preparing an aqueous softener solution;
2) Crushing raw materials;
3) Spraying the crushed aggregates with a softener water solution, and infiltrating the straws with the softener water solution with low concentration;
4) Loading into a steamer for steaming; the straw is cracked by high temperature and high pressure to decompose the complete softened plant fiber;
5) The steamed material is discharged through a rotary cutting discharge port;
6) And (5) drying, and packaging the finished product.
Still relate to a steamer, a serial communication port, including the main part, the main part bottom is the circular cone type of inversion, is provided with the support in the main part, be provided with pressurization hole and relief valve steam vent on the main part top lateral wall, pressurization hole and relief valve steam vent relative distribution, the main part bottom is provided with the discharge gate, be provided with a plurality of spiral knives in the discharge gate, be provided with the steam inlet on the discharge gate, be provided with a plurality of inspection holes on the lateral wall of main part circular cone type position.
Preferably, the working pressure of the steamer is 1.6-2.0mpa and the steam temperature is 40-180 ℃.
Preferably, the number of inspection holes is 3.
The invention has the beneficial effects that: the plant fiber extraction process provided by the invention infiltrates the straws through the low-concentration softener aqueous solution, and then the straws are cracked through high temperature and high pressure, so that the completely softened plant fibers are separated, the pollution to underground water and air is completely avoided, and the decay waste of part of fibers is also avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a plant fiber extraction process by a physical decomposition method according to an embodiment of the present invention.
Reference numerals illustrate: 1. a pressurizing hole; 2. a safety valve exhaust hole; 3. a support; 4. checking the hole; 5. a steam inlet; 6. and a discharge port.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1, a physical pyrolysis plant fiber extraction process, comprising the following steps:
1) Preparing an aqueous softener solution;
2) Crushing raw materials;
3) Spraying the crushed aggregates with a softener water solution, and infiltrating the straws with the softener water solution with low concentration;
4) Loading into a steamer for steaming; the straw is cracked by high temperature and high pressure to decompose the complete softened plant fiber;
5) The steamed material is discharged through a rotary cutting discharge port;
6) And (5) drying, and packaging the finished product.
Still relate to a digester, as shown in fig. 1, including the main part, the main part bottom is the circular cone of inversion, is provided with the support in the main part, be provided with pressurization hole and relief valve steam vent on the main part top lateral wall, pressurization hole and relief valve steam vent relative distribution, the main part bottom is provided with the discharge gate, be provided with a plurality of spiral knives in the discharge gate, be provided with the steam inlet on the discharge gate, be provided with a plurality of inspection holes on the lateral wall of main part circular cone type position.
Further, the working pressure of the steamer is 1.6-2.0mpa, and the steam temperature is 40-180 ℃.
Further, the number of inspection holes is 3.
The plant fiber extraction process provided by the invention infiltrates the straws through the low-concentration softener aqueous solution, and then the straws are cracked through high temperature and high pressure, so that the completely softened plant fibers are separated, the pollution to underground water and air is completely avoided, the decay waste of part of fibers is avoided, the environment is protected, the pollution is avoided, and the shutdown caused by the pollution is avoided.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. The physical pyrolysis plant fiber extraction process is characterized by comprising the following steps of:
1) Preparing an aqueous softener solution;
2) Crushing raw materials;
3) Spraying the crushed aggregates with a softener water solution, and infiltrating the straws with the softener water solution with low concentration;
4) Loading into a steamer for steaming; the straw is cracked by high temperature and high pressure to decompose the complete softened plant fiber;
5) The steamed material is discharged through a rotary cutting discharge port;
6) And (5) drying and packaging the finished product.
2. The utility model provides a steamer, its characterized in that, includes the main part, the main part bottom is the circular cone type of inversion, is provided with the support in the main part, be provided with pressurization hole and relief valve steam vent on the main part top lateral wall, pressurization hole and relief valve steam vent relative distribution, the main part bottom is provided with the discharge gate, be provided with a plurality of spiral knives in the discharge gate, be provided with the steam inlet on the discharge gate, be provided with a plurality of inspection holes on the lateral wall of main part circular cone type position.
3. A digester as claimed in claim 2 wherein the digester is operated at a pressure of 1.6 to 2.0mpa and a steam temperature of 40 to 180 ℃.
4. A digester as claimed in claim 2 wherein the number of inspection holes is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310382793.7A CN116334943A (en) | 2023-04-12 | 2023-04-12 | Process for extracting plant fiber by physical pyrolysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310382793.7A CN116334943A (en) | 2023-04-12 | 2023-04-12 | Process for extracting plant fiber by physical pyrolysis method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116334943A true CN116334943A (en) | 2023-06-27 |
Family
ID=86885759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310382793.7A Pending CN116334943A (en) | 2023-04-12 | 2023-04-12 | Process for extracting plant fiber by physical pyrolysis method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116334943A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062564A (en) * | 1990-12-21 | 1992-07-08 | 湖南省造纸研究所 | Technology for producing semi-chemical pulp of tobacco stalk with sulfite |
| EP0501059A1 (en) * | 1991-02-28 | 1992-09-02 | Bohuslav Vaclav Kokta | Steam explosion pulping process for papermaking |
| CN1214091A (en) * | 1996-01-17 | 1999-04-14 | E.Mc2发展公司 | Process for producing pulp from lignocellulosic plants, and pulp obtained |
| CN101736628A (en) * | 2008-11-12 | 2010-06-16 | 中国制浆造纸研究院 | Explosion pulping method for bamboo or cotton stalks or wood or various twigs |
| CN106702801A (en) * | 2016-12-18 | 2017-05-24 | 福建神采新材料科技有限公司 | Bamboo wood steaming process capable of reducing loss of Zhukun |
| CN216040404U (en) * | 2021-09-28 | 2022-03-15 | 陆河泰润人造板有限公司 | Boiler for boiling raw material of fiberboard |
-
2023
- 2023-04-12 CN CN202310382793.7A patent/CN116334943A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062564A (en) * | 1990-12-21 | 1992-07-08 | 湖南省造纸研究所 | Technology for producing semi-chemical pulp of tobacco stalk with sulfite |
| EP0501059A1 (en) * | 1991-02-28 | 1992-09-02 | Bohuslav Vaclav Kokta | Steam explosion pulping process for papermaking |
| CN1214091A (en) * | 1996-01-17 | 1999-04-14 | E.Mc2发展公司 | Process for producing pulp from lignocellulosic plants, and pulp obtained |
| CN101736628A (en) * | 2008-11-12 | 2010-06-16 | 中国制浆造纸研究院 | Explosion pulping method for bamboo or cotton stalks or wood or various twigs |
| CN106702801A (en) * | 2016-12-18 | 2017-05-24 | 福建神采新材料科技有限公司 | Bamboo wood steaming process capable of reducing loss of Zhukun |
| CN216040404U (en) * | 2021-09-28 | 2022-03-15 | 陆河泰润人造板有限公司 | Boiler for boiling raw material of fiberboard |
Non-Patent Citations (2)
| Title |
|---|
| 刘彦龙，唐朝发，刘学艳著: "《干法纤维板生产技术》", 31 October 2004, 吉林人民出版社, pages: 152 - 156 * |
| 隆言泉: "《制浆造纸工艺学》", 30 September 1980, 轻工业出版社, pages: 101 - 102 * |
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