CN112064393A - Plant cellulose preparation equipment and process - Google Patents
Plant cellulose preparation equipment and process Download PDFInfo
- Publication number
- CN112064393A CN112064393A CN202010945546.XA CN202010945546A CN112064393A CN 112064393 A CN112064393 A CN 112064393A CN 202010945546 A CN202010945546 A CN 202010945546A CN 112064393 A CN112064393 A CN 112064393A
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- China
- Prior art keywords
- water
- raw material
- replacement bin
- separation equipment
- equipment
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- 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.)
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- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000008104 plant cellulose Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000000926 separation method Methods 0.000 claims abstract description 39
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 229920005610 lignin Polymers 0.000 claims abstract description 16
- 239000011265 semifinished product Substances 0.000 claims abstract description 10
- 239000010866 blackwater Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000000047 product Substances 0.000 claims abstract description 7
- 238000010411 cooking Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 240000000249 Morus alba Species 0.000 claims description 3
- 235000008708 Morus alba Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 244000082204 Phyllostachys viridis Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 240000000513 Santalum album Species 0.000 claims description 3
- 235000008632 Santalum album Nutrition 0.000 claims description 3
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010276 construction Methods 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
Abstract
The invention discloses plant cellulose preparation equipment and a process, wherein the preparation equipment mainly comprises a replacement bin (1) and separation equipment (5), the replacement bin (1) and the separation equipment (5) are connected through a main water pipe (4-1), and the preparation process comprises the following steps of raw material preparation, raw material softening in a horizontal replacement bin, discharging and black easy water heating and normal pressure separation. The automatic feeding and discharging device is completely operated at normal temperature and normal pressure, has high safety factor, fast feeding and discharging, performs rough machining on semi-finished products while discharging, and has high production efficiency. The black water produced in the process can be automatically classified into pure water and lignin finished products, and can be directly applied to industrial production to achieve the purpose of changing waste into valuable.
Description
Technical Field
The invention relates to the technical field of plant cellulose preparation, in particular to plant cellulose preparation equipment and a plant cellulose preparation process.
Background
In the traditional plant cellulose preparation process, a rotary spherical digester is generally used, and is a pressure container, so that the risk coefficient is high in the actual operation process, the feeding and discharging are slow, and one rotary spherical digester can be treated only in 8-12 hours according to statistics, and the process is time-consuming and labor-consuming.
It is known that, in the process of preparing plant cellulose by using the traditional process, a large amount of sewage is generated, and the sewage is treated, and the cost of the sewage treatment equipment is as high as about 800 ten thousand yuan RMB for every 400-.
Based on this, plant cellulose preparation equipment and process are needed to solve the above problems.
Disclosure of Invention
In order to solve the problem, the invention discloses plant cellulose preparation equipment and a process, which are completely operated at normal temperature and normal pressure, have high safety factor, fast feeding and discharging, perform rough processing on semi-finished products while discharging, and have high production efficiency. The black water produced in the process can be automatically classified into pure water and lignin finished products, and can be directly applied to industrial production to achieve the purpose of changing waste into valuable.
Plant cellulose preparation equipment and process are characterized in that: the preparation equipment mainly comprises a replacement bin (1) and separation equipment (5), wherein the replacement bin (1) is connected with the separation equipment (5) through a main water pipe (4-1), the top end of the replacement bin (1) is provided with a raw material inlet (1-1), one side of the replacement bin (1) is provided with a gearbox (2) and a motor (3), the other side of the replacement bin is provided with a black and easy water outlet (1-3), and a cellulose outlet (1-2) is also arranged on the body of the replacement bin (1); a water inlet/access hole (5-1) and a stirring power device (5-2) are arranged at the top end of the separation equipment (5), a lignin outlet (5-3) is arranged at the bottom end of the separation equipment (5), and a heat transfer medium (5-4) is also arranged on the body of the separation equipment (5); the first processor (6-1), the second processor (6-2) and the third processor (6-3) are sequentially connected through a branch water pipe (4-2), one end of the branch water pipe (4-2) is installed at the top end of the separation equipment (5), and the other end of the branch water pipe is installed on the storage tank (7); the top end of the heater (11) is connected with the expansion tank (9), the expansion tank (9) is provided with an oil level device (10), the bottom end of the heater (11) is connected with the heat conduction pump (12), and the heater (11) and the heat conduction pump (12) are respectively connected to the separation equipment (5) body through the heat conduction pipe (13).
Plant cellulose preparation equipment and process are characterized in that: the preparation process comprises the following steps of raw material preparation, softening of raw materials in a horizontal replacement bin, discharging, and normal-pressure separation of black easily heated water;
the method comprises the following steps: raw material preparation
Selecting one of wheat straw, rice straw, bamboo, reed, sandalwood bark, cotton stalk and mulberry stalk as raw materials for later use;
step two: the raw materials enter a horizontal replacement bin for softening
Putting the standby raw material selected in the step one into a replacement bin (1) from a raw material inlet (1-1) of the replacement bin (1), simultaneously adding alkali and water, and performing normal-temperature cooking softening, wherein the alkali addition amount accounts for 5% -10% of the mass of the raw material, the water addition amount accounts for 1-3 times of the mass of the raw material, the cooking temperature is normal temperature 100 ℃, and the cooking time is 1-3 hours;
step three: discharging
Discharging the semi-finished product fiber generated in the step two from a cellulose outlet (1-2), and grinding and drying the discharged semi-finished product fiber to obtain a finished product; the produced black easy water is guided into the separation device (5) along the main water pipe (4-1);
step four: black water heating normal pressure separation
The black and apt water introduced into the separation equipment (5) is separated into pure water and lignin under normal pressure by heating, the lignin is discharged from a lignin outlet (5-3) of the separation equipment (5), and the pure water (8) is collected into a storage tank (7) after being treated by a processor.
Further, the purified water (8) produced in the present invention can be directly applied to industrial use, and the indexes thereof are as follows:
chemical oxygen demand 74mg/L
Ammonia nitrogen 7.43mg/L
Conductivity 332uS/cm
The invention has the beneficial effects that:
the invention is operated completely at normal temperature and normal pressure, has high safety factor, fast feeding and discharging, rough machining of semi-finished products while discharging and high production efficiency. The black water produced in the process can be automatically classified into pure water and lignin finished products, and can be directly applied to industrial production to achieve the purpose of changing waste into valuable.
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
Advantages and features of the present invention are described in detail below.
Drawings
FIG. 1 is a flow chart of the manufacturing equipment and process of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the following description, a detailed construction will be set forth in order to provide a thorough understanding of the present invention. It is apparent that the invention may be practiced without limitation to the specific details known to those skilled in the art. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
The following provides a detailed description of embodiments of the invention.
Referring to fig. 1, the plant cellulose preparation equipment and process are characterized in that: the preparation equipment mainly comprises a replacement bin (1) and separation equipment (5), wherein the replacement bin (1) is connected with the separation equipment (5) through a main water pipe (4-1), the top end of the replacement bin (1) is provided with a raw material inlet (1-1), one side of the replacement bin (1) is provided with a gearbox (2) and a motor (3), the other side of the replacement bin is provided with a black and easy water outlet (1-3), and a cellulose outlet (1-2) is also arranged on the body of the replacement bin (1); a water inlet/access hole (5-1) and a stirring power device (5-2) are arranged at the top end of the separation equipment (5), a lignin outlet (5-3) is arranged at the bottom end of the separation equipment (5), and a heat transfer medium (5-4) is also arranged on the body of the separation equipment (5); the first processor (6-1), the second processor (6-2) and the third processor (6-3) are sequentially connected through a branch water pipe (4-2), one end of the branch water pipe (4-2) is installed at the top end of the separation equipment (5), and the other end of the branch water pipe is installed on the storage tank (7); the top end of the heater (11) is connected with the expansion tank (9), the expansion tank (9) is provided with an oil level device (10), the bottom end of the heater (11) is connected with the heat conduction pump (12), and the heater (11) and the heat conduction pump (12) are respectively connected to the separation equipment (5) body through the heat conduction pipe (13).
Plant cellulose preparation equipment and process are characterized in that: the preparation process comprises the following steps of raw material preparation, softening of raw materials in a horizontal replacement bin, discharging, and normal-pressure separation of black easily heated water;
the method comprises the following steps: raw material preparation
Selecting one of wheat straw, rice straw, bamboo, reed, sandalwood bark, cotton stalk and mulberry stalk as raw materials for later use;
step two: the raw materials enter a horizontal replacement bin for softening
Putting the standby raw material selected in the step one into a replacement bin (1) from a raw material inlet (1-1) of the replacement bin (1), simultaneously adding alkali and water, and performing normal-temperature cooking softening, wherein the alkali addition amount accounts for 5% -10% of the mass of the raw material, the water addition amount accounts for 1-3 times of the mass of the raw material, the cooking temperature is normal temperature 100 ℃, and the cooking time is 1-3 hours;
step three: discharging
Discharging the semi-finished product fiber generated in the step two from a cellulose outlet (1-2), and grinding and drying the discharged semi-finished product fiber to obtain a finished product; the produced black easy water is guided into the separation device (5) along the main water pipe (4-1);
step four: black water heating normal pressure separation
The black and apt water introduced into the separation equipment (5) is separated into pure water and lignin under normal pressure by heating, the lignin is discharged from a lignin outlet (5-3) of the separation equipment (5), and the pure water (8) is collected into a storage tank (7) after being treated by a processor.
Further, the purified water (8) produced in the present invention can be directly applied to industrial use, and the indexes thereof are as follows:
chemical oxygen demand 74mg/L
Ammonia nitrogen 7.43mg/L
Conductivity 332uS/cm
The beneficial effect of this embodiment does:
the embodiment is operated at normal temperature and normal pressure, the safety coefficient is high, the feeding and discharging are fast, the semi-finished product rough machining is carried out while discharging, and the production efficiency is high. The black water produced in the process can be automatically classified into pure water and lignin finished products, and can be directly applied to industrial production to achieve the purpose of changing waste into valuable.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the invention to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. Plant cellulose preparation equipment and process are characterized in that: the preparation equipment mainly comprises a replacement bin (1) and separation equipment (5), wherein the replacement bin (1) is connected with the separation equipment (5) through a main water pipe (4-1), the top end of the replacement bin (1) is provided with a raw material inlet (1-1), one side of the replacement bin (1) is provided with a gearbox (2) and a motor (3), the other side of the replacement bin is provided with a black and easy water outlet (1-3), and a cellulose outlet (1-2) is also arranged on the body of the replacement bin (1); a water inlet/access hole (5-1) and a stirring power device (5-2) are arranged at the top end of the separation equipment (5), a lignin outlet (5-3) is arranged at the bottom end of the separation equipment (5), and a heat transfer medium (5-4) is also arranged on the body of the separation equipment (5); the first processor (6-1), the second processor (6-2) and the third processor (6-3) are sequentially connected through a branch water pipe (4-2), one end of the branch water pipe (4-2) is installed at the top end of the separation equipment (5), and the other end of the branch water pipe is installed on the storage tank (7); the top end of the heater (11) is connected with the expansion tank (9), the expansion tank (9) is provided with an oil level device (10), the bottom end of the heater (11) is connected with the heat conduction pump (12), and the heater (11) and the heat conduction pump (12) are respectively connected to the separation equipment (5) body through the heat conduction pipe (13).
2. Plant cellulose preparation equipment and process according to claim 1, characterized in that: the preparation process comprises the following steps of raw material preparation, softening of raw materials in a horizontal replacement bin, discharging, and normal-pressure separation of black easily heated water;
the method comprises the following steps: raw material preparation
Selecting one of wheat straw, rice straw, bamboo, reed, sandalwood bark, cotton stalk and mulberry stalk as raw materials for later use;
step two: the raw materials enter a horizontal replacement bin for softening
Putting the standby raw material selected in the step one into a replacement bin (1) from a raw material inlet (1-1) of the replacement bin (1), simultaneously adding alkali and water, and performing normal-temperature cooking softening, wherein the alkali addition amount accounts for 5% -10% of the mass of the raw material, the water addition amount accounts for 1-3 times of the mass of the raw material, the cooking temperature is normal temperature 100 ℃, and the cooking time is 1-3 hours;
step three: discharging
Discharging the semi-finished product fiber generated in the step two from a cellulose outlet (1-2), and grinding and drying the discharged semi-finished product fiber to obtain a finished product; the produced black easy water is guided into the separation device (5) along the main water pipe (4-1);
step four: black water heating normal pressure separation
The black and apt water introduced into the separation equipment (5) is separated into pure water and lignin under normal pressure by heating, the lignin is discharged from a lignin outlet (5-3) of the separation equipment (5), and the pure water (8) is collected into a storage tank (7) after being treated by a processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945546.XA CN112064393A (en) | 2020-09-07 | 2020-09-07 | Plant cellulose preparation equipment and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945546.XA CN112064393A (en) | 2020-09-07 | 2020-09-07 | Plant cellulose preparation equipment and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112064393A true CN112064393A (en) | 2020-12-11 |
Family
ID=73663353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010945546.XA Pending CN112064393A (en) | 2020-09-07 | 2020-09-07 | Plant cellulose preparation equipment and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112064393A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2390409A1 (en) * | 2010-05-31 | 2011-11-30 | Chempolis Oy | Lignocellulose process |
| CN102337687A (en) * | 2010-07-15 | 2012-02-01 | 北京英力和泓新材料技术有限公司 | Novel pulping process for obtaining high performance fiber at high yield from plants |
| CN104928965A (en) * | 2015-05-08 | 2015-09-23 | 白博 | Zero discharge process of pulping waste liquid of all-cotton straw pulp |
| CN108316029A (en) * | 2018-02-27 | 2018-07-24 | 徐州工程学院 | A kind of High-efficiency straw utilizes method and system |
| US20190136448A1 (en) * | 2017-11-08 | 2019-05-09 | Earthrecycle Co., Ltd. | Method for Separating Cellulose |
-
2020
- 2020-09-07 CN CN202010945546.XA patent/CN112064393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2390409A1 (en) * | 2010-05-31 | 2011-11-30 | Chempolis Oy | Lignocellulose process |
| CN102337687A (en) * | 2010-07-15 | 2012-02-01 | 北京英力和泓新材料技术有限公司 | Novel pulping process for obtaining high performance fiber at high yield from plants |
| CN104928965A (en) * | 2015-05-08 | 2015-09-23 | 白博 | Zero discharge process of pulping waste liquid of all-cotton straw pulp |
| US20190136448A1 (en) * | 2017-11-08 | 2019-05-09 | Earthrecycle Co., Ltd. | Method for Separating Cellulose |
| CN108316029A (en) * | 2018-02-27 | 2018-07-24 | 徐州工程学院 | A kind of High-efficiency straw utilizes method and system |
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Application publication date: 20201211 |
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