CN107268315B - It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material - Google Patents
It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material Download PDFInfo
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- CN107268315B CN107268315B CN201710670550.8A CN201710670550A CN107268315B CN 107268315 B CN107268315 B CN 107268315B CN 201710670550 A CN201710670550 A CN 201710670550A CN 107268315 B CN107268315 B CN 107268315B
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- pulp
- alpine rush
- chinese alpine
- paper
- raw material
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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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of using Chinese alpine rush as the pulping and paper-making new method of raw material, including cooking section, black liquid extraction workshop section, washing and sieving workshop section, bleachery and papermaking workshop section, the present invention eliminates traditional material papering section due to using Chinese alpine rush for raw material, and there is no the dusts and flying chip etc. in melting process, and Chinese alpine rush silicon content is low, the only half of wheat straw, Dracaena grass fiber is long and thin, and slurry yield is up to 50%, higher than 40% or so of wheat straw, high-grade, high added value extraordinary cultural paper can be produced；Paper pulp drainability prepared by the present invention is good, and after the series connection of twice Double screw pulp extruder is extracted, extraction rate of black liquor is up to 85% or more, much higher than the 75~80% of Straw Pulp；Chemicals usage of the invention is few, and alkali charge is significantly lower than the alkali number forever of Straw Pulp, and pollutant yield also lower than wheat straw 30~40% can be substantially reduced production cost and treatment of wastes produced cost, enhance the competitiveness of enterprise.
Description
Technical field:
The present invention relates to a kind of pulp and paper making methods, more particularly to a kind of using Chinese alpine rush as the pulping and paper-making side of raw material
Method belongs to paper industry technical field.
Background technique:
Due to corporate strategy development need and changes in market demand, local resources are made full use of, improve product specification and enterprise
Industry competitiveness is the developing direction of each enterprise.Raw material employed in traditional paper technology is wheat straw, and ryegrass pulping is deposited
Low in yield, melting process generates a large amount of dusts, flying chip and wheat bran, and pollutant yield is big, and black liquor silicon content is high, heteroproteose cell
More, not easy to handle, the cultural paper of production is not easy to reach higher gears time, and added value of product is lower.
Summary of the invention:
The technical problems to be solved by the present invention are: overcoming the deficiencies of the prior art and provide one kind using Chinese alpine rush as raw material
Pulp and paper making method, the cultural paper of production can reach higher gears time, and added value of product is higher.
The present invention is adopted the technical scheme that in order to solve the technical problem:
It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material, specific steps are as follows:
(1) cooking section:
1. cooking liquor is prepared: industrial solid caustic soda is taken, is calculated with weight ratio, caustic soda: industrial water=(4~5): (75~
85) cooking liquor A, is obtained after mixing evenly, it is spare；
2. Chinese alpine rush is transported to boil house with careless vehicle is grabbed, Chinese alpine rush is hung to steaming by loop wheel machine after the removal of impurities of raw material Chinese alpine rush
Steam ports is packed into rotary spherical digester together with the cooking liquor A prepared and carries out boiling, and the weight ratio of Chinese alpine rush and cooking liquor A are (2~3): (7
~9), temperature is between 130~150 DEG C in rotary spherical digester, and pressure is between 0.5~0.6Mpa, and digestion time 2.5~3.5 hours；
(2) black liquid extraction workshop section:
Thick slurry after boiling sprays into jetting storehouse, You Liangtai Double screw pulp extruder and a horizontal belt vacuum pulp washing machine series connection
The extract equipment of composition carries out countercurrent washing, and the thin phenol water of extraction all after black liquor filter filters, is transported to black liquor resource
Change and utilize Workshop Production lignin product, the coarse slurry pump after extraction is sent to washing and sieving workshop section；
(3) washing and sieving workshop section:
Thick slurry after black liquid extraction successively after vanning and CX screen centrifuge screen out thick slag and impurity, then is passed through in this workshop section
Concentrate B is obtained after decker concentration；
(4) bleachery:
1. the preparation of calcium hypochlorite bleaching liquid: being reacted using liquid chlorine and lime and generate the principle of calcium hypochlorite to make time
Calcium chlorate bleaching liquid C；
2. bleaching stage: by concentrate B and calcium hypochlorite bleaching liquid C in 1:1 ratio after mixing, obtain bleached pulp E,
The bleached pulp E obtains paper pulp F after the washing of horizontal belt vacuum pulp washing machine, and paper pulp F is put into spare in reserve pit；
(5) papermaking workshop section:
Paper pulp F sized mixing, cleaned, copy paper, after drying, is sent into paper cutter to be cut into and is needed specification, is packed in storage.
The preparation process of the calcium hypochlorite bleaching liquid the following steps are included:
(1) lime stone and anthracite are added in limekiln by the weight proportion of 1:0.12 and are calcined, temperature control exists
800~1200 DEG C, the lime of generation is interrupted from kiln bottom to be discharged, and by itself plus water digestion, obtains the calcium hydroxide containing a small amount of free water；
(2), by the particulate calcium hydroxide containing 3~6% free moistures, add through the auger under niter ash cellar from the top layer of chlorination tower
Enter, liquid chlorine enters from chlorination tower bottom, and calcium hypochlorite bleaching liquid finished product is discharged by chlorination tower bottom, chemical equation are as follows: 2Ca
(OH)2+2Cl2→Ca(ClO)2+CaCl2+2H2O 。
Positive beneficial effect of the invention is as follows:
1, the present invention eliminates traditional material papering section, there is no in melting process due to using Chinese alpine rush for raw material
Dust and flying chip etc., and Chinese alpine rush silicon content is low, the only half of wheat straw, Dracaena grass fiber is long and thin, slurry yield up to 50%,
Higher than 40% or so of wheat straw, these are the necessary conditions of premise for preparing high-grade paper.
2, the paper pulp drainability prepared by the present invention is good, after the series connection of twice Double screw pulp extruder is extracted, extraction rate of black liquor
Up to 85% or more, much higher than the 75~80% of Straw Pulp, black liquor solid content is 8~10%, and black liquid wave hairdressing is 6Be0 left
It is right.
3, chemicals usage of the invention is few, and alkali charge is the alkali number forever significantly lower than Straw Pulp, pollutant yield
Lower than wheat straw 30~40%, production cost and treatment of wastes produced cost can be substantially reduced.
4, the present invention can produce high-grade, high added value extraordinary cultural paper, hence it is evident that enhancing enterprise competitiveness.
Specific embodiment:
The present invention will be further explained combined with specific embodiments below and explanation:
It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material, specific steps are as follows:
(1) cooking section:
1. cooking liquor is prepared: industrial solid caustic soda is taken, is calculated with weight ratio, caustic soda: industrial water=(4~5): (75~
85) cooking liquor A, is obtained after mixing evenly, it is spare；
2. Chinese alpine rush is transported to boil house with careless vehicle is grabbed, Chinese alpine rush is hung to steaming by loop wheel machine after the removal of impurities of raw material Chinese alpine rush
Steam ports is packed into rotary spherical digester together with the cooking liquor A prepared and carries out boiling, and the weight ratio of Chinese alpine rush and cooking liquor A are (2~3): (7
~9), temperature is between 130~150 DEG C in rotary spherical digester, and pressure is between 0.5~0.6Mpa, digestion time 2.5~3.5 hours；
(2) black liquid extraction workshop section:
Thick slurry after boiling sprays into jetting storehouse, You Liangtai Double screw pulp extruder and a horizontal belt vacuum pulp washing machine series connection
The extract equipment of composition carries out countercurrent washing, and the thin phenol water of extraction all after black liquor filter filters, is transported to black liquor resource
Change and utilize Workshop Production lignin product, the coarse slurry pump after extraction is sent to washing and sieving workshop section；
(3) washing and sieving workshop section:
Thick slurry after black liquid extraction successively after vanning and CX screen centrifuge screen out thick slag and impurity, then is passed through in this workshop section
Concentrate B is obtained after decker concentration；
(4) bleachery:
1. the preparation of calcium hypochlorite bleaching liquid: being reacted using liquid chlorine with lime and generate the principle of calcium hypochlorite to make by oneself
Calcium hypochlorite bleaching liquid C；
2. bleaching stage: by concentrate B and calcium hypochlorite bleaching liquid C in 1:1 ratio after mixing, obtain bleached pulp E,
The bleached pulp E obtains paper pulp F after the washing of horizontal belt vacuum pulp washing machine, and paper pulp F is put into spare in reserve pit；
(5) papermaking workshop section:
Paper pulp F sized mixing, cleaned, copy paper, after drying, is sent into paper cutter to be cut into and is needed specification, is packed in storage.
The preparation process of the calcium hypochlorite bleaching liquid the following steps are included:
(1) lime stone and anthracite are added in limekiln by the weight proportion of 1:0.12 and are calcined, temperature control exists
800~1200 DEG C, the lime of generation is interrupted from kiln bottom to be discharged, and by itself plus water digestion, obtains the calcium hydroxide containing a small amount of free water；
(2), by the particulate calcium hydroxide containing 3~6% free moistures, add through the auger under niter ash cellar from the top layer of chlorination tower
Enter, liquid chlorine enters from chlorination tower bottom, and calcium hypochlorite bleaching liquid finished product is discharged by chlorination tower bottom, chemical equation are as follows: 2Ca
(OH)2+2Cl2→Ca(ClO)2+CaCl2+2H2O 。
The present invention eliminates traditional material papering section, there is no the ashes in melting process due to using Chinese alpine rush for raw material
Dirt and flying chip etc., and Chinese alpine rush silicon content is low, the only half of wheat straw, Dracaena grass fiber is long and thin, and slurry yield is high up to 50%
In 40% or so of wheat straw, high-grade, high added value extraordinary cultural paper can be produced, hence it is evident that enhancing enterprise competitiveness.
Claims (2)
1. it is a kind of using Chinese alpine rush as the pulp and paper making method of raw material, specific steps are as follows:
(1) cooking section:
1. cooking liquor is prepared: taking industrial solid caustic soda, calculated with weight ratio, caustic soda: industrial water=(4~5): (75~85) are stirred
Cooking liquor A is obtained after mixing uniformly, it is spare；
2. Chinese alpine rush is transported to boil house with careless vehicle is grabbed, Chinese alpine rush is hung to steam port by loop wheel machine after the removal of impurities of raw material Chinese alpine rush,
It being packed into together with the cooking liquor A prepared in rotary spherical digester and carries out boiling, the weight ratio of Chinese alpine rush and cooking liquor A are (2~3): (7~9),
Temperature is between 130~150 DEG C in rotary spherical digester, and pressure is between 0.5~0.6Mpa, and digestion time 2.5~3.5 hours；
(2) black liquid extraction workshop section:
Thick slurry after boiling sprays into jetting storehouse, and You Liangtai Double screw pulp extruder and a horizontal belt vacuum pulp washing machine are composed in series
Extract equipment carry out countercurrent washing, it is sharp to be transported to black liquor and development as resource all after black liquor filter filters for the thin phenol water of extraction
With Workshop Production lignin product, the coarse slurry pump after extraction is sent to washing and sieving workshop section；
(3) washing and sieving workshop section:
Thick slurry after black liquid extraction in this workshop section successively after vanning and CX screen centrifuge screen out thick slag and impurity, then through cylinder
Concentrate B is obtained after thickener concentration；
(4) bleachery:
1. the preparation of calcium hypochlorite bleaching liquid: reacting the principle for generating calcium hypochlorite using liquid chlorine and lime come hypochlorous acid processed
Calcium bleaching liquid C；
2. bleaching stage: by concentrate B and calcium hypochlorite bleaching liquid C in 1:1 ratio after mixing, obtain bleached pulp E, it is described
Bleached pulp E through horizontal belt vacuum pulp washing machine washing after paper pulp F, paper pulp F is put into spare in reserve pit；
(5) papermaking workshop section:
Paper pulp F sized mixing, cleaned, copy paper, after drying, is sent into paper cutter to be cut into and is needed specification, is packed in storage.
2. according to claim 1 a kind of using Chinese alpine rush as the pulp and paper making method of raw material, it is characterised in that: time
The preparation process of calcium chlorate bleaching liquid the following steps are included:
(1) lime stone and anthracite are added in limekiln by the weight proportion of 1:0.12 and are calcined, temperature control 800~
1200 DEG C, the lime of generation is interrupted from kiln bottom to be discharged, and by itself plus water digestion, obtains the calcium hydroxide containing a small amount of free water；
(2), by the particulate calcium hydroxide containing 3~6% free moistures, it is added through the auger under niter ash cellar from the top layer of chlorination tower, liquid
Chlorine enters from chlorination tower bottom, and calcium hypochlorite bleaching liquid finished product is discharged by chlorination tower bottom, chemical equation are as follows: 2Ca (OH)2+
2Cl2→Ca(ClO)2+CaCl2+2H2O 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670550.8A CN107268315B (en) | 2017-08-08 | 2017-08-08 | It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710670550.8A CN107268315B (en) | 2017-08-08 | 2017-08-08 | It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107268315A CN107268315A (en) | 2017-10-20 |
| CN107268315B true CN107268315B (en) | 2019-10-25 |
Family
ID=60077081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710670550.8A Expired - Fee Related CN107268315B (en) | 2017-08-08 | 2017-08-08 | It is a kind of using Chinese alpine rush as the pulp and paper making method of raw material |
Country Status (1)
| Country | Link |
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| CN (1) | CN107268315B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0336842A1 (en) * | 1988-04-06 | 1989-10-11 | Clextral | Process for producing a paper pulp for fiduciary use |
| CN1648335A (en) * | 2005-03-04 | 2005-08-03 | 蒋浩 | Method for treating and reusing pulp bleaching waste water in size washing |
| CN101748631A (en) * | 2009-12-18 | 2010-06-23 | 华南理工大学 | Efficient and clean puling and bleaching method dissolving alpha-pulp by Chinese alpine rush |
| CN102400404A (en) * | 2011-12-09 | 2012-04-04 | 昆明理工大学 | Method for preparing straw pulp by boiling cut-free grass by using spherical digester alkaline method |
| CN104611966A (en) * | 2014-12-04 | 2015-05-13 | 山东源根石油化工有限公司 | Novel pulping process with Chinese alpine rush as raw material |
| CN105178083A (en) * | 2014-06-08 | 2015-12-23 | 蒋寿悟 | Pulping method with zero discharge of sewage |
-
2017
- 2017-08-08 CN CN201710670550.8A patent/CN107268315B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0336842A1 (en) * | 1988-04-06 | 1989-10-11 | Clextral | Process for producing a paper pulp for fiduciary use |
| CN1648335A (en) * | 2005-03-04 | 2005-08-03 | 蒋浩 | Method for treating and reusing pulp bleaching waste water in size washing |
| CN101748631A (en) * | 2009-12-18 | 2010-06-23 | 华南理工大学 | Efficient and clean puling and bleaching method dissolving alpha-pulp by Chinese alpine rush |
| CN102400404A (en) * | 2011-12-09 | 2012-04-04 | 昆明理工大学 | Method for preparing straw pulp by boiling cut-free grass by using spherical digester alkaline method |
| CN105178083A (en) * | 2014-06-08 | 2015-12-23 | 蒋寿悟 | Pulping method with zero discharge of sewage |
| CN104611966A (en) * | 2014-12-04 | 2015-05-13 | 山东源根石油化工有限公司 | Novel pulping process with Chinese alpine rush as raw material |
Non-Patent Citations (1)
| Title |
|---|
| 亚铵法龙须草制82度以上漂白浆的研究;四川省青城造纸厂;《四川造纸》;19770430(第1期);第7-17页 * |
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| Publication number | Publication date |
|---|---|
| CN107268315A (en) | 2017-10-20 |
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Granted publication date: 20191025 Termination date: 20200808 |
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