CN113802416A - Method for manufacturing bamboo fiber food packaging paper - Google Patents
Method for manufacturing bamboo fiber food packaging paper Download PDFInfo
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- CN113802416A CN113802416A CN202111035943.4A CN202111035943A CN113802416A CN 113802416 A CN113802416 A CN 113802416A CN 202111035943 A CN202111035943 A CN 202111035943A CN 113802416 A CN113802416 A CN 113802416A
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- Prior art keywords
- bamboo fiber
- manufacturing
- paper
- agent
- treatment
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/342—Mixing apparatus
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a manufacturing method of bamboo fiber food packaging paper, which comprises the following steps of crushing bamboo fibers, then placing the crushed materials into a double-disc pulping machine for preliminary pulping, and then placing the materials into a stirrer for continuous stirring; during the process, a wet strength agent, a dry strength agent, an antibacterial agent and an oil-proof agent are placed into the interior; and then carrying out ultrasonic treatment, continuously stirring during the treatment period, purifying and screening the paper pulp after the ultrasonic treatment, then carrying out online dewatering operation on the paper pulp, and carrying out coating treatment, drying treatment, calendaring, curling and cutting operation. According to the manufacturing method of the bamboo fiber food packaging paper, the oil-proof agent is added in the additive, so that external oil stains can be effectively isolated, the strength reduction and damage of the paper bag caused by leakage of food soup can be avoided, meanwhile, the ultrasonic cleaning machine used in the manufacturing process can effectively clean impurities in the bamboo fiber paper pulp, the overall strength of the paper is further enhanced, and the use is safer and more reliable.
Description
Technical Field
The invention relates to the field of food packaging paper, in particular to a manufacturing method of bamboo fiber food packaging paper.
Background
The food wrapping paper is a packaging product which takes paper pulp and paper board as main raw materials, and the paper for packaging food needs to meet the requirements of no toxicity, oil resistance, water resistance, moisture resistance, sealing and the like and meet the food packaging safety requirement. The food wrapping paper is in direct contact with food, most of the wrapping materials of the food wrapping paper are directly eaten, so the most basic requirement of the food wrapping paper is that the food wrapping paper must meet the requirement of food sanitation, and then the paper wrapping paper must meet the related technical standard according to different use requirements of the food wrapping paper; reed, bagasse, cotton stalk, wheat straw and the like are residues in rural areas. These are all re-culturable, reusable resources. While plastic packaging ultimately consumes petroleum, which is a non-renewable resource. Therefore, compared with other packages such as plastic and the like, the paper packaging product has more advantages in the aspect of resource utilization, and has a very good ecological reputation in the market, the paper packaging product can be recycled, and a plurality of paper packaging products are made of recycled waste paper fibers; the waste paper packaging product can be used for fertilizer production and can be decomposed into water, carbon dioxide and several inorganic substances in the sunlight, moisture and oxygen of the nature within a few months. Therefore, in the world and today with extraordinary global attention on the earth and environment where we rely on to live, paper packaging products are considered to be the most promising and promising "green packaging" material compared with three packages of plastic, metal and glass, and are highly appreciated and favored by the world.
But traditional food package paper intensity is not enough and can not prevent oil, meets the inside hot water of food and reveals, can directly lead to the paper to soften damaged, and the grease is excessive.
Based on the above, the invention designs a manufacturing method of bamboo fiber food packaging paper, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a manufacturing method of bamboo fiber food packaging paper, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the manufacturing method of the bamboo fiber food packaging paper is characterized by comprising the following steps:
the method comprises the following steps: crushing the bamboo fibers;
step two: placing the crushed materials into a double-disc pulping machine for preliminary pulping;
step three: taking out the materials after the pulping operation, placing the materials in a stirrer for continuous stirring;
step four: in the stirring process, putting a wet strength agent, a dry strength agent, an antibacterial agent and an oil-proofing agent into the stirring device in batches;
step five: the stirred paper pulp is connected into an ultrasonic cleaning pool for ultrasonic treatment, continuous stirring is carried out during the treatment period, and the paper pulp after ultrasonic treatment is purified and screened;
step six: carrying out online dewatering operation on the screened paper pulp;
step seven: carrying out coating treatment;
step eight: drying treatment is carried out;
step nine: calendering, curling and slitting operations are carried out.
As a further scheme of the invention, the length of the bamboo fiber subjected to crushing treatment in the step one is controlled to be 1-2mm, and the crushing operation time is set to be 5-15 minutes.
As a further scheme of the invention, the operation time of the double-disc refiner in the step two is set to be 5 minutes, the pulping concentration is set to be 2-3%, the pulping degree is set to be 10-15 DEG SR, and the humidity is set to be 15-20 g.
As a further scheme of the invention, the working time of the stirrer in the step three is set to be 15 minutes.
As a further scheme of the invention, the weight ratio of each component in the fourth step is pulp: wet strength agent: dry strength agent: antibacterial agents: oil-repellent agent 100: (0.8-1.1): (1-1.2): (0.02-0.04): (0.08-0.1)
As a further scheme of the invention, the ultrasonic frequency in the ultrasonic cleaning pool in the fifth step is set to be 20-30KHz, and the cleaning time is set to be 5-15 minutes.
As a further aspect of the present invention, the speed of the coater in the coating operation in the seventh step is set to 110-.
As a further scheme of the invention, the drying operation in the step eight is divided into suspension type oven drying and drying cylinder drying, the internal temperature of the suspension type oven is set to be 120-135 ℃, and the internal temperature of the drying cylinder is set to be 85-105 ℃.
Compared with the prior art, the invention has the beneficial effects that:
(1) the oil-proof agent added in the additive can effectively isolate external oil stains, prevent the strength of the paper bag from being reduced and further damaged due to the leakage of food soup, and meanwhile, the ultrasonic cleaner used in the manufacturing process can effectively clean impurities in the bamboo fiber paper pulp, so that the overall strength of the paper is further enhanced, and the use is safer and more reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a flow structure schematic diagram of a manufacturing method of bamboo fiber food packaging paper according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides a method for manufacturing bamboo fiber food packaging paper, which is characterized by comprising the following steps:
the method comprises the following steps: crushing the bamboo fibers;
step two: placing the crushed materials into a double-disc pulping machine for preliminary pulping;
step three: taking out the materials after the pulping operation, placing the materials in a stirrer for continuous stirring;
step four: in the stirring process, putting a wet strength agent, a dry strength agent, an antibacterial agent and an oil-proofing agent into the stirring device in batches;
step five: the stirred paper pulp is connected into an ultrasonic cleaning pool for ultrasonic treatment, continuous stirring is carried out during the treatment period, and the paper pulp after ultrasonic treatment is purified and screened;
step six: carrying out online dewatering operation on the screened paper pulp;
step seven: carrying out coating treatment;
step eight: drying treatment is carried out;
step nine: calendering, curling and slitting operations are carried out.
Through the scheme of the invention, the length of the bamboo fiber subjected to crushing treatment in the step one is controlled to be 1-2mm, and the crushing operation time is set to be 5-15 minutes.
Through the scheme of the invention, in the second step, the operation time of the double-disc refiner is set to be 5 minutes, the pulping concentration is set to be 2-3%, the pulping degree is set to be 10-15 DEG SR, and the humidity is set to be 15-20 g.
Through the scheme of the invention, the working time of the stirrer in the third step is set to be 15 minutes.
According to the scheme of the invention, the weight ratio of each component in the fourth step is paper pulp: wet strength agent: dry strength agent: antibacterial agents: oil-repellent agent 100: (0.8-1.1): (1-1.2): (0.02-0.04): (0.08-0.1)
Through the scheme of the invention, the ultrasonic frequency in the ultrasonic cleaning pool in the fifth step is set to be 20-30KHz, and the cleaning time is set to be 5-15 minutes.
By the above scheme of the invention, the speed of the coating machine in the coating operation in the seventh step is set to be 110-130m/min, and the coating concentration is set to be 15-25%.
According to the scheme of the invention, the drying operation in the eighth step is divided into drying in a suspension type drying oven and drying in a drying cylinder, the temperature in the suspension type drying oven is set to be 120-135 ℃, and the temperature in the drying cylinder is set to be 85-105 ℃.
In practical application, increase the oil-proofing agent and can effectively completely cut off outside greasy dirt in the additive, avoid food hot water juice to leak and lead to container bag intensity to reduce and then damaged, the ultrasonic cleaner who uses in the manufacturing process simultaneously can effectively wash the inside impurity of bamboo fibre paper pulp, further strengthens the bulk strength of paper, uses safe and reliable more.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The manufacturing method of the bamboo fiber food packaging paper is characterized by comprising the following steps:
the method comprises the following steps: crushing the bamboo fibers;
step two: placing the crushed materials into a double-disc pulping machine for preliminary pulping;
step three: taking out the materials after the pulping operation, placing the materials in a stirrer for continuous stirring;
step four: in the stirring process, putting a wet strength agent, a dry strength agent, an antibacterial agent and an oil-proofing agent into the stirring device in batches;
step five: the stirred paper pulp is connected into an ultrasonic cleaning pool for ultrasonic treatment, continuous stirring is carried out during the treatment period, and the paper pulp after ultrasonic treatment is purified and screened;
step six: carrying out online dewatering operation on the screened paper pulp;
step seven: carrying out coating treatment;
step eight: drying treatment is carried out;
step nine: calendering, curling and slitting operations are carried out.
2. The manufacturing method of bamboo fiber food wrapping paper according to claim 1, wherein the length of the bamboo fiber crushed in the first step is controlled to be 1-2mm, and the crushing time is set to be 5-15 minutes.
3. A method for manufacturing bamboo fiber food wrapping paper according to claim 1, wherein in the second step, the operation time of the double disc refiner is set to 5 minutes, the pulping concentration is set to 2-3%, the pulping degree is set to 10-15 ° SR, and the humidity is set to 15-20 g.
4. A method for manufacturing bamboo fiber food wrapping paper according to claim 1, wherein the operation time of the stirrer in the third step is set to be 15 minutes.
5. The manufacturing method of bamboo fiber food wrapping paper according to claim 1, wherein the weight ratio of the components in the fourth step is pulp: wet strength agent: dry strength agent: antibacterial agents: oil-repellent agent 100: (0.8-1.1): (1-1.2): (0.02-0.04): (0.08-0.1).
6. The manufacturing method of bamboo fiber food wrapping paper according to claim 1, wherein the ultrasonic frequency inside the ultrasonic cleaning tank in the fifth step is set to be 20-30KHz, and the cleaning time is set to be 5-15 minutes.
7. The method as claimed in claim 1, wherein the speed of the coating machine in the coating operation in the seventh step is set to 110-130m/min, and the coating concentration is set to 15-25%.
8. The method as claimed in claim 1, wherein the eight drying operations are divided into suspension oven drying and drying cylinder drying, the temperature inside the suspension oven is set to 120 ℃ and 135 ℃, and the temperature inside the drying cylinder is set to 85 ℃ to 105 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111035943.4A CN113802416A (en) | 2021-09-06 | 2021-09-06 | Method for manufacturing bamboo fiber food packaging paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111035943.4A CN113802416A (en) | 2021-09-06 | 2021-09-06 | Method for manufacturing bamboo fiber food packaging paper |
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| Publication Number | Publication Date |
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| CN113802416A true CN113802416A (en) | 2021-12-17 |
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| CN202111035943.4A Pending CN113802416A (en) | 2021-09-06 | 2021-09-06 | Method for manufacturing bamboo fiber food packaging paper |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130818A (en) * | 2017-12-21 | 2018-06-08 | 浙江恒川新材料有限公司 | A kind of preparation method of double-colored grease proofing antibacterial food wrapping paper |
| CN108130788A (en) * | 2017-12-21 | 2018-06-08 | 浙江恒达新材料股份有限公司 | A kind of preparation method of waterproof and oilproof food wrapper |
| CN110438841A (en) * | 2019-08-13 | 2019-11-12 | 含山县贝亲生物科技有限公司 | A kind of preparation method of oil resistant high intensity food wrapper |
| CN111304967A (en) * | 2020-02-27 | 2020-06-19 | 沈阳思特雷斯纸业有限责任公司 | Low-quantitative food packaging paper added with nano-cellulose and manufacturing method thereof |
| CN112111984A (en) * | 2020-09-08 | 2020-12-22 | 界首市鑫华装璜彩印有限公司 | Processing method for recycling waste packaging paper |
| CN112359647A (en) * | 2020-09-10 | 2021-02-12 | 浙江采美新材料股份有限公司 | Preparation method of high-strength anti-tearing paper food packaging bag |
-
2021
- 2021-09-06 CN CN202111035943.4A patent/CN113802416A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130818A (en) * | 2017-12-21 | 2018-06-08 | 浙江恒川新材料有限公司 | A kind of preparation method of double-colored grease proofing antibacterial food wrapping paper |
| CN108130788A (en) * | 2017-12-21 | 2018-06-08 | 浙江恒达新材料股份有限公司 | A kind of preparation method of waterproof and oilproof food wrapper |
| CN110438841A (en) * | 2019-08-13 | 2019-11-12 | 含山县贝亲生物科技有限公司 | A kind of preparation method of oil resistant high intensity food wrapper |
| CN111304967A (en) * | 2020-02-27 | 2020-06-19 | 沈阳思特雷斯纸业有限责任公司 | Low-quantitative food packaging paper added with nano-cellulose and manufacturing method thereof |
| CN112111984A (en) * | 2020-09-08 | 2020-12-22 | 界首市鑫华装璜彩印有限公司 | Processing method for recycling waste packaging paper |
| CN112359647A (en) * | 2020-09-10 | 2021-02-12 | 浙江采美新材料股份有限公司 | Preparation method of high-strength anti-tearing paper food packaging bag |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211217 |
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