CN111749038A - Processing technology of waste paper recycling and regenerating paperboard - Google Patents
Processing technology of waste paper recycling and regenerating paperboard Download PDFInfo
- Publication number
- CN111749038A CN111749038A CN202010577976.0A CN202010577976A CN111749038A CN 111749038 A CN111749038 A CN 111749038A CN 202010577976 A CN202010577976 A CN 202010577976A CN 111749038 A CN111749038 A CN 111749038A
- Authority
- CN
- China
- Prior art keywords
- paper
- waste paper
- scraps
- paperboard
- crushed
- 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
- 239000010893 paper waste Substances 0.000 title claims abstract description 45
- 239000011087 paperboard Substances 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 8
- 238000005516 engineering process Methods 0.000 title claims abstract description 7
- 239000000123 paper Substances 0.000 claims abstract description 63
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002761 deinking Substances 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 238000012216 screening Methods 0.000 claims abstract description 7
- 238000004537 pulping Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000010009 beating Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 3
- -1 oleic acid fatty acid sodium salt Chemical class 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000011111 cardboard Substances 0.000 claims 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- 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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/08—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags
-
- 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
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
-
- 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
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a processing technology of waste paper recycling and regenerating paperboard, which comprises the following steps: the invention relates to waste paper crushing, screening, deinking, pulping and papermaking, when the invention recovers waste paper, the waste paper is firstly crushed, then crushed paper scraps are filtered, impurities in the paper scraps are firstly filtered and removed, and then sand grains and iron nails in the paper scraps are removed, so that the sand grains and the iron nails can be avoided in paper pulp when the paper scraps are pulped, meanwhile, ink in the paper pulp can be removed, the quality of the paper pulp is ensured, the quality of a paper board manufactured by a paper machine is further ensured, the waste paper can be recovered and regenerated, and the invention is very environment-friendly.
Description
Technical Field
The invention relates to the field of waste paper recycling, in particular to a processing technology of a waste paper recycling paperboard.
Background
Waste paper refers to recyclable and renewable resources which are discarded after being used in production and life, and comprises various high-grade paper, yellow board paper, waste paper boxes, edge cutting paper, packing paper, paper for enterprises and units, paper for engineering, books and periodicals, and the like. Internationally, waste paper is generally classified into European waste, American waste and daily waste. In China, the recycling degree of the waste paper is lower compared with that of the developed countries in the west.
When the waste paper recycling and regenerating paperboard is processed at present, impurities in the paperboard are not well removed, and ink in the waste paper is poor in removing effect and is not beneficial to use.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a processing technology of a waste paper recycling and regenerating paperboard, which effectively solves the problems that impurities in the paperboard are not well removed, the removal effect of ink in waste paper is poor and the use is not facilitated when the waste paper recycling and regenerating paperboard is processed at present.
In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises the following steps: 1) waste paper crushing: putting the waste paper into a crusher, and crushing the waste paper into paper scraps through the crusher;
2) screening: screening and removing large impurities in the paper scraps through a sieve plate after the crushed paper scraps pass through the sieve plate, sending the screened paper scraps into a phosphorus remover, removing heavy sand grains and iron nails in the paper scraps through the phosphorus remover, and keeping the paper scraps after the sand grains and the iron nails are removed for later use;
3) deinking: putting the paper scraps obtained in the step 2) into a water tank, adding a deinking agent into the water tank, removing ink in the paper scraps through the deinking agent, enabling the removed ink to float on the water surface, removing the ink on the water surface, and discharging water in the water tank through a filter screen to obtain deinked paper scraps;
4) pulping: putting the paper scraps obtained in the step 3) into a beating pool for stirring until the paper is converted into a pulp;
5) papermaking: inputting the slurry mixture in the beating tank to a paper machine for processing and filtering, and processing a semi-finished product of the paperboard containing moisture by the paperboard machine; and (5) baking the semi-finished paperboard product with moisture in a heating furnace, and drying to obtain a finished paperboard product.
According to the technical scheme: the using method of the pulverizer comprises the following steps: (1) before starting up, whether connecting bolts of all parts of the unit are fastened or not, whether the tightness of a transmission belt is proper or not, whether a power line is good or not and whether a motor shaft and a crusher shaft are parallel or not must be checked;
(2) checking whether the hammer sheet is good, whether the aperture of the sieve sheet is proper or not and whether the sieve sheet is damaged or not, dragging the belt by hand, and checking whether the main shaft rotates flexibly and whether the phenomena of clamping, collision and friction exist or not;
(3) after starting up, idling the equipment for 2-3 minutes, checking whether the rotor steering is correct and whether the sound is normal, and only working after rotating stably at the rated rotating speed;
(4) during the work, the running condition of the pulverizer needs to be noticed at any time, the feeding is uniform, the blockage of the vehicle is prevented, and the long-time overload work is avoided. If phenomena such as vibration, noise, overhigh temperature of a bearing and a machine body, outward spraying and the like are found, the machine should be immediately stopped for inspection, and the machine can continue to work after faults are eliminated;
(5) the crushed material should be carefully inspected and not mixed with foreign materials such as stones and metals so as not to damage the machine
(6) The paper scraps needing to be crushed are added from the feed inlet of the crusher, and the waste paper can be crushed by the crusher.
According to the technical scheme: the deinking agent comprises the following components in percentage by weight: 15-20% of sodium dodecyl benzene sulfonate; 16-22% of a mixture of nonylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether in a ratio of 1: 1; 10-15% of a mixture of a penetrant S-9 and a penetrant 0EP-70 according to a ratio of 1: 1; 20-30% of oleic acid fatty acid sodium salt; 1-4% of caustic soda; 1-3% of sodium silicate; the remainder being water.
According to the technical scheme: and 4) injecting high-temperature steam into the beating tank when beating is carried out in the beating tank.
According to the technical scheme: and 2) the diameter of the sieve plate is larger than that of the crushed paper scraps and smaller than that of the impurities.
According to the technical scheme: the waste paper needs to be unpacked before being crushed.
Has the advantages that: when the waste paper is recycled, the waste paper is firstly crushed, then the crushed paper scraps are filtered, impurities in the paper scraps are firstly filtered and removed, sand grains and iron nails in the paper scraps are then removed, the paper scraps are guaranteed not to have sand grains and iron nails when being beaten, ink in the paper pulp can be removed, the quality of the paper pulp is guaranteed, the quality of a paper board manufactured by a paper machine is further guaranteed, the waste paper can be recycled, and the method is very environment-friendly.
Detailed Description
The following provides a more detailed description of the embodiments of the present invention.
The embodiment of the invention provides a processing technology of a waste paper recycling and regenerating paperboard, which comprises the following processing steps: 1) waste paper crushing: putting the waste paper into a crusher, and crushing the waste paper into paper scraps through the crusher;
2) screening: screening and removing large impurities in the paper scraps through a sieve plate after the crushed paper scraps pass through the sieve plate, sending the screened paper scraps into a phosphorus remover, removing heavy sand grains and iron nails in the paper scraps through the phosphorus remover, and keeping the paper scraps after the sand grains and the iron nails are removed for later use;
3) deinking: putting the paper scraps obtained in the step 2) into a water tank, adding a deinking agent into the water tank, removing ink in the paper scraps through the deinking agent, enabling the removed ink to float on the water surface, removing the ink on the water surface, and discharging water in the water tank through a filter screen to obtain deinked paper scraps;
4) pulping: putting the paper scraps obtained in the step 3) into a beating pool for stirring until the paper is converted into a pulp;
5) papermaking: inputting the slurry mixture in the beating tank to a paper machine for processing and filtering, and processing a semi-finished product of the paperboard containing moisture by the paperboard machine; and (5) baking the semi-finished paperboard product with moisture in a heating furnace, and drying to obtain a finished paperboard product.
According to the technical scheme: the using method of the pulverizer comprises the following steps: (1) before starting up, whether connecting bolts of all parts of the unit are fastened or not, whether the tightness of a transmission belt is proper or not, whether a power line is good or not and whether a motor shaft and a crusher shaft are parallel or not must be checked;
(2) checking whether the hammer sheet is good, whether the aperture of the sieve sheet is proper or not and whether the sieve sheet is damaged or not, dragging the belt by hand, and checking whether the main shaft rotates flexibly and whether the phenomena of clamping, collision and friction exist or not;
(3) after starting up, idling the equipment for 2-3 minutes, checking whether the rotor steering is correct and whether the sound is normal, and only working after rotating stably at the rated rotating speed;
(4) during the work, the running condition of the pulverizer needs to be noticed at any time, the feeding is uniform, the blockage of the vehicle is prevented, and the long-time overload work is avoided. If phenomena such as vibration, noise, overhigh temperature of a bearing and a machine body, outward spraying and the like are found, the machine should be immediately stopped for inspection, and the machine can continue to work after faults are eliminated;
(5) the crushed material should be carefully inspected and not mixed with foreign materials such as stones and metals so as not to damage the machine
(6) The paper scraps needing to be crushed are added from the feed inlet of the crusher, and the waste paper can be crushed by the crusher.
According to the technical scheme: the deinking agent comprises the following components in percentage by weight: 15-20% of sodium dodecyl benzene sulfonate; 16-22% of a mixture of nonylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether in a ratio of 1: 1; 10-15% of a mixture of the penetrant S-9 and the penetrant OEP-70 according to a ratio of 1: 1; 20-30% of oleic acid fatty acid sodium salt; 1-4% of caustic soda; 1-3% of sodium silicate; the remainder being water.
According to the technical scheme: and 4) injecting high-temperature steam into the beating tank when beating is carried out in the beating tank.
According to the technical scheme: and 2) the diameter of the sieve plate is larger than that of the crushed paper scraps and smaller than that of the impurities.
According to the technical scheme: the waste paper needs to be unpacked before being crushed.
Has the advantages that: when the waste paper is recycled, the waste paper is firstly crushed, then the crushed paper scraps are filtered, impurities in the paper scraps are firstly filtered and removed, sand grains and iron nails in the paper scraps are then removed, the paper scraps are guaranteed not to have sand grains and iron nails when being beaten, ink in the paper pulp can be removed, the quality of the paper pulp is guaranteed, the quality of a paper board manufactured by a paper machine is further guaranteed, the waste paper can be recycled, and the method is very environment-friendly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A processing technology of waste paper recycling and regenerating paperboard is characterized in that: the process comprises the following steps: 1) waste paper crushing: putting the waste paper into a crusher, and crushing the waste paper into paper scraps through the crusher;
2) screening: screening and removing large impurities in the paper scraps through a sieve plate after the crushed paper scraps pass through the sieve plate, sending the screened paper scraps into a phosphorus remover, removing heavy sand grains and iron nails in the paper scraps through the phosphorus remover, and keeping the paper scraps after the sand grains and the iron nails are removed for later use;
3) deinking: putting the paper scraps obtained in the step 2) into a water tank, adding a deinking agent into the water tank, removing ink in the paper scraps through the deinking agent, enabling the removed ink to float on the water surface, removing the ink on the water surface, and discharging water in the water tank through a filter screen to obtain deinked paper scraps;
4) pulping: putting the paper scraps obtained in the step 3) into a beating pool for stirring until the paper is converted into a pulp;
5) papermaking: inputting the slurry mixture in the beating tank to a paper machine for processing and filtering, and processing a semi-finished product of the paperboard containing moisture by the paperboard machine; and (5) baking the semi-finished paperboard product with moisture in a heating furnace, and drying to obtain a finished paperboard product.
2. The process for processing the waste paper recycling and recycling paperboard as claimed in claim 1, wherein the usage method of the crusher is as follows: (1) before starting up, whether connecting bolts of all parts of the unit are fastened or not, whether the tightness of a transmission belt is proper or not, whether a power line is good or not and whether a motor shaft and a crusher shaft are parallel or not must be checked;
(2) checking whether the hammer sheet is good, whether the aperture of the sieve sheet is proper or not and whether the sieve sheet is damaged or not, dragging the belt by hand, and checking whether the main shaft rotates flexibly and whether the phenomena of clamping, collision and friction exist or not;
(3) after starting up, idling the equipment for 2-3 minutes, checking whether the rotor steering is correct and whether the sound is normal, and only working after rotating stably at the rated rotating speed;
(4) during the work, the running condition of the pulverizer needs to be noticed at any time, the feeding is uniform, the blockage of the vehicle is prevented, and the long-time overload work is avoided. If phenomena such as vibration, noise, overhigh temperature of a bearing and a machine body, outward spraying and the like are found, the machine should be immediately stopped for inspection, and the machine can continue to work after faults are eliminated;
(5) the crushed material should be carefully inspected and not mixed with foreign materials such as stones and metals so as not to damage the machine
(6) The paper scraps needing to be crushed are added from the feed inlet of the crusher, and the waste paper can be crushed by the crusher.
3. The process for processing the waste paper recycled paper board as claimed in claim 1, wherein the deinking agent comprises the following components in percentage by weight: 15-20% of sodium dodecyl benzene sulfonate; 16-22% of a mixture of nonylphenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether in a ratio of 1: 1; 10-15% of a mixture of the penetrant S-9 and the penetrant OEP-70 according to a ratio of 1: 1; 20-30% of oleic acid fatty acid sodium salt; 1-4% of caustic soda; 1-3% of sodium silicate; the remainder being water.
4. The process for producing recycled cardboard from recycled waste paper as claimed in claim 1, wherein the beating tank of 4) injects high temperature steam into the beating tank during beating.
5. The process for producing recycled cardboard for waste paper recycling as claimed in claim 1, wherein the diameter of 2) the sieve plate is larger than the diameter of the crushed paper scraps and smaller than the diameter of the impurities.
6. The process of claim 1, wherein the waste paper is subjected to unpacking before being crushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577976.0A CN111749038A (en) | 2020-06-22 | 2020-06-22 | Processing technology of waste paper recycling and regenerating paperboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577976.0A CN111749038A (en) | 2020-06-22 | 2020-06-22 | Processing technology of waste paper recycling and regenerating paperboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111749038A true CN111749038A (en) | 2020-10-09 |
Family
ID=72675669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010577976.0A Pending CN111749038A (en) | 2020-06-22 | 2020-06-22 | Processing technology of waste paper recycling and regenerating paperboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111749038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298847A (en) * | 2020-10-27 | 2021-02-02 | 广东天元实业集团股份有限公司 | Express package recycling method |
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| DE2346120A1 (en) * | 1973-08-30 | 1975-03-20 | Escher Wyss Gmbh | Disintegrator / classifier - for recovery of usable pulp from waste paper |
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| CN105951503A (en) * | 2016-06-13 | 2016-09-21 | 浙江华川实业集团有限公司 | Production process of producing bobbin paper from waste materials |
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-
2020
- 2020-06-22 CN CN202010577976.0A patent/CN111749038A/en active Pending
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|---|---|---|---|---|
| DE2346120A1 (en) * | 1973-08-30 | 1975-03-20 | Escher Wyss Gmbh | Disintegrator / classifier - for recovery of usable pulp from waste paper |
| CN101067289A (en) * | 2007-06-27 | 2007-11-07 | 张书荣 | Method for papermaking utilizing waste paper containing wax |
| CN101928485A (en) * | 2009-06-24 | 2010-12-29 | 中国制浆造纸研究院 | Waste paper deinking agent |
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| CN105951503A (en) * | 2016-06-13 | 2016-09-21 | 浙江华川实业集团有限公司 | Production process of producing bobbin paper from waste materials |
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| 周良墉: "怎样用好锤片式饲料粉碎机", 《农村百事通》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298847A (en) * | 2020-10-27 | 2021-02-02 | 广东天元实业集团股份有限公司 | Express package recycling method |
| CN112298847B (en) * | 2020-10-27 | 2022-04-08 | 广东天元实业集团股份有限公司 | Express package recycling method |
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Application publication date: 20201009 |