CN111778750A - Flotation deinking equipment for waste paper board - Google Patents
Flotation deinking equipment for waste paper board Download PDFInfo
- Publication number
- CN111778750A CN111778750A CN201910273418.2A CN201910273418A CN111778750A CN 111778750 A CN111778750 A CN 111778750A CN 201910273418 A CN201910273418 A CN 201910273418A CN 111778750 A CN111778750 A CN 111778750A
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- China
- Prior art keywords
- deinking
- switch
- pipe
- machine shell
- pulp
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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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Classifications
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- 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
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
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- 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
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- 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
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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 waste paper board flotation deinking device, which comprises a support frame, wherein the top of the support frame is fixedly provided with a deinking machine shell, the interior of the deinking machine shell is fixedly provided with an inner container, the interior of the inner container is provided with a stirring roller, the two sides of the stirring roller are fixedly provided with stirring blades, the bottom of the deinking machine shell is fixedly provided with a discharge cylinder, and an opening at the bottom of the discharge cylinder is connected with a pulp conveying pipe in an inserting manner. Avoiding influencing the quality of ink recovery.
Description
Technical Field
The invention relates to deinking equipment, in particular to flotation deinking equipment for waste paperboards.
Background
Deinking of waste paper is one of the effective measures for realizing sustainable development of the paper industry. Deinked pulp is the fastest growing feedstock in the market. Surfactant deinking is a waste paper deinking method which is widely used all over the world, and the deinking method is characterized in that a deinking agent is added into a hydrapulper, printing ink is separated from the surface of fibers under the combined action of a physical method and a chemical method, and different post-treatment methods are selected according to the size and the state of ink particles to remove the printing ink from pulp. The deinking is mainly classified into alkaline deinking and neutral deinking according to the process conditions, and also classified into washing deinking and flotation deinking according to the process. The existing waste paper flotation deinking equipment has single function, so the following problems exist in the using process:
1) the standing reaction rate is low, and the deinking efficiency is low; 2) the floating speed of the printing ink is low; 3) when the ink is recycled, the foam on the surface of the ink cannot be quickly removed, and the quality of the recycled ink is influenced.
Disclosure of Invention
The invention aims to provide a waste paper board flotation deinking device to solve the problems of low deinking efficiency, low floating speed of ink and incapability of quickly removing foam on the surface of the ink of the existing waste paper flotation deinking device in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a waste paperboard flotation deinking device comprises a support frame, wherein a deinking machine shell is fixedly arranged at the top of the support frame, an inner container is fixedly arranged in the deinking machine shell, a stirring roller is arranged in the inner container, stirring blades are fixedly arranged on two sides of the stirring roller, one end of the stirring roller penetrates through a bearing embedded in the inner wall of the top of the deinking machine shell and is in transmission connection with an output shaft of a speed reduction motor, the speed reduction motor is fixedly arranged at the top of the deinking machine shell, a discharge barrel is fixedly arranged at the bottom of the deinking machine shell, a filter screen is connected in a clamping manner in the discharge barrel, a pulp outlet pipe at the bottom of the inner container is opposite to a barrel opening of the discharge barrel, a pulp conveying pipe is alternately connected to an opening at the bottom of the discharge barrel, a pulp outlet at one side of the pulp conveying pipe is communicated with an external, and an ink inlet pipe is fixedly arranged on the other side of the top of the deinking machine shell.
As a preferred technical scheme of the invention, both sides of the shell of the deinking machine are fixedly provided with vacuum pumps, and vacuum suction pipes of the vacuum pumps penetrate through one side of the shell of the deinking machine and are arranged inside the inner container.
As a preferred technical scheme of the invention, an aerator is fixedly arranged on a bottom plate of the support frame, an aerator pipe is fixedly arranged at an air outlet at the top of the aerator, and one end of the aerator pipe penetrates through the deinking machine shell and is arranged in the inner container.
As a preferable technical scheme of the invention, the middle parts of the pulp inlet pipe and the ink inlet pipe are both fixedly provided with a first electromagnetic valve, and the middle part of the pulp outlet pipe is fixedly provided with a second electromagnetic valve.
As a preferred technical solution of the present invention, a switch panel is fixedly disposed on one side of the support frame, a speed reduction motor switch, a first solenoid valve switch, a second solenoid valve switch, a vacuum pump switch and an aerator switch are fixedly disposed on the surface of the switch panel, and the speed reduction motor is electrically connected to an external power supply through the speed reduction motor switch, the first solenoid valve switch, the second solenoid valve switch, the vacuum pump switch and the aerator switch.
Compared with the prior art, the invention has the beneficial effects that: the flotation deinking equipment for the waste paperboard is provided with the speed reducing motor and the stirring roller, can stir reaction solution in the liner, accelerates molecular movement, improves reaction efficiency, can inject micro bubbles into the reaction solution through the aerator and the aeration pipe, accelerates the floating speed of ink, can close all electromagnetic valve switches when in use through the vacuum pump and the vacuum suction pipe inserted into the liner, thus absorbing the foam on the surface of the ink by utilizing the vacuum principle, and avoids influencing the ink recovery quality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
in the figure: 1. a support frame; 2. deink machine shell; 3. an inner container; 4. a pulp inlet pipe; 5. an ink inlet pipe; 6. a reduction motor; 7. a stirring roller; 8. stirring blades; 9. a pulp outlet pipe; 10. a discharging barrel; 11. a filter screen; 12. a pulp conveying pipe; 13. a switch panel; 14. a second solenoid valve; 15. an aerator; 16. an aeration pipe; 17. a vacuum pump; 18. a first solenoid valve.
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.
Referring to fig. 1-2, the invention provides a waste paper board flotation deinking device, comprising a support frame 1, a deinking machine shell 2 is fixedly arranged on the top of the support frame 1, an inner container 3 is fixedly arranged in the deinking machine shell 2, a stirring roller 7 is arranged in the inner container 3, stirring blades 8 are fixedly arranged on both sides of the stirring roller 7, one end of the stirring roller 7 passes through a bearing embedded on the inner wall of the top of the deinking machine shell 2 and is in transmission connection with an output shaft of a speed reducing motor 6, the speed reducing motor 6 is fixedly arranged on the top of the deinking machine shell 2, a discharge barrel 10 is fixedly arranged at the bottom of the deinking machine shell 2, a filter screen 11 is clamped and connected in the discharge barrel 10, a pulp outlet pipe 9 at the bottom of the inner container 3 is opposite to the opening position of the discharge barrel 10, a pulp conveying pipe 12 is inserted and connected at the opening at the bottom, a pulp inlet pipe 4 is fixedly arranged on one side of the top of the deinking machine shell 2, and an ink inlet pipe 5 is fixedly arranged on the other side of the top of the deinking machine shell 2.
Preferably, a vacuum pump 17 is fixedly arranged on each of two sides of the deinking machine shell 2, a vacuum suction pipe of the vacuum pump 17 penetrates through one side of the deinking machine shell 2 and is arranged in the inner container 3, and the vacuum pump 17 is operated to suck the inside of the deinking machine shell 2 to vacuum so as to suck bubbles on the surface of the ink, thereby avoiding influencing the ink recovery quality.
Preferably, the bottom plate of the support frame 1 is fixedly provided with an aerator 15, an air outlet at the top of the aerator 15 is fixedly provided with an aerator pipe 16, one end of the aerator pipe 16 penetrates through the deinking machine shell 2 and is arranged inside the inner container 3, the aerator 15 operates to inject micro bubbles into the solution through the aerator pipe 16, and floating bubbles are generated to adsorb the ink to the upper layer of the solution.
Preferably, a first electromagnetic valve 18 is fixedly arranged in the middle of each of the pulp inlet pipe 4 and the ink inlet pipe 5, and a second electromagnetic valve 14 is fixedly arranged in the middle of the pulp outlet pipe 9, so that the deinking agent and the paper pulp can be conveniently controlled to enter and exit.
Preferably, one side of the support frame 1 is fixedly provided with a switch panel 13, the surface of the switch panel 13 is fixedly provided with a speed reduction motor switch, a first electromagnetic valve switch, a second electromagnetic valve switch, a vacuum pump switch and an aerator switch, the speed reduction motor 6 is electrically connected with an external power supply through the speed reduction motor switch, the first electromagnetic valve 18 is electrically connected with the first electromagnetic valve switch, the second electromagnetic valve 14 is electrically connected with the second electromagnetic valve switch, and the vacuum pump 17 is electrically connected with the aerator 15 through the vacuum pump switch and the aerator switch.
When the flotation deinking device for the waste paper boards works, a first electromagnetic valve switch is opened, deinking agent is added into an inner container 3 through an ink inlet pipe 5 and waste paper pulp through a pulp inlet pipe 4, the deinking agent and the inner container are subjected to fusion reaction with aqueous suspension in the inner container, a speed reducing motor switch is opened at the moment, a speed reducing motor 6 operates to drive a stirring roller 7 and a stirring blade 8 to rotate, reaction liquid is stirred, the movement speed of molecules is accelerated, the reaction efficiency is improved, after the waste paper boards are stirred for a period of time, the speed reducing motor switch is closed to enable the solution after the reaction to stand, an aerator switch is opened at the moment, an aerator 15 operates to inject micro bubbles into the solution through an aerator pipe 16, upward floating bubbles are generated to adsorb ink to the upper layer of the solution, the lower layer of the solution is fiber slurry with a hydrophilic surface, a second electromagnetic valve switch is opened at the moment, the slurry after the reaction enters a discharge barrel 10 through a pulp outlet pipe 9, after being filtered by the filter screen 11 inside, the impurities are conveyed into the pulp conveying pipe 12 and conveyed into an external collection box by the pulp conveying pipe 12. When the ink is recovered, the switch of the vacuum pump can be opened, all the electromagnetic valve switches are closed, and the vacuum pump 17 operates to pump the interior of the deinking machine shell 2 to vacuum, so that bubbles on the surface of the ink are sucked, and the ink recovery quality is prevented from being influenced.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a waste paperboard flotation deinking equipment, includes support frame (1), its characterized in that, the fixed deinking machine casing (2) that is equipped with in top of support frame (1), the fixed inner bag (3) that is equipped with in inside of deinking machine casing (2), the inside of inner bag (3) is equipped with stirring roller (7), the equal fixed mounting in both sides of stirring roller (7) has stirring leaf (8), the one end of stirring roller (7) is passed and is inlayed the bearing of establishing at deinking machine casing (2) top inner wall and is connected with the output shaft transmission of gear motor (6), gear motor (6) fixed mounting is in the top of deinking machine casing (2), the fixed feed cylinder (10) that is equipped with in bottom of deinking machine casing (2), the inside block of feed cylinder (10) is connected with filter screen (11), the play thick liquid pipe (9) and the feed cylinder (10) of inner bag (3) bottom are just right, the automatic feeding device is characterized in that a pulp conveying pipe (12) is connected to an opening at the bottom of the discharge barrel (10) in an inserting mode, a pulp outlet at one side of the pulp conveying pipe (12) is communicated with an external collecting box, a pulp inlet pipe (4) is fixedly arranged at one side of the top of the deinking machine shell (2), and an ink inlet pipe (5) is fixedly arranged at the other side of the top of the deinking machine shell (2).
2. The apparatus for flotation deinking of waste paperboard as recited in claim 1 wherein: and both sides of the deinking machine shell (2) are fixedly provided with vacuum pumps (17), and vacuum suction pipes of the vacuum pumps (17) penetrate through one side of the deinking machine shell (2) and are arranged inside the inner container (3).
3. The apparatus for flotation deinking of waste paperboard as recited in claim 2, wherein: an aerator (15) is fixedly arranged on the bottom plate of the support frame (1), an aerator pipe (16) is fixedly arranged at an air outlet at the top of the aerator (15), and one end of the aerator pipe (16) penetrates through the deinking machine shell (2) and is arranged inside the inner container (3).
4. The apparatus for flotation deinking of waste paperboard as recited in claim 3, wherein: the middle parts of the pulp inlet pipe (4) and the ink inlet pipe (5) are respectively fixedly provided with a first electromagnetic valve (18), and the middle part of the pulp outlet pipe (9) is fixedly provided with a second electromagnetic valve (14).
5. The apparatus for flotation deinking of waste paperboard as recited in claim 4, wherein: the fixed flush mounting plate of switch panel (13) that is equipped with in one side of support frame (1), the fixed surface of flush mounting plate of switch panel (13) is equipped with gear motor switch, first solenoid valve switch, second solenoid valve switch, vacuum pump switch and aeration machine switch, gear motor (6) are through gear motor switch, first solenoid valve (18) through first solenoid valve switch, second solenoid valve (14) through second solenoid valve switch, vacuum pump (17) through vacuum pump switch and aeration machine (15) through aeration machine switch all with external power electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273418.2A CN111778750A (en) | 2019-04-05 | 2019-04-05 | Flotation deinking equipment for waste paper board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273418.2A CN111778750A (en) | 2019-04-05 | 2019-04-05 | Flotation deinking equipment for waste paper board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111778750A true CN111778750A (en) | 2020-10-16 |
Family
ID=72755532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910273418.2A Withdrawn CN111778750A (en) | 2019-04-05 | 2019-04-05 | Flotation deinking equipment for waste paper board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111778750A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564952A (en) * | 2021-06-23 | 2021-10-29 | 王海英 | Ink particle processing device for green manufacturing of low-gram cardboard paper |
| CN114134741A (en) * | 2021-12-09 | 2022-03-04 | 杭州萧山南阳造纸有限公司 | Efficient clean non-destructive pulping deinking system based on waste paper and operation process thereof |
| CN114277593A (en) * | 2021-12-27 | 2022-04-05 | 常州市正文印刷有限公司 | Full-automatic manufacturing equipment of energy-concerving and environment-protective type paper products |
| WO2022095639A1 (en) * | 2020-11-06 | 2022-05-12 | 李璇 | Method and device for separating printing ink and fiber by dry-process magnetic force difference coupled vibration |
-
2019
- 2019-04-05 CN CN201910273418.2A patent/CN111778750A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095639A1 (en) * | 2020-11-06 | 2022-05-12 | 李璇 | Method and device for separating printing ink and fiber by dry-process magnetic force difference coupled vibration |
| CN113564952A (en) * | 2021-06-23 | 2021-10-29 | 王海英 | Ink particle processing device for green manufacturing of low-gram cardboard paper |
| CN114134741A (en) * | 2021-12-09 | 2022-03-04 | 杭州萧山南阳造纸有限公司 | Efficient clean non-destructive pulping deinking system based on waste paper and operation process thereof |
| CN114134741B (en) * | 2021-12-09 | 2023-12-01 | 杭州萧山南阳造纸有限公司 | Efficient clean nondestructive pulping deinking system based on waste paper and operation process thereof |
| CN114277593A (en) * | 2021-12-27 | 2022-04-05 | 常州市正文印刷有限公司 | Full-automatic manufacturing equipment of energy-concerving and environment-protective type paper products |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201016 |
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| WW01 | Invention patent application withdrawn after publication |