CN112796143A - System and method for toning fine fibers by using hydrogen peroxide - Google Patents
System and method for toning fine fibers by using hydrogen peroxide Download PDFInfo
- Publication number
- CN112796143A CN112796143A CN202110144160.3A CN202110144160A CN112796143A CN 112796143 A CN112796143 A CN 112796143A CN 202110144160 A CN202110144160 A CN 202110144160A CN 112796143 A CN112796143 A CN 112796143A
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- hydrogen peroxide
- white water
- tank body
- fine fibers
- toning
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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
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
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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
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1052—Controlling the process
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- 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
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Paper (AREA)
Abstract
The invention discloses a system and a method for toning fine fibers by using hydrogen peroxide, which comprises the following steps: the fine fiber treatment device comprises a tank body, and a white water liquid inlet pipe and a white water liquid outlet pipe which are arranged on the tank body, wherein the white water liquid inlet pipe and the white water liquid outlet pipe are respectively communicated with a white water tank and a slurry tank, and a recovery mechanism for collecting fine fibers is arranged in the tank body; the hydrogen peroxide adding assembly is communicated with the tank body and is used for conveying hydrogen peroxide to the tank body and adjusting the color of fine fibers in the white water in the tank body; and the monitoring and adjusting component is used for monitoring the flow of the white water in the white water liquid inlet pipe and controlling the efficiency of the hydrogen peroxide adding component for adding hydrogen peroxide. The invention has the beneficial effects that: the phenomenon that the recycled fiber is dark in color is solved, and the recycled fine fiber is subjected to color matching by using hydrogen peroxide, so that the phenomenon that the front side is transparent to ash is improved, the cost is reduced, and the quality is improved.
Description
Technical Field
The invention relates to the technical field of papermaking chemicals, in particular to a system and a method for toning fine fibers by using hydrogen peroxide.
Background
The papermaking equipment is combined equipment for papermaking, mainly comprises the process technologies of mesh weaving, pressing, drying and the like, the improvement and development of various processes improve the papermaking efficiency, but the difference between the demand and the raw material is larger, and the old or inferior raw material needs to be recycled.
However, when the fine fibers precipitated by the mesh water are recycled, the fine fibers contain more fillers, starch, chemical residues and other substances, and after the fine fibers are precipitated for a period of time, the color becomes dark, and the fine fibers are recycled to the core layer, so that the finished paper surface is grayed, and the coating amount needs to be increased for covering. Due to the high coating amount, the phenomenon of hair and powder falling on the paper surface is easy to occur, and further the product quality problem is caused. In order to reduce the coating amount, the problem of dark color of the fine fiber needs to be solved.
Disclosure of Invention
The invention aims to provide a system for toning fine fibers by using hydrogen peroxide, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a system for toning fine fibers by using hydrogen peroxide comprises: the fine fiber treatment device comprises a tank body, and a white water liquid inlet pipe and a white water liquid outlet pipe which are arranged on the tank body, wherein the white water liquid inlet pipe and the white water liquid outlet pipe are respectively communicated with a white water tank and a slurry tank, and a recovery mechanism for collecting fine fibers is arranged in the tank body; the hydrogen peroxide adding assembly is communicated with the tank body and is used for conveying hydrogen peroxide to the tank body and adjusting the color of fine fibers in the white water in the tank body; and the monitoring and adjusting component is used for monitoring the flow of the white water in the white water liquid inlet pipe and controlling the efficiency of the hydrogen peroxide adding component for adding hydrogen peroxide.
As a further scheme of the invention: the hydrogen peroxide adding assembly comprises a hydrogen peroxide storage tank, a guide pipe and a hydrogen peroxide pump, wherein the hydrogen peroxide pump is arranged between the tank body and the hydrogen peroxide storage tank through the guide pipe and used for conveying the hydrogen peroxide to the tank body.
As a still further scheme of the invention: the two hydrogen peroxide pumps are connected to the guide pipe in parallel.
As a still further scheme of the invention: the hydrogen peroxide pump is a hydrogen peroxide variable-frequency adding pump and is connected with the monitoring and adjusting assembly, and the monitoring and adjusting assembly controls the work of the hydrogen peroxide variable-frequency adding pump.
As a still further scheme of the invention: the monitoring and adjusting component comprises a control panel, a flowmeter and a valve which are electrically connected with the control panel, and the flowmeter and the valve are respectively arranged on the white water liquid inlet pipe and the pipeline where the hydrogen peroxide adding component is arranged.
As a still further scheme of the invention: and a slag discharge pipe for discharging slag is arranged at the bottom of the tank body.
As a still further scheme of the invention: the white water and hydrogen peroxide mixing tank further comprises a vibration mechanism, wherein the vibration mechanism is arranged on the tank body and used for uniformly mixing the white water and the hydrogen peroxide.
The invention provides another scheme that: a method for toning fine fibers by using hydrogen peroxide adopts a system for toning fine fibers by using hydrogen peroxide, which comprises the following steps: monitoring the flow rate of the white water in the white water feed pipe through the monitoring and adjusting assembly; and controlling the hydrogen peroxide adding component to add hydrogen peroxide into the tank body.
Compared with the prior art, the invention has the beneficial effects that: the phenomenon that the recycled fiber is dark in color is solved, and the recycled fine fiber is subjected to color matching by using hydrogen peroxide, so that the phenomenon that the front side is transparent to ash is improved, the cost is reduced, and the quality is improved.
Drawings
Fig. 1 is a schematic structural diagram of a system for toning fine fibers by using hydrogen peroxide.
In the drawings: 1-fine fiber treatment device, 101-tank body, 2-first hydrogen peroxide variable frequency pump, 3-second hydrogen peroxide variable frequency pump, 4-hydrogen peroxide storage tank, 5-electromagnetic valve I, 6-electromagnetic valve II, 7-flowmeter, A-white water liquid inlet pipe and B-liquid outlet pipe.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1, in an embodiment of the present invention, a system for toning fine fibers by using hydrogen peroxide includes: the fine fiber treatment device comprises a tank body 101, and a white water liquid inlet pipe A and a white water liquid outlet pipe B which are arranged on the tank body, wherein the white water liquid inlet pipe A and the white water liquid outlet pipe B are respectively communicated with a white water tank and a slurry tank, and a recovery mechanism for collecting fine fibers is arranged in the tank body 101; the hydrogen peroxide adding assembly is communicated with the tank body 101 and is used for conveying hydrogen peroxide to the tank body 101 and adjusting the color of fine fibers in the white water in the tank body 101; and the monitoring and adjusting component is used for monitoring the flow of white water in the white water liquid inlet pipe A and controlling the efficiency of the hydrogen peroxide adding component for adding hydrogen peroxide.
Specifically, when the white water is recycled into the tank body through the white water liquid inlet pipe A, the monitoring and adjusting component starts to monitor the flow rate in the white water liquid inlet pipe A, process data, and control the adding amount of the hydrogen peroxide added by the hydrogen peroxide adding component, so that the hydrogen peroxide can be used for completely toning the fine fibers in the white water. The recovery mechanism collects the fine fibers, and the white color after color mixing is sent into the slurry tank through the liquid outlet pipe B for recycling. So that the phenomenon of dark color can not occur when the fine fiber is recycled. Thereby reducing the cost and improving the quality.
Referring to fig. 1, in the embodiment of the present invention, the hydrogen peroxide adding assembly includes a hydrogen peroxide storage tank 4, a conduit and a hydrogen peroxide pump, and the hydrogen peroxide pump is disposed between the tank 101 and the hydrogen peroxide storage tank 4 through the conduit and is configured to deliver hydrogen peroxide to the tank 101.
Specifically, one hydrogen peroxide pump is arranged on the guide pipe, and the hydrogen peroxide pump pumps hydrogen peroxide in the hydrogen peroxide storage tank 4 into the tank body 101 to color the fine fibers in the white water in the tank body. So that the phenomenon of dark color can not occur when the fine fiber is recycled.
Preferably, two of the hydrogen peroxide pumps are connected in parallel to the conduit. The two hydrogen peroxide pumps are used for conveying hydrogen peroxide, so that the treatment efficiency of the white water in the tank body 101 can be improved, and the production efficiency is improved. And when a fault occurs, the hydrogen peroxide pump works, and the stable operation of the equipment is ensured. The loss is reduced, and the fault tolerance rate is improved.
Referring to fig. 1, in an embodiment of the present invention, the hydrogen peroxide pump is a hydrogen peroxide variable frequency addition pump, and is connected to the monitoring and adjusting assembly, and the monitoring and adjusting assembly controls the hydrogen peroxide variable frequency addition pump to operate.
Specifically, the two hydrogen peroxide variable frequency adding pumps are a first hydrogen peroxide variable frequency pump 2 and a second hydrogen peroxide variable frequency pump 3 respectively; the hydrogen peroxide adding pump with variable frequency can directly adjust the adding flow of the hydrogen peroxide without adjusting through the monitoring adjusting assembly, so that the equipment cost is saved, and the operation flow and efficiency are improved.
Referring to fig. 1, in the embodiment of the present invention, the monitoring and adjusting assembly includes a control board, a flow meter electrically connected to the control board, and a valve, where the flow meter and the valve are respectively installed on the white water inlet pipe a and the hydrogen peroxide adding assembly.
Specifically, the valves are a solenoid valve I5 and a solenoid valve II 6; the electromagnetic valve I5 and the electromagnetic valve II6 are connected with the control panel, when white water begins to be recycled into the tank body through the white water liquid inlet pipe A, the flow meter 7 begins to monitor the flow rate in the white water liquid inlet pipe A and feeds data back to the control panel, the control panel processes the data, controls the electromagnetic valve I5 and the electromagnetic valve II6 to be opened and closed, and simultaneously adjusts the working power of the first and second oxygen-enriched water variable frequency pumps 2 and 3 to further combine and change the adding amount of added hydrogen peroxide, so that the hydrogen peroxide can completely adjust the color of the fine fibers in the white water. So that the phenomenon of dark color can not occur when the fine fiber is recycled.
Optionally, the monitoring and adjusting component includes a flow meter 7 and a valve, the flow meter 7 and the valve are respectively installed on the white water liquid inlet pipe a and the pipeline where the hydrogen peroxide adding component is located, and an operator manually observes and controls the flow meter 7 and the valve to change the adding amount of the hydrogen peroxide, so that the hydrogen peroxide can completely color the fine fibers in the white water.
Referring to fig. 1, in the embodiment of the present invention, a slag discharge pipe for discharging slag is disposed at the bottom of the tank body.
Specifically, the slag discharge pipe is connected with external processing equipment, and discharges the fine fiber processing device, processes the fine fiber, and discharges the fine fiber after reaching the standard.
Referring to fig. 1, in the embodiment of the present invention, the apparatus further includes a vibration mechanism, which is installed on the tank 101 and used for uniformly mixing the white water and the hydrogen peroxide.
Specifically, the vibration mechanism is the bobbing machine, the bobbing machine is installed on the jar body, to jar body production vibration, make jar internal white water synchronous oscillation, and then make the tiny fibre gathering in the white water flow from drain pipe B.
In another embodiment of the present invention, a method for toning fine fibers by using hydrogen peroxide, which adopts any one of the above systems for toning fine fibers by using hydrogen peroxide, includes the following steps: monitoring the flow rate of the white water in the white water feed liquor pipe A through the monitoring and adjusting assembly; and controlling the hydrogen peroxide adding component to add hydrogen peroxide into the tank body.
Specifically, when the white water is recycled into the tank body through the white water liquid inlet pipe A, the monitoring and adjusting component starts to monitor the flow rate in the white water liquid inlet pipe A, process data, and control the adding amount of the hydrogen peroxide added by the hydrogen peroxide adding component, so that the hydrogen peroxide can be used for completely toning the fine fibers in the white water. The recovery mechanism collects the fine fibers, and the white color after color mixing is sent into the slurry tank through the liquid outlet pipe B for recycling.
The working principle of the invention is as follows: the strong oxidizing property of the hydrogen peroxide is utilized to color the fine fibers in the recovered white water, so that the fine fibers can not cause the front surface of the finished paper to be ash-permeable during the recycling, the coating hanging amount is reduced, and the phenomena of hair falling and powder falling caused by overhigh coating amount are avoided. The quality of finished paper is improved, and the production cost is reduced.
It should be noted that the vibrating machine used in the present invention is an application of the prior art, and those skilled in the art can implement the intended function according to the related description, or implement the technical characteristics required to be accomplished by the similar technology, and will not be described in detail herein.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (8)
1. A system for toning fine fibers by using hydrogen peroxide is characterized by comprising:
the fine fiber treatment device comprises a tank body, and a white water liquid inlet pipe and a white water liquid outlet pipe which are arranged on the tank body, wherein the white water liquid inlet pipe and the white water liquid outlet pipe are respectively communicated with a white water tank and a slurry tank, and a recovery mechanism for collecting fine fibers is arranged in the tank body;
the hydrogen peroxide adding assembly is communicated with the tank body and is used for conveying hydrogen peroxide to the tank body and adjusting the color of fine fibers in the white water in the tank body; and
and the monitoring and adjusting component is used for monitoring the flow of the white water in the white water liquid inlet pipe and controlling the efficiency of the hydrogen peroxide adding component for adding hydrogen peroxide.
2. The system for toning the fine fibers by using hydrogen peroxide according to claim 1, wherein the hydrogen peroxide adding component comprises a hydrogen peroxide storage tank, a conduit and a hydrogen peroxide pump, and the hydrogen peroxide pump is arranged between the tank body and the hydrogen peroxide storage tank through the conduit and used for conveying the hydrogen peroxide to the tank body.
3. The system for toning fine fibers by using hydrogen peroxide according to claim 2, wherein the two hydrogen peroxide pumps are connected to the conduit in parallel.
4. The system for mixing colors of fine fibers by using hydrogen peroxide according to claim 2, wherein the hydrogen peroxide pump is a hydrogen peroxide variable frequency addition pump and is connected with the monitoring and adjusting assembly, and the monitoring and adjusting assembly controls the hydrogen peroxide variable frequency addition pump to work.
5. The system for toning fine fibers by using hydrogen peroxide according to claim 1, wherein the monitoring and adjusting component comprises a control board, a flow meter and a valve, the flow meter and the valve are electrically connected with the control board, and the flow meter and the valve are respectively installed on the white water inlet pipe and the hydrogen peroxide adding component.
6. The system for toning the fine fibers by using hydrogen peroxide according to claim 1, wherein a slag discharge pipe for discharging slag is arranged at the bottom of the tank body.
7. A system for toning fine fibers by using hydrogen peroxide according to claim 1, further comprising a vibration mechanism mounted on the tank for uniformly mixing the white water and the hydrogen peroxide.
8. A method for toning fine fibers by using hydrogen peroxide is characterized in that the system for toning fine fibers by using hydrogen peroxide as claimed in any one of claims 1 to 7 is adopted, and comprises the following steps:
monitoring the flow rate of the white water in the white water feed pipe through the monitoring and adjusting assembly;
and controlling the hydrogen peroxide adding component to add hydrogen peroxide into the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110144160.3A CN112796143B (en) | 2021-02-03 | 2021-02-03 | System and method for toning fine fibers by using hydrogen peroxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110144160.3A CN112796143B (en) | 2021-02-03 | 2021-02-03 | System and method for toning fine fibers by using hydrogen peroxide |
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| CN112796143A true CN112796143A (en) | 2021-05-14 |
| CN112796143B CN112796143B (en) | 2022-10-04 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999044949A1 (en) * | 1998-03-05 | 1999-09-10 | Aquagem Holdings Pty Limited | Method and apparatus for water sanitisation |
| CN1766227A (en) * | 2004-10-26 | 2006-05-03 | 中国印钞造币总公司 | Processing mthod of white water from paper making |
| CN206090160U (en) * | 2016-08-31 | 2017-04-12 | 玖龙纸业（太仓）有限公司 | Color matching system of craft paper |
| CN109153047A (en) * | 2016-05-06 | 2019-01-04 | 野村微科学股份有限公司 | The starting method of Ultrapure Water Purifiers |
| CN209779319U (en) * | 2019-01-25 | 2019-12-13 | 广东理文卫生用纸有限公司 | Fiber recovery system in household paper white water system |
| BR102020006154A2 (en) * | 2020-03-26 | 2020-08-25 | Bruno Cesar De Medeiros Rodrigues | system for generating hydroxyl radicals in the combination of ultraviolet light and hydrogen peroxide automatically, with remote monitoring of water quality parameters |
-
2021
- 2021-02-03 CN CN202110144160.3A patent/CN112796143B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999044949A1 (en) * | 1998-03-05 | 1999-09-10 | Aquagem Holdings Pty Limited | Method and apparatus for water sanitisation |
| CN1766227A (en) * | 2004-10-26 | 2006-05-03 | 中国印钞造币总公司 | Processing mthod of white water from paper making |
| CN109153047A (en) * | 2016-05-06 | 2019-01-04 | 野村微科学股份有限公司 | The starting method of Ultrapure Water Purifiers |
| CN206090160U (en) * | 2016-08-31 | 2017-04-12 | 玖龙纸业（太仓）有限公司 | Color matching system of craft paper |
| CN209779319U (en) * | 2019-01-25 | 2019-12-13 | 广东理文卫生用纸有限公司 | Fiber recovery system in household paper white water system |
| BR102020006154A2 (en) * | 2020-03-26 | 2020-08-25 | Bruno Cesar De Medeiros Rodrigues | system for generating hydroxyl radicals in the combination of ultraviolet light and hydrogen peroxide automatically, with remote monitoring of water quality parameters |
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| CN112796143B (en) | 2022-10-04 |
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