CN109371736A - A kind of preparation process of white-top kraft liner board - Google Patents
A kind of preparation process of white-top kraft liner board Download PDFInfo
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- CN109371736A CN109371736A CN201811532794.0A CN201811532794A CN109371736A CN 109371736 A CN109371736 A CN 109371736A CN 201811532794 A CN201811532794 A CN 201811532794A CN 109371736 A CN109371736 A CN 109371736A
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- China
- Prior art keywords
- clean
- felt
- preserving agent
- technique
- cleaned
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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
- D21F1/32—Washing wire-cloths or felts
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Paper (AREA)
Abstract
The present invention provides a kind of felt for producing white-top kraft liner board and keeps a public place clean technique, it is characterized in that, the technique are as follows: top felt is cleaned using the first clean-preserving agent, while lower felt is cleaned using the second clean-preserving agent, and intermittence cleans lower felt using third clean-preserving agent.The technique can effectively solve felt fouling problems up and down, is removing the organic and inorganic pollution gathered in felt, the voidage and absorbability of woollen blanket is being improved, to improve the dewatering of felt.
Description
Technical field
The invention belongs to pulp technology for making paper, are related to the preparation process more particularly to a kind of production of a kind of white-top kraft liner board
The felt of white-top kraft liner board is kept a public place clean technique.
Background technique
White-top kraft liner board belongs to the scope of wrapping paper, the characteristic for having it original in printing ornamenting, whiteness height, intensity
Height, ink absorption is good, printing quality is excellent, not only there is good packaging protective action.Surface layer in fine flour ox card production technology
It is starched using DMOW, adhesive content is few, and calcium carbonate is added in surface layer slurry and improves surface layer whiteness, bottom is starched using OCC, sicker
Content is more, is normally producing, and press section is dehydrated at paper, in water containing it is more it is dirty can block felt, cause felt dirty
Dirt influences into paper dehydrating effect, to solve felt fouling problems, presently mainly using high pressure water and alkaline felt clean-preserving agent pair
Felt is cleaned.
Because of face base pastes difference, the dirty difference of top felt and lower felt surface adhesion, top felt contact front is dirty
Main component is calcium carbonate, and lower felt contacts the back side, and dirty main component is sicker, and upper and lower felt is kept a public place clean using alkaline felt
Agent is poor to the dirty removal effect containing calcium carbonate.
101768889 A of CN discloses a kind of felt cleaning device for paper machine, and the felt cleaning device is to steam
Vapour formula felt cleaning device, is located at the rack of the paper machine felt leading roll, wherein the steam-type felt cleaning device packet
It includes: the main steam range vertical with felt traffic direction；The steam branch in the same direction in main steam range and with felt traffic direction is set
Pipe, the steam branch pipe are equipped with the nozzle between felt distance 6-8cm.The present invention also provides contain the felt cleaning device
Paper machine and felt cleaning method.Described device can reduce the felt cleaning frequency and improve felt permeability, extend hair
The service life of cloth, at the same the device for the cleaning paper machine felt that rejected product copies back caused by reducing because of felt impurity and its
Method.
207628807 U of CN discloses a kind of pulping and paper-making felt side automatic flushing device, including bottom plate, the bottom
The first water tank is equipped at the top of plate, first water tank side is equipped with water pump, and the water pump side is managed equipped with clear water PU, the clear water
The first pressure reducing valve is equipped with inside PU pipe, first pressure reducing valve side is equipped with ball valve, and the ball valve side is equipped with the first threeway, institute
It states the first threeway both ends and is equipped with jetter, the jetter bottom is equipped with fixed bracket, sets at the top of the jetter
There is net blanket cleaning agent PU pipe.Described device is directed toward cleaning position by setting jetter, by the adjustable Fine spray shower nozzle of hose
It sets, telescoping tube can extend Fine spray shower nozzle, be conducive to the clean range for improving Fine spray shower nozzle, so that Fine spray shower nozzle is adjustable, into
And the greasy dirt accurately generated to felt both ends compared with medium position cleans, it can be according to the region that greasy dirt occurs come to mist
Spray head is adjusted, and improves the efficiency of cleaning greasy dirt.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of felt for producing white-top kraft liner board and keeps a public place clean technique,
The technique can effectively solve felt fouling problems up and down, in the organic and inorganic pollution that removing is gathered in felt, improve
The voidage and absorbability of woollen blanket, to improve the dewatering of felt.
In order to achieve the above object, the invention adopts the following technical scheme:
The present invention provides a kind of felt for producing white-top kraft liner board and keeps a public place clean technique, the technique are as follows:
Top felt is cleaned using the first clean-preserving agent, while lower felt is cleaned using the second clean-preserving agent, and
Intermittence cleans lower felt using third clean-preserving agent.
As currently preferred technical solution, first clean-preserving agent is acid clean-preserving agent.
As currently preferred technical solution, the additional amount of first clean-preserving agent is 30~50mL/min, such as 30mL/
Min, 32mL/min, 35mL/min, 38mL/min, 40mL/min, 42mL/min, 45mL/min, 48mL/min or 50mL/min
Deng it is not limited to cited numerical value, other unlisted numerical value are equally applicable in the numberical range.
In the present invention, if the additional amount of acid clean-preserving agent is relatively poor to the cleaning effect of felt less than 30mL/min, reach
Less than the effect persistently kept a public place clean, it will cause drug waste greater than 50mL/min, increase production cost
As currently preferred technical solution, second clean-preserving agent is neutral clean-preserving agent.
As currently preferred technical solution, the additional amount of second clean-preserving agent is 25~35mL/min, such as 25mL/
min、26mL/min、27mL/min、28mL/min、29mL/min、30mL/min、31mL/min、32mL/min、33mL/min、
34mL/min or 35mL/min etc., it is not limited to cited numerical value, other interior unlisted numerical value of the numberical range are same
Sample is applicable in.
In the present invention, if the additional amount of neutral clean-preserving agent is relatively poor to the cleaning effect of felt less than 25mL/min, reach
Less than the effect persistently kept a public place clean, it will cause drug waste greater than 35mL/min, increase production cost.
As currently preferred technical solution, the third clean-preserving agent is alkaline cleaner.
As currently preferred technical solution, method that the having a rest property cleans lower felt using third clean-preserving agent
It is primary for cleaning in every 2~5 hours, it cleans 0.5~2 hour every time.
Wherein it is possible to be cleaning one in every 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours or 5 hours
It is secondary, cleaning 0.5 hour, 0.6 hour, 0.8 hour, 1 hour, 1.2 hours, 1.5 hours, 1.8 hours or 2 hours etc. every time, but
It is not limited in cited numerical value, other unlisted numerical value are equally applicable in above-mentioned each numberical range.
As currently preferred technical solution, the additional amount of the third clean-preserving agent is 40~60mL/min, such as 40mL/
Min, 42mL/min, 45mL/min, 50mL/min, 52mL/min, 55mL/min, 58mL/min or 60mL/min etc., but not
It is only limitted to cited numerical value, other unlisted numerical value are equally applicable in the numberical range.
As currently preferred technical solution, the spray of first clean-preserving agent, the second clean-preserving agent and third clean-preserving agent
Mouth is drenched separately close at paper delivery position.
As currently preferred technical solution, the felt of the production white-top kraft liner board is kept a public place clean technique are as follows:
Top felt is cleaned with the additional amount of 30~50mL/min using acid clean-preserving agent, while being kept a public place clean using neutrality
Agent cleans lower felt with the additional amount of 25~35mL/min, and intermittence uses alkaline clean-preserving agent with 40~60mL/min
Additional amount, every 2~5 hours, clean lower felt was cleaned in 0.5~2 hour every time.
In the present invention, top felt is cleaned the pollutant on felt, is had preferable removal to calcium carbonate using acid clean-preserving agent
Effect；Lower felt is continuously added into neutral clean-preserving agent, contains bleeding agent, dispersing agent, surfactant, solvent etc. in drug, is used for
Various pollutants are prevented to gather on felt；Alkaline cleaner is added in lower felt intermittence, contains the ingredients such as dispersing agent in drug,
For removing organic in felt and inorganic pollution.
Compared with prior art, the present invention is at least had the advantages that
(1) present invention provides a kind of felt for producing white-top kraft liner board and keeps a public place clean technique, and the technique can effectively solve up and down
Felt fouling problems remove the organic and inorganic pollution gathered in felt, and felt can be made to extend 5-7 days using the time；
(2) present invention provides a kind of felt for producing white-top kraft liner board and keeps a public place clean technique, the process improving sky of felt
Porosity and absorbability guarantee that paper web goes out the mass dryness fraction squeezed and stablizes in 48-50%, stablize fortune to improve the dewatering of felt
Row reduces drying portion steam consumption, reduces production cost.
Detailed description of the invention
Fig. 1 is that a kind of felt for producing white-top kraft liner board provided by the invention is kept a public place clean a kind of device that technique can be applicable in
Structural schematic diagram.
The present invention is described in more detail below.But following examples is only simple example of the invention, not generation
Table or limitation the scope of the present invention, protection scope of the present invention are subject to claims.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
In order to better illustrate the present invention, it is easy to understand technical solution of the present invention, of the invention is typical but non-limiting
Embodiment is as follows:
Embodiment 1
Keep a public place clean technique the present embodiment provides a kind of felt for producing white-top kraft liner board, the technique are as follows:
Top felt is cleaned with the additional amount of 30mL/min using acid clean-preserving agent, at the same using neutral clean-preserving agent with
The additional amount of 25mL/min cleans lower felt, and it is intermittent using alkaline clean-preserving agent with the additional amount of 40mL/min, every 2
Hour, cleaning cleans lower felt in 2 hours every time.
Embodiment 2
Keep a public place clean technique the present embodiment provides a kind of felt for producing white-top kraft liner board, the technique are as follows:
Top felt is cleaned with the additional amount of 50mL/min using acid clean-preserving agent, at the same using neutral clean-preserving agent with
The additional amount of 35mL/min cleans lower felt, and it is intermittent using alkaline clean-preserving agent with the additional amount of 60mL/min, every 5
Hour, cleaning cleans lower felt in 2 hours every time.
Embodiment 3
Keep a public place clean technique the present embodiment provides a kind of felt for producing white-top kraft liner board, the technique are as follows:
Top felt is cleaned with the additional amount of 40mL/min using acid clean-preserving agent, at the same using neutral clean-preserving agent with
The additional amount of 30mL/min cleans lower felt, and it is intermittent using alkaline clean-preserving agent with the additional amount of 50mL/min, every 3
Hour, cleaning cleans lower felt in 1 hour every time.
Embodiment 4
Keep a public place clean technique the present embodiment provides a kind of felt for producing white-top kraft liner board, the technique are as follows:
Top felt is cleaned with the additional amount of 35mL/min using acid clean-preserving agent, at the same using neutral clean-preserving agent with
The additional amount of 28mL/min cleans lower felt, and intermittence uses alkaline clean-preserving agent with the additional amount of 45mL/min, often
2.5 hours, cleaning cleaned lower felt in 0.8 hour every time.
Embodiment 5
Keep a public place clean technique the present embodiment provides a kind of felt for producing white-top kraft liner board, the technique are as follows:
Top felt is cleaned with the additional amount of 45mL/min using acid clean-preserving agent, at the same using neutral clean-preserving agent with
The additional amount of 32mL/min cleans lower felt, and it is intermittent using alkaline clean-preserving agent with the additional amount of 55mL/min, every 4
Hour, cleaning cleans lower felt in 1.5 hours every time.
Comparative example
In this comparative example, top felt and lower felt are cleaned together using high pressure water and alkaline clean-preserving agent, remaining
Part is same as Example 3.
Device used in 1-5 of the embodiment of the present invention and comparative example is as shown in Figure 1, the acid clean-preserving agent used is acidity
Mixture, removes the organic and inorganic pollution gathered in felt, and neutral clean-preserving agent is to contain bleeding agent, dispersing agent, surface
Activating agent, solvent etc., for preventing various pollutants from gathering on felt.Alkaline clean-preserving agent is alkalinity, contains dispersion in drug
The ingredients such as agent, for removing organic in felt and inorganic pollution.
The felt for producing white-top kraft liner board described in embodiment 1-5 keeps a public place clean technique compared to comparative example, felt can be made to use
Time extends 5-7 days.Embodiment 1-5 improves the voidage and absorbability of felt compared to comparative example, to improve felt
Dewatering guarantees that paper web goes out the mass dryness fraction squeezed and stablizes in 48-50%.
The Applicant declares that the present invention is explained by the above embodiments detailed construction feature of the invention, but the present invention is simultaneously
It is not limited to above-mentioned detailed construction feature, that is, does not mean that the present invention must rely on above-mentioned detailed construction feature and could implement.Institute
Belong to those skilled in the art it will be clearly understood that any improvement in the present invention, to the equivalence replacement of component selected by the present invention
And increase, selection of concrete mode of accessory etc., all of which fall within the scope of protection and disclosure of the present invention.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
- A kind of technique 1. felt for producing white-top kraft liner board is kept a public place clean, which is characterized in that the technique are as follows:Top felt is cleaned using the first clean-preserving agent, while lower felt is cleaned using the second clean-preserving agent, and interval Property cleans lower felt using third clean-preserving agent.
- 2. technique according to claim 1, which is characterized in that first clean-preserving agent is acid clean-preserving agent.
- 3. technique according to claim 1 or 2, which is characterized in that the additional amount of first clean-preserving agent is 30~50mL/ min。
- 4. technique according to claim 1-3, which is characterized in that second clean-preserving agent is neutral clean-preserving agent.
- 5. technique according to claim 1-4, which is characterized in that the additional amount of second clean-preserving agent be 25~ 35mL/min。
- 6. technique according to claim 1-5, which is characterized in that the third clean-preserving agent is alkaline cleaner.
- 7. technique according to claim 1-6, which is characterized in that the having a rest property is using third clean-preserving agent to lower hair The method that cloth is cleaned is that cleaning in every 2~5 hours is primary, is cleaned 0.5~2 hour every time.
- 8. technique according to claim 1-7, which is characterized in that the additional amount of the third clean-preserving agent be 40~ 60mL/min。
- 9. technique according to claim 1-8, which is characterized in that first clean-preserving agent, the second clean-preserving agent with And the spray port of third clean-preserving agent is separately close at paper delivery position.
- 10. -9 described in any item techniques according to claim 1, feature is with the technique are as follows:Top felt is cleaned with the additional amount of 30~50mL/min using acid clean-preserving agent, at the same using neutral clean-preserving agent with The additional amount of 25~35mL/min cleans lower felt, and intermittent the adding with 40~60mL/min using alkaline clean-preserving agent Enter amount, every 2~5 hours, cleans 0.5~2 hour every time and lower felt is cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532794.0A CN109371736B (en) | 2018-12-14 | 2018-12-14 | Preparation process of white craft paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532794.0A CN109371736B (en) | 2018-12-14 | 2018-12-14 | Preparation process of white craft paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109371736A true CN109371736A (en) | 2019-02-22 |
| CN109371736B CN109371736B (en) | 2020-12-08 |
Family
ID=65373600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811532794.0A Active CN109371736B (en) | 2018-12-14 | 2018-12-14 | Preparation process of white craft paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109371736B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020129914A1 (en) * | 2001-01-18 | 2002-09-19 | Voith Paper Patent Gmbh | Process for conditioning a circulating felt belt |
| CN1721622A (en) * | 2004-07-05 | 2006-01-18 | 栗田工业株式会社 | Cleaning agent for paper production and method of cleaning felt for paper production |
| CN201406610Y (en) * | 2009-03-23 | 2010-02-17 | 杭州大路实业有限公司 | Washing device for paper machine felt |
| CN207714031U (en) * | 2017-11-28 | 2018-08-10 | 玖龙纸业（东莞）有限公司 | A kind of dry net automatic cleaning system |
-
2018
- 2018-12-14 CN CN201811532794.0A patent/CN109371736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020129914A1 (en) * | 2001-01-18 | 2002-09-19 | Voith Paper Patent Gmbh | Process for conditioning a circulating felt belt |
| CN1721622A (en) * | 2004-07-05 | 2006-01-18 | 栗田工业株式会社 | Cleaning agent for paper production and method of cleaning felt for paper production |
| CN201406610Y (en) * | 2009-03-23 | 2010-02-17 | 杭州大路实业有限公司 | Washing device for paper machine felt |
| CN207714031U (en) * | 2017-11-28 | 2018-08-10 | 玖龙纸业（东莞）有限公司 | A kind of dry net automatic cleaning system |
Non-Patent Citations (1)
| Title |
|---|
| 刘一山: "《制浆造纸助剂及其应用技术》", 31 August 2010, 中国轻工出版社 * |
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| Publication number | Publication date |
|---|---|
| CN109371736B (en) | 2020-12-08 |
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