CN106245398B - A kind of deinking line polydisc and de-sludging method with de-sludging device - Google Patents
A kind of deinking line polydisc and de-sludging method with de-sludging device Download PDFInfo
- Publication number
- CN106245398B CN106245398B CN201610784541.7A CN201610784541A CN106245398B CN 106245398 B CN106245398 B CN 106245398B CN 201610784541 A CN201610784541 A CN 201610784541A CN 106245398 B CN106245398 B CN 106245398B
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- CN
- China
- Prior art keywords
- polydisc
- sludging
- caustic soda
- container
- liquid caustic
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/106—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by boiling the liquid
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The application is related to a kind of deinking line polydisc and de-sludging method with de-sludging device, deinking line polydisc includes polydisc and de-sludging device, the de-sludging device includes being used for the pharmaceutical dissolution container that cleaning agent is provided into described polydisc, for providing the liquid caustic soda container of liquid caustic soda into described polydisc, described pharmaceutical dissolution container is connected with described liquid caustic soda container with described polydisc, described de-sludging device also includes being used to pump the water of more tray bottoms to top to form the shower of water circulation in polydisc, one end of described shower is communicated in the bottom of described polydisc, the other end is communicated in the top of described polydisc.Solve polydisc fouling production capacity and decline problem, the problem of back segment device efficiency caused by filtrate water quality inferiority caused by avoiding polydisc fouling simultaneously and concentration slurry mass dryness fraction deficiency is low, the quality stability of deinked stock is improved, reduces the stock quality caused by polydisc and degrades.
Description
Technical field
The application is related to a kind of deinking line polydisc and de-sludging method with de-sludging device.
Background technology
In the prior art, oxalic acid can be contained in the wastepaper as raw material of Deinking Pulp production process, suitable pH in production process
Value and temperature can cause produce calcium oxalate scaling, while after high density bleaching lignin and xylan degrading can equally produce oxalate and
Calcium binding produces calcium oxalate scaling in system, the polydisc before and after calcium oxalate scaling main positions bleachery, calcium oxalate dirt
Adhere on disc surface and internal drainage passage, it is difficult hanging to cause polydisc, and drainage is difficult, has a strong impact on polydisc production capacity and follow-up
Propelling worm mass dryness fraction and heat partition pulp quality；It can not be purged using physics high-pressure wash method in machine, but use strong acid
Oxalic acid fouling is handled by severe corrosion equipment.
The content of the invention
The technical problems to be solved by the invention are overcome the deficiencies in the prior art, there is provided a kind of de- with de-sludging device
Line of ink marker polydisc and de-sludging method.
To solve above technical problem, the utility model adopts the following technical scheme that：
A kind of deinking line polydisc with de-sludging device, it includes polydisc and de-sludging device, and the de-sludging device includes using
In the pharmaceutical dissolution container of offer cleaning agent, the liquid caustic soda appearance for providing liquid caustic soda into described polydisc into described polydisc
Device, described pharmaceutical dissolution container are connected with described liquid caustic soda container with described polydisc, and described de-sludging device also includes
For pumping the water of more tray bottoms to top to form the shower of water circulation in polydisc, one end of described shower connects
In the bottom of described polydisc, the other end is communicated in the top of described polydisc.
Preferably, it is additionally provided with described shower for the water of described more tray bottoms to be delivered to described polydisc
3rd water pump at top.
Preferably, it is additionally provided with the connecting pipe of described pharmaceutical dissolution container and described polydisc for will be described
The cleaning agent of pharmaceutical dissolution container is delivered to the first water pump in described polydisc, described liquid caustic soda container and described polydisc
Be additionally provided with the second water pump for the liquid caustic soda in described liquid caustic soda container being delivered in described polydisc on connecting pipe.
Preferably, what described de-sludging device also included being connected with described polydisc is used in polydisc by steam
The steam generator of water heating.
Preferably, described steam generator is connected with the bottom of described polydisc, and the bottom of described polydisc has
Multiple steam inlets, the valve for controlling described steam to open or close each is both provided with described steam inlet.
Preferably, described more tray bottoms have 4 steam inlets, the opening of the steam of described 4 steam inlets or
Close respectively by the first valve, the second valve, the 3rd valve and the 4th Valve controlling.
Preferably, the thermometer for detecting fluid temperature in polydisc is additionally provided with the polydisc.
Preferably, the liquid level gauge for detecting liquid level in described polydisc is additionally provided with described polydisc.
The application also provides a kind of de-sludging method of the de-sludging device of deinking line polydisc, and described de-sludging method includes following
Step,
（1）The injected clear water into described polydisc, open the second described water pump and liquid caustic soda is injected into described polydisc, adjust
The pH value in polydisc is saved, the first described water pump is opened, injects cleaning agent into described polydisc, formed for cleaning polydisc
Solution；
（2）One or more valves of more tray bottoms are opened, steam is injected into described polydisc, adjust solution in polydisc
Temperature；
（3）The 3rd water pump is opened, the solution circulation in polydisc is opened, polydisc is cleaned.
Preferably, in step（3）In, according to the testing result of described thermometer and liquid level gauge, adjust more tray bottoms
The switch of valve.
Preferably, described de-sludging method also includes, step（4）, after being cleaned to polydisc, into described polydisc
Clear water is supplemented, polydisc is cleaned, until the pH value in described polydisc is recovered to neutrality, while aids in using giant
The disc of polydisc is cleaned, the dirt of dissolving is thoroughly cleaned up.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art：
A kind of deinking line polydisc and de-sludging method with de-sludging device described herein solve polydisc fouling production capacity
Decline problem, while back segment equipment caused by filtrate water quality inferiority caused by avoiding polydisc fouling and concentration slurry mass dryness fraction deficiency is imitated
The problem of rate is low, the quality stability of deinked stock is improved, reduce the stock quality caused by polydisc and degrade.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the deinking line polydisc with de-sludging device described herein,
Wherein, 1, polydisc；21st, thermometer；22nd, liquid level gauge；3rd, pharmaceutical dissolution container；4th, liquid caustic soda container；5th, steam generation
Device；61st, the first valve；62nd, the second valve；63rd, the 3rd valve；64th, the 4th valve；71st, the first water pump；72nd, the second water pump；
73rd, the 3rd water pump.
Embodiment
The present invention is described in further details below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to say
The bright basic principles, principal features and advantages of the present invention, and the present invention is not limited by the scope of following examples.Adopted in embodiment
Implementation condition can do further adjustment according to specific requirement, and unreceipted implementation condition is usually the bar in normal experiment
Part.
As shown in figure 1, a kind of deinking line polydisc 1 with de-sludging device, it includes polydisc 1 and de-sludging device, de-sludging dress
Put including the pharmaceutical dissolution container 3 for providing cleaning agent into described polydisc 1, for providing liquid into described polydisc 1
The liquid caustic soda container 4 of alkali, described pharmaceutical dissolution container 3 is connected with described liquid caustic soda container 4 with described polydisc 1, described
De-sludging device also includes being used to pump the water of the bottom of polydisc 1 to top to form the shower of water circulation in polydisc 1, described
One end of shower is communicated in the bottom of described polydisc 1, and the other end is communicated in the top of described polydisc 1.Described spray
The 3rd water pump 73 for the water of the described bottom of polydisc 1 to be delivered to the described top of polydisc 1 is additionally provided with pipe.Described
It is additionally provided with the connecting pipe of pharmaceutical dissolution container 3 and described polydisc 1 for by the cleaning of described pharmaceutical dissolution container 3
Agent is delivered to the first water pump 71 in described polydisc 1, and described liquid caustic soda container 4 on the connecting pipe of described polydisc 1 with going back
Be provided with the second water pump 72 for the liquid caustic soda in described liquid caustic soda container 4 being delivered in described polydisc 1.Described de-sludging
Device also includes the steam generator 5 for being used to heat the interior water of polydisc 1 by steam being connected with described polydisc 1.Institute
The steam generator 5 stated is connected with the bottom of described polydisc 1, and the bottom of described polydisc 1 has multiple steam inlets, often
The valve for controlling described steam to open or close is both provided with individual described steam inlet.The described bottom of polydisc 1
With 4 steam inlets, the steam of described 4 steam inlets is opened or closed respectively by the first valve 61, the second valve
62nd, the 3rd valve 63 and the 4th valve 64 control.The temperature for detecting fluid temperature in polydisc 1 is additionally provided with the polydisc 1
Degree meter 21.The liquid level gauge 22 for detecting liquid level in described polydisc 1 is additionally provided with described polydisc 1.
The application also provides a kind of de-sludging method of the de-sludging device of deinking line polydisc 1, described de-sludging method include with
Lower step,
（1）The injected clear water into described polydisc 1, polydisc 1 is filled to 70%, opens the second described water pump 72 to institute
Injection liquid caustic soda in the polydisc 1 stated, the pH value in polydisc 1 is adjusted to 12.5, the first described water pump 71 is opened, to described polydisc
Injection cleaning agent in 1, addition are the 3-5% of the total Water of polydisc 1, form the solution for cleaning polydisc 1,；
（2）One or more valves of the bottom of polydisc 1 are opened, steam is injected into described polydisc 1, are adjusted in polydisc 1
The temperature of solution, solution in polydisc 1 is warming up to 65 degree；
（3）The 3rd water pump 73 is opened, the solution circulation in polydisc 1 is opened, polydisc 1 is cleaned, circulation immersion 6 hours
After drain solution, in the process, according to the testing result of described thermometer 21 and liquid level gauge 22, regulation polydisc 1 bottom
The switch of valve, temperature automatically open up steam valve concurrent heating when being less than 65 degree, and the pH in polydisc 1 maintains 12.5, total alkalinity dimension
Hold in more than 2500ppm, as deficiency need to add liquid caustic soda；
（4）After being cleaned to polydisc 1, clear water is supplemented into described polydisc 1, polydisc 1 is cleaned, until institute
The pH value in polydisc 1 stated is recovered to neutrality, while aids in cleaning the disc of polydisc 1 using giant, will dissolve
Dirt thoroughly clean up.
A kind of deinking line polydisc and de-sludging method with de-sludging device solve the fouling production capacity of polydisc 1 and decline problem, together
When avoid the fouling of polydisc 1 caused by back segment device efficiency is low asks caused by filtrate water quality inferiority and concentration slurry mass dryness fraction deficiency
Topic, the quality stability of deinked stock is improved, reduce the stock quality caused by polydisc 1 and degrade.
The present invention is described in detail above, the explanation of embodiment be only intended to help the method for understanding the present invention and
Its core concept, its object is to allow the personage for being familiar with this art to understand present disclosure and implement according to this, and
It can not be limited the scope of the invention with this.Any equivalent change or modification in accordance with the spirit of the invention, it should all contain
Cover within protection scope of the present invention.
Claims (10)
- A kind of 1. deinking line polydisc with de-sludging device, it is characterised in that：It includes polydisc and de-sludging device, the de-sludging dress Put including the pharmaceutical dissolution container for providing cleaning agent into described polydisc, for providing liquid caustic soda into described polydisc Liquid caustic soda container, described pharmaceutical dissolution container are connected with described liquid caustic soda container with described polydisc, described de-sludging device Also include being used to pump the water of more tray bottoms to top to form the shower of water circulation in polydisc, the one of described shower End is communicated in the bottom of described polydisc, and the other end is communicated in the top of described polydisc.
- A kind of 2. deinking line polydisc with de-sludging device according to claim 1, it is characterised in that：Described shower On be additionally provided with the 3rd water pump for being delivered to the water of described more tray bottoms at the top of described polydisc.
- A kind of 3. deinking line polydisc with de-sludging device according to claim 2, it is characterised in that：Described dissolving medicine Agent container on the connecting pipe of described polydisc with being additionally provided with for the cleaning agent of described pharmaceutical dissolution container to be delivered to The first water pump in described polydisc, described liquid caustic soda container are used for institute with being additionally provided with the connecting pipe of described polydisc The liquid caustic soda in liquid caustic soda container stated is delivered to the second water pump in described polydisc.
- A kind of 4. deinking line polydisc with de-sludging device according to claim 3, it is characterised in that：Described de-sludging dress Put the steam generator for being used to the interior water of polydisc is heated by steam for also including being connected with described polydisc.
- A kind of 5. deinking line polydisc with de-sludging device according to claim 4, it is characterised in that：Described steam hair Raw device is connected with the bottom of described polydisc, and the bottom of described polydisc has multiple steam inlets, each described steam Porch is both provided with the valve for controlling described steam to open or close.
- A kind of 6. deinking line polydisc with de-sludging device according to claim 5, it is characterised in that：On the polydisc also It is provided with the thermometer for detecting fluid temperature in polydisc.
- A kind of 7. deinking line polydisc with de-sludging device according to claim 6, it is characterised in that：On described polydisc It is additionally provided with the liquid level gauge for detecting liquid level in described polydisc.
- A kind of a kind of 8. de-sludging method of the de-sludging device of deinking line polydisc described in usage right requirement 7, it is characterised in that：Institute The de-sludging method stated comprises the following steps,（1）The injected clear water into described polydisc, open the second described water pump and liquid caustic soda is injected into described polydisc, regulation is more PH value in disk, the first described water pump is opened, cleaning agent is injected into described polydisc, is formed for cleaning the molten of polydisc Liquid；（2）One or more valves of more tray bottoms are opened, steam is injected into described polydisc, adjust the temperature of solution in polydisc Degree；（3）The 3rd water pump is opened, the solution circulation in polydisc is opened, polydisc is cleaned.
- A kind of 9. de-sludging method of the de-sludging device of deinking line polydisc according to claim 8, it is characterised in that：In step （3）In, according to the testing result of described thermometer and liquid level gauge, adjust the switch of the valve of more tray bottoms.
- A kind of 10. de-sludging method of the de-sludging device of deinking line polydisc according to claim 9, it is characterised in that：It is described De-sludging method also include, step（4）, after being cleaned to polydisc, clear water is supplemented into described polydisc, polydisc is carried out Cleaning, until the pH value in described polydisc recovers to neutrality, while aid in carrying out clearly the disc of polydisc using giant Wash, the dirt of dissolving is thoroughly cleaned up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784541.7A CN106245398B (en) | 2016-08-31 | 2016-08-31 | A kind of deinking line polydisc and de-sludging method with de-sludging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784541.7A CN106245398B (en) | 2016-08-31 | 2016-08-31 | A kind of deinking line polydisc and de-sludging method with de-sludging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106245398A CN106245398A (en) | 2016-12-21 |
| CN106245398B true CN106245398B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610784541.7A Active CN106245398B (en) | 2016-08-31 | 2016-08-31 | A kind of deinking line polydisc and de-sludging method with de-sludging device |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0966266A (en) * | 1995-08-31 | 1997-03-11 | Zenken:Kk | Cleaning method and device used for the method |
| CN102601083B (en) * | 2012-03-20 | 2014-09-10 | 湖南骏泰浆纸有限责任公司 | Washing device of scaling substances on surface of pulp washer and washing method of scaling substances on surface of pulp washer |
| CN104594093B (en) * | 2014-12-19 | 2016-10-12 | 金东纸业（江苏）股份有限公司 | A kind of water circulation system of paper-making pulping process |
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2016
- 2016-08-31 CN CN201610784541.7A patent/CN106245398B/en active Active
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| Publication number | Publication date |
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| CN106245398A (en) | 2016-12-21 |
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