EP1283300A2 - Procédé et dispositif de déacidification de livres - Google Patents
Procédé et dispositif de déacidification de livres Download PDFInfo
- Publication number
- EP1283300A2 EP1283300A2 EP02012965A EP02012965A EP1283300A2 EP 1283300 A2 EP1283300 A2 EP 1283300A2 EP 02012965 A EP02012965 A EP 02012965A EP 02012965 A EP02012965 A EP 02012965A EP 1283300 A2 EP1283300 A2 EP 1283300A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- book
- treatment tank
- air mixture
- water
- air
- 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.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/18—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00 of old paper as in books, documents, e.g. restoring
Definitions
- the invention relates to a method for deacidifying books, in which a Book containing paper sheets is brought into a treatment kettle which then the paper sheets are first pretreated, in which the Paper sheets treated with a water medium / air mixture and with a Blown active substance / air mixture, in which case the paper sides are then treated and in the treatment tank with respect to one Normal pressure of 1,000 mbar, one vacuum and one time Overpressure is set.
- the invention also relates to a device for deacidifying books according to this process, in which a suction vacuum pump is connected to the treatment tank is connected, a device for supplying water medium / air mixture is provided through openings in the treatment tank, a compression agent for the active substance / air mixture via nozzles into the treatment tank works and a control unit is provided.
- Books are not just books in the true sense of the word understood, but also files, a plurality of booklets or a loose-leaf collection. So it's about book-like structures that have a large number of sheets of paper have, which are folded into a sheet pile.
- this is Water medium / air mixture a water vapor / air mixture, the water vapor, if it gets into the treatment tank by suction, at least Is 105 ° C.
- the sheets of paper are first used with negative pressure Blow the active ingredient / air mixture and then with the vacuumed in under vacuum Water vapor / air mixture brought into contact. Connects to that the aftercare.
- the contact with the hot water medium Water vapor is believed to be the introduction of the water medium as well as the active substance in the paper of the paper sheets which has voids accelerate and accelerate the process of deacidification as well let it run faster.
- the process of deacidification goes into that Acid on paper binds to that applied to paper and introduced active ingredient.
- An object of the invention is therefore a method of the aforementioned Type to create, due to the active ingredient and the water medium processes on or in the paper sheets are designed to be accelerated and damage to the paper sheets caused by high temperatures is avoided are.
- the method according to the invention is, by solving this problem characterized in that the paper sheets first under vacuum with a Drops of water / air mixture, then with overpressure with the active substance / air mixture and then again at excess pressure with a water drop / air mixture be blown.
- the water drops in the water drop / air mixture designed as small as possible. Particularly useful and It is advantageous if the water drops are the particles of finely atomized water are.
- the water drop / air mixture is therefore an aerosol, d. H. a very fine distribution of the liquid water in the air.
- the mixture is a kind of fog that is blown.
- the drops of water Maximum water drop / air mixture when entering the treatment tank 50 ° C, preferably a maximum of 40 ° C warm.
- This inlet temperature is enough to drop the water at such a temperature on and into the paper bring that the active ingredient on and in the paper the desired effects sufficiently unfolded.
- the warm water of the water drops can be better adjust the temperature of the paper.
- a particularly useful and advantageous embodiment of the invention is present when it is blown again with the water drop / air mixture and blowing with the active ingredient / air mixture in the treatment vessel an overpressure of at least 1,500 mbar, preferably at least 2,000 mbar is assigned.
- This overpressure drives the water and the active ingredient into the paper.
- the overpressure thus accelerates the introduction of the water and the active substance in the paper of the paper sheets which has voids, after which the process of deacidification is accelerated and accelerated expires.
- the overpressure occurs after the first blowing set with water drops / air mixture.
- the overpressure is z. B. more than 2,500 mbar.
- the overpressure is still after the second Blown with water droplets / air mixture present.
- the first Blown with water drops / air mixture previous pretreatment comprises and if the Vacuum is set lower than 250 mbar.
- a particularly useful and advantageous embodiment of the invention is therefore available if the book after the post-treatment in a Climatic chamber is brought, in which it is under controlled temperature and humidity conditions remains for a predetermined ripening time.
- the book has after Treatment kettle Opportunity for further and complete deacidification with suitable temperature and humidity conditions. This is possible, because so much active ingredient is added to the paper that even after the treatment tank is still free active ingredient in the paper, which is a further deacidification causes. Yellowed book pages turn white again.
- the book from the treatment kettle After removing the book from the treatment kettle, it is placed in the climate chamber spent with climate control. Within this, albeit without pressure Climate chamber, the ripening process is continuously monitored and each completed according to paper type and paper quality after various maturing times. After removing the book from the climate chamber, the pH value is low of the paper, at least in its cover layers, usually with a value> 7.5.
- the active ingredient in a is blown in such a quantity that it is completely on / in the paper sheets remains.
- the paper is Active ingredient is not offered in excess, so that subsequently remove unused excess of active ingredient from the treatment tank is.
- the active ingredient can be found in paper in such an amount and in such a way that the paper absorbs all added active ingredient and after the treatment tank still has free active ingredient for a continuation of deacidification.
- the active ingredient is supplied in powder form and is usually MgO.
- the Active ingredient is supposed to neutralize the acid in the paper and an alkaline reserve build up against future acid attacks.
- the basic substances of the active substance are z. B. periclase, magnesite or dolomite. It becomes chemical neutralization of the different acids contained in the paper excited or initiated.
- the invention also consists in a device of the type mentioned at the beginning, which is characterized in that the device for supplying water medium / air mixture a compressor for a water drop / air mixture and comprises nozzles on the treatment tank and the control unit for the invention Procedure is programmed. Particularly useful and It is advantageous if for the water drop / air mixture and for Active substance / air mixture and for those blown in for cleaning / leafing if necessary Air the same nozzles are provided and / or if the treatment boiler a climate chamber is arranged downstream, with a circulating air pump, a temperature device and a dampening device is provided.
- the invention further relates to a device for deacidifying books, in which a trolley device is inserted into a treatment tank for deacidification is and in which the carriage device in a row a plurality of Carrying devices for one book in a row and the treatment tank assigned to each support device device for supplying water medium / air mixture and drug / air mixture in the treatment tank to the respective book.
- a trolley device is inserted into a treatment tank for deacidification is and in which the carriage device in a row a plurality of Carrying devices for one book in a row and the treatment tank assigned to each support device device for supplying water medium / air mixture and drug / air mixture in the treatment tank to the respective book.
- This device is particularly appropriate the device of the type mentioned is designed and in particular operated according to the method of the type mentioned.
- the device of the type mentioned in the previous paragraph is the treatment kettle is a continuous structure in length and is the Wagon furniture is a uniform, long wagon. This device is designed and takes a maximum number of support devices no more than this maximum number of books along its length. If on the other hand, the device is to be operated so that treatment fewer books are brought in than carrying devices are available over the length then the device is unnecessarily long. The known device is therefore difficult to adapt to the respective need.
- the long car is for Loading and unloading outside the treatment tank is relatively bulky and requires a relatively large amount of space for maneuvering.
- the device according to the invention is this Solving the problem, characterized in that the carriage device in one A plurality of isolated short book carriages, on which the Support devices are distributed, and that the treatment kettle in a plurality is divided by boiler units, which are assembled together and for Recording one of the short book carts are formed.
- the treatment tank can be in the Adapt length to the respective need. If fewer books per treatment should be in the treatment kettle or if less for each treatment Books can be loaded or unloaded, then a shorter one Treatment kettle used. In one corresponding to the number of boiler units The number of bookcars will be provided. The book carriages are isolated, d. H. and not permanently linked together to form a train therefore in for loading and unloading outside the treatment tank Group and maneuver in a space-saving manner. Because of the length adjustment The selected structure of the wagon equipment is therefore for the purpose of simplification of the conditions outside the treatment tank.
- each book trolley i.e. H. towards the Longitudinal extension of the treatment tank with up to three support devices Mistake.
- the book carriage motor is fixed to the boiler unit and each book carriage is provided with a drive rail. Then it will be a first Book car with the drive rail for the output of a first book car engine brought, which further promotes the book car, so that the drive rail in reaches the output range of the next book car engine, etc.
- the treatment kettle has a door at only one end and is permanently closed at the other end, making a boiler unit is provided with the door and a boiler unit with an end wall. at this design, the book car motors are reversible, so the book car drive in and out through the same door opening.
- the Treatment boiler composed of at least three boiler units, whereby at least three book carriages are provided. Outside the treatment tank the book trolleys are usually moved by hand.
- a control unit is provided on a book car engine of every short book car after one Program works, according to which the book carriage is assigned to it Boiler unit moves, there oscillates back and forth and then leaves the treatment tank.
- The are program controlled loaded book carts one after the other in the treatment tank to the assigned Boiler unit driven, then the books for the books are done together the treatment and then the book carts are turned off one by one driven the treatment tank.
- each short book trolley has two levels for two books arranged one above the other having.
- the isolated book trolleys can be comfortably carried with two or load more books one on top of the other.
- the arrangement of two or more books stacked on top of each other is appropriate to the place in to make better use of the treatment kettle.
- a particularly useful and advantageous embodiment of the invention is also present if the treatment boiler has a preparation driving platform is assigned, the at least two adjacent parking spaces for each has a short book carriage.
- the provision driving platform, the z. B. is moved on rails, is driven to a loading point, where the Book carts are loaded with the books.
- the ready-to-drive platform drove to the treatment tank to remove the bookcart from the Slide the driving platform in the treatment tank.
- After treating the Books are pushed back onto the driving platform, which leads to a subordinate climate chamber is driven. There are treated Books from the supply platform or their book trolleys into the climate chamber placed.
- two treatment lifts are assigned to the treatment tank, one of which is loading books into the cart and the loading of the loaded book trolleys into the treatment tank and the other is the removal of the loaded book wagons from the treatment tank and unloading at the climatic chamber.
- they drive Book trolleys on the supply platform on rails; it is appropriate the parallel parking spaces two or more parallel to each other Arranged rail pieces provided, which in rail switches pass over a rail end piece that can be connected to the treatment tank is.
- the 1 comprises a treatment tank 1, which after Introducing a book 2 to be treated is tightly sealed all around.
- the Book 2 is located in the treatment tank 1 on a carrying device 3, which oscillates by means of a book car engine 4 in accordance with a double arrow 5 is movable back and forth.
- the book lies on the carrying device 3 the spine down and the two book covers to the side so that the Paper sheets 6 are free upwards.
- At the treatment tank 1 is one Vacuum pump 7 connected.
- nozzles 8 are provided, which are optionally connected to a branch member 9
- Compressor means 10 for warm cleaning air, to a compressor means 11 for Water drop / air mixture and a compression agent 12 for active substance / air mixture can be connected.
- the treatment kettle 1 is via intermediate means 13 functionally connected to a climate chamber 14, which after insertion of a book 2 'to be treated is tightly sealed all around.
- the climate chamber 14 are a circulating air pump 15, a temperature device 16 and a Moisture device 17 assigned to a desired in the climate chamber Setting the climate with regard to temperature and humidity.
- the climate chamber 14 contains a shelf 20.
- the vacuum pump 7 starts to work sucks 1 air from the treatment kettle and one in the treatment kettle Vacuum, initially 150 mbar. When this reaches negative pressure is, the support device 3 begins, according to the double arrow 5 oscillate. At the same time 10 compressed air from the compressor means Injected nozzles 8, the compressed air to a warm air temperature of z. B. is heated to 40 ° C. Through the oscillation and the compressed air the sheets of paper 6 are fanned out. The vacuum pump 7 is still on Working, sucks out air with accumulated dirt and keeps a reduced one Negative pressure of z. B.
- the Carrier 3 is with the book 2 on the door 18 from the Treatment kettle 1 removed and by means of intermediate means 13 through a door 19 brought into the climate chamber 14.
- Book 2 'remains during one sufficient ripening time e.g. a week in climate chamber 14, in the a predetermined temperature-humidity climate by means of the circulating air pump 15, the Temperature device 16 and the moisture device 17 is maintained.
- the book 2 'lies on the shelf 20 in the closed state.
- the book is in the treatment tank 1 on the support device.
- the door closed automatically and is pressed onto a boiler flange.
- the vacuum pump 7 starts and a valve 2.2. opens.
- the extracted air is distilled Water in an air washer 3.0. directed to clean this exhaust air. is reached a pressure of 150 mbar absolute in the treatment tank 1, the catches Carrying device by means of the book car engine with the back and forth Movement on and at a first speed.
- injection valves 6.3.2., 6.4.2., 6.5.2. and 6.6.2. are opened to push active ingredient that themselves in storage containers 6.3., 6.4., 6.5. and 6.6. located. Be at the same time Blow-out valves 6.3.3., 6.4.3., 6.5.3. and 6.6.3. opened for active ingredient and the Active ingredient is injected through the nozzles 1.8.1., 1.8.2., 1.8.3. and 1.8.4. on the paper sheets of the book evenly distributed.
- Now open the valves 4.3.1.1. 4.3.2.1., 4.3.3.1. and 4.3.4.1. and 1,660 mg of distilled water are added per nozzle evenly and finely atomized on the paper sheets.
- the circuit diagram according to FIG. 2 also shows a compressor means 10 for warm ones Compressed air of 40 ° C, a pressure reducing valve 1.3. and a control line 1.4. with a control valve 1.5 .. A distributor 1.7., a Control line 4.2.1. with a pressure reducing valve 4.2., valves 6.5.1. and 6.6.1. for active ingredient, a line 7.1. for pressure equalization, a distributor 6.1., reservoir 6.3. and 6.4. for active ingredient and valves 6.3.1. and 6.4.1. for active ingredient.
- the carrying device 3 is provided on a short book carriage 21, which consists essentially of four wheels 22 and a frame 23 and runs on rails, not shown, in the treatment tank 1.
- the climatic chamber 14 contains more than two stacked shelves 20 and the books 2 'shown are as it is corresponds to practice, different sizes.
- the device according to FIGS. 4 to 6 comprises a treatment tank 1, which consists of there are five boiler units 24, which are assembled in pairs in assembly areas 25 are.
- One outer boiler unit 24 is provided with the door 18 and the other outer boiler unit is provided with an end wall 26.
- Each boiler unit 24 stands on its own legs 27.
- Each boiler unit 24 is in a central area with a couple, seen in height provided by rails 28 which collide at the assembly areas 25 and total splints that extend along the entire treatment kettle 1 extend.
- the wheels 22 of a wagon 21 roll on the rails 28 and it is a short book carriage 21 is arranged on each boiler unit 24, the Book trolleys are not mechanically connected to each other.
- Any book cart 21 is assigned to a book car motor 4 in the boiler unit 24, which has a Output 29 works on a drive rail 30 which sits on the book carriage 21.
Landscapes
- Paper (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2001139517 DE10139517A1 (de) | 2001-08-10 | 2001-08-10 | Verfahren und Vorrichtung zum Entsäuern von Büchern |
| DE10139517 | 2001-08-10 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1283300A2 true EP1283300A2 (fr) | 2003-02-12 |
| EP1283300A3 EP1283300A3 (fr) | 2004-10-13 |
| EP1283300B1 EP1283300B1 (fr) | 2012-09-12 |
Family
ID=7695147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20020012965 Expired - Lifetime EP1283300B1 (fr) | 2001-08-10 | 2002-07-01 | Procédé et dispositif de déacidification de livres |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1283300B1 (fr) |
| DE (1) | DE10139517A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK287856B6 (sk) | 2008-06-09 | 2012-01-04 | Gabriela Katuscakova | Method of modification of documents, especially paper documents, books, archive documents and others sheet materials |
| CN102182115A (zh) * | 2011-01-30 | 2011-09-14 | 张美芳 | 一种用罐装喷剂对纸张去酸的方法及工艺 |
| CN108642965B (zh) * | 2018-05-15 | 2020-02-07 | 中国科学技术大学 | 一种电吸附法纸张脱酸的方法 |
| CN116065421B (zh) * | 2023-03-03 | 2024-04-05 | 北京理工大学 | 一种用于酸化纸质文献脱酸处理的氧化镁/碳酸钙纳米复合材料及其制备方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4863566A (en) | 1988-04-26 | 1989-09-05 | Warren Morris J | Process for the preservation of printed cellulosic materials |
| DE19751673C1 (de) | 1997-11-21 | 1999-09-23 | Damir Turkovic | Verfahren und Vorrichtung zur Entsäuerung von Büchern oder dergleichen |
| WO2000073584A1 (fr) | 1999-05-27 | 2000-12-07 | Universidad Politecnica De Cataluña | Appareil et procede de desacidification en masse, d'elimination de l'acidite libre et de desinfestation de matieres cellulosiques |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2949677A (en) * | 1956-07-30 | 1960-08-23 | Magnetic Heating Corp | Dielectric drying of materials |
| US4522843A (en) * | 1984-01-25 | 1985-06-11 | Kundrot Robert A | Deacidification of library materials |
| DE3904111A1 (de) * | 1989-02-11 | 1990-08-16 | Battelle Institut E V | Verfahren und vorrichtung zur umweltfreundlichen massenentsaeuerung von buechern und anderen papiererzeugnissen |
| DE4436635C2 (de) * | 1994-10-13 | 1997-08-14 | Oswald Dr Bell | Verfahren sowie Vorrichtung zur Entsäuerung von Druck- und Papiererzeugnissen aller Art |
-
2001
- 2001-08-10 DE DE2001139517 patent/DE10139517A1/de not_active Withdrawn
-
2002
- 2002-07-01 EP EP20020012965 patent/EP1283300B1/fr not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4863566A (en) | 1988-04-26 | 1989-09-05 | Warren Morris J | Process for the preservation of printed cellulosic materials |
| DE19751673C1 (de) | 1997-11-21 | 1999-09-23 | Damir Turkovic | Verfahren und Vorrichtung zur Entsäuerung von Büchern oder dergleichen |
| WO2000073584A1 (fr) | 1999-05-27 | 2000-12-07 | Universidad Politecnica De Cataluña | Appareil et procede de desacidification en masse, d'elimination de l'acidite libre et de desinfestation de matieres cellulosiques |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1283300B1 (fr) | 2012-09-12 |
| DE10139517A1 (de) | 2003-02-20 |
| EP1283300A3 (fr) | 2004-10-13 |
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