EP2043792B1 - System for continuous treatment - Google Patents

System for continuous treatment Download PDF

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Publication number
EP2043792B1
EP2043792B1 EP06842330.0A EP06842330A EP2043792B1 EP 2043792 B1 EP2043792 B1 EP 2043792B1 EP 06842330 A EP06842330 A EP 06842330A EP 2043792 B1 EP2043792 B1 EP 2043792B1
Authority
EP
European Patent Office
Prior art keywords
showers
paper
pressure
container
feed pipe
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.)
Active
Application number
EP06842330.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2043792A1 (en
Inventor
Ricardo Reis De Carvalho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PL06842330T priority Critical patent/PL2043792T3/pl
Publication of EP2043792A1 publication Critical patent/EP2043792A1/en
Application granted granted Critical
Publication of EP2043792B1 publication Critical patent/EP2043792B1/en
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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Classifications

    • 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
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • 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
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • 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
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00—Other cleaning aspects applicable to all B08B range
    • B08B2230/01—Cleaning with steam

Definitions

  • the present invention patent deals with a system destined for continuous treatment of felts and screens in paper and cellulose machines, in a differentiated manner, and also the cleaning of other parts of the same machines at regular intervals, such as structures, tanks, hoods, floors, etc, utilizing applications of heated and pressurized chemical solution or homogenized enzymes, which are applied in association or separately.
  • the same system can also be applied in machines in other segments such as those utilized in the food, textile, transportation, asbestos, paint, aviation or metal industry, etc, both continuously and intermittently, on the respective equipment and parts thereof.
  • the development in question utilizes the application of chemical products or enzymes for treating the machines or parts thereof, continuously or intermittently, providing the solution at predetermined levels for the appropriate concentration, thus forming a homogenized mixture that is heated and pressurized.
  • the system is composed of a set of parts, and prominent among these are one or more tanks for storing and feeding chemical products or enzymes, which may or may not be associated with thermodynamic equipment that combines water, steam and chemical products, to produce a potent homogenized solution that is heated an pressurized, which is directed towards the showers or ejector devices, which may or may not be used together, and which are strategically positioned on the machines to be treated, or the parts thereof.
  • a cleaning equipment for cleaning a moving surface particularly in a paper machine includes a washing head with a chamber in it opening onto the surface to be cleaned and nozzle elements arranged inside the chamber.
  • the cleaning equipment also includes vacuum means and removal means.
  • WO9513422 an oscillator for tubular spray which is intended in particular for washing the wires of paper machines with a cleansing liquid.
  • the oscillator includes a drive means which generates a reciprocatory linear movement and which is connected with at least one washing-jet delivery inner tube of the tubular spray.
  • the system consists of a principal water feed pipe (1) from which a lead line (2) for fresh water goes out to the set, passing through filters (3) and stored in the tank (4), and is taken through the pressure-raising and pressure maintenance pump (5).
  • a principal pipe (6) for steam feed which is led through the line (T) to the system, passing through a device for extracting condensate (8) and then through the steam filter (9).
  • the feed pipes (12) for these go out to the system.
  • the first line goes through the dosing pump (13) and flow measuring device (14), and the two pipes (12) are led to the protection chamber, with a support structure and external indicator panel (16).
  • the thermal injector pumps or heat exchangers with a high-pressure pump are housed, with outputs in pipelines leading the pressurized chemical solution (17) to the showers with internal telescopic fit guides (18), ejector devices (22) or spraying devices (23), for spraying out the cleaning product.
  • the tubular showers (18) are provided with sliding internal cylinders (20), in which the spraying nozzles are attached (21).
  • the system has provision for optional use of adaptations of ejector devices (22) or spraying devices (23), together with the showers (18), which are all destined for the outlet from the pipelines (17) that lead the pressurized chemical solution. These may be destined, respectively, for cleaning the felts and screens in paper and cellulose machines, other parts of these machines or, additionally, other equipment.
  • These devices have the purpose of reducing the quantity of water utilized in the system, improving the water quality and stabilizing the pressure of the water admitted into the thermal pumps or heat exchangers with high-pressure pumps.
  • the quantity of water utilized in the system can be reduced as the quality of the water is improved, since this provides a reduction in the quantity of contaminant and also reduces the size of these elements, and thus the ejector nozzles for the chemical solution in the showers can have smaller diameters and consequently this gives rise to lower consumption of the sprayed chemical solution, and therefore lower water consumption.
  • the device (14) provided for in the following may be a measuring glass, rotameter or any type of flow measuring device (electromagnetic or other).
  • the utilization of the dosing pump can be done away with when the thermal injector pump is utilized, since this sucks in the chemical product directly.
  • the dosing pump (13) needs to be used for the chemical product.
  • thermal injector pumps 15 or heat exchangers, together with the high-pressure pumps, work in parallel, thereby allowing the fabrics of the paper or cellulose machines to be treated individually and in a personalized manner.
  • the system can start to attend to several fabrics simultaneously, thus allowing the control conditions for temperature, pressure, outflow of the solution and dosing of chemical products and/ or enzymes to be done differently for each of them.
  • shower devices with internal telescopic fit guides have been incorporated into the present development.
  • These showers are constructed with a double body, i.e. an external one that is attached to the structure of the machine that will be treated and an independent internal one in which the spray nozzles and respective guides for removal and insertion are located.
  • the internal part of the shower is removed for corrective maintenance (for example cleaning of the nozzles, joints, etc) by the personnel in charge of the paper or cellulose machines while in operation, so that their production is not interrupted, and such maintenance can be carried out by this personnel, without the need for specialized labor.
  • corrective maintenance for example cleaning of the nozzles, joints, etc
  • Devices have been, incorporated for reducing the temperature and pressure of the solution utilized and for simultaneous utilization of other chemical products and/or enzymes (with or without mixing), for application to certain parts of the paper and cellulose machines, which will be treated in different manners.
  • These devices are placed in strategic intermediate positions in the system, and each of them is composed of parts shown in the diagram of the set, and the temperatures are reduced from the range of 75°to 90°Cto 40°to 60°C and the pressures from 7 to 25 bar to 1 to 6 bar.
  • the system based on the equipment now developed aims to eliminate a series of technical problems at present faced by paper manufacturers, with the objective of increasing the productivity of the machines and improving the quality of the final product, without any harm to the environment.
  • the integrated and optimized application of the three components result in better performance for the system, for continuous treatment of the fabrics of paper and cellulose machines, thereby ensuring the operational benefits of: stability in the operation of the machine and a notable reduction in the number of breakages in the processed sheets; reduction in the time lost through interruptions in paper production for cleaning the fabrics, rollers, boxes, etc; better quality of the sheets obtained, with regard to their formation, uniformity and resistance.

Landscapes

  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Treatment Of Fiber Materials (AREA)
EP06842330.0A 2006-07-26 2006-07-26 System for continuous treatment Active EP2043792B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06842330T PL2043792T3 (pl) 2006-07-26 2006-07-26 System do obróbki ciągłej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2006/003892 WO2008012597A1 (en) 2006-07-26 2006-07-26 System for continuous treatment

Publications (2)

Publication Number Publication Date
EP2043792A1 EP2043792A1 (en) 2009-04-08
EP2043792B1 true EP2043792B1 (en) 2016-05-04

Family

ID=38512392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06842330.0A Active EP2043792B1 (en) 2006-07-26 2006-07-26 System for continuous treatment

Country Status (6)

Country Link
EP (1) EP2043792B1 (pt)
CN (1) CN101272872B (pt)
ES (1) ES2586427T3 (pt)
PL (1) PL2043792T3 (pt)
PT (1) PT2043792T (pt)
WO (1) WO2008012597A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009003650A1 (de) 2009-03-20 2010-09-30 Degudent Gmbh Verfahren zum Herstellen eines Abutments
CN102734115A (zh) * 2011-04-07 2012-10-17 上海东冠纸业有限公司 一种用于造纸机的多级高压水泵系统
CN103669079A (zh) * 2012-09-10 2014-03-26 国能纸业有限公司 用于长网多缸造纸机上的网部清洗系统
CN111295476B (zh) * 2017-06-28 2023-01-10 凯登公司 提供补偿力矢量的扇形喷嘴的系统和方法
CN110153399A (zh) * 2017-12-25 2019-08-23 霍山县忠福机电科技有限公司 铸件清砂高压清洗机
CL2021000268A1 (es) * 2020-02-05 2021-08-20 Reis De Carvalho Ricardo Sistema híbrido para el control de contaminantes de procesos industriales
CN116921303A (zh) * 2023-07-18 2023-10-24 浙江交工交通科技发展有限公司 酸蚀试验用试件清洗装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227460B1 (en) * 1999-02-18 2001-05-08 Sparkle International, Inc. Self-contained cleaning system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501897C2 (sv) 1993-11-10 1995-06-19 Stig Toeyrae Teknik Ab Oscillator för spritsrör
CN1113977A (zh) * 1994-06-17 1995-12-27 徐春根 高温高压自动精炼卷染机
US6129099A (en) * 1997-09-17 2000-10-10 Foster; James B. Pallet washing apparatus and method
FI110761B (fi) 2002-03-22 2003-03-31 Metso Paper Inc Puhdistuslaitteisto liikkuvan pinnan puhdistamiseksi erityisesti paperikoneessa

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227460B1 (en) * 1999-02-18 2001-05-08 Sparkle International, Inc. Self-contained cleaning system

Also Published As

Publication number Publication date
CN101272872A (zh) 2008-09-24
WO2008012597A1 (en) 2008-01-31
ES2586427T3 (es) 2016-10-14
CN101272872B (zh) 2012-05-30
EP2043792A1 (en) 2009-04-08
PT2043792T (pt) 2016-09-06
PL2043792T3 (pl) 2017-01-31

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