EP0487488A2 - Procédé, détergent, des corps de nettoyage et l'utilisation d'un détergent pour le nettoyage de pièces de fabrication - Google Patents

Procédé, détergent, des corps de nettoyage et l'utilisation d'un détergent pour le nettoyage de pièces de fabrication Download PDF

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Publication number
EP0487488A2
EP0487488A2 EP91890247A EP91890247A EP0487488A2 EP 0487488 A2 EP0487488 A2 EP 0487488A2 EP 91890247 A EP91890247 A EP 91890247A EP 91890247 A EP91890247 A EP 91890247A EP 0487488 A2 EP0487488 A2 EP 0487488A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
workpieces
bodies
agent
cleaning liquid
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.)
Withdrawn
Application number
EP91890247A
Other languages
German (de)
English (en)
Other versions
EP0487488A3 (en
Inventor
Friedrich Dipl.-Ing. Dr. Samhaber
Johann Auzinger
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.)
Industrieanlagen-Planungs- und Handelsgesellschaft Mbh
Original Assignee
Industrieanlagen-Planungs- und Handelsgesellschaft Mbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Industrieanlagen-Planungs- und Handelsgesellschaft Mbh filed Critical Industrieanlagen-Planungs- und Handelsgesellschaft Mbh
Publication of EP0487488A2 publication Critical patent/EP0487488A2/fr
Publication of EP0487488A3 publication Critical patent/EP0487488A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B08B9/0552—Spherically shaped pigs
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies

Definitions

  • the invention relates to a method for cleaning workpieces with at least one cavity and / or spaces between workpieces with the aid of cleaning fluids.
  • aqueous degreasing agents in most cases require mechanical support e.g. by brushing, wiping or increased spray nozzle pressure. Organic solvents do not need this mechanical support.
  • a typical example for the latter case is the degreasing of workpieces with cavities that are difficult to access, undercuts etc.
  • Such methods or cleaning bodies are such. B. from DE-PS 473 695, DE-OS 3 233 941, DE-OS 3 015 516, DE-OS 3 130 679, DE-OS 2 026 502, DE-OS 3 803 045, DE-PS 418 462 and FR-PS1 214 853.
  • the object of the invention is to largely reduce or avoid the disadvantages of the type described.
  • this object is achieved in that solid cleaning bodies are added to the cleaning liquid and that the cleaning liquid is conveyed with the cleaning bodies through the cavities, over the outer surfaces and / or through spaces between the workpieces.
  • the cleaning effect of the method according to the invention can be improved in that the cleaning liquid with the cleaning bodies is conveyed at a speed through the cavities, over the outer surfaces and / or through spaces between the workpieces at which a turbulent flow arises.
  • the cleaning bodies are set in rapid rotation by the preferably turbulent flow, whereby the special cleaning effect is achieved.
  • aqueous degreasing agent and cleaning bodies can not only be treated with a single pipe, but can also be applied to the entire pipe bundle at the same time and thus cleaned.
  • the workpieces to be cleaned and / or the cleaning liquid with the cleaning bodies for example by ultrasound, hydroson or the like. are set in vibration, because in many cases the pulsating flow of the aqueous cleaning liquid can further improve the cleaning effect.
  • all methods in which pressure waves or oscillations and / or vibrations occur in the wash items can be used.
  • a cleaning agent containing a cleaning liquid in particular for carrying out the method according to the invention, can be characterized according to the invention in that solid cleaning bodies are added to the cleaning agent, the cleaning liquid being an organic solvent or an aqueous cleaning agent, in particular a degreasing agent.
  • the cleaning bodies have a size between 5 and 90% of the size of the cavity of a workpiece.
  • a solid cleaning body which is to be admixed to a liquid for cleaning workpieces with at least one cavity and / or spaces between workpieces and / or outer surfaces of workpieces, can be characterized in that the cleaning body has a spherical, spherical or irregularly curved surface Is a polygon or a crook. If this cleaning body flows through the cavities of the workpiece in the cleaning liquid and thereby rotates, then it supports with its rubbing or scraping effect on the cavity wall the cleaning effect of the detergent.
  • the cleaning effect can be improved in that the surface of the cleaning body has recesses, in particular swirl channels, swirl furrows or cutouts.
  • a very simple and effective form of the cleaning body is obtained in that it is formed from at least two platelets which preferably intersect at an angle of 90 °.
  • the abrasion-resistant, chemical-resistant material in particular silicone rubber, polyurethane or modified chloroprene rubber, then its wear is reduced and it can be used several times.
  • the cleaning body 1 shown in Fig. 1 consists of three circular disks 2, 3 and 4 which intersect at right angles along lines 5, 6 and 7.
  • the continuous outer contour 8 of the discs 2, 3 and 4 thus forms a spherical outline.
  • the cleaning body 9 shown in FIG. 2 corresponds essentially the cleaning body 1 shown in FIG. 1, but it has a hole 10 in its center, which facilitates the self-cleaning of the cleaning body 9.
  • FIG. 3 shows a cleaning body 11 which essentially has the basic shape of the cleaning bodies 1 and 9 shown in FIGS. 1 and 2, that is to say has three disks 12, 13 and 14 which intersect at right angles. However, these disks 12, 13 and 14 are not circular disks, but have corners 15 on their circumference to increase the cleaning effect.
  • FIG. 4 shows a cleaning body 16 which is formed from a plurality of plates 17 to 22 which are partly at an angle of 90 ° (for example the plates 19 and 20) and partly at an angle not equal to 90 ° (for example the plates 21 and 22 ) to cut.
  • the contour surface 23 formed by all of the platelets 17 to 22 is again a spherical surface, apart from the free spaces between the platelets 17 to 22.
  • the cleaning body 24 shown in FIG. 5 has a spherical base body 25, into which a plurality of swirl channels or swirl grooves 26 are incorporated, which can have different depths depending on the intended use.
  • the cleaning bodies shown in FIGS. 1 to 5 all have a spherical basic shape. However, it is also possible that these cleaning bodies have a different rotationally symmetrical outline shape, e.g. that of an ellipsoid of revolution, but also that of an arbitrarily formed body with limited curvature.
  • the cleaning bodies of FIGS. 1 to 4 are formed from square, rectangular or polygonal platelets.
  • Cylinders or cubes or rotary bodies shaped like water wheels which preferably consist of one piece, but can also be composed of several pieces, can be used as cleaning bodies.
  • FIG. 6 shows an example of a cleaning body 27, which is constructed from three plates 28, 29 and 30 which intersect at right angles.
  • This cleaning body 27 has a particularly aggressive cleaning effect due to its shape with sharp corners and edges.
  • a mixture of alkaline washing liquid (Alputex 5050 from Henkel as a 7% solution with the addition of 2 Vol .-% NE mixture from Henkel) and cleaning bodies of the shape of Fig. 1 made of silicone rubber with a diameter of 4 mm passed at such a high speed that a turbulent flow arises on the inner walls of the pipe.
  • the inner surfaces of the pipes are completely degreased after a treatment time of 20 min.
  • Example 2 The procedure is as given in Example 2, but bundles of stainless steel tubes with an outer diameter of 25 mm and a wall thickness of 0.9 mm, which are treated with stainless steel bonder (188A from Chemetall), neutral and drawing grease (KUBITRAC 321 from Kuhbier), subjected to cleaning. 5 used have a diameter of 7 mm. At a temperature of 60 ° C, the inner surfaces of the pipes are completely cleaned after a treatment period of 10 min.
  • Example 2 The procedure is as described in Example 2, but bundles of stainless steel tubes with an outside diameter of 6 mm, an inside diameter of 4 mm and a length of 20 m, which are pretreated as in Example 2, are subjected to cleaning.
  • the cleaning bodies used in the form of FIG. 4 have a diameter of 3 mm.
  • the temperature, the treatment time and the degree of cleaning correspond to the values given in Example 2.
  • a test piece of the pipe to be checked can be extracted with perchlorethylene in an extraction device, the extract concentrated and measured. The carbon content is then measured and compared with a blank sample. Degreasing is sufficient if the residual oil content does not exceed 0.75 mg / 100 cm2 workpiece surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP19910890247 1990-10-19 1991-10-17 Method, cleaning agent, cleaning bodies and use of a cleaning agent for the cleaning of workpieces Withdrawn EP0487488A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2110/90 1990-10-19
AT211090A ATA211090A (de) 1990-10-19 1990-10-19 Verfahren, reinigungskörper und reinigungsmittel zum reinigen von werkstücken

Publications (2)

Publication Number Publication Date
EP0487488A2 true EP0487488A2 (fr) 1992-05-27
EP0487488A3 EP0487488A3 (en) 1993-01-27

Family

ID=3527994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910890247 Withdrawn EP0487488A3 (en) 1990-10-19 1991-10-17 Method, cleaning agent, cleaning bodies and use of a cleaning agent for the cleaning of workpieces

Country Status (2)

Country Link
EP (1) EP0487488A3 (fr)
AT (1) ATA211090A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865629A (zh) * 2010-07-06 2010-10-20 北京化工大学 一种换热管用内压膨胀式螺旋胶球
CN101881575A (zh) * 2010-07-06 2010-11-10 北京化工大学 一种换热管用透空结构无规运动胶球
CN101886892A (zh) * 2010-07-06 2010-11-17 北京化工大学 一种流弹形自清洁强化传热元件
FR3139485A1 (fr) * 2022-09-09 2024-03-15 Decolletage Etablissements Saddier Robert Et Fils Sa Agent de nettoyage d’un récipient comprenant des billes de nettoyage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR550537A (fr) * 1922-04-22 1923-03-12 Dispositif pour le nettoyage des tubes ou autres conduits ou vases
DE1085060B (de) * 1958-08-23 1960-07-07 Neubecker Fa C A Reinigungskoerper als Zusatz zur Reinigungsfluessigkeit in Gefaessreinigungsmaschinen
EP0053355A1 (fr) * 1980-12-01 1982-06-09 ALSTHOM-ATLANTIQUE Société anonyme dite: Elément de nettoyage et installation de nettoyage mettant en oeuvre cet élément
JPS6199100A (ja) * 1984-10-19 1986-05-17 Fuji Heavy Ind Ltd 排気ガス熱交換器
JPS61149797A (ja) * 1984-12-21 1986-07-08 Bridgestone Corp スケ−ル除去ボ−ル
EP0220347A1 (fr) * 1983-11-23 1987-05-06 Superior I.D. Tube Cleaners Inc. Dispositif de nettoyage de la paroi interieure d'un tube
GB2207972A (en) * 1987-08-01 1989-02-15 Shizuo Sagawa Cleaning pigs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR550537A (fr) * 1922-04-22 1923-03-12 Dispositif pour le nettoyage des tubes ou autres conduits ou vases
DE1085060B (de) * 1958-08-23 1960-07-07 Neubecker Fa C A Reinigungskoerper als Zusatz zur Reinigungsfluessigkeit in Gefaessreinigungsmaschinen
EP0053355A1 (fr) * 1980-12-01 1982-06-09 ALSTHOM-ATLANTIQUE Société anonyme dite: Elément de nettoyage et installation de nettoyage mettant en oeuvre cet élément
EP0220347A1 (fr) * 1983-11-23 1987-05-06 Superior I.D. Tube Cleaners Inc. Dispositif de nettoyage de la paroi interieure d'un tube
JPS6199100A (ja) * 1984-10-19 1986-05-17 Fuji Heavy Ind Ltd 排気ガス熱交換器
JPS61149797A (ja) * 1984-12-21 1986-07-08 Bridgestone Corp スケ−ル除去ボ−ル
GB2207972A (en) * 1987-08-01 1989-02-15 Shizuo Sagawa Cleaning pigs

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 277 (M-519)17. Mai 1986 & JP-A-61 099 100 ( FUJI ) *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 353 (M-539)8. Juli 1986 & JP-A-61 149 797 ( BRIDGESTONE ) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865629A (zh) * 2010-07-06 2010-10-20 北京化工大学 一种换热管用内压膨胀式螺旋胶球
CN101881575A (zh) * 2010-07-06 2010-11-10 北京化工大学 一种换热管用透空结构无规运动胶球
CN101886892A (zh) * 2010-07-06 2010-11-17 北京化工大学 一种流弹形自清洁强化传热元件
FR3139485A1 (fr) * 2022-09-09 2024-03-15 Decolletage Etablissements Saddier Robert Et Fils Sa Agent de nettoyage d’un récipient comprenant des billes de nettoyage

Also Published As

Publication number Publication date
ATA211090A (de) 1996-05-15
EP0487488A3 (en) 1993-01-27

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