Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1991-11-27
1993-05-18
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239119, 239447, 2395811, B05B 1502
Patent
active
052113353
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a nozzle for spray tubes, and in particular, for spray tubes used in the paper and wood pulp industry to clean filters. Such spray nozzles are commonly utilized in a spray water system where the function of the nozzle is to form a spray jet from liquid contained in a spray tube and direct the spray against a filter cloth to be cleaned or flushed.
Usually, the spray water used to clean the filter cloth contains fibers and other particles, such as metal pieces, plastic pieces etc., since the spray water is recycled many times for cleaning the filter cloth. In order to prevent the nozzles from becoming clogged due to impurities in the spray water, expensive equipment can be installed to clean the water before it reaches the nozzles. This equipment may include spray water filters, bow sieves, or other means for removing unwanted debris from the water. However, in some cases no separate cleaning equipment is installed to clean the spray water before it reaches the spray nozzles and, as a result, the spray nozzles often need to be dismounted for cleaning.
Nozzle cloggings caused by impurities are often the result of some particle larger than the hole in the outlet of the nozzle creating a partial obstruction within the nozzle. When this happens, additional debris, will be unable to pass through the partial obstruction and will begin to form a plug. As spray water continues to pass through the nozzle, the plug grows far into the tube, upstream from the nozzle, until liquid no longer can pass.
In order to clean ordinary nozzles, a valve upstream from the nozzle must be closed and the nozzle must be dismounted before the plug can be removed. Finally, the valve is closed and the nozzle again is installed. The valve may then be reopened and the nozzle is operative. This known method involves interruptions in the operation of the cloth filter cleansing machine in which the nozzles are installed and is therefore an expensive aspect of the machine.
The present invention is designed to alleviate the problems caused by use of nozzles of the prior art and allows efficient and economical removal of debris from both the nozzle and spray tube.
SUMMARY OF THE INVENTION
The invention relates to a nozzle formed and arranged for cleaning during operation. It includes a nozzle head and a rotatable means having a conical hole positioned in the nozzle head between the spray tube and the nozzle outlet for forming a spray jet. The rotatable means is sealingly arranged in the nozzle body such that it may be positioned to allow a spray to pass from the spray tube to the nozzle outlet or may be placed in one of two additional positions to allow cleaning of the conical hole and spray tube. The invention minimizes the need to temporarily discontinue filter spray operations when cleaning the spray tube and nozzle and involves considerably less expense than the installation of spray water purification systems to eliminate the debris in the spray water.
DESCRIPTION OF DRAWING
FIG. 1 is a substantially central section through one embodiment of a nozzle according to the invention;
FIG. 2 is a corresponding section perpendicular to the section in FIG. 1;
FIGS. 3-5 illustrate in corresponding sections as FIG. 2 different cleaning positions; and
FIGS. 6 and 7 illustrate another embodiment of a nozzle according to the invention.
DETAILED DESCRIPTION OF THE INVENTION
The nozzle constructed in accordance with the present invention is shown in FIGS. 1-6. In FIG. 1, the nozzle includes a nozzle head 5 connected to a spray tube 10. The spray liquid or the spray water flowing toward the nozzle is marked with arrow A and spray jets discharged from the nozzle are marked with the letter B. A spray shaping element 9 is furthermore connected, preferably replaceably connected, to the nozzle head 5, opposite the tube 10, for obtaining a desired spray pattern.
A rotatable element 2 is journalled with the spray body 5 between seals 8 and formed with a substantially conical through hole 1. In t
REFERENCES:
patent: 390474 (1888-10-01), Greene et al.
patent: 700009 (1902-05-01), Bean
patent: 3116882 (1964-01-01), Vork
patent: 3202360 (1965-08-01), O'Brien
patent: 3528611 (1970-09-01), Watson
patent: 3539106 (1970-11-01), Ramik
patent: 3955763 (1976-05-01), Pyle et al.
patent: 4116386 (1978-09-01), Calder
patent: 4676435 (1987-06-01), Nesland
patent: 4819872 (1989-04-01), Rosenberg
Grant William
Kashnikow Andres
Kvaerner Eureka A/S
LandOfFree
Nozzle for spray tubes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Nozzle for spray tubes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nozzle for spray tubes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-799287