Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With spaced non-particulate separating means
Patent
1998-09-15
2000-09-19
Simmons, David A.
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With spaced non-particulate separating means
210248, 210275, 210283, 210284, C02F 900
Patent
active
061206865
DESCRIPTION:
BRIEF SUMMARY
This invention refers to a water purifying apparatus for conditioning drinking water from tap water by removing pollutants, especially chloride, chlorinated carbon hydrogen, pesticides, herbicides, insecticides, heavy metals and the nitrates from tap water in order to prepare drinking water for use in the household. Especially, this invention refers to an improved embodiment of a water purifying apparatus which is the subject matter of EP 483 738 of the same Applicant.
Said known water purifying device for removing pollutants comprises a casing with lid, shell and bottom, the lid of which is provided with a water outlet, the bottom of which is provided with a pipe connection to the water inlet, and which includes activated carbon and anion exchange materials through which the tap water to be purified flows in the direction from the water inlet to the water outlet for purified water, is characterised in that the casing is provided with a lower and an upper casing section which are removable from each other,so that the interior of the casing has a first lower chamber with activated carbon and a second upper chamber with anion exchanging material, that the two chambers each are completed by filter fleeces at the top and the bottom, and that the two chambers substantially fill the complete volume of the lower and the upper casing sections.
Compared with this known apparatus, it is an object of the subject invention to improve water purifying apparatuses operated in a most simple and useful manner, and with a minimum of service with different filter media and regenerating devices, in order to obtain an extremely economic solution. Furthermore, it is an object of this invention to propose methods for purifying drinking water as well as for regenerating the filters.
With the proposal according to this invention the cartridges having identical outer dimensions and including different filter media can be assembled from prefabricated machine parts in any manner according to the filter requirements, being inserted into the cylindrical, tubelike filter casing. For inserting and removing the cartridges, it is merely necessary to remove the lid of the apparatus. The lid is formed in such a manner that if the apparatus is turned upside down it can be used as a support means. Furthermore, the lid is provided with a handle similar to each of the cartridges in order to simplify removal and insertion.
Between the individual cartridges and the filter casing a pressure balance is required. Overflow openings are provided within the cartridge casing through which overflowing water passes into the area between the cartridges and the filter casing, which area cannot be rinsed. The overflowing water is exposed to germinate. In order to oppose this procedure of germination, means are provided between cartridge and filter casing including salt in the form of tablets or salt water, which when reacting with the overflow water results in a salt solution which prevents germination and sterilizes the water. For example, one or several salt tablets can be provided at the peripheral wall of the cartridge.
According to a further embodiment of the invention, the drinking water filter in addition is provided with a germ diaphragm, by means of which germs can be filtered. The germ diaphragm is arranged within a casing which as an additional casing underneath the filter casing is connected with the filter apparatus. In order to allow an exchange of the diaphragm the germ diaphragm casing is formed in such a manner that it can be opened.
According to a further embodiment of the invention, the exchangeable filter cartridges are arranged within the filter casing in such a manner that they have a sufficiently large distance from the inner wall of the filter cases so that they can be rinsed.
In order to regenerate the drinking water filter of the water purifying apparatus, and to allow a continuous satisfactory operation, a regeneration device is provided which comprises a salt water container arranged above the filter casing or set onto the lid of t
REFERENCES:
patent: 260106 (1882-06-01), Long
patent: 1685816 (1928-10-01), Kenney
patent: 1698743 (1929-01-01), Sweeney
patent: 2504816 (1950-04-01), De Ville
patent: 5443735 (1995-08-01), Kirnbauer et al.
patent: 5569380 (1996-10-01), Sullivan
Lawrence Frank M.
Simmons David A.
LandOfFree
Water treatment device with drinking water filter, regeneration does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Water treatment device with drinking water filter, regeneration , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water treatment device with drinking water filter, regeneration will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1068888