JPH0731186U - Water purifier - Google Patents

Abstract

(57) [Summary]【Purpose】 A water purifier with a long activated carbon life without short circuits in the water channel
provide. 【Constitution】 The gist of the present invention is to have a granular filter medium,
Water that is installed with the water flow direction at an angle to gravity
In a filter vessel, parallel to the water flow direction
It is in a water purifier with a partition.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention allows tap water and other raw water to pass through the filter medium in the water purifier to remove odorous substances such as chlorine and 2-MIB contained in the raw water, and harmful organic compounds such as trihalomethane and pesticides. A new water purifier for supplying delicious and safe water.

[0002]

[Prior art]

 In recent years, rivers and soils that are the source of drinking water have been contaminated with pesticides, industrial wastewater, etc., and tap water and well water may contain trace amounts of substances harmful to the human body and substances that impair the taste of water. It has been reported. In order to remove these substances, water purifiers using various filter media such as activated carbon, ion exchange resins, coral sand, ceramics, rocks, etc. are widely used.

There is no problem when using fibrous or shaped filter media, but when using granular filter media, they must be filled into the cartridge without creating voids. In a water purifier that is installed so that the direction of water flow inside the filter medium is at an angle with respect to gravity, this gap causes the difference in the thickness above and below the filter medium.

The pressure loss is low in the thin portion of the filter medium, the pressure loss is high in the thick portion of the filter medium, and a difference in the flow velocity occurs above and below the filter medium, and sufficient contact with the filter medium occurs in the high velocity portion. Will not be made. Therefore, the capacity of the filter medium is not fully drawn out, and breakthrough of the substance to be removed occurs from an early stage.

However, when trying to bond the lid with the granular filter medium filled up to the full volume, the filter medium particles are likely to be caught in the bonded portion, and as a result, adhesion failure occurs and mass production is difficult. . If the granular filter media is simply poured in at the time of filling, the gaps between the particles will be large, and the packing will become dense and form voids when subjected to vibration or when water is passed.

[0006]

[Problems to be solved by the device]

 The present invention is capable of densely filling granular filter media without voids.

[0007]

[Means for Solving the Problems]

 The gist of the present invention is a water purifier that has a granular filter medium and the water flow direction inside the filter medium is angled with respect to gravity. It is a water purifier characterized by having a wall.

In the filter medium divided by the partition walls, the voids are also divided by the partition walls, and the difference in the thickness of the filter medium between the individual voids is small, and therefore the difference in the vertical flow velocity is also small.

Hereinafter, the present invention will be described in detail with reference to the drawings. Here, FIG. 1 is a sectional view of a water purifier 1 according to an embodiment of the present invention. FIG. 2 shows a conventional water purifier. By connecting the water intake port 5 to the faucet, the raw water is introduced into the cartridge 2 and discharged as fresh water through the activated carbon layer 3 divided by the partition wall → the hollow fiber membrane 4 → the fresh water port 6.

The partition walls are arranged so that the activated carbon is divided horizontally, but for cartridges that are mounted so that the mounting positions are not fixed, the partition walls are provided not only in the horizontal direction but also by crossing 90 degrees. The purpose can be achieved by doing so. One or more partition walls are properly installed depending on the size of the cartridge, but the number of partition walls should be determined in consideration of the decrease in internal volume due to the large number of cartridges.

Water containing 2.0 ppm of chlorine was passed through a water purifier of the present invention having a layer of activated carbon having a partition wall and a conventional water purifier at a flow rate of 2 liters / minute to compare chlorine removal performances. The results are shown in Table 1. As the cartridge used in this example, a cylindrical one having a diameter of 45 mm and a length of 50 mm was used, and three partition walls were attached so as to be divided into four in the diameter direction.

[0012]

[Table 1]

Looking at the chlorine concentration in fresh water against the cumulative flow rate, it can be seen that the water purifier of the present invention has a higher chlorine removal capacity than the conventional water purifier.

[0014]

[Effect of device]

 According to the present invention, even if the filter medium filling portion of the water purifier cartridge has a gap, the space of the cartridge is divided by attaching the partition wall, and a water purifier having a long life without short-circuiting the water channel can be provided. .

[Brief description of drawings]

FIG. 1 is a sectional view of a water purifier according to an embodiment of the present invention.

FIG. 2 is a sectional view of a conventional water purifier.

FIG. 3 is an example of a sectional view of a water inlet of the water purifier cartridge of the present invention.

FIG. 4 is an example of a sectional view of a water inlet of the water purifier cartridge of the present invention.

[Explanation of symbols]

 1 Water purifier 2 Cartridge 3 Activated carbon layer with partition wall 4 Hollow fiber membrane 5 Intake port 6 Clean water port

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[Procedure amendment]

[Submission date] June 16, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 2

[Correction method] Change

[Correction content]

[Fig. 2]

Claims (1)

[Scope of utility model registration request] 1. A water purifier having a granular filter medium, wherein the water flow direction inside the filter medium is angled with respect to gravity.
A water purifier characterized in that a partition wall is provided in the filter medium filling portion in parallel with the water flow direction.