JPH01176489A - Purifying device - Google Patents

Abstract

PURPOSE:To conduct a current leaking into water inside the body of a water purifying deice from the feeder part of an ultraviolet sterilization lamp, to an area outside the purifying device and thereby prevent an electric shock accident by providing a conductive electric leakage prevention element which covers a submersible ultraviolet sterilization lamp on the lower surface of a supporting plate. CONSTITUTION:A conductive electric leakage prevention element 23 covering an ultraviolet sterilization lamp 19 is provided on the lower surface of a supporting plate 11. This electric leakage prevention element 23 is formed with a conductive reticulate body of at least, 10-mesh size. If a water-cooling jacket 18 and the ultraviolet sterilization lamp 19 on a water purifying device with the electric leakage prevention element 23 are damaged by an external impact and the current leaks into water from the feeder part of the lamp 19, the current is conducted to an area outside the water purifying device through the electric leakage prevention element 23. Consequently, an electric shock accident in a park pond can be prevented to protect fish against fatal electric shock.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a water purification device used in fish culture pond water and the like.

[Conventional technology and its problems]

In fish farming ponds, park ponds, etc., if the water quality deteriorates, it will hinder the growth of fish, and when the water temperature rises in summer and sunlight shines on the water surface, blue-green algae will appear, making the water cloudy and hindering the observation and admiration of ornamental fish. Therefore, in recent years, for example, a water purification device having an ozone injection device and an ultraviolet ray generator as shown in FIG. 3 has been installed to purify the water quality.

That is, a water cooling jacket 4 having an ultraviolet germicidal lamp 3 housed therein is provided at a predetermined interval on a plate-shaped support 2 having a plurality of legs 1, and a lid portion on the top of the water cooling jacket 4 is provided. One end of the vibro is inserted into and supported by the vibro 5, and the other end of the vibro is connected to a part of the ventilation pipe 8 having the rotor blade 7 at the lower end via a connecting pipe 9, and is housed inside the water cooling jacket 4. Ultraviolet rays 254 generated from the ultraviolet germicidal lamp 3
Using nm, it sterilizes various fish-disease bacteria, photo-oxidizes and decomposes organic matter harmful to fish, and kills algal blooms in the water.

In addition, ozone generated by an ultraviolet sterilizing lamp is injected into the water through a ventilation pipe 8 using a rotary blade 7, and the strong oxidizing power of ozone sterilizes various fish pathogens in the water, and further removes nitrite nitrogen, iron, and organic matter in the water. Oxidation or decomposition is being carried out.

By the way, in the same device, if the water cooling jacket 4 or the UV germicidal lamp 3 is damaged due to an unexpected accident such as a pebble in the running water, vibration of the device, or an external impact, the earth leakage breaker connected to the lighting circuit of the UV germicidal lamp will be activated. The structure is such that the power can be turned off.

However, in the unlikely event that the earth leakage breaker does not operate due to a malfunction or the like, current will leak from the power supply part of the ultraviolet germicidal lamp into the water, which is dangerous to humans and can cause fish in the water to die from shock.

Another disadvantage is that when the rotary blade 7 rotates, the fish gets caught up in it, causing damage to the fish.

[Purpose of the invention]

The present invention was invented in view of the above points, and when the water cooling jacket or the ultraviolet sterilizing lamp is damaged and the earth leakage breaker does not operate, the current from the power supply part of the ultraviolet sterilizing lamp is guided to the outside of the water and the human body is To provide a water purification device which is free from the danger of water pollution, reduces shock death of fish, and prevents fish from being caught in rotor blades.

[Means for solving problems]

In order to achieve the above object, the present invention has the following configuration. In other words, a suitable number of ultraviolet germicidal lamps that are immersed in water are installed on the underside of the support plate, and a conductive preventive body is provided on the underside of the support plate and covers the ultraviolet germicidal lamps, and a water cooling jacket and ultraviolet germicidal lamps are provided on the underside of the support plate. In the unlikely event that the lamp is damaged,
If current leaks into the water, the leaked current will not flow outside of the water purification device, but will be guided to the outside of the water purification device so that it can be used safely, and the structure will prevent fish from getting caught in the rotor blades. be.

Next, an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG.

[Embodiment 1] In FIG. 1, reference numeral 11 denotes a support plate constituting the water purification device, which supports, for example, leg portions 12 at both ends and is configured at a predetermined height. Further, the support plate 11 is made of resin, for example. 13 is a stirring device supported in the hole of the support plate 11, and 14 is a hollow ventilation pipe constituting the stirring device 13, which is made of stainless steel, for example. 15 is a rotor blade rotatably provided at the lower end of the ventilation pipe 14,
It is linked to a motor 17 by a support rod 16. Reference numeral 18 denotes an appropriate number of water cooling jackets supported by holes in the outer periphery of the stirring device 13 of the support plate 11, and the number is increased or decreased depending on the amount of water to be treated. Reference numeral 19 denotes an ultraviolet germicidal lamp supported inside the water-cooling jacket 18, and is, for example, about 40 watts. 20 is water-cooled salmon throat 18
It is a hollow pipe having one end protrudingly supported by a mounting plate 21, and the other end is connected to a part of the ventilation pipe 14 via a connecting pipe 22. Reference numeral 23 denotes a conductive earth leakage prevention body provided on the lower surface of the support plate 11 and covering the ultraviolet germicidal lamp 19.The earth leakage prevention body 23 is composed of a conductive net with a size of 10 mesh or more, The earth leakage preventive body 23 is disposed so as to cover the entire outer peripheral side of the lower surface of the lamp 11, and the lower end of the earth leakage preventive member 23 is located below the lower end of the ultraviolet germicidal lamp 19.

Further, as shown in FIG. 1, the earth leakage preventive body 23 may be constructed of a conductive mesh having a size of 10 meshes or more, and may be constructed to cover the entire outer peripheral side of the lower surface and the bottom surface of the support plate.

24 is a ground wire connected to the earth leakage prevention body 23, and 25 is a lid of the earth leakage prevention device.

[Example 2] In FIG. 2, 19 is a support plate 11 constituting a purifying device.
A plurality of double-tube ultraviolet germicidal lamps of about 40 watts are arranged at predetermined intervals toward the bottom surface, and in Embodiment 2, ozone generated from the ultraviolet germicidal lamps is not collected and stirred into the water. No stirring device is provided. The leakage preventive body 23 has the same structure as that shown in the first embodiment.

[Action of the invention]

When the water purification device of Example 1 described above is installed in a park pond, for example, and the ultraviolet sterilizing lamp 19 is turned on and the rotary blade 15 of the stirring device is rotated, the ultraviolet rays of 254 nm generated by the ultraviolet sterilizing lamp 19 cause various fish disease bacteria in the water. is sterilized, organic matter harmful to fish is photooxidized and decomposed, and blue-green algae that occurs in the summer is killed.

Further, ozone generated from the ultraviolet germicidal lamp 19 is injected into the water from the rotary blade 15 through the ventilation pipe 14 and stirred, and the strong oxidizing power of ozone sterilizes various fish pathogens in the water. is oxidized or decomposed.

Further, since the net-like earth leakage preventive body is provided on the outer circumferential side of the lower surface of the support plate, it will not enter the inside of the water purification device, and fish will not be caught in the rotor blade 15 and damaged.

Furthermore, even if the water-cooling jacket 18 or the water-cooling jacket 18 and the UV germicidal lamp 19 are damaged due to an external shock, and current leaks into the water from the power supply part of the UV germicidal lamp 19, it is passed through the conductive earth leakage preventer 23 and the ground wire 24. The leaked current is guided to the outside of the water purification device, and the leaked current does not leak into the water outside the earth leakage preventer 23 (this eliminates the risk of electric shock in the park pond).

Also, according to Example 2, as in Example 1, various fish disease bacteria in water are sterilized by ultraviolet rays from an ultraviolet germicidal lamp,
Organic substances harmful to fish are photooxidized and decomposed, and algae can be killed against algal blooms in the water.

Furthermore, if the ultraviolet germicidal lamp 19 is damaged and current leaks into the water of the park pond, the leakage preventive body 23 guides the leaked current to the outside of the water purification device, as in the first embodiment. There is no leakage into the water outside the preventer 23, and the risk of electric shock in a park pond can be eliminated.

〔Effect of the invention〕

As described above, the present invention provides a suitable number of ultraviolet sterilizing lamps that are submerged in water on the lower surface of a support plate constituting an earth leakage preventive body, and conductive electric leakage lamps are provided on the lower surface of the support plate and covering the ultraviolet sterilizing lamps. Since it is configured with a preventive body, even if the water cooling jacket or ultraviolet germicidal lamp is damaged and current leaks from the power supply into the water, the leaked current can be guided to the outside of the purification device through the leakage preventive body. Since no current flows into the water outside the earth leakage preventive body, it is possible to prevent electric shock accidents in parks, etc., which is safe, and it is possible to prevent fish from dying due to shock.

Also, since the leakage prevention body is provided, it is possible to prevent fish from getting caught in the rotor and getting scratched.

Further, the ultraviolet rays emitted from the ultraviolet sterilizing lamp sterilize various fish-pathogenic bacteria in the water, photooxidize and decompose organic matter harmful to fish, and kill algae against algal blooms.

In addition, the strong oxidizing power of ozone injected and stirred into the water sterilizes various fish-pathogenic bacteria in the water.
Organic matter has various advantages such as being decomposed.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway side view of a water purification device according to the present invention;
FIG. 2 is a side view showing another embodiment of the water purification device according to the present invention, and FIG. 3 is a partially cutaway side view of the conventional water purification device. 1 and 2, 11... Support plate 13... Stirring device 18... Water cooling jacket 19... Ultraviolet germicidal lamp 23... Leakage prevention body. #PJB diagram

Claims (3)

[Claims] (1) In a water purification device comprising an appropriate number of ultraviolet sterilizing lamps immersed in water on the lower surface of a support plate, a conductive earth leakage preventer is installed on the lower surface of the support plate and covering the ultraviolet sterilizing lamps. A water purification device characterized by the following: (2) The earth leakage preventer is composed of a conductive net with a size of 10 mesh or more, covers the entire outer circumference of the lower surface of the support plate, and the lower end of the earth leakage preventer is located below the lower end of the ultraviolet germicidal lamp. 2. A water purification device according to claim 1, wherein a water purification device is provided. (3) The earth leakage preventive body is composed of a conductive mesh having a size of 10 mesh or more, and the earth leakage preventive body covers the entire outer peripheral side and bottom surface of the lower surface of the support plate. 1
The water purification device described in Section 1.