JP2010200687A - Device for preventing bird and insect damage, and water quality-improving device with the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for preventing bird and insect damage, capable of preventing the damage by the birds or insects. <P>SOLUTION: The device 10 for preventing bird and insect damage involves sending raw water W by a submerged pump 2 through a water-sending line L2, sucking air A in the atmosphere from an air-sucking port 3a in the upper direction of a water surfaces by the raw water W, mixing the air A with the raw water W by an ejector 4 and on one hand, spraying the raw water W so as to cover the air-sucking port 3a by a water-spraying nozzle 5 installed by branching from the water-sending line L2. In this way, by covering the air-sucking port 3a with a fountain, an environment in which bird and insects hardly approach the air-sucking port 3a is formed to prevent the damage caused by the birds and insects. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a bird damage / insect damage prevention apparatus and a water purification apparatus provided with the same.

  Conventionally, for example, a water purification device as described in JP-A-2002-96089 is known. In this device, a submersible pump is provided in a pond, lake, etc., the water supply pipe of the submersible pump is once exposed above the surface of the water, and an air intake opening that is open to the atmosphere is provided in the gas-liquid mixing section provided in the exposed portion. The raw water sent and air in the atmosphere sucked through the air intake port by the raw water are mixed in a gas-liquid mixing section and ejected into the water, so that aeration and agitation without losing water force are performed.

JP 2002-96089 A

  However, in the water purification apparatus described in Patent Document 1, birds and insects often fly to pipes having an air inlet provided above the water surface, so that birds become so-called perches that rest their wings, The feces and the like impair the aesthetics of the device, and insects are sucked into the air intake and blocked.

  Accordingly, an object of the present invention is to provide a bird damage / insect damage prevention apparatus capable of preventing damage caused by birds and insects, and a water quality purification apparatus equipped with the same.

  The bird damage / insect damage prevention apparatus of the present invention takes raw water from the water and feeds the raw water through the water supply line, air supply means provided in the water supply line, and air from an intake port disposed above the water surface. A part of the raw water is supplied by branching from the gas-liquid mixing part that mixes the raw raw water and air, and the water supply line between the water supply means and the gas-liquid mixing part. Fountain means for fountain.

  According to this bird damage / insect damage prevention apparatus, raw water is supplied by the water supply means through the water supply line, and air in the atmosphere is sucked in from the intake port above the water surface by the raw water, and the air is mixed in the gas-liquid mixing section. While being mixed with the raw water, the raw water is fountained so as to cover the intake port by the fountain means provided by branching from the water supply line. By covering the air intake port with the fountain in this way, it is possible to form an environment in which birds and insects are difficult to get close to the air intake port, and damage by birds and insects can be prevented.

  In the bird damage / insect damage prevention apparatus of the present invention, it is preferable that the gas-liquid mixing section is provided above the water surface, and the fountain means fountains so as to cover the air inlet and the gas-liquid mixing section. In this way, since the gas-liquid mixing part provided above the water surface is also covered by the fountain, it is possible to make it difficult for birds and insects to approach the gas-liquid mixing part. The damage can be prevented and the appearance is improved as if only the fountain is provided.

  Moreover, the water purification apparatus of this invention is equipped with said bird damage and insect damage prevention apparatus, and feeds the air containing raw water from a gas-liquid mixing part into water. According to this water purification device, the raw water containing raw air mixed with the air in the atmosphere is fed into the water, whereby the water is aerated and stirred to purify the water quality, and the above-mentioned bird damage・ Damage caused by birds and insects can be prevented by the action and effect of the insect damage prevention device.

  According to the present invention, damage caused by birds and insects can be prevented.

It is a schematic block diagram which shows the water purification apparatus which concerns on one Embodiment of this invention. It is a schematic block diagram which shows the water purification apparatus which concerns on other embodiment of this invention.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a bird damage / insect damage prevention apparatus and a water purification apparatus equipped with the same according to the present invention will be described with reference to the drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and redundant descriptions are omitted.

  FIG. 1 is a schematic configuration diagram showing a water purification apparatus provided with a bird damage / insect damage prevention apparatus according to an embodiment of the present invention. The water purification device 1 is a device that is installed in a natural water area such as a pond or a lake or a water tank of a factory and purifies the water quality, and includes the following components.

  That is, the water purification apparatus 1 is provided in the water supply line L2 and the submersible pump (water supply means) 2 that takes the raw water W from underwater and supplies the raw water W via the water supply line L2, and is disposed above the water surface S. The air is sucked from the intake port 3a and mixed from the water supply line L2 between the ejector (gas-liquid mixing unit) 4 that mixes the raw water W and the air A to generate the air-containing raw water WA, and the submersible pump 2 and the ejector 4. A part of the raw water W is supplied, and a fountain nozzle (fountain means) 5 fountains a part of the raw water W so as to cover the intake port 3a, and an air-containing raw water WA sent from the ejector 4 via the water supply line L2. And a discharge port 6 for feeding water into the water.

  The submersible pump 2 is attached to a mounting base 7 installed on the bottom B, and takes in raw water near the bottom B at a predetermined flow rate and feeds it. The submersible pump 2 has a capability of discharging at a pressure and a flow rate required for gas-liquid mixing in the ejector 4, fountain in the fountain nozzle 5, and water supply of the air-containing raw water WA in the discharge port 6. The type of the submersible pump 2 is not particularly limited, and for example, a centrifugal submersible pump with a cutter can be used. A distribution box, an operation panel, etc. (not shown) for operating the submersible pump 2 are arranged on the ground.

  The ejector 4 is provided above the water surface S, and utilizes the negative pressure state generated by the water flow of the raw water flowing through the ejector 4, and the air in the atmosphere from the intake port 3a via the intake line L3 connected to the side surface thereof. A is sucked in to produce air-containing raw water WA which is raw water mixed with air A. The ejector 4 has a function as a microbubble generating unit that converts the sucked air A into a so-called microbubble state that is an ultrafine bubble and mixes it with the raw water W.

  The intake port 3a is connected to the intake line L3 and constitutes the intake port of the air breather 3 having a filter at the tip thereof, and the air A can be sucked through the air breather 3 by the suction action of the ejector 4. The air breather 3 has a function of preventing water and foreign matter from entering. Further, a cover 8 that protects the air inlet 3a of the air breather 3 from rain or the like is attached by a stay (not shown) so as to be positioned in the vicinity of the upper side of the air breather 3. In addition, in the intake line L3, a strainer 9 is provided at an intermediate portion between the intake port 3a and the ejector 4 to remove foreign matter that has entered without being blocked by the air breather 3.

  The fountain nozzle 5 is attached to the tip of a fountain line L5 provided by branching from a water supply line L2 between the submersible pump 2 and the ejector 4, and a part of the raw water W supplied via the fountain line L5. A fountain. The attachment position of the fountain nozzle 5 is in the vicinity of the intake port 3a, and is located on the side and above the intake port 3a. As the fountain nozzle 5, for example, a bell-shaped fountain nozzle can be used, and the fountain from the fountain nozzle 5 can form a dome-shaped water film.

  The discharge port 6 is attached to the front end of the water supply line L2 that extends to the vicinity of the water bottom B on the downstream side of the ejector 4, and discharges the air-containing raw water WA from the ejector 4 to generate a stirring flow near the water bottom B. It supplies air into the water. As the discharge port 6, for example, an inverted conical tube made of stainless steel can be used. In addition, when using a sunny hose etc. as the water supply line L2, this discharge port 6 can function also as a weight which stabilizes the position of the water supply line L2 by drooping in water with dead weight.

  The submersible pump 2, the air inlet 3a, the ejector 4, the fountain nozzle 5, and the like constitute a bird damage / insect damage prevention apparatus 10 for protecting the apparatus from damage caused by birds and insects.

  In the water purification device 1 of this embodiment, the raw water W is supplied by the submersible pump 2 via the water supply line L2, and air A in the atmosphere is sucked from the intake port 3a above the water surface S by the raw water W. The air A is mixed with the raw water W by the ejector 4 and the air-containing raw water WA is fed into the water, whereby the water is aerated and stirred to purify the water quality. The fountain nozzle 5 fountains the raw water W while forming a dome-shaped water film so as to cover the cover 8, the air inlet 3 a, the ejector 4, and the like located above the water surface S.

  As described above, according to the water purification apparatus 1, since the air inlet 3a is covered with the fountain, it is possible to form an environment in which it is difficult for birds and insects to approach the air inlet 3a, and damage by birds and insects can be prevented. In addition, it has the effect | action that it becomes much more difficult for birds to approach by the irregular reflection of the light which a fountain illuminates with sunlight etc. FIG.

  Moreover, according to this water quality purification apparatus 1, since the ejector 4 provided above the water surface S is also covered with the fountain, it is possible to make it difficult for birds and insects to come close to the ejector 4, and thus the birds and insects. In addition to being able to prevent damage caused by moss, it is visually recognized as if only a fountain is provided, and the appearance is improved.

  Further, according to this water purification device 1, since the air A in the atmosphere is mixed with the raw water W in the form of microbubbles, the water is aerated and stirred at a high oxygen dissolution efficiency, so that the water quality is more effective. Purification of is planned.

  Moreover, according to this water purification apparatus 1, the operating state of an apparatus can be easily visually recognized from the land by the fountain from the fountain nozzle 5. FIG.

  FIG. 2 is a schematic configuration diagram illustrating a water purification apparatus including a bird damage / insect damage prevention apparatus according to another embodiment of the present invention.

  This water purification device 20 is different from the water purification device 1 shown in FIG. 1 in that it is not a bird damage / insect damage prevention apparatus 10 but a bird damage by attaching the submersible pump 2 to a float-type frame 11 floating on the water surface S. -Insect damage prevention device 30 is used. The float-type gantry 11 includes a housing part 11a where the submersible pump 2 is installed, and a float that gives the housing part 11a buoyancy so that the submersible pump 2 is submerged and the housing part 11a is in a floating state near the water surface S. Part 11b.

  The housing portion 11a is a hollow housing having a rectangular parallelepiped shape, and includes a metal plate material and a frame. Each side surface of the housing portion 11a is made of a perforated plate material such as punching metal or expanded metal, the bottom surface is made of a thin plate member, and the upper surface is open to the outside. The casing 11a may be a casing having a cylindrical outer shape. The float portion 11b is made of, for example, a cylindrical or columnar resin member, wood, or the like, and is fixed to the upper four corners of the housing portion 11a. Furthermore, if the surface of the housing 11a or the float 11b is subjected to photocatalyst coating or photocatalyst coating, the growth of algae and the adhesion of dirt are suppressed.

  In the water purification device 20 configured as described above, by installing the submersible pump 2 on the float mount 11, the submersible pump 2 and the float mount 11 can take water by the submersible pump 2 while floating near the water surface S. It becomes. Even in such a water purification device 20, the same actions and effects as the water purification device 1 are exhibited. In addition, since each side surface of the housing part 11a is comprised with a punching metal, an expanded metal, etc., the penetration | invasion into the float type mount frame 11 of the leaf, branch, vinyl, etc. which floats on the water surface S is prevented, and the submersible pump 2 Water intake is performed without any problem.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment. For example, although the case where an ejector is used as a gas-liquid mixing part was demonstrated in the said embodiment, it is not restricted to an ejector type, You may use a tank type microbubble generator etc. as a gas-liquid mixing part.

  Moreover, although the said embodiment demonstrated the case where the bell-shaped fountain nozzle 5 was used as a fountain means, the spray nozzle which fountains a radial splash may be sufficient. According to such splashes, it is possible to form an environment in which birds and insects are difficult to come close to, like a dome-shaped water film. Moreover, the simple thing which gave the hole process for fountains to the cap attached to the front-end | tip of the fountain line L5 may be used.

  DESCRIPTION OF SYMBOLS 1,20 ... Water purification apparatus, 2 ... Submersible pump (water supply means), 3a ... Intake port, 4 ... Ejector (gas-liquid mixing part), 5 ... Fountain nozzle (fountain means), 10, 30 ... Bird damage and insect damage Prevention device, A ... air, L2 ... water supply line, S ... water surface, W ... raw water, WA ... air-containing raw water.

Claims (3)

Water supply means for taking raw water from the water and sending the raw water through a water supply line;
A gas-liquid mixing unit that is provided in the water supply line and sucks air from an intake port disposed above the water surface to mix the raw water and the air;
A fountain means that diverges from the water supply line between the water supply means and the gas-liquid mixing unit, a part of the raw water is supplied, and fountains a part of the raw water so as to cover the intake port;
A bird damage / insect damage prevention device characterized by comprising: The gas-liquid mixing part is provided above the water surface,
2. The bird damage / insect damage prevention apparatus according to claim 1, wherein the fountain means fountains the cover so as to cover the air inlet and the gas-liquid mixing part.   A water purification apparatus comprising the bird damage / insect damage prevention apparatus according to claim 1 or 2, wherein the air-containing raw water from the gas-liquid mixing section is fed into the water.

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