JP2006271233A - Apparatus for fishing pond - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for fishing ponds in which circulation water can be used by sterilizing filtered water by UV sterilizer and fishes can be stably kept from diseases even in a catch and release type fishing pond. <P>SOLUTION: The apparatus for the fishing pond of circulation water type comprises a reverse washing water tank for reserving source water overflown over a first water level of a water tank for the fishing pond, a filter for filtering the source water sucked from a suction port installed to the water tank for the fishing pond, the UV sterilizer for sterilizing filtered water by medium voltage UV lamp, a reverse washing pump and a reverse washing blower for reversely washing the filter material by introducing the source water and air from the reverse washing tank into the filter and a waste water holder for collecting and discharging the supernatant of overflow and filtered waste filtered by the filter, and returns filtered and sterilized water to the water tank for fishing pond. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a fishing pond device that circulates and uses water from a fishing pond tank.

Fishing ponds (ponds) are different from fish ponds and appreciation fish ponds, and many people grab fish and put them in the pond, or the bait dissolves in the water and raises the concentration of organic substances in the water. There is a fear.
A large amount of germs are planted in human hands, and if there are organic substances suitable for the growth of germs, the environment for fish becomes poor.
When the biological filtration method is adopted, it takes time to stabilize the filtration, and it is necessary to clean the filtration tank once a day to every 10 days. In order to maintain the water quality, a large amount of labor costs and specialized knowledge are required, which makes it difficult to manage.
In addition, there is a problem that the smell increases due to the propagation of various germs, and the chance of administration of medicines increases in order to promote the disease of fish.

Therefore, for example, in the fish culture device of International Publication WO 98/04124, a particle trap that captures residual food and feces contained in water, a sediment trap that deposits sediment in a breeding tank and separates sediment and water, Residual bait detection sensor installed in a pipe that communicates the particle trap and the sediment trap, a capture unit composed of a microscreen filter, a denitrification device that denitrifies nitrogen compounds dissolved in water, air and / or Consists of a bubble levitation device that generates bubbles by supplying ozone and captures the bubbles to remove surface active substances in the water, an ultraviolet sterilization device that sterilizes circulating breeding water, a non-immersion treatment unit, and an immersion treatment unit The denitrification device is provided with an ammonia treatment unit having a function of decomposing ammonia in water and an aeration unit for dissolving oxygen in water. Configured to place the path tube is disclosed.
In the above configuration, since the ultraviolet sterilizer is used, it is possible to sterilize fish pathogens and circulating breeding water. However, since a large number of filters and devices are required, the structure is complicated and handling is complicated. .

International Publication WO 98/04124

The present invention was devised in view of the above circumstances, and its main problem is to purify the raw water in the fishing pond with an ultraviolet sterilizer connected to the filtration device and circulate and use the treated water. It is an object of the present invention to provide a fishing pit apparatus that prevents fish from getting sick even if it is a catch-and-release type fishing pond where fish caught are repeatedly returned to the pond.
Moreover, in this fishing pond apparatus, while being able to make a machine room compact, it is providing the fishing pond apparatus utilized for the backwash water of the filter medium of a filtration apparatus using a part of said raw | natural water.

In order to solve the above-mentioned problems, the present invention provides
In the circulating water type fishing pond device that returns the treated water purified by passing the raw water of the pond for fishing pond through a filtration device with a pump,
A backwash water tank that stores the raw water overflowing over the first water level in the fishing pond water tank as backwash water;
A filtration device for filtering raw water absorbed from a water inlet provided in the fishing pond tank;
An ultraviolet sterilizer that sterilizes the filtered water with a medium-pressure ultraviolet lamp;
A backwash pump and a backwash blower for introducing raw water and air from the backwash water tank into the filtration device and backwashing the filter medium;
It consists of an overflow supernatant part and a waste reservoir part that collects and drains the waste separated by the filtration device,
The filtered and sterilized treated water is returned to a fishing pond water tank.

In the invention of claim 2,
The drainage reservoir is connected to the drain by being connected to the pump pit at a constant water level,
Raw water introduced from the pump pit and exceeding a certain water level flows into the drainage reservoir, and other raw water is stored in a backwash water tank.
In the invention of claim 3,
The fishing pond water tank is provided with a replenishing device that replenishes new replenishing water with a timer.
In the invention of claim 4,
The inner peripheral wall of the fishing pond water tank is provided with a drain port for taking in overflow water, a water intake port for absorbing the aquarium water, and a water injection port for injecting treated water.
In the invention of claim 5,
Provided in the fishing pond water tank is a deck that can be used for fishing by a ship, and a water intake for taking in overflow water and water absorption for absorbing the water in the water on the outer peripheral wall of the deck part. A mouth and a water inlet for injecting treated water are provided.
In the invention of claim 6,
The UV sterilizer is connected to the filtration device, and the filter medium is automatically generated by the backwash raw water supplied from the backwash water tank into the filtration device by the backwash pump and the air supplied from the backwash blower. It is characterized in that it is cleaned.

The fishing pond device of the present invention is configured such that the treated water obtained by filtering and sterilizing the raw water in the fishing pond water tank can be circulated and used by an ultraviolet sterilizer provided in the filtering device. As a result, even if it is a catch-and-release type fishing pond where the caught fish is repeatedly returned to the fishing pond, the fish does not get sick and does not pollute the aquarium, suppressing the generation of off-flavors. it can.
In this fishing pond device, the raw water overflowed from the fishing pond water tank is used as backwash water for the filter medium of the filtering device, so that the filtering device can be automatically cleaned.
In addition, since the configuration is simple, the machine room can be downsized and space can be saved.
Furthermore, even when groundwater is not available, operation with tap water is possible, and the installation area is not limited, and it may be operated in an urban area or indoors.
In addition, since filtered and sterilized treated water is returned to the fishing pond and circulated, it can be operated with a water amount of about 5% of the total amount of water, and a fully automatic system reduces labor costs. It is economical.
In addition, as described above, raw water is filtered and sterilized, and waste is filtered, so fishing pond cleaning and disinfection are unnecessary, and replenishment due to fish death can be suppressed as much as possible. .

  In this invention, an ultraviolet sterilizer is provided in the filtering device, and the raw water is filtered and sterilized and recycled, and the filter medium is backwashed using the overflowed raw water, so that healthy fish can be caught throughout the year. A fishing pond device that can run as well as running costs is realized.

A preferred embodiment of a fishing pond device according to the present invention will be described below with reference to the drawings.
FIG. 1 is a circuit diagram showing the flow of filtration / sterilization processing of the fishing pond device, and FIG. 2 is a circuit diagram schematically showing the whole fishing pond device.
This fishing pond device includes a fishing pond tank 1 made of FRP.
The fishing pond 1 has an FRP unit structure, so it is easy to carry in and assemble indoors, and the equipment work is only assembly, so it can be completed in a few days. Compared to a conventional concrete aquarium, Shortening of 1 / min or more can be achieved.

When the water level in the fishing pond tank 1 exceeds the first water level, the overflowed raw water flows into the pump pit 2 having a built-in pump 2P.
That is, the drainage port 11 is opened above the inner wall surface of the fishing pond 1 and the raw water exceeding the lowest line of the drainage port 11 flows from the drainage port 11 into the pump pit 2 through the first flow path L1. .
Next, the raw water stored in the pump pit 2 is introduced and stored in the backwash water tank 3 through the second flow path L2 by the pump 2P.

Reference numeral 6 denotes a drainage reservoir, in which raw water that overflows beyond a predetermined water level in the backwash water tank 3 and raw water that exceeds a predetermined water level in the pump pit 2 flow in.
In the illustrated example, raw water exceeding a predetermined amount flows into the drainage reservoir 6 through the communication path L3 communicating with the drainage reservoir 6 above the pump pit 2.
In the overflowed raw water, buoyant dust or the like floats, and the supernatant is collected in the drainage reservoir 6.
The drainage reservoir 6 has a drain, and is allowed to flow into sewage through the drainage channel L4, for example, by separating dust with a sieve (not shown).

Next, in the fishing pond 1, a water inlet 12 is opened downward on the inner wall surface.
In FIG. 2, a filter F such as a strainer is provided at the tip, and the filter F is sucked from the water inlet 12 into the circulation water channel L <b> 10.
Reference numeral 4P denotes a filtration pump. In the illustrated example, three filtration pumps 4P are provided, and raw water sucked from the water inlet 12 through the circulation first flow path L11 is filtered through the circulation second flow path L12. Raw water is fed into each device 4.
That is, the absorbed raw water is first poured into the raw water inlet 4 a above the tank of the filtration device 4.
The filtering device 4 contains a filter medium, and the water filtered through the filter medium exits from the raw water outlet 4b below the tank and is sent to the ultraviolet sterilizer 5 through the circulation third flow path L13.

The ultraviolet sterilizer 5 incorporates a medium-pressure ultraviolet lamp 5a at the center, and allows the filtered water to pass through the lamp 5a as a swirling flow.
Here, the medium pressure ultraviolet lamp 5a can surely kill germs without changing the chemical nature of water.
In addition, the generation of nitrogen nitrite can be extremely suppressed, the amount of dissolved oxygen in water can be dramatically improved, the balance of the entire water can be maintained efficiently, and the unique odor generated from the aquarium can be maintained. Suppression can also be performed.

This medium-pressure ultraviolet lamp 5a has an appropriate UV irradiation amount based on the sterilization ability judgment standard corresponding to the UV sensitivity amount (issued by the Marino Forum 21 New Technology Evaluation Standard Preparation Committee) against possible fish pathogenic microorganisms. Set to
For example, it has been proved that 99.9% or more of bacteria are killed by ultraviolet irradiation of 20,000 μW · sec / cm 2 or more.
Further, in the ultraviolet sterilizer 5 of the present embodiment, the lamp protection tube can be automatically cleaned by the swirling flow of the sterilizing water itself.

The treated water thus filtered and sterilized has a circulation cycle in which water is poured into the fishing pond water tank 1 from the water inlet 13 of the fishing pond water tank 1 through the circulation fourth flow path L14.
In the illustrated example, the circulation third flow path L13 is branched into two, and the treated water filtered by the filtration device 4 is connected to the circulation fourth flow path L13 without passing through the ultraviolet sterilizer 5, and directly to the water injection port 13. A switching valve is provided for introduction.

In addition, as described above, when the filtering device 4 is operated for a certain period of time, the backwash pump 7 is automatically activated and accumulated in the backwash water tank 3 from the sixth flow path L6 connected to the backwash water tank 3. Raw water is introduced, connected to the circulating second flow path L12 via the seventh flow path L7, and introduced into the filtration device 4.
Further, the backwash blower 8 is operated to connect the second flow path L12 from the eighth flow path L8 to the second flow path L12 through the seventh flow path L7 to send air bubbles into the filtration device 4, and the filter medium in the filtration device 4 is removed. Backwash and separate the waste adhering to the filter media.
Waste and backwash water filtered off by the filtration device 4 are discharged from the respective discharge ports 4c and pass through the fifth flow path L5 connecting the filtration device 4 and the drainage reservoir 6 to the discharge reservoir. 6 is sent to water.

When the water level in the fishing pond 1 falls below a certain standard, the water level is detected by a water level sensor or the like, and fresh water in the fishing pond 1 is obtained from a water source such as a water main through the ninth flow path L9. Supply fresh water from the water inlet 14.
In this embodiment, tap water is used, but groundwater may be used.

Next, FIG. 2 is a schematic diagram showing a circuit of a fishing pond tank and a purification facility, and a deck portion 20 that can be used by a fisherman in the shape of a boat or the like inside the large fishing pond tank 1. The amount of purification is provided by providing, on the outer peripheral wall of the deck portion 20, a drain port 11 for taking in overflow water, a water inlet 12 for sucking raw water from the water tank, a water inlet 13 for pouring treated water, and the like. Can be increased.
Further, in the machine room 30, the drainage reservoir 6 and the pump pit 2 are arranged on the opposite side with respect to the backwash water tank 3, and the filtering device 4 and the pump 4P are arranged in the middle.

3 and 4 show different arrangements of the machine room 30, the backwash water tank 3 is arranged on one side, the three filtration devices 4 are arranged in the center, and the control panel 9 is arranged on the other side. It consists of three ultraviolet sterilizers 5 arranged on the gantry 10 and a backwash blower 8.
A drainage reservoir 6 and a backwash tank 2 are formed on the ground below the frame as shown in FIG.
A filtration pump 4P and a backwash pump 7 are disposed in front of the gantry.
By arranging in this way, the machine room can be installed in a space-saving manner.
Although the case where the filtration apparatus and the ultraviolet sterilizer are connected is illustrated in the above embodiment, the ultraviolet sterilizer may be built in the filtration apparatus and the filtered water may be sterilized as it is.
In addition, it goes without saying that various design changes can be made without departing from the scope of the present invention.

  The present invention can be used not only for fishing pond devices but also for sacrifices.

It is a circuit diagram showing the flow of filtration and sterilization processing of the fishing pond device, It is a figure showing typically the whole fishing pond device. It is explanatory drawing. It is a top view which shows a machine room. It is the same front view. It is sectional drawing which shows a drainage reservoir part and a backwash water tank. (Example 2)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fishing pond water tank 2 Pump pit 2P pump 3 Backwash water tank 4 Filtration apparatus 4P Filtration pump 5 Ultraviolet sterilizer 6 Drain reservoir 7 Backwash pump 8 Backwash blower 9 Control board 10 Base 11 Drain port 12 Water inlet 13 Water inlet 14 New water inlet 20 Deck part 30 Machine room F Filter

Claims (6)

In the circulating water type fishing pond device that returns the treated water purified by passing the raw water of the pond for fishing pond through a filtration device with a pump,
A backwash water tank that stores the raw water overflowing over the first water level in the fishing pond water tank as backwash water;
A filtration device for filtering raw water absorbed from a water inlet provided in the fishing pond tank;
An ultraviolet sterilizer that sterilizes the filtered water with a medium-pressure ultraviolet lamp;
A backwash pump and a backwash blower for introducing raw water and air from the backwash water tank into the filtration device and backwashing the filter medium;
It consists of an overflow supernatant part and a waste reservoir part that collects and drains the waste separated by the filtration device,
A circulating water type fishing pond device, wherein the treated water that has been filtered and sterilized is returned to a fishing pond tank. The drainage reservoir is connected to the pump pit at a constant water level and connected to the drain.
A circulating water type fishing pond device, wherein raw water introduced from the pump pit and exceeding a certain water level flows into the drainage reservoir, and other raw water is stored in a backwash tank.   The fishing pond device according to claim 1, wherein a replenishing device for replenishing new replenishing water with a timer is provided in the fishing pond tank.   2. A drainage port for taking in overflow water, a water intake port for absorbing the aquarium water, and a water injection port for injecting treated water are provided on the inner peripheral wall of the fishing pond water tank. The fishing pond device described in 1.   A deck part that allows fishermen to enter into the fishing pond tank is provided inside the fishing pond, and a water intake port for taking in overflow water and a water intake port for absorbing the aquarium water on the outer peripheral wall of the deck part. And a water pouring port for pouring the treated water. The UV sterilizer is connected to the filtration device, and the filter media is automatically generated by the backwash water supplied from the backwash water tank into the filtration device by the backwash pump and the air supplied from the backwash blower. The fishing pit apparatus according to claim 1, wherein the fishing pit apparatus is washed.

Images