JP3304864B2 - Aquarium equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aquarium apparatus capable of removing a sediment without moving water, and applicable to aquaculture and various kinds of sediment removal and recovery devices.

[0002]

2. Description of the Related Art In aquaculture of fish and shellfish, high-density aquaculture is performed in order to produce fish and shellfish intensively and efficiently.
In addition, high-protein compound feeds are used instead of raw feed as feed, and the remaining food and excrement of these feeds settle on the farm, become sludge-like sludge, and deposit on the bottom of the culture pond. And cause disease of fish and shellfish.

[0003] As a method for removing such precipitates, a method is generally known in which wastewater containing the precipitates is discharged out of the system and solid-liquid separation is performed. However, the precipitates that spread over the entire surface of the culture pond are recovered. Although it is difficult to perform such a process, for example, it is conceivable to provide a scraper, but there is a problem that not only power is required but also the cultured fish and shellfish is caught in the scraper. The problem is exacerbated as the area of the pond increases.

It is also considered to make the bottom of the sedimentation tank steeper, but in order to make the slope steeper, it is necessary to make it deeper. . Such a problem of the recovery of the precipitate is also a problem in various wastewaters such as plating wastewater, and is a common problem in processes requiring solid-liquid separation in a wide area water tank.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a water tank apparatus capable of removing and recovering a precipitate deposited in a water tank having a large area without requiring excessive power.

Another object of the present invention is to provide an aquarium apparatus which can remove only sediment with low power without moving water in a pond and provide a comfortable living environment for cultured fish and shellfish. is there.

[0007]

A water tank apparatus according to the present invention for solving the above-mentioned problems comprises a water tank having a side wall and a bottom surface, wherein the side wall and the bottom surface of the water tank are both formed by a transport belt traveling in the same direction. It is characterized by the following. According to this invention, since the water tank is formed by the transport belt, the precipitate deposited in the water tank having a large area is deposited on the transport belt and moves with the movement of the transport belt, so that the precipitate can be removed and collected. Also, since the conveyor belt does not move the water in the aquarium, there is no need to consider the movement power of the water.
The precipitate can be removed and recovered without requiring excessive power.

According to a second aspect of the present invention, a pair of regulating rolls for regulating the front and rear heights of the water tank are provided at the front and rear in the traveling direction of the conveyor belt. And a row of rolls for regulating the both sides of the water tank. ADVANTAGE OF THE INVENTION According to this invention, while a conveyance belt is conveyed, there exists an effect which can define the circumference | surroundings of a water tank reliably.

According to a third aspect of the present invention, a drive belt is provided on the back surface of the transport belt constituting the bottom surface of the water tank, the drive belt being in contact with a contact length substantially equal to the deepest portion of the transport belt. It is characterized by the following. According to the present invention, since the load of the water in the water tank is received in the contact area, the transfer power of the transfer belt is the potential energy of the water (for example, 1000 to 2000 m).
mH), the frictional force between the water and the inner surface of the conveyor belt (which is very small), and the belt frictional force at the contact area only need to be considered, so that the transport energy is extremely small.

According to a fourth aspect of the present invention, the transport belt is configured to be transportable by a driving roll provided in contact with the transport belt. According to the present invention, the installation position of the drive roll can be freely determined, and the number of drive rolls can be freely increased.

The invention according to claim 5 is characterized in that the transport belt is an endless belt, and the endless belt is transported so as to cover the upper part of the water tank. According to the present invention, the endless belt located above the water tank plays the role of the roof of the water tank, and exhibits a light shielding effect. The surface of the endless belt that comes into contact with the water is the inner surface above the water tank, and the surface of the endless belt that is not in contact with the water is the outer surface above the water tank, so sunlight does not directly come into contact with the water of the endless belt. Since it is only the surface, it is only necessary to consider the weather resistance of this surface,
As a result, cost can be reduced. In addition, it is preferable to make the endless belt wider since the roof effect is further improved.

The invention according to claim 6 is characterized in that the aquarium is a culture pond. ADVANTAGE OF THE INVENTION According to this invention, the culture pond which a side wall and a bottom moves is formed, it can remove only a sediment with low power, without moving water of a culture pond, and can provide a comfortable living environment for cultured fish and shellfish.

[0013] The invention according to claim 7 is characterized in that the waste liquid from the cultivation pond is introduced into a wastewater treatment apparatus mainly using a soil compact mainly composed of humus for treatment. The described invention is characterized in that it is a pumice or a crushed stone or a crushed powder thereof containing an eluting silica component together with a soil compact. ADVANTAGE OF THE INVENTION According to this invention, the useful microorganism which can decompose and utilize the organic substance in a waste liquid can be inhabited and proliferated by the effect | action of a soil molded object. Escherichia coli and spoilage bacteria in the waste liquid can be killed by the antibacterial properties of metabolites of such microorganisms. Therefore, if such a processing solution is recycled,
It is possible to suppress the occurrence of diseases of fish and shellfish in the culture pond.

The invention according to claim 9 is characterized in that the water tank is a solid-liquid separation tank. According to the present invention, in various kinds of wastewater treatment or waste treatment, the present invention can be applied to all treatments involving collection and removal of precipitates.

According to a tenth aspect of the present invention, the surface of the conveyor belt is formed with a rough surface. According to the present invention, the collection and removal of the precipitate are further facilitated by the transport belt.

[0016]

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing an example of the water tank apparatus of the present invention, FIG. 2 is a side view of the same, and FIG. 3 is a plan view of the same.

1 to 3, reference numeral 1 denotes a water tank device,
100 is a side wall 101, 102, 103, 104 and a bottom surface 1
05.

101, 102, 103, 104 and bottom surface 1
Reference numeral 05 denotes a transport belt 106 that travels in the same direction.

Reference numerals 107 and 108 denote a pair of regulating rolls, which are provided on the front side and the rear side in the traveling direction of the transport belt 106. The pair of regulating rolls 107 and 108 play a role of regulating the height of the front and rear of the water tank.

Roll rolls 109 and 110 are provided in contact with both sides of the transport belt 106 in the traveling direction (X direction), and serve to regulate both sides of the water tank.
That is, both side walls 101 and 102 of the water tank can be reliably defined by the roll rows 109 and 110.

Reference numeral 200 denotes a drive belt which is provided in contact with the back surface of the conveyor belt constituting the bottom surface 105 of the water tank 100, and is in contact with the innermost portion 106A of the conveyor belt 106 with a contact length L which is substantially the same length. . The contact length L is the deepest part 10
Although it varies depending on the length of 6A, the longer the length, the better. Reference numeral 201 denotes a drive roll for driving the drive belt 200, which is linked to a drive source (not shown). 2
02 is a rotating roll for defining the contact length L,
It is also preferable that the position of the rotating roll 202 can be changed so that the contact length L can be adjusted. 203
Reference numeral denotes a support roll group, which supports the lower surface of the drive belt 200 and has a function of maintaining the flatness of the contact length L region.

The transport direction of the transport belt 106 may always be the X direction when the transport belt is an endless belt, but if the transport belt is a discontinuous belt, the transport in the X direction and the opposite direction are performed periodically. May be repeated.

In the embodiment shown in FIG. 1, the transport belt is preferably made of a material which is preferable in consideration of the holding of the water load in the water tank, the rotational friction, the weather resistance, and the like. Resin conveyor belt "Astroy" (trade name) can be used. 001, 002, 004 to 008, 01
1 to 014, 017 to 019, 02 to 028, 101
-102, 501-510, 515-518, 594 are preferred.

Further, if a conveyor belt having a rough surface is used, it is easier to collect and remove precipitates by the conveyor belt.
006, 014, 017, 026, 102, 509, 5
Using 10 is more preferred.

The drive belt is not particularly limited, and a commercially available conveyor belt can be used.

In the above embodiment, the transport belt is transported by contact with the drive belt. However, in addition to this aspect, the transport belt may be configured to be transportable by a drive roll provided in contact with the transport belt 106. In this case, the installation position of the drive roll can be freely determined, and the number of drive rolls can be freely increased.

Next, an example in which the aquarium device of the present invention is applied to a culture pond will be described with reference to FIG.

The culture pond 100 is formed by a transport belt 106, and an endless belt is used as the transport belt 106.

In the illustrated embodiment, the endless belt 106 is transported so as to cover the upper part of the culture pond 100.
Reference numeral 120 denotes a belt stretching roll.

Of the endless belt 106, it is preferable to consider the weather resistance of the surface directly exposed to sunlight, but it is not necessary to consider the weather resistance of the surface not exposed to sunlight, so that the cost can be reduced accordingly. Become.

The endless belt 106 has only to be wide enough to form the cultivation pond 100, for example, 2 m wide × 1.8 deep.
m (water depth 1.5 m + top 0.3 m), the width of the endless belt 106 must be 5.6 m or more.

When the belt width is 5.6 m, the upper end of the culture pond 100 having a width of 2 m functions as a roof having a width of 5.6 m, so that the endless belt 106 plays the role of the roof of the culture pond and exhibits a light shielding effect. I do.

In the culture pond 100, sediment tends to accumulate on the surface of the endless belt 106. However, since the endless belt 106 is being conveyed, the sediment cannot be accumulated. It is discharged outside.

At this time, since the water in the pond does not move, no power is required to move the water. If the precipitate is removed, a comfortable living environment can be provided for the cultured fish and shellfish.

The sludge is scraped off by the scraper 115 at an arbitrary place where the sludge is exposed to the air from the water surface 100a of the aquaculture pond 100, is stored in a storage tank (not shown), and is sent to a processing facility. The direction of the blade of the scraper 115 is preferably provided so as to be inclined with respect to the transport direction of the endless belt 106.

The culture pond 100 is preferably provided with a water supply pipe 116, a drain pipe 117, and a feed pipe 118, and the waste liquid discharged from the drain pipe 117 is sent to a waste water treatment apparatus 300 as shown in FIG. It is preferable that the treated water is returned to the cultivation pond 100 and recycled.

In FIG. 5, reference numeral 301 denotes a waste liquid storage tank;
Is an aeration tank, 303 is a settling tank, 304 is a treated water tank, 305
Is a reactor.

The waste liquid storage tank 301 and the reactor 305 are filled with a soil compact 306 mainly composed of humus.

The soil compact 306 mainly composed of humus is
A useful microorganism or a spore thereof, a humus containing an eluting silica component, a binder, or the like are mixed, dried, and then formed into a pellet. The shape of the pellet may be any of a cylinder, a prism, a disk, and the like.

The useful microorganisms contained in the humus, or the useful microorganisms whose spores have germinated, are excellent in the ability of the microorganisms themselves or the metabolites released by the microorganisms to adsorb organic substances in waste liquid and to adsorb odorous components. ing.

It is preferable that the pellets contain other inorganic materials (for example, minerals such as magnesium and calcium), an elution limiter and the like. If minerals are contained, minerals can be supplied to the pond. In addition, when the dissolution inhibitor is contained, the dissolution time of the pellet in water can be controlled, and the replenishment time can be controlled.

It is also preferable to use pumice or a crushed stone or powder thereof containing an eluting silica component together with the soil compact 306 mainly composed of humus. As the pumice or the like containing an eluting silica component, a clay mineral or a volcanic rock containing a silica component that can be dissolved in water is preferably used. When the eluting silica component is contained in pumice, etc., it has the effect of assisting the activation of the microorganism group, and further, the silica component of the eluted monomer binds to and aggregates with the solid substance, or adsorbs the solid substance. It also has the function of purifying aquaculture wastewater.

The waste liquid introduced into the waste liquid storage tank 301 comes into contact with the soil compact 306 mainly composed of humus, and comes into contact with activated sludge containing useful microorganisms and / or metabolites sent from the reactor 305. . 301A is an air diffuser.

By this contact, organic substances and the like in the waste liquid are pretreated, sent to the aeration tank 302, and subjected to aerobic treatment.
302A is an air diffuser.

In this embodiment, useful microorganisms capable of decomposing and assimilating organic substances in the waste liquid can be inhabited and proliferated by the action of the soil compacts and the like. Occupy.

The waste liquid subjected to the aerobic treatment is sent to the sedimentation tank 303 together with the activated sludge, and is separated into solid and liquid. The treated water is sent to the treatment water tank 304, and the cultivation pond 10 is fed through the pump 304A.
It is sent to 0 and used cyclically. By circulating such a treatment liquid, Escherichia coli and spoilage bacteria in the waste liquid can be killed by the antibacterial properties of metabolites of microorganisms and the like, so that it is possible to suppress the occurrence of diseases of fish and shellfish in the culture pond. .

A part of the sludge in the sedimentation tank 303 is returned to the waste liquid storage tank and / or the aeration tank directly or through a not-shown sludge concentration tank, and the other part is the reactor 30.
Sent to 5. Further, part of the sludge is removed outside the system as surplus sludge, and is regenerated as compost or the like.

In the reactor 305, the introduced sludge comes into contact with the pellets, and components eluted from the pellets are contained in the sludge. The eluted components are mainly silica components,
The useful microorganisms contained in the humus, the useful microorganisms whose spores have germinated, or the metabolites released by the microorganisms are simultaneously eluted. Long-time aeration in the reactor 305 promotes the growth of useful microorganisms, and the residual organic matter in the waste liquid is completely decomposed.

The useful microorganisms contained in the humus are Bacillus bacteria, which grow using organic matter as a nutrient source and sporulate when the organic matter disappears. This useful microorganism has a strong tendency to dominate other bacteria, and has the ability to kill spoilage bacteria and Escherichia coli. It is presumed that the effect of the elutable silica component makes the useful bacteria apparent.

Examples of the fish and shellfish include, but are not limited to, various shrimp, flounder, puffer fish, eel, yellowtail, hamachi, Thailand, whale, and other cultured fish and shellfish.

It is to be noted that a plurality of the culture ponds 100 shown in FIG. 4 may be provided, specifically, a plurality of the ponds may be connected in the horizontal direction, and it is also preferable to stack the ponds 100 in the vertical direction. Although the case where the present invention is applied to a culture pond has been described above, the present invention is applicable to various kinds of wastewater treatment or waste treatment.
It can be applied to all processes involving recovery and removal of precipitates.

For example, it is preferable to use a water tank as a solid-liquid separation tank in sludge treatment of plating wastewater.

In addition, dish washing machines for hospitals, restaurants, and school lunches, car washing machines, crop cleaning machines, sediment removal machines,
It can also be applied to water and sewage sludge removers, waste collection belts, fruit juice concentrators, composters, and the like.

[0055]

As described above, according to the present invention, it is possible to provide an aquarium apparatus capable of removing and recovering sediment precipitated in an aquarium having a large area without requiring excessive power, and to move water in a culture pond. It is possible to provide an aquarium apparatus that can remove only precipitates with low power and provide a comfortable living environment for cultured fish and shellfish.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an aquarium apparatus according to the present invention.

FIG. 2 is a side view of the above.

FIG. 3 is a plan view of the above.

FIG. 4 is a diagram showing an example in which the present invention is applied to a culture pond.

FIG. 5 is a diagram showing an example of a wastewater treatment device.

[Explanation of symbols]

 1: aquarium device 100: aquarium, aquaculture ponds 101, 102, 103, 104: side walls 105: bottom surface 106: transport belt, endless belt 106A: deepest part 107, 108: one pair of regulation rolls 109, 110: roll row 115: Scraper 116: Water supply pipe 117: Drainage pipe 118: Feeding pipe 200: Driving belt L: Contact length 201: Driving roll 202: Rotating roll 203: Support roll group 300: Drainage treatment device 301: Waste liquid storage tank 302: Aeration tank 303 : Settling tank 304: treated water tank 305: reactor

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁷ identification code FI C02F 3/12 C02F 3/12 V (58) Field surveyed (Int.Cl. ⁷ , DB name) A01K 63/00 A01K 63 / 04 B01D 21/02 B01D 21/24 C02F 3/10 C02F 3/12

Claims (10)

(57) [Claims] 1. A water tank device comprising: a water tank having a side wall and a bottom surface, wherein the side wall and the bottom surface of the water tank are both formed by a transport belt traveling in the same direction. 2. A pair of regulating rolls for regulating the front and rear heights of the water tank are provided at the front and rear of the transport belt in the traveling direction, and the two sides of the water tank are regulated at both sides in the traveling direction of the transport belt. The aquarium apparatus according to claim 1, wherein a row of rolls is provided in contact with each other. 3. A drive belt, which is provided on the back surface of the conveyor belt constituting the bottom surface of the water tank, and is in contact with the innermost portion of the conveyor belt at a contact length substantially equal to the depth of the conveyor belt. Item 3. The water tank device according to item 1 or 2. 4. The water tank device according to claim 1, wherein the transport belt is configured to be transportable by a driving roll provided in contact with the transport belt. 5. The water tank apparatus according to claim 1, wherein the conveying belt is an endless belt, and the endless belt is conveyed so as to cover an upper part of the water tank. 6. The aquarium apparatus according to claim 1, wherein the aquarium is an aquaculture pond. 7. The aquarium apparatus according to claim 6, wherein the waste liquid from the cultivation pond is introduced into a wastewater treatment apparatus mainly using a soil formed body mainly composed of humus for treatment. 8. The aquarium apparatus according to claim 7, wherein the water tank apparatus is pumice or a crushed stone or crushed powder thereof containing an eluting silica component together with the soil compact. 9. The water tank device according to claim 1, wherein the water tank is a solid-liquid separation tank. 10. The water tank device according to claim 1, wherein the surface of the transport belt is formed in a rough surface.