JPH0837968A - Chemical-treating apparatus for laver culture net - Google Patents

Abstract

PURPOSE:To provide a chemical-treating apparatus capable of keeping pH of a treating liquid in an effective range for chemical treatment. CONSTITUTION:This chemical-treating apparatus is composed of the following components: a supplemental tank 2, a laver culture net-treating tank 3, a chemical-supplying means 4 for supplying a chemical 16 into the supplemental tank 2; a diluting agent-supplying means 5 for supplying a diluting agent 21 into the supplemental tank 2; a pH-measuring means 6 for measuring the pH of a treating liquid 9 composed of the chemical 16 and the diluting agent 21 supplied into the supplemental tank 2; a circulating means 7 for circulating the treating liquid 9 between the supplemental tank 2 and the laver culture net-treating tank 3; and a controlling means 8 for controlling the supply of the chemical 16 and/or the diluting agent 21 into the supplemental tank 3 in order to control the pH of the treating liquid 9 in the supplemental tank 2 within a specified range based on the result measured by the pH-measuring means 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is directed to laver nets spread in laver farms and laver propagated in laver nets.
The present invention relates to a laver net chemical treatment device that performs various chemical treatments such as acid treatment.

[0002]

2. Description of the Related Art In general, seaweed aquaculture is a floating system in which a float is attached to the seaweed net so that the seaweed floats above the sea surface, and the seaweed is stopped by anchoring. It is carried out by the pillar system. The proper use of both methods is determined by the location conditions of the farm.

The seaweed farm adopting the above-mentioned strut system is close to the coast where the pillars can be set up and has a shallow water depth, and the seaweed net is separated from the sea surface at low tide of the sea. This is a desirable method for cultivating seaweed because it has a great bactericidal effect of various bacteria attached to seaweed due to the sun.

In addition, in such a seaweed cultivation, seaweed is cut from the seaweed net, and the seaweed net and the surface of the seaweed that propagates on the seaweed deposits such as scales of seawater and debris. There is a factor that deteriorates the quality of seaweed, such as the multiplication of various bacteria, and in order to grow high-quality and healthy seaweed and improve the harvest rate, two to three times between cuttings of seaweed. To some extent, nori seaweed and seaweed that propagate on the seaweed net are subjected to chemical treatment using various chemical agents represented by acid treatment. In addition, even after cutting off the seaweed, the seaweed net is subjected to chemical treatment using various chemicals represented by acid treatment. The chemical treatment for such a seaweed net is carried out by spraying a treatment liquid adjusted to a predetermined pH value onto the seaweed net or at a predetermined pH in the treatment tank.
It is carried out by adding a treatment liquid adjusted to a value and immersing a seaweed net in the treatment liquid in this treatment tank.

[0005]

However, in the case of spraying the treatment liquid adjusted to the above-mentioned predetermined pH value onto the seaweed net, the treatment liquid cannot be uniformly permeated throughout the seaweed net. However, there has been a problem that the contact time of the treatment liquid with the seaweed net is short and effective chemical treatment cannot be performed.

On the other hand, in the above-mentioned treatment tank in which the treatment liquid adjusted to a predetermined pH value is put and the laver net is infiltrated into the treatment liquid in this treatment tank, the treatment liquid is spread over the entire laver net. Although it is possible to make uniform contact, and while it is possible to secure a sufficient contact time of the treatment liquid with the seaweed net, since the seaweed net containing seawater is immersed in the treatment liquid,
There is a problem that the treatment liquid is diluted with seawater and the pH value of the treatment liquid cannot be kept within an effective range for chemical treatment.

The present invention has been made in view of these points, and an object thereof is to provide a seaweed net chemical treating apparatus capable of keeping the pH value of a treatment liquid within an effective range of chemical treatment. To do.

[0008]

In order to achieve the above-mentioned object, a laver net chemical treating apparatus of the present invention comprises an auxiliary tank, a laver net treating tank, and a chemical supplying means for supplying a chemical into the auxiliary tank. Diluent supply means for supplying a diluent into the auxiliary tank, pH detecting means for detecting a pH value of a treatment liquid comprising the medicine and diluent supplied in the auxiliary tank, the auxiliary tank and the seaweed Circulating means for circulating the treatment liquid to and from the net treatment tank, and into the auxiliary tank so as to keep the pH value of the treatment liquid in the auxiliary tank within a predetermined range based on the detection result by the pH detecting means. And a control means for controlling the supply amount of the drug and / or the diluent.

[0009]

According to the laver net chemical treating apparatus of the present invention having the above-mentioned constitution, the pH value of the treating liquid is controlled so as to be kept within the predetermined range in the auxiliary tank, and the treating liquid is used together with the laver net. It can be circulated to and from the processing tank. Since the pH value of the treatment liquid can be controlled in the auxiliary tank, the pH value of the treatment liquid can be quickly controlled.

[0010]

The present invention will be described below with reference to the embodiments shown in the drawings.

FIG. 1 is a schematic view for explaining the constitution of a first embodiment of a seaweed net chemicals treating apparatus according to the present invention.

As shown in FIG. 1, the seaweed net chemical treating apparatus 1 of this embodiment comprises an auxiliary tank 2, a seaweed net treating tank 3, a chemical supply means 4, a diluent supply means 5, a pH detection means 6, and a circulation means. 7
And the control means 8.

The configuration of each unit will be further described.

The auxiliary tank 2 is formed in a bottom with a small capacity of about 70 liters. Then, inside the auxiliary tank 2, a chemical agent 16 and a diluent 21, which will be described later, that constitute the processing liquid 9 (reference numerals collectively refer to the processing liquids 9a and 9b) and the processing liquid 9b in the laver net processing tank 3 are supplied. It has become so. Further, at the bottom of the auxiliary tank 2, a drain cock 10 for discharging the processing liquid 9a filled in the auxiliary tank 2 to the outside as needed is provided. A level sensor 11 for detecting the position of the liquid surface of the processing liquid 9 a filled in the auxiliary tank 2 is arranged in the auxiliary tank 2. The level sensor 11 detects whether or not the position of the liquid surface of the processing liquid 9a in the auxiliary tank 2 is located at a predetermined position,
Any device that can send the detection signal to the control means 8 may be used, and for example, a float sensor called a float switch, a differential pressure sensor, an ultrasonic sensor, a capacitance sensor, or the like can be selected. Further, in the auxiliary tank 2, an appropriate filter material 12 such as a wire mesh is arranged.

The seaweed net treatment tank 3 is for treating the seaweed net (not shown) with the treatment liquid 9 as a chemical.
It has a bottom with a capacity of about 00 to 3000 liters. Then, the processing liquid 9 is filled in the seaweed net processing tank 3 as needed. Further, like the auxiliary tank 2, a drain cock 13 is provided at the bottom of the seaweed net treatment tank 3 for discharging the processing liquid 9b filled in the seaweed net treatment tank 3 to the outside as needed. There is. Further, as in the auxiliary tank 2, a level sensor 14 for detecting the position of the liquid surface of the treatment liquid 9b filled in the seaweed net treatment tank 3 is arranged in the seaweed net treatment tank 3. Similar to the level sensor 11 arranged in the auxiliary tank 2, the level sensor 14 is such that the liquid level of the treatment liquid 9b filled in the laver net treatment tank 3 is at a predetermined position. It suffices as long as it can detect whether or not and send the detection signal to the control means 8. For example, from a float type sensor called a float switch, a differential pressure type sensor, an ultrasonic type sensor, a capacitance type sensor, or the like. You can choose.

In the medicine supply means 4, the medicine 16 in the medicine tank 15 is supplied to the medicine supply pipe 18 by a medicine pump 17.
It is configured to be supplied to the auxiliary tank 2 through. A drain cock 19 for discharging the medicine 16 filled in the medicine tank 15 to the outside is provided at the bottom of the medicine tank 15. In addition, the drug 16
As the above, it is possible to use the one prepared by appropriately selecting from the inorganic acid, the organic acid and the like used for the acid treatment of the seaweed net and the seaweed propagated in the seaweed net.

The diluent supply means 5 comprises a diluent tank 2
The diluent 21 in 0 is supplied to the auxiliary tank 2 by the diluent pump 22 through the diluent supply pipe 23. A drain cock 24 for discharging the diluent 21 filled in the diluent tank 20 to the outside is provided at the bottom of the diluent tank 20. Further, as the diluent 21, seawater, sodium hydroxide, potassium hydroxide or the like can be used. When seawater is used as the diluent 21, the diluent tank 2
It is also possible to directly supply seawater from the sea into the auxiliary tank 2 by the diluent pump 22 without providing 0.
The configuration is not limited to that of this embodiment.

The pH detecting means 6 is a p-type processing liquid 9 consisting of the chemical 16 and the diluent 21 supplied into the auxiliary tank 2.
It is only necessary that it can detect the H value and send the detection signal to the control means 8. In the present embodiment, the pH sensor 6 is used.
It is composed of a.

The circulating means 7 is a processing liquid 9 in the auxiliary tank 2.
Processing liquid supply system 25 for supplying seaweed into the seaweed net processing tank 3
And a processing liquid returning system 26 for returning the processing liquid 9 in the seaweed net processing tank 3 into the auxiliary tank 2. One of the processing liquid supply systems 25 is configured to supply the processing liquid 9a in the auxiliary tank 2 into the laver net processing tank 3 by the processing liquid supply pump 27 through the processing liquid supply pipe 28. The other treatment liquid return system 26 is the treatment liquid 9b in the seaweed net treatment tank 3.
Is sent to the inside of the auxiliary tank 2 through the processing liquid returning pipe 30 by the processing liquid returning pump 29.

The control means 8 is a memory (not shown), C
It is composed of PU and the like. This control means 8 has a pH
A detection signal of the pH value of the treatment liquid 9a in the auxiliary tank 2 detected by the sensor 6a, and a detection signal of the liquid level position of the treatment liquid 9a filled in the auxiliary tank 2 detected by the level sensor 11, The detection signal of the position of the liquid level of the processing liquid 9b filled in the seaweed net processing tank 3 detected by the level sensor 14 is input.

Then, the control means 8 sets the detection value based on the detection result (detection value) of the pH value of the treatment liquid 9a in the auxiliary tank 2 detected by the pH sensor 6a. If the pH value is smaller than a preset range, the diluent pump 22 is driven to supply the diluent 21 to the auxiliary tank 2. However, when the pH value is larger than the preset range, the medicine pump 17 is driven to supply the medicine 16 to the auxiliary tank 2.

Further, the control means 8 includes a level sensor 14
Based on the detection result of the position of the liquid surface of the treatment liquid 9b filled in the seaweed net treatment tank 3 detected by, the position of the liquid surface of the treatment liquid 9b in the seaweed net treatment tank 3 is within a predetermined range. When it is not within the predetermined range (the amount of the processing liquid 9b is small), the processing liquid supply pump 27 of the circulation means 7 is driven to process the processing liquid 9a in the auxiliary tank 2. Is supplied into the seaweed net treatment tank 3, and when it is located within a predetermined range, the treatment liquid supply pump 27 is stopped.

Further, the control means 8 detects the level of the processing liquid 9a filled in the auxiliary tank 2 by the level sensor 11 and detects the position of the surface of the processing liquid 9a.
It is determined whether or not the position of the liquid surface of a is within a predetermined range. If it is not within the predetermined range (the amount of the processing liquid 9a is small), the pump 29 for returning the processing liquid of the circulation means 7 is determined. To drive the treatment liquid 9b in the seaweed net treatment tank 3 into the auxiliary tank 2, or to drive the chemical pump 17 and / or the diluent pump 22 to drive the chemical 16 and / or dilution in the auxiliary tank 2. The position of the liquid surface in the auxiliary tank 2 is positioned within a predetermined range by selecting whether to deliver the agent 21 or by combining these.

That is, the control means 8 of this embodiment has at least a pH value control section 31 for controlling the pH value of the treatment liquid 9.
And a processing liquid amount control unit 32 for controlling the amounts of the processing liquid 9 in the seaweed net processing tank 3 and the auxiliary tank 2.

The pump 2 for supplying the processing liquid of the circulation means 7
7 may be always in a driving state, and the processing liquid restoring pump 29 may be driven as necessary.

Next, the operation of this embodiment having the above-mentioned structure will be described.

The seaweed net chemical treating apparatus 1 of the present embodiment mixes the chemical 16 and the diluent 21 in the small capacity auxiliary tank 2 to form the treating liquid 9 having a pH value within a predetermined range. The treatment liquid 9 having a pH value within a predetermined range is circulated between the auxiliary tank 2 and the seaweed net treatment tank 3, and the seaweed net treatment tank 3
When the treatment liquid 9 used for the chemical treatment of the seaweed net inside is circulated to the auxiliary tank 2, the pH value of the treatment liquid 9 in the auxiliary tank 2 is within a predetermined range, and the seaweed net treatment tank The chemical 16 and / or the diluent 21 are supplied into the auxiliary tank 2 such that the amounts of the treatment liquids 9 in the auxiliary tank 2 and the auxiliary tank 2 are within a predetermined range.

Therefore, the seaweed net chemical treating apparatus 1 of the present embodiment
According to the above, the small amount of the auxiliary tank 2 is used to detect the pH value of the treatment liquid 9 in the auxiliary tank 2 in real time, and the pH of the treatment liquid 9 is kept within a predetermined range.
Alternatively, it is possible to reliably control the supply of the diluent 21 into the auxiliary tank 2. Since the auxiliary tank 2 having a small capacity is used, the amount of the processing liquid 9 in the auxiliary tank 2 is small, and the p of the processing liquid 9 is p.
The scale for controlling the H value can be reduced, and the auxiliary tank 2
When the drug 16 and the diluent 21 having different pH values are mixed in the container, the pH value (concentration) in the auxiliary tank 2 is quickly made uniform, and the responsiveness when the drug 16 and the diluent 21 are mixed is shown. The pH value of the treatment liquid 9 can be reliably improved and the pH value of the treatment liquid 9 can be reliably maintained within a predetermined range.

The treatment liquid 9 having a pH value within a predetermined range is supplied from the auxiliary tank 2 to the seaweed net processing tank 3, and the seaweed diluted with seawater attached to the seaweed net by the chemical treatment of the seaweed net. The treatment liquid 9b in the net treatment tank 3 returns from the laver net treatment tank 3 to the auxiliary tank 2, the pH value is adjusted in the auxiliary tank 2, and then supplied again from the auxiliary tank 2 to the nori net treatment tank 3. Therefore, the pH value of the treatment liquid 9b in the seaweed net treatment tank 3 can always be reliably maintained within a predetermined range, and the pH value of the treatment liquid 9 can be maintained within the effective range of the chemical treatment. The chemical treatment of the net can be performed effectively and efficiently.

Further, since the treatment liquid 9 is circulated between the auxiliary tank 2 and the seaweed net treatment tank 3, the treatment liquid 9 in the seaweed net treatment tank 3 flows and is positioned in the nori net treatment tank 3. The treatment liquid 9 is evenly contacted with the seaweed net, and the seaweed net can be treated effectively and efficiently.

The treatment liquid 9b, the chemical 16 and the diluent 21 supplied to the auxiliary tank 2 are filtered by the filter medium 12 arranged in the auxiliary tank 2 and then the laver net treatment tank 3 is provided.
Since it is supplied to the seaweed net treatment tank 3, it is possible to always supply a clean treatment liquid 9 free of foreign matters (such as the leaf bodies of the seaweed separated from the seaweed net contained in the treatment liquid 9b returning to the auxiliary tank 2) to the seaweed net treatment tank 3. it can.

FIG. 2 is a schematic diagram for explaining the configuration of the second embodiment of the seaweed net drug treating device according to the present invention.

As shown in FIG. 2, the laver net chemical treating apparatus 1a of the present embodiment is similar to the laver net chemical treating apparatus 1 of the first embodiment described above in that the auxiliary tank 2, the laver net treating tank 3a, the chemical It is formed by the supply means 4, the diluent supply means 5a, the pH detection means 6, the circulation means 7a and the control means 8a.

The configuration of each part of the seaweed net chemical treating apparatus 1a of the present embodiment different from that of the first embodiment will be described.

The seaweed net treatment tank 3a of this embodiment is arranged at a position higher than the auxiliary tank 2. Inside the seaweed net treatment tank 3a, a pair of partition walls 34, 34 formed to be lower than the height of the tank wall 33 of the seaweed net treatment tank 3a are provided so as to face each other. 33 and partition 34
The interior is divided into three parts by the two outer partitions 35, 35 partitioned by and the inner partition 36 partitioned by the two partition walls 34. 500 to the inside of this internal compartment 36
About 3000 liters of the treatment liquid 9 is filled as necessary, and the seaweed net is treated with a chemical agent. Further, at the bottom of the internal compartment 36, a drain cock for discharging the processing liquid 9b filled in the internal compartment 36 to the outside as necessary, as in the case of the seaweed net treatment tank 3 of the first embodiment described above. 13 are provided. Further, the level sensor 14 for detecting the position of the liquid surface of the processing liquid 9b filled in the internal compartment 36 is not provided, and the processing liquid 9 is supplied into the internal compartment 36 beyond the capacity in the internal compartment 36. If
The processing liquid 9 is configured so as to overflow the partition into the external compartment 35, so-called overflow.

In the medicine supplying means 4, an automatic operation valve 37 which is opened and closed by an electromagnetic valve is attached instead of the medicine pump 17 of the first embodiment, and is arranged at a position higher than the auxiliary tank 2. Has been done.

The diluent supply means 5a uses seawater as the diluent 21, and directly supplies the seawater from the sea into the auxiliary tank 2 by the diluent pump 22 without providing the diluent tank 20. ing.

The circulation means 7a feeds the processing liquid 9a in the auxiliary tank 2 into the internal compartment 36 of the laver net processing tank 3a in order to feed the processing liquid 9a in the auxiliary tank 2 to the processing liquid supply pump 2
7 through the treatment liquid supply pipe 28 into the inner compartment 36 of the laver net treatment tank 3 and the treatment liquid supply system 25a, and the inner compartment 36 to the outer compartment 35 in the laver net treatment tank 3a. The processing liquid return system 26a is formed only by the processing liquid return pipe 30 for returning the processing liquid 9b overflowing to the auxiliary tank 2 by natural fall.

The control means 8a includes a memory (not shown),
It is composed of a CPU and the like. This control means 8a includes
Treatment liquid 9 in auxiliary tank 2 detected by pH sensor 6a
The detection signal of the pH value of a and the detection signal of the position of the liquid level of the processing liquid 9a filled in the auxiliary tank 2 detected by the level sensor 11 are input.

The control means 8a has a pH sensor 6a.
Based on the detection result (detection value) of the pH value of the treatment liquid 9a in the auxiliary tank 2 detected by the above, whether or not this detection value is within the preset range of pH value effective for the treatment of the seaweed net. If the pH value is smaller than the preset range, the diluent pump 22 is driven to supply seawater as the diluent 21 to the auxiliary tank 2, and the pH value is within the preset range. If it is larger, the automatic operation valve is driven to open 37 to supply the medicine 16 to the auxiliary tank 2. The control means 8a is a circulation means 7a.
The processing liquid supply pump 27 is constantly driven to supply the processing liquid 9a in the auxiliary tank 2 into the seaweed net processing tank 3.

Further, the control means 8a is provided with a level sensor 11
Whether the position of the liquid surface of the treatment liquid 9a in the auxiliary tank 2 is within a predetermined range based on the detection result of the position of the liquid surface of the treatment liquid 9a filled in the auxiliary tank 2 detected by If it is not within the predetermined range (the amount of the treatment liquid 9a is small), the chemical pump 17 and / or the diluent pump 22 are driven to drive the chemical 16 and / or the diluent in the auxiliary tank 2. The agent 21 is supplied.

The other structure is the same as that of the first embodiment.

According to the laver net chemical treating apparatus 1b of the present embodiment thus constructed, the same effects as the laver net chemical treating apparatus 1 of the first embodiment described above are obtained, and the laver net treating tank 3a and The chemical tank 15 is located at a position higher than the auxiliary tank 2, an automatic operation valve 37 is provided instead of the chemical pump 22, and the level sensor 14, the diluent tank 20 and the processing liquid restoring pump 29 are removed. As a result, the number of parts can be reduced, and the economic burden can be surely reduced.

The present invention is not limited to the above-mentioned embodiments, but can be modified as necessary.

[0045]

As described above, according to the laver net chemical treatment device of the present invention, the pH value of the treatment liquid can be reliably maintained within a predetermined range, and the laver net chemical treatment is effective. It has an extremely excellent effect that it can be performed efficiently and efficiently.

[Brief description of drawings]

FIG. 1 is a schematic diagram illustrating the configuration of a first embodiment of a seaweed net drug treating device according to the present invention.

FIG. 2 is a schematic diagram illustrating the configuration of a second embodiment of the seaweed net drug treating device according to the present invention.

[Explanation of symbols]

 1, 1a Seaweed net chemical treatment device 2 Auxiliary tank 3, 3a Seaweed net treatment tank 4 Chemical supply means 5, 5a Diluent supply means 6 pH detection means 6a pH sensor (as pH detection means) 7, 7a Circulation means 8, 8a Control means 9, 9a, 9b Treatment liquid 15 Chemical tank 16 Chemicals 20 Diluent tank 21 Diluent 25, 25a Treatment liquid supply system 26, 26a Treatment liquid return system

Claims (1)

[Claims] 1. An auxiliary tank, a seaweed net treatment tank, a medicine supplying means for supplying a medicine into the auxiliary tank, a diluent supplying means for supplying a diluent into the auxiliary tank, and the inside of the auxiliary tank. By the pH detecting means for detecting the pH value of the treatment liquid comprising the supplied chemicals and the diluent, the circulation means for circulating the treatment liquid between the auxiliary tank and the seaweed net treatment tank, and the pH detecting means. Control means for controlling the supply amount of the chemical and / or diluent into the auxiliary tank so as to keep the pH value of the treatment liquid in the auxiliary tank within a predetermined range based on the detection result. A seaweed net chemical treatment device.