JPH06135788A - Packed fertilizer provided with filter and preparation of liquid fertilizer utilizing the same - Google Patents

Abstract

PURPOSE:To prepare a liq. fertilizer not contg. the insoluble residue in a short time by putting a solid fertilzer easily soluble in water in a bag having a filter surface permeable to water and impermeable to the insolubles in the fertilizer component. CONSTITUTION:A porous solid fertilizer 2 having 0.5-5.0mm grain diameter, for example, is put in a bag 1 to form a packed fertilizer 3 provided with a filter. A cloth forming the bag 1 consists of a cellulosic fiber with a part or the whole of the surface having 50g/m<2> weight. The packed fertilizer 3 is placed in a drum can contg. water, hence the water in the drum can infiltrates into the bag 1 to dissolve the solid fertilizer 2 in the bag 1, and the dissolved fertilizer component is eluted from the bag 1 and mixed in the water in the drum can.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer which is a source of liquid fertilizer when preparing liquid fertilizer applied in open field cultivation or facility cultivation, and a method for preparing liquid fertilizer in a field using the fertilizer. is there.

[0002]

2. Description of the Related Art Generally, in-plant cultivation has better cultivation efficiency than open-field cultivation, and additional fertilization in the in-house cultivation is
Solid fertilizer or liquid fertilizer is applied. At this time, compared to solid fertilizer, liquid fertilizer makes it easier to apply fertilizer uniformly, and can be applied by sprinkler or tube irrigation to save labor. In general, liquid fertilizer tends to be used.

However, the price of liquid fertilizers on the market is 3 to 4 times higher than that of solid fertilizers.
In order to reduce costs, liquid fertilizer is prepared by applying water into containers such as tanks and drums to dissolve solid fertilizer and applying it. For example, a predetermined amount of water is put in a drum, solid fertilizer is put into the water from a fertilizer bag or the like, and the solid fertilizer is dissolved in water by stirring for 1 hour or more with a stirring rod or a stirrer. After that, it is left to stand overnight for separating the supernatant liquid and the insoluble residue.

Then, a part of the above-mentioned supernatant liquid is transferred to another container, diluted with water so as to have a magnification suitable for the purpose,
The diluted liquid fertilizer is applied by tube irrigation or the like.

[0005]

However, in the conventional liquid fertilizer making method as described above, it takes more than one day and night to make liquid fertilizer, and there is a problem that it takes a long time until it can be applied. . In addition, when the fertilizer is put into a container containing water, there is a problem that a liquid fertilizer having a desired concentration cannot be prepared unless the fertilizer is weighed and put into the container depending on the amount of the put.

Further, when the fertilizer is put in, the powder of the fertilizer may fly and adhere to clothes and hands, and in particular, there is a problem in that it adheres to the eyes and the like and may damage the eyes and the like. is there. In addition, 10% by weight or more (40% by weight of general chemical fertilizer) of the solid fertilizer added to water becomes an insoluble residue, and the residue is contained in the liquid fertilizer in a large amount.
Even if only the supernatant liquid is used as the liquid fertilizer, the insoluble residue is likely to be mixed in the liquid fertilizer.

If insoluble residue is mixed in the liquid fertilizer to be used, a pump of a device for spraying the liquid fertilizer to soil,
The valve, tube, pipe, etc. become clogged and the repair work is troublesome and difficult. Therefore, in order to prevent as much as possible the insoluble residue from being mixed in the supernatant liquid taken out from the container, the supernatant liquid below the container, which is in the vicinity of the precipitated residue, had to be discarded.

Although a method of filtering a residue in the liquid fertilizer to be sprayed by providing a strainer on the inlet side of the tube, etc., there is a problem that the filter medium must be frequently replaced or washed. The present invention has been made in view of the above problems, and an object of the present invention is to create a liquid fertilizer that can be prepared in a short time and insoluble residues are not mixed in the liquid fertilizer.

[0009]

In order to achieve the above object, the pack fertilizer with a filter of the present invention is composed of powdered or granular solid fertilizer which is easily dissolved in water and sealed in a bag in a predetermined amount. The bag is characterized in that a part or the whole surface of the cloth forming the bag forms a filter surface having a basis weight which is water-permeable and insoluble in the solid fertilizer component is impermeable. .

As the solid fertilizer easily soluble in water, for example, porous fertilizer having a porous structure is used. Also,
As the cloth forming the filter surface, for example, a cellulosic fiber such as cotton used for commercially available Japanese hand towels and the like may be used. Then, the packed fertilizer with a filter is immersed in water in a predetermined container to prepare liquid fertilizer, which is applied.

[0011]

In the packed fertilizer with a filter of the present invention, when water enters the bag through the filter surface of the bag, the water comes into contact with the fertilizer in the bag to dissolve the fertilizer, and the water enters the bag through the filter surface. The fertilizer component dissolved with water is eluted, and the insoluble component in the fertilizer component, that is, the residue remains in the bag.

At this time, by using a solid fertilizer which is easily soluble in water, the soluble fertilizer component in the bag immersed in water is eluted from the bag without rubbing or stirring the bag. By utilizing this action, the packed fertilizer with a filter is immersed in water in a container such as a tank to elute only the water-soluble component of the solid fertilizer in the bag out of the bag to prepare liquid fertilizer. Alternatively, water is dropped toward the packed fertilizer with a filter placed in a container, the water is immersed in the packed fertilizer, and the fertilizer in the bag is eluted to form a liquid fertilizer.

When the above-mentioned pack fertilizer is put into a container,
Since the entire bag is charged, the fertilizer powder is prevented from flying around when the bag is charged. In addition, since the amount of fertilizer in each bag is sealed in a fixed amount, it is possible to add the required amount of fertilizer by simply adding the required number of bags to the container, and save the labor such as weighing at the time of input. At the same time, mistakes in the input amount are reduced.

At this time, since the insoluble residue of the solid fertilizer remains in the bag, all the liquid fertilizer formed can be used effectively and the clogging of the tube or the like due to the residue generated in the past can be prevented. To be done. In addition, since it is not necessary to precipitate the residue, liquid fertilizer can be prepared in a much shorter time and with less effort than in the past.

It has been confirmed by experiments that the fertilizer component dissolved in the water in the container naturally diffuses to a constant concentration even if it is left without stirring.

[0016]

Embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the packed fertilizer with filter of the present embodiment is configured by enclosing 1 kg of solid fertilizer 2 in a bag 1. The solid fertilizer 2 contains 16% of its components.
%, Phosphoric acid 16%, potassium 10%, and a particle size of 0.
It is a porous fertilizer having a porous structure of 5 to 5.0 mm. Since this porous fertilizer has a porous structure, water easily penetrates into the fertilizer and can be dissolved very quickly.

The fabric forming the bag 1 is made of a cellulosic fiber having a basis weight of 50 g / m ² . As a result, an insoluble residue having a size that would clog the holes and the like opened in the irrigation tube is formed in the bag 1.
It does not come out of the bag and is water permeable, and the entire surface of the bag 1 serves as a filter surface. In addition, a part of the bag 1 is made of the above cloth,
The other surface is made of impermeable cloth such as vinyl,
Only part of the bag 1 may be used as the filter surface.

Next, an example of a liquid fertilizer making method using the packed fertilizer 3 with a filter will be described. As shown in FIG. 2, only 5 bags of the packed fertilizer with a filter 3 having the above-mentioned structure and about 900 liters of water 4 are used. Is placed in a drum 5 containing the. Then, the water 4 in the drum can 5 is dipped inside the bag 1 to dissolve the solid fertilizer 2 in the bag 1, and the dissolved fertilizer component is eluted from the bag 1 and mixed into the water 4 in the drum can 5. .

By leaving the above state for about 1 hour, the water 4 in the drum can 5 becomes liquid fertilizer having a desired concentration. In addition, it has been confirmed by an experiment that liquid fertilizer having a desired concentration can be formed in about 10 minutes by immersing the packed fertilizer 3 in the water in the drum 5 while shaking it.

Next, the pack fertilizers 3 are lightly squeezed and removed from the drum can 5. At this time, it has been confirmed that the liquid fertilizer in the drum can 5 after the pack fertilizer 3 is removed is not mixed with a residue having an unacceptable size. In addition, with the string 6 attached to the pack fertilizer 3,
As shown in FIG. 4, the pack fertilizer 3 may be easily removed or shaken by immersing the pack fertilizer 3 in a suspended state through the string 6 in the water 4 in the drum can 5. .

Further, the upper side of the bag 1 is made of vinyl or the like instead of being used as a filter surface to facilitate floating, and the upper side of the pack fertilizer 3 is floated from water to facilitate removal of the pack fertilizer 3. By having a vinyl portion, the fertilizer component dissolved during the removal may be prevented from adhering to the hand.
Next, using the liquid fertilizer as a stock solution, the stock solution is transferred to a tank 7 and diluted 200 times with water as shown in FIG. And
The diluted liquid fertilizer is supplied to the irrigation tube 9 by the pump 8 or the like which constitutes the liquid fertilizer spraying machine, and is sprayed from a plurality of holes opened in the tube 9 to spray the liquid fertilizer on the soil.

When the above-mentioned liquid fertilizer was sprayed as a supplemental fertilizer for tomatoes grown in greenhouse, which is a facility cultivation, the pump 8
It was confirmed that the tube 9 and the tube 9 were not clogged.
Of course, a strainer may be installed in the liquid fertilizer sprayer to thoroughly remove residues and the like. In the case of this embodiment, since almost no residue is present in the liquid fertilizer, it is not necessary to frequently replace or wash the strainer filter cloth.

Although the pack fertilizer 3 is removed from the liquid fertilizer formed in the above-mentioned embodiment, the liquid fertilizer in the drum can 5 is used by leaving it in the drum can 5 as it is, and the liquid fertilizer is reduced. The bag 1 may be removed from the bag. Further, in the above-mentioned embodiment, 10 kg of fertilizer is enclosed in one bag, but the fertilizer is enclosed in each bag while changing the weight to 1 kg, 5 kg, etc., to prepare a pack fertilizer 3 with a plurality of weights of the filter, The required weight of fertilizer may be immersed in the water 4 in the drum 5 by combining the plurality of weights of the pack fertilizer 3.

At this time, it is preferable that the color of the bag 1 is blue for 1 kg, red for 5 kg, etc. according to the weight. Further, in the above-mentioned examples, the cellulosic fibers used in Japanese hand towels and the like are used as the fabric of the bag 1 for enclosing the fertilizer, but the eyes are not extremely coarse and the eyes are not overly clogged with natural and synthetic fibers. The filter surface of the bag 1 may be formed using a woven fabric or a non-woven fabric made of.

Further, in the above embodiment, the liquid fertilizer prepared in the drum can 5 is used after being diluted in another container 7, but as shown in FIG. A supply can 11 which is supplied to the liquid fertilizer diluting apparatus 10 via the
It is also possible to supply water through the liquid fertilizer diluting device 10 to dilute the liquid fertilizer in the drum can 5 and supply it to a predetermined facility. In FIG. 5, liquid fertilizer can be supplied by branching and selecting to five facilities.

Further, in all of the above-mentioned embodiments, the liquid fertilizer prepared in the drum can 5 is used after being diluted once. However, as shown in FIG. By adding water 4, the pack fertilizer 3
While part or all of the container 1 is immersed in water 4 to elute the water-soluble fertilizer component in the pack fertilizer 3 into the water 4, the container 1
Liquid fertilizer diluted to a predetermined concentration may be directly prepared by causing the liquid to flow down from the mouth 12a provided in 2, and receiving the liquid flowing down in the water receiving tank 13.

At this time, the amount of water to be supplied to the container 12 is determined by measuring the amount of water at the water supply port of the pipe 11 for supplying water or measuring the water level in the water receiving tank 13, and the packed fertilizer stored in the container 12 is determined. Only the amount of water corresponding to the amount of liquid fertilizer that can be created from 3 is supplied to the container 12. In addition, as shown in FIG. 7, a liquid fertilizer dropping device 15 is installed in the middle of the irrigation pipeline 14, and the packed fertilizer with filter 3 is housed in a container 16 having a drainage hole 16a on the bottom surface. Water 4 is dripped toward the pack fertilizer 3. Then, the dripped water 4 is dipped in the pack fertilizer 3 in the container 16, the fertilizer component dissolved in the dipped water 4 is eluted from the lower surface of the bag 1, and the liquid fertilizer is discharged from the drain hole 16a on the bottom surface of the container 16. Drops. Then, the dropped liquid fertilizer is used as a liquid fertilizer dropping device 15
To supply irrigation water to the irrigation pipeline 14,
You may make it mix the liquid fertilizer created from the pack fertilizer 3.

At this time, only the upper surface 3a of the bag 1 and the lower surface 3b of the bag 1 which collide with the water 4 dripping from above and the lower surface 3b of the bag 1 are used as filter surfaces so that the dissolved fertilizer component does not elute from the side surface of the bag 1. Alternatively, the eluted liquid fertilizer may be efficiently dropped from the discharge hole 16a.

[0029]

As described above, according to the pack fertilizer with a filter of the present invention and the liquid fertilizer preparation method using the same, in the field, almost no residue is generated based on the solid fertilizer in a short time without any trouble. There is an effect that liquid fertilizer that is not mixed can be created.

[Brief description of drawings]

FIG. 1 is a partially cutaway view showing a pack fertilizer with a filter according to an embodiment of the present invention.

FIG. 2 is a diagram showing a state in which a pack fertilizer with forta according to an embodiment of the present invention is immersed in water in a container.

FIG. 3 is a schematic configuration diagram showing the supply of liquid fertilizer produced in an example according to the present invention.

FIG. 4 is a diagram showing a state in which a fort pack fertilizer with a fort according to a second embodiment of the present invention is immersed in water in a container.

FIG. 5 is a schematic configuration diagram showing the supply of liquid fertilizer produced in the second embodiment according to the present invention.

FIG. 6 is a schematic configuration diagram showing a liquid fertilizer making method of a second embodiment according to the present invention.

FIG. 7 is a schematic configuration diagram showing a liquid fertilizer making method of a third embodiment according to the present invention.

[Explanation of symbols]

 1 bag 2 solid fertilizer 3 pack fertilizer with filter 4 water 5 drums (container)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshio Kasamatsu 2-7-17 Ichibancho, Aoba-ku, Sendai-shi, Miyagi Chisso Asahi Fertilizer Co., Ltd.

Claims (2)

[Claims] 1. A powdery or granular water-soluble solid fertilizer is enclosed in a bag in a predetermined amount, and the bag is water-permeable to a part or all of the fabric constituting the bag. Further, a packed fertilizer with a filter, wherein a filter surface having a basis weight that does not allow the insoluble component in the solid fertilizer component to pass therethrough is formed. 2. A liquid fertilizer producing method, which comprises immersing the packed fertilizer with a filter according to claim 1 in water in a predetermined container to produce liquid fertilizer.