JPS6222716B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a liquid filtering method and apparatus suitable for brewing sake, rice vinegar, soy sauce, etc.

Conventionally, in the process of brewing Japanese sake or rice vinegar, for example, a filtration device has been used to remove dregs from the stock solution. This conventional filtration device is composed of a rectangular frame with paper stretched between an inner frame and an outer frame, and the slag components are separated from the stock solution by passing the paper through. However, with such conventional devices, it takes a lot of effort and time to collect and remove the slag components remaining on one side of the paper, and furthermore, it is necessary to interrupt overwork to collect the slag components. There are inconveniences, and there has been a strong demand for improvements to over-processing, especially in industries with small-scale brewing equipment.

The present invention provides a passing method and an apparatus therefor which are useful for improving the inconveniences in the above-mentioned passing process. at least two conical rollers disposed on the overfill material in a direction transverse to the path of the overfill material while injecting liquid from the outer end opening of the overfill material toward the inner end opening of the overfill material. is compressed and rotated in a spiral direction from the outer end opening toward the inner end opening, and the liquid injected from the outer end opening is compressed and moved toward the inner end opening, and In the case of the overfill device, a spiral tube-type overfill material is placed on an umbrella-shaped support tray, and a rotating shaft is set up at the center of the overfill material, so that the overfill material can be pressed against the rotating shaft. At least two conical rollers are pivotally supported radially and rotatably on the overfill material with their large diameter portions facing outward, and the outer end opening side of the overfill material is connected to a stock solution supply source and the inside It is characterized in that the end opening side is connected to the slag collection side.

Below, an embodiment of the present invention will be explained based on the drawings schematically showing a support tray 1. The support tray 1 has a disc shape with an umbrella-shaped slope 2 on the upper surface, and a pole is mounted on a base frame 3. 4, 4 are also fixed together, and a peripheral wall 5 extending upwardly is provided on the outer periphery, and a part of the peripheral wall 5 is provided with an outlet 6 for supercleaning liquid. Reference numeral 7 denotes an overfill material, and the overfill material 7 is of a spiral tube type as shown in FIGS.
The outer end opening 7A is placed on the support tray 1.
The inner end opening 7B is connected to the slag collection pipe 9 through the support tray 1. On the spiral overlay 7 placed on the support tray 1, there are two conical rollers 10, 10 having an inclined taper equivalent to the slope 2 of the support tray 1, with the large diameter side facing outward. and is set at a position where the overfill material 7 is compressed by its lower circumferential surface. The conical rollers 10, 10 are supported by a rotating shaft 11 extending through the center of the support tray 1, and shafts 12, 12 extending in a direction perpendicular to the rotating shaft 11.
When the rotating shaft 11 is gently rotated by a motor 13 via a worm 14 and a worm wheel 15, the conical roller 10,
10 rotates on the overfill material 7 while compressing the overfill material 7. In the figure, 16 is an upper cover.

Next, to explain the overaction of the device of the present invention having the above configuration, when the motor 13 is driven to rotate the rotating shaft 11, the conical roller rotates gently in the direction of the arrow in FIG. be done. Next, when a pump (not shown) is operated to pump the excess liquid through the supply pipe 8 from the outer end opening 7A of the excess material 7 into the outermost tube 7C, the liquid is transferred to the outermost tube 7C between the conical rollers 10 and 10. The inside of tube 7C is filled. Subsequently, as the conical rollers 10, 10 rotate, the initial stock solution flows through the arc-shaped tube substantially partitioned by both the conical rollers 10, 10, and its volume is reduced while heading toward the inner tube. At the same time, the stock solution is newly press-fitted from the outer end opening 8. As the conical rollers 10, 10 rotate on the overfill material 7 while compressing the overfill material 7 in this way, the stock solution press-fitted from the outer end opening 7A is transferred by the conical rollers 10, 10. The volume of the partitioned arcuate portion is gradually reduced while moving inward through the spiral passage, and during this time an amount corresponding to the reduction in the volume of the arcuate portion is passed through and is discharged from the outlet 6 as a cleaning liquid. It will be taken out. That is, as schematically shown in FIG. 5, the volume of the arc-shaped portion partitioned by the two conical rollers 10, 10 gradually decreases each time the conical rollers 10, 10 move by 180 degrees. The reduced amount 17 is forcibly passed through and installed from the outlet 6, and finally the inner end opening 7B of the innermost tube 7D.
The stock solution remaining in the shortest arcuate tube 7E partitioned by one conical roller 10 and one conical roller 10 is discharged from the collection pipe 9 together with unfiltered dregs.

In the embodiment, two conical rollers 10, 10 are arranged radially at a phase position of 180°, but three, four, or more conical rollers may be arranged at equal intervals. The conical rollers 10, 10 may be arranged in a radial pattern and rotated all at once, and by increasing the number of conical rollers 10, 10 and reducing the distance between them, the amount of raw liquid discharged together with the slag can be reduced. Of course, the overefficiency is improved as a result, and the number of conical rollers may be appropriately determined depending on the slag content in the stock solution. Further, the spiral overlay material 7 can be easily obtained in a desired size by overlapping two overlay fabrics such as non-woven fabrics or woven fabrics and sewing or thermally bonding them in a spiral shape.

In this way, in the present invention, the overfill material 7 having a spiral passage is placed on the umbrella-shaped support tray 1, and the liquid is directed from the outer end opening 7A of the overfill material 7 toward the inner end opening 7B. While pouring, at least two conical rollers 10, 10 arranged across the path of the overfill material 7 are moved from the outer end opening 7A to the inner end opening 7B while compressing the overfill material 7.
The outer end opening 7A is rotated in a spiral direction toward
The liquid injected into the spiral passageway of the overfill 7 is passed through while being compressed and moved toward the inner end opening 7B. The volume of the slag is gradually reduced as the conical rollers 10, 10 rotate, and the slag is passed through while flowing in the passage of the overfill material 7, so that the slag that remains without being passed through becomes sequentially spiral-shaped. Inner end opening 7B of overfill material
and is discharged together with the remaining stock solution.
Therefore, clogging of the overfill material is extremely small and continuous overworking can be carried out for a long period of time, so the number of interruptions in overworking due to replacement of the overworking device or washing as in the past is significantly reduced, and production efficiency is improved. Then, a multi-stage filtration device is constructed by arranging the above-mentioned umbrella-shaped support tray, spiral filtration material, and conical rollers in the vertical direction. If it is filtered in a small portion, it is particularly suitable for brewing sake, rice vinegar, soy sauce, etc., as it achieves a filter with less loss of stock and a good yield.

[Brief explanation of the drawing]

The drawings show embodiments of the invention,
Figure 1 is a longitudinal cross-sectional view of the device, Figure 2 is an enlarged partial cross-sectional view of the overfill material, Figure 3 is a cross-sectional plan view taken along line A-A in Figure 1, and Figure 4 is taken along line B-B in Figure 3. A cross-sectional plan view and FIG. 5 are simplified illustrations of overaction. DESCRIPTION OF SYMBOLS 1... Support tray, 2... Slope, 6... Outlet, 7... Excess material, 7A... Outer end opening, 7B...
... Inner end opening, 8 ... Stock solution supply pipe, 9 ... Sludge collection pipe, 10 ... Conical roller, 11 ...
Axis of rotation.

Claims (1)

[Claims] 1. An overfill material having a spiral passage formed therein is placed on an umbrella-shaped support tray, and a liquid is injected from an outer end opening of the overfill material toward an inner end opening. At least two conical rollers disposed on the material in a direction transverse to the path of the overmaterial are rotated in a spiral direction from the outer end opening toward the inner end opening while compressing the overmaterial, so that the outer end opening A squeezing type filtration method suitable for brewing, characterized in that the liquid injected from the inside is passed while being compressed and moved toward an inner end opening. 2. A spiral tube-type overfill material 7 is placed on an umbrella-shaped support tray 1, and a rotating shaft 11 is set up at the center of the overfill material 7, so that the overfill material 7 can be pressed against the rotating shaft 11. At least two conical rollers 10, 10 are pivotally supported radially and rotatably on the overfill material 7 with their large diameter portions facing outward, and the outer end opening 7A side of the overfill material 7 is connected to the undiluted solution. A filtration device suitable for brewing, characterized in that it is connected to a supply source and the inner end opening 7B side is connected to the dregs recovery side.