JPS6088B2 - Gravity and vacuum filtration device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a sieving device for separating solids and liquids through a sieve material using gravity and vacuum.

BACKGROUND TECHNOLOGY Conventionally, there has been known a gravity sanitation device in which a sanitation belt is held between rotating circular side plates and sanitation liquid is evaporated by gravity (Japanese Patent Application Laid-Open No. 48-20161). As the waste accumulates, the speed of the horizontal liquid slows down, the level of the liquid rises, and the liquid overflows from the liquid device, making it impossible to pass through the liquid. Therefore, it is necessary to rotate the horizontal liquid belt and transfer the liquid one by one to create a new liquid. was there.

However, since this type of device only uses gravity to pass through the rip, it has the disadvantage that it cannot fully utilize the filtration capacity of the sarukori belt, and because the overcapacity of the moat is small, it is necessary to supply a constant amount of rind liquid. Therefore, there is a drawback that a flow rate control device is required.Furthermore, it is necessary to constantly move the belt, so it is necessary to use a large number of belts, or alternatively, to circulate the belt, It was necessary to install a sediment removal device and reuse it, but in the former case, a large amount of the sarukage belt would be consumed and the cost would be high, and in the latter case, equipment such as a sarukage belt circulation device and a sediment removal device would have to be installed. It had the disadvantage of requiring power and being expensive.
In addition, those that are not powered but only pressurized or vacuum type have the disadvantage that they require equipment and power at all times and are expensive. OBJECT OF THE INVENTION The present invention improves on the above-mentioned drawbacks by reducing costs by using gravity for ant traversal in the initial stage.
When gravity is no longer sufficient to pass through the cane, or when there is an excessive supply of willow liquid, vacuum can be used to efficiently drain the lumber, save on the consumption of lumber, and avoid limiting the amount of washer liquid to a certain level. It can be operated without any problems, and all operations such as switching between gravity and vacuum and supplying and transferring oak wood can be performed automatically, making it economical and simple in configuration without requiring manual labor. The purpose of this invention is to provide an inexpensive power and vacuum filtration device.

Structure of the Invention The structure of the present invention to achieve the above-mentioned object is to form a closed tank by opening the upper part and providing a closure provided with a silk-like body below the opening, and to form a closed tank on the net-like body at the entrance of the closed tank. Lay the oak wood so that it can be moved, install a float above the opening of the sealed tank, use the lower limit switch to operate the vacuum pump, stop the vacuum pump, and connect the fishing village supply roller and delivery roller to the Sekiguchi It consists of a gravity/vacuum sieve device equipped with an upper limit switch that rotates by the length of .

Example An embodiment of the invention will be described with reference to the drawings.

In Fig. 1, reference numeral 1 denotes a closed tank, which has a wall 2 with a U-shaped cross section formed in the upper center of the tank, and an opening □ 3 formed in the semicircular surface at the center of the wall 2. 4 or punch board etc. are stretched to form the moat support surface.

The semicircular part of the wall 2 has a disk 5 on both sides and a shaft 6 (see Fig. 2).
A supply roller 8 and a delivery roller 9 for monkey paper 7, which is a monkey material, are provided on the left and right above the closed tank, respectively, and the moat paper 7 is fed from a winding roll (not shown) of the moat paper 7. After passing through the supply roller 8 and being inserted between the disk 5 between the supply roller 8 and the delivery roller 9 and about 4 of the closing opening 3, it is delivered to the old oak paper sump 10 via the delivery roller 9. It looks like this. An exhaust row 1 connected to a vacuum pump (not shown) is provided above the closed tank, and a check valve 12 for discharging the filtered liquid is provided below the exhaust row 1.
One shaft 6 of the disk 5 is hollow and serves as a moat liquid injection row 3, and a float 16 that operates an upper limit switch 14 and a lower limit switch 15 is connected to the monkey liquid injection row 3.
are provided on substantially the same surface.

In FIG. 3, a supply roller 8, a disk 5, a delivery roller 9, a guide roller 19, a guide roller 20' are connected to a chain or a rope 21, and are rotated by a delivery roller 9 serving as a driving roller. The paper 7 is inserted into the concave groove 5' (second
(see figure) and a chain or rope 21.
It rotates and is sent out.

When the thick water 17 is injected from the monkey liquid injection row 3 into the wall 2 part having a U-shaped cross section, the liquid 17 is filtered through the paper 7 on the opening □3, and the filtered liquid 18 is transferred to the sealed tank 1 by gravity. The liquid falls inside and is discharged from the check valve 12 to the outside.

When the liquid 17 is supplied in excess of the ripple speed, or when the paper 7 is clogged and cannot be passed through the liquid by gravity, the surface of the liquid 17 rises, pushing up the float 16, which causes the lower limit switch to move. 15 is activated.

Since the lower limit switch 15 is designed to operate a vacuum pump, air is removed from the exhaust port 11 and the inside of the sealed tank 1 becomes a vacuum state, and the monkey liquid 17 is sucked into the sealed tank 1 according to the degree of vacuum. Increases hypersensitivity. As the week progresses, the clogging of the paper 7 increases and the monkey liquid 17 stops falling, and the level of the monkey liquid rises further, causing the float 16 to operate the upper limit switch 14. The upper limit switch 14 stops the vacuum pump and introduces air into the closed tank 1 to return the vacuum to atmospheric pressure. Since the closed tank 1 is provided with a check valve 12 that closes under vacuum and opens under atmospheric pressure, the check valve 12 opens to discharge the liquid 18 from the closed tank. Also, at the same time, the upper limit switch 14 operates a timer that controls the power supply of the drive motor of the delivery roller 9, so that the delivery roller 9 and therefore the supply roller 8 are activated.
are rotated by an amount corresponding to the length of the closed opening 3, and the monkey paper 7 is fed out by the length of the clogged part, and as the new monkey paper 7 comes to cover the closed opening 3, the monkey The liquid 17 quickly falls due to gravity, and the float 16 descends to its original position. In this way, the system automatically returns to the initial state and repeats the sarugal action. Effects of the Invention Since this invention has the above-mentioned configuration, in the initial stage when the waste in the liquid does not clog the paper made of oak wood, the liquid can be drained by gravity, so no power is required. This means that there is no need to spend any money, and when there is an excess supply of washi liquid that exceeds the saru's capacity, or when the saru paper cannot be passed by gravity, the saru paper becomes clogged and the saru's capacity decreases. Then, the vacuum pump is activated to apply vacuum to fully utilize the paper's paper-cutting ability, and increase the paper-cutting speed to improve efficiency.After the paper's paper-cutting capacity is fully utilized The old paper that has become clogged with waste materials is moved the length of the area and is discharged, so the consumption of paper is extremely low and materials can be saved.

In addition, even if the amount of liquid is supplied freely without requiring a flow rate restriction device for the liquid, the vacuum pump is operated to create a vacuum, so the operation can be performed without any trouble. Furthermore, by simply injecting liquid, operations such as switching between gravity and vacuum, supplying and transferring paper, and discharging are all performed automatically by operating upper and lower limit switches using floats, so there is no need for an operation manager. It is easy to use and economical because it does not contain any components, and the configuration of the device is extremely simple, so the price is low.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a longitudinal sectional side view, FIG. 2 is a front view cut along the low zero line of FIG. 1, and FIG. 3 shows only the horizontal drive system. FIG. 1... Sealed tank, 2... Wall, 3... Opening, 4...
Reticular body, 5... Disc, 7... Monkey wood (monkey paper), 8...
- Supply roller, 9... Delivery roller, 12... Check valve, 14... Upper limit switch, 15... Lower limit switch, 16... Float. Figure 1 Figure 2 Figure 3

Claims (1)

[Claims] 1. An opening 3 that is open at the top and has a net-like body 4 below it.
is provided to form a sealed tank 1, and an opening 3 of the sealed tank 1 is provided.
A float 16 is provided above the opening 3 of the closed tank 1, and a lower limit switch 15 for activating the vacuum pump and a lower limit switch 15 for stopping the vacuum pump are placed on the filter medium 7 so as to be movable on the net-like body 4 of the closed tank 1. A gravity/vacuum filtration device in which an upper limit switch 14 that rotates the supply roller 8 and the delivery roller 9 by the length of the opening 3 is installed in series. 2 When the filtrate passes the lower limit switch 15 to the filtrate inlet 13
When it rises to the vicinity, the upper limit switch 14
2. The gravity and vacuum filtration device according to claim 1, wherein the filtrate is activated when the filtrate rises near the upper end of the closed tank. 3. The airtight tank 1 is provided with a check valve 12 that closes at vacuum and opens at atmospheric pressure, and when the upper limit switch 14 is activated, air is introduced into the airtight tank 1. Double vacuum filtration device.