JPS6257995A - Paper stock treatment apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a paper stock processing apparatus that removes impurities, foreign substances, etc. mixed in paper stock, or e-shrinks paper stock.

Conventional technology and its problems Conventional stock processing equipment uses large diameter cylindrical screens,
Alternatively, the structure is such that the paper stock 1 is thickly adhered to the outer surface of a long endless screen while dewatering is carried out to the inside of the screen, and the attached paper stock is peeled off with a doctor. Since it is an operation, there is a limit to the same rotation speed, and therefore there is a limit to the processing strength.In addition, the process of adhering the L paper stock must be taken for a long time, and the screen device becomes large. However, the face cleansing effect is inferior, and I-
It was necessary to install a plurality of screens due to the relationship with the processing force.

SUMMARY AND OBJECTIVES OF THE INVENTION The present invention was developed to solve the drawbacks of the conventional method. That is, the present invention revolves and rotates a paper stock processing basket formed of a plurality of aperture screens, and during these revolutions and rotations, the paper stocks are individually transferred from one end of the spiral fins installed in the basket to the other end. The centrifugal force in the paper stock processing basket provides continuous agitation and ridge lines, while shaking off a high percentage of white water containing ink components, etc., to the outside of the basket as waste liquid, producing purified paper stock with a high C degree and high cleaning quality. Automatically makes it easier to discharge from each stock processing basket. Provided is a paper stock processing device with excellent cleaning and concentrating effects. Furthermore, the present invention provides a processing device which is extremely compact and has a large processing capacity.

Examples of the invention The drawing shows an embodiment as a stock washing or C compacting machine.

In the drawing, l indicates a cylindrical outer shell mounted and fixed on the leg 2, and a reduction gear box 4 driven by a motor 3 is fixed to the L portion of this outer shell l, and this gear box 4 is an outer shaft 5 provided at the center of the outer body 1 shown in F and shown in L.
and an inner shaft 6, and a ball shaft 7 is connected to the rotating shaft. A rotary plate 8 is fixed to the outer shaft 5 of the two-ton shaft 7 so as to rotate together with the rotary plate 8, and as shown in FIG. It is arranged so as to rotate (revolution) together with the plate 8.

I: Paper fee processing basket) 11 is as shown in FIG.
211 inner and outer half cylinders 11b and 111 made of plate material with a large number of through holes 11a, and this inner and outer semicircular cylinder 1 l.
b, 2 sets of cylindrical screens li of 1E iR layer consisting of #1lllld sandwiched between 11C(7)
e constitutes one cylindrical screen llf. In addition to circular holes, the above-mentioned through-holes may be rectangular or groove-shaped holes, or a large number of window-shaped holes that increase the exposed area of the mesh lid per intermediate hole. In the center of the cylindrical screen if, there is a first
As shown in the figure, a fixed shaft 14 11t is passed through, and a rotating shaft cylinder 15 is provided with this fixed shaft 4i14 as a center, and a large number of through holes 16a are bored around this rotating shaft cylinder 15. A spiral fin 16 is provided,
The outer cylinder of this fin 16 is tightened with the inner surface of two sets of semi-cylindrical screens L, and the fin 16 and the cylindrical screen L are tightened.
lf rotates (rotates) together with the axis fi15.

The rotation and revolution are made to be opposite rotations, and the rotational speeds are different. Preferably, the relationship is rotation>rotation. The holes 16a of the L-shaped fins 16 are for allowing some of the paper stock to fall, and the shape of the holes is not limited, including the case where window holes with a large punching area are bored at intervals.

A driven pulley 17 is fixed to the side of the rotating shaft cylinder 15, and is rotated via a group of gears 18 by the rotation of the inner shaft 6 of the driven pulley 17 and the inner shaft 7 of the shaft 7.
A belt 20 is suspended on the E-motion pulley 19.

1- A water sprinkling pipe 21 is fixedly attached to the center of the rotation plate 8 so as to rotate coaxially with the double shaft 7, and a plurality of water nozzles 22 are installed in the water sprinkling pipe 21. It is sunk with the tip facing the paper stock processing basket II,
Furthermore, the above-mentioned paper stock processing passket is installed at the bottom of this water sprinkling pipe 21.
One end of the support tubes 23, which also serve as paper stock supply pipes with the same number as 11, is fixed, and the other end of this support pipe 23 supports the lower end of the L paper stock processing basket 11, and is formed at the bottom of the basket. Paper collector [■12 and i! I'm passing through Ii.

24 is an untreated stock supply pipe, and this untreated stock supply/i?
24 is communicated with the support tube 23 via a connecting tube 25. 26 is a water supply pipe, and this water supply /i''1-26
is connected to the I-number woodwind 21 via a connecting pipe 27. In addition, a suction source is connected to the outside [41] via a suction pipe 36, and when in use, the air pressure in the inner cavity of the outer body housing the above-mentioned bath case 1-11 is made negative pressure.

] - When the motor 3 is driven in a state where the air pressure inside the outer shell l is negative, the inner shaft 6 and the outer shaft 5 of the second train 6 are respectively rotated via the reduction gear box 4, and the outer shaft 5 is rotated. The rotation of the rotary plate 8 rotates the rotary plate 8, and the rotation of the rotary plate 8 causes the stock processing basket 11 to revolve around the outer shaft 5 (for example, at 130 to 150 revolutions/min), and the rotation of the other inner shaft 6 The main drive pulley 19 is rotated via the gear 181?7, and the rotation of the L drive pulley 19 rotates the driven pulley 17 via the belt 20, and the rotation of the driven pulley 17 causes the rotation of the rotating shaft cylinder 15 and its rotation. Both the spiral fins 16 and the cylindrical screen lle provided on the shaft cylinder 15 are rotated (for example, at 100-120 revolutions/minute) in the opposite direction to the 1-distribution rotation direction.

1- As mentioned above, the stock processing buskera hll has fins 16
At the same time, the stock processing basket 11 and its fins 16
is being rotated around the rotating shaft portion 15, the untreated stock supplied from the untreated stock supply pipe 24 is i! The paper is supplied to the lower paper 1 inlet 12 of each stock processing basket 11 through the Ii pipe 25 and each support pipe 23, and is then fed through the through hole 16a made in the fin 16 by the spiral fin 16 during the rotation and revolution. While dropping the paper stock into the paper stock processing pass 7 11, the paper stock is transferred to the paper stock outlet 28.
During this time, the revolution and rotation effects create agitation and create a ridge line, while centrifugal force discharges a large amount of white water containing impurities to the outside of the screen as a liquid.

That is, impurities such as ink components and clay components mixed in the paper stock are removed by the centrifugal force generated by the revolution and rotation of the paper stock processing basket 1.
The liquid is discharged to the outside as a waste liquid through a group of through holes 11a formed in the cylindrical screen llf of 1 and the mesh of the net ttct,
During this time, water is supplied from the river water supply pipe 26. ”
The cylindrical screen 11 is washed with water sprayed from each water nozzle 22 through water spray pipes 7 and 21 to wash away the impurities together with the impurities.

The treated stock thus washed passes through one part of the stock exit 28 of the stock processing basket 11 and is sent downstream by centrifugal force to a gutter 29 arranged annularly on the outer periphery of the L section of the outer barrel 1. The treated paper stock is sent out and enriched with a plate-shaped raking blade 30 arranged in a gutter 29 fixed to the peripheral end of the rotary plate 8, and the outer peripheral wall of the gutter 29 on the outside 1141 is enriched. window 3
Providing a squeezing device with squeezing rolls 32, 33 adjacent to the outer shell 1, which extrudes from 1a to the shoe 431;2. The press rolls 32, 33 are disposed at the lower end of the chute 31, and the washed paper stock is sent between the press rolls 32, 3'3 through the chute 31, squeezed to a predetermined concentration, and used for the next process.

Next, a description will be given of a configuration for removing foreign matter, such as pieces of iron, mixed into paper stock using the above configuration.

In figure m1, if screen 11 of stock processing basket 11 is replaced with a large screen that allows the stock to pass through, then (
, the tank 35 is fixedly attached to the stock processing basket 11 so as to accommodate the majority of the stock processing basket 11;
The tank 35 is always filled with sunken wood, and at the same water level, the tank 11 is also filled with wood.

1. In the configuration described above, when the basket 11 is revolved and rotated as described above, the unprocessed stock supplied to the stock processing basket 1-11 leaches into the tank 35 through the net [1] of the stock processing basket 11. However, if foreign matter is mixed in the paper stock, the foreign matter is removed by the fins 16 into the paper stock processing basket 1.
The treated stock from which foreign matter has been removed exceeds the 1-1 width of the tank 35 and is discharged to the outside of the stock processing basket.
It is sent out to the outside and then subjected to treatment.

Effects of the Invention As described above, the present invention revolves and rotates a paper stock processing basket equipped with spiral fins inside a cylindrical screen, and during this revolution and rotation action, the paper inside the cylindrical screen is rotated. The material is transferred from one end of the helical fin to the other while stirring and ridge line, and the plain wood is discharged outside the screen as waste liquid for treatment. It is possible to reliably solve the drawbacks such as the limited processing capacity of processing equipment such as the processing equipment that attaches 1, and the large size of the screen equipment, and it is possible to effectively process paper stock with high efficiency. We were able to make dramatic progress. In addition, it is possible to achieve high performance without achieving miniaturization, and the equipment after the deinking tower in the de-reline is 11 times larger.
] It was not possible to reduce the space by making it a cylindrical element, so it became a cane.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a cross-sectional view of the device of the present invention with some parts omitted, FIG. 2 is a side view of the same with parts omitted, and FIG. 3A is the circle t of the stock processing basket
3B is a perspective view of a spiral fin, and FIG. 4 is a side view showing the external appearance of the device of the present invention. 3...Motor, 4...Reduction gear box, 7...
・Double shaft, 8...rotating plate, 11...paper stock processing scale/), 11b, lie...inside and outside 6 circles? , 1.
11d...Net, 11e...Semi-cylindrical screen, l
lf...Cylindrical screen, 16...Spiral fin.

Claims (1)

[Claims] A plurality of stock processing baskets equipped with spiral fins are supported inside a cylindrical screen so as to revolve and rotate, and stock is supplied to one end of the stock processing basket to one end of the spiral fins. A stock inlet is provided, and a paper stock outlet is provided at the other end of the stock processing basket for discharging the paper stock sent out from the other end of the spiral fin, and the paper stock is disposed within the cylindrical screen under the revolution and rotation. A paper stock processing apparatus characterized in that processing is performed using the cylindrical screen while transferring paper from one end of a spiral fin to the other end.