KR101480297B1 - Cylinder machine - Google Patents

Abstract

The present invention relates to a cylinder mold paper making device including: a bottom side turbulence generating unit equipped in a space disposed in a bottom direction of a cylinder mold device in a feeding space formed between the cylinder mold device and an accommodating groove of a vat; and a different side turbulence generating unit formed in a feeding space formed in the other direction of the cylinder mold device. Even while paper ingredients are moved to a discharge direction of the vat from the feeding space, the fiber orientation of the paper ingredients can be improved. In addition, tensile strength (MD):horizontal tensile strength (CD) ratio of paper in a device direction can be adjusted to 6:4 to ensure the horizontal tensile strength (CD) of paper can be remarkably improved.

Description

{CYLINDER MACHINE}

The present invention relates to an inflow space formed between a receiving groove of a bait and a circulation cylinder and a lower turbulence generation unit provided in the inflow space located in a lower direction of the circulation cylinder and an inflow space formed in the other direction of the circulation cylinder The fiber orientation of the paper can be improved even when the paper stock moves in the inflow space in the direction of the discharge of the bait through the other turbulent flow generating unit to improve the lateral tensile strength (CD) of the paper. Tensile strength (MD) in the machine direction: The transverse tensile strength (CD) ratio of the paper is adjustable in the range of 6: 4.

Generally, because the fiber length of the raw material is arranged in the direction of rotation of the cylinder mold, the cohesion of the paper is in the machine direction (MD) / transverse tensile strength (CD) direction The tensile strength (MD) in the machine direction is relatively stronger than the tensile strength in the transverse direction.

When the raw material flows into the batt and is adsorbed to the net of the net of the net, generally, the fibers of the paper are oriented toward the rotation direction (MD) side of the net cylinder.

Therefore, in order to improve the tensile strength (CD) of the fibers of the paper, it is necessary to use a wire-cutter.

Therefore, the present invention is characterized in that the CD intensity characteristic, which is characteristic of the long-span stopper, can be obtained even when a circular saw blade is used.

The orientation of the fiber can be divided into a laminar flow layer and a turbulent layer. After the raw material is adsorbed on the gold mesh of the net cylinder, the dehydrated white water is discharged through a fan pump. In order to improve the adhesion, .

The lower the concentration of the raw material, the less the capacity of the fan pump to select a larger product. In this case, the suction power of the white water becomes greater.

Thus, the fluid flow becomes larger and the turbulent layer becomes smaller.

As a result, as the turbulence layer decreases, the orientation of the raw material is gradually oriented in the MD direction, and the MD strength of the paper becomes larger than the CD intensity because the friction force is reduced on the gold mesh of the net cylinder, The MD intensity and the CD intensity ratio of the paper are in the range of 8 to 8.5: 1.5 to 2.

The present invention is for producing a paper in which the CD strength of paper is greatly improved by adjusting the ratio of the MD strength and CD strength of the paper to 6: 4 by using a ball having a net cylinder.

That is, by increasing the turbulent layer in the fluid and increasing the frictional force, a turbulence generating part for orienting the orientation of the raw material in the direction of the CD is installed in the inside of the bait to instantaneously generate turbulence in the raw material I will.

Meanwhile, in recent years, a paper netting apparatus capable of increasing the tensile strength (CD) in the transverse direction of the paper produced by the paper mill has been proposed in Korean Patent Laid-Open Publication No. 10-2012-0041596.

The above-mentioned Korean Patent Laid-Open Publication No. 10-2012-0041596 discloses a vacuum cleaner having a vat cylinder to which a stock is supplied, a swirl cylinder which is rotatably installed in the swirl, And a turbulence generating unit disposed adjacent to a feed inlet side of the circulatory loop cylinder and generating turbulence in the feedstock at the feed inlet side to increase the transverse tensile strength of the paper produced by the feedstock grass.

However, in the case of the above-mentioned Korean Patent Laid-Open Publication No. 10-2012-0041596, the fiber orientation of the stock is improved on the side of the inlet of the fly-by-wire network due to the turbulence generation portion provided on the fly- The directional tensile strength CD may be increased but the fiber orientation of the material gradually decreases while the material is moved to the discharge port of the bait passing through the turbulent generation portion and the lateral tensile strength CD gradually decreases There is a problem.

Japanese Patent Application Laid-Open No. 10-2012-0041596

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an inflow space formed between a receiving groove of a bait and a circulation cylinder, The fiber orientation of the material can be improved even when the material moves from the inflow space to the discharge direction of the bait through the other turbulent flow generating unit provided in the inflow space formed in the other direction of the screen net cylinder, It is possible to control the tensile strength (MD): transverse tensile strength (CD) ratio of the paper in the machine direction to 6: 4 so that the strength (CD) can be greatly improved.

According to an aspect of the present invention, there is provided an exhaust gas purifier comprising: a semi-cylindrical receiving groove having an open top; a supply tank formed at one side of the receiving groove for supplying the ground; A batt comprising a bath; A ventilating cylinder rotatably installed in the bed in a state of being spaced apart from the bottom surface of the receiving groove by a predetermined distance, and having a metal net on an outer circumferential surface thereof; A driving unit for rotationally driving the net-work cylinder; A turbulent flow is generated in the inflow space formed between the floor of the receiving groove of the bait and the net-work cylinder and the inflow space located in the downward direction of the net-work cylinder to flow into the inflow space from the feed tank And a lower turbulent flow generating unit for generating a lower turbulence flow.

The inflow space formed in the inflow space formed between the receiving groove of the bait and the net-work cylinder is positioned in the other side of the net-work cylinder opposite to the one side of the net work cylinder, And a second turbulent flow generating part generating a turbulent flow in the stock material flowing in the second direction.

The lower turbulence generation unit and the second turbulent flow generation unit may include a first rotary shaft and a second rotary shaft, respectively, which are axially coupled to the inflow space located in a lower direction of the perimeter cylinder and the inflow space located in the other direction of the perimeter cylinder, and; And a plurality of first rotating blades intermittently formed on the outer peripheral surface of the first rotating shaft and the outer peripheral surface of the second rotating shaft in a spiral direction.

A first driving member that is axially coupled to a first rotating shaft of the lower turbulent flow generating unit and rotates the first rotating shaft; And a second driving member that is axially coupled to a second rotating shaft of the other turbulent flow generating unit and rotates the second rotating shaft.

A first rotation speed regulator for regulating a rotation speed of the first rotation shaft; And a second rotation speed regulator for regulating the rotation speed of the second rotation shaft.

The inflow space formed in the inflow space formed between the receiving groove of the bait and the wind tunnel cylinder is located in the inflow space located in one direction of the wind tunnel cylinder and flows into the inflow space from the feed tank to generate turbulence in the flowing material And a turbulent flow generating unit for generating a turbulent flow.

Here, it is preferable that one side auxiliary receiving groove is formed on the bottom surface of the receiving groove so as to face one side of the one turbulent flow generating unit.

Further, it is preferable that a lower auxiliary receiving groove is formed on the bottom surface of the receiving groove facing the lower portion of the lower turbulence generating portion.

Further, it is preferable that the other side auxiliary receiving groove is formed on the bottom surface of the receiving groove so as to face the other side opposite to the one side of the other turbulent flow generating portion.

The present invention relates to an inflow space formed between a receiving groove of a bait and a circulation cylinder and a lower turbulence generation unit provided in the inflow space located in a lower direction of the circulation cylinder and an inflow space formed in the other direction of the circulation cylinder The fiber orientation of the paper can be improved even when the paper stock moves in the inflow space in the direction of the discharge of the bait through the other turbulent flow generating unit to improve the lateral tensile strength (CD) of the paper. The tensile strength in the machine direction (MD): the tensile strength in the transverse direction (CD) of the paper can be controlled within the range of 6: 4.

FIG. 1 is a cross-sectional view schematically showing a stopper, which is an embodiment of the present invention,
2 is a perspective view schematically showing a lower turbulent flow generation section,
FIG. 3 is a cross-sectional view schematically showing a spinneret according to another embodiment of the present invention,
4 is a block diagram schematically showing a control state of the control unit,
5 is a cross-sectional view schematically showing the flow state of the stock material,
Fig. 6 is a cross-sectional view schematically showing a tumbler, which is another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. It is to be understood that the scope of the present invention is not limited to the following embodiments, and various modifications may be made by those skilled in the art without departing from the technical scope of the present invention.

FIG. 1 is a cross-sectional view schematically showing a venturi stopper according to an embodiment of the present invention, and FIG. 2 is a perspective view schematically showing a lower turbulent flow generator 40.

As shown in FIGS. 1 and 2, the ventilator, which is one embodiment of the present invention, includes a batt 10, a ventilating cylinder 20, a driving unit 30 (FIG. 4), and a lower turbulent flow generating unit 40 .

First, an accommodating groove 110 is formed in the inner middle portion of the batt 10.

The receiving groove 110 is recessed to a predetermined depth in a semi-cylindrical shape convex downward from the upper portion of the boot 10 in a state where the upper portion of the receiving groove 110 is open.

3) is provided in the inner side of the batt 10 so as to be formed at one side of the receiving groove 110 in a state of being communicated with the receiving groove 110, (120) is formed at a predetermined depth in the lower part of the batt (10) at the upper part of the batt (10).

And the other end of the batt 10 is formed in the other side of the receiving groove 110 in a state of being communicated with the receiving groove 110, (130) is formed at a predetermined depth in the lower part of the batt (10) at the upper part of the batt (10).

A multistage pipe 11 and a discharge pipe 13 may be formed on one side of the batt 10 and on the other side of the batt 10 and a discharge pipe 13 5 may be supplied again to the multi-pipe 11 through the recovery means and reused.

The net cylinder 20 is spaced apart from the bottom surface F of the receiving groove 110 by a predetermined distance from the bottom surface F of the receiving groove 110, As shown in FIG.

The front side of the perimeter cylinder 20 and the rear side of the perimeter cylinder 20 may be respectively coupled to the front wall of the boot 10 and the rear wall of the boot 10 so as to be rotatable in both forward and reverse directions, (200) is provided on the outer circumferential surface of the base (20).

The ground 5 is adsorbed to the net 210 of the net-work cylinder 20 when the net-work cylinder 20 rotates normally.

1, the driving unit 30 is coupled to the front side of the perimeter cylinder 20 or the rear side of the perimeter cylinder 20 and is exposed to the outside of the percussive bat 10, The control unit (90 in FIG. 4) controls the circulation cylinder 20 to rotate normally.

1, an inflow space 60 through which the ground 5 flows in between the bottom surface F of the receiving groove 110 of the boot 10 and the outer circumferential surface of the lower portion of the net- work cylinder 20, .

Particularly, the lower turbulent flow generating unit 40 is provided in the inflow space 60 located in the inflow space 60 in the downward direction of the flow control cylinder 20, so that the inflow space 60 60 during the movement of the stock 5 in the direction of the discharge vessel 130 of the batt 10 in the inflow space 60 due to the turbulence in the flowing stock 5, The fiber orientation of the paper stock 5 can be improved and the transverse tensile strength CD of the paper can be greatly improved.

1, the lower turbulent flow generating unit 40 is positioned at the center of the inflow space 60, but the present invention is not limited thereto. The inflow space may be formed in the inflow space 60, 60 may be eccentrically formed around the center of the core.

FIG. 3 is a cross-sectional view schematically showing a fan stopper according to another embodiment of the present invention.

The fibrous orientation of the fibrous material 5 is further improved while the fibrous material 5 moves in the inflow space 60 in the direction of the discharge vessel 130 of the batt 10 so that the transverse tensile strength of the paper CD) can be improved even further,

3, of the inflow space 60 formed between the receiving groove 110 of the boot 10 and the net-work cylinder 20, one side of the net cylinder 20 The turbulence is generated in the inflow space 60 located on the opposite side of the circulation cylinder 20 which is the opposite side of the circulation cylinder 20 from the inflow space 60 to the discharge tank 130 while flowing over the feed tank 130 And a second turbulent flow generating part 50 for supplying the second turbulent flow.

The fibers of the ground 5 are mixed into a laminar flow layer and a turbulent layer before they are adsorbed in the net 210 of the circulation cylinder 20. The lower turbulence generation part 40 and the other turbulent flow generation part 50 (5) is adsorbed to the net 210 of the twist net cylinder 20 in a state where the turbulent layer of the fiber of the web 5 is enlarged, the lateral tensile strength CD of the web It naturally ascends.

Here, the types of long fibers are mica fiber, hemp fiber, abaca fiber, polyethylene terephthalate (PET) synthetic fiber, carbon fiber, aramid fiber, polyethylene (PE) fiber and polyvinyl acetate (PVA) (NBKP), hardwood bleached pulp (LBKP) and unbleached kraft pulp (UKP) that can be mixed with long fibers.

By application, membrane filters for secondary fuel cells using activated carbon fibers, such as artificial fuels, food waste paper, garment landfill, photocatalytic filter paper, carbon fiber and polyethylene fiber, Carbon paper for surface heaters, aramid fiber paper, tea bag for food, paper and wallpaper paper containing polyethylene terephthalate (PET), orchard paper, ocher paper for cigarette packing, paper for cigarette packing, titanium paper for melamine impregnation Titanium paper for acrylic impregnation, veneer cardboard for veneer.

The difference in tensile strength (CD) in the transverse direction of the paper is great depending on the size and installation position of the lower turbulence generation unit 40 or the lower turbulence generation unit 40 and the other turbulent flow generation unit 50 , The raw materials that can be used herein are titanium dioxide, ocher, charcoal, mulberry bast fiber, polyethylene terephthalate (PET) synthetic fiber, artificial fiber, activated carbon fiber, abaca fiber and zeolite-

In this case, it is possible to produce paper in which the net cylinder 20 is used singly but at the same time, the paper has significantly improved transverse tensile strength (CD). However, By using the turbulence generating unit 40 and the two other turbulent flow generating units 50, it is possible to produce as much paper as the paper in which the transverse tensile strength CD is significantly improved.

Next, in order to further improve the turbulence generation efficiency of the lower turbulence generation unit 40 and the other turbulence generation unit 50, which generate turbulence in the stock 5,

3, the lower turbulence generation unit 40 and the other turbulence generation unit 50 include first and second rotary shafts 410 and 510 and first and second rotary blades 420 and 520, .

The front and rear sides of the first rotary shaft 410 of the lower turbulent flow generator 40 are connected to the front and rear sides of the inflow space 60 located in the downward direction of the periscope cylinder 20, And can be axially coupled to the front wall and the rear wall of the housing 10.

The front and rear sides of the second rotary shaft 510 of the second turbulent flow generating unit 50 are connected to the front and rear sides of the inflow space 60 located in the other direction of the circulatory cylinder 20, And can be axially coupled to the front wall and the rear wall of the housing 10.

2, the first and second rotary vanes 420 and 520 are formed in a shape of arc in the outer direction of the first and second rotary shafts 410 and 510 at the outer circumferential surfaces of the first and second rotary shafts 410 and 510, Or the like.

The first and second rotary vanes 420 and 520 which can be protruded from the front and the rear of the first and second rotary shafts 410 and 510 (See the dashed arrows in Fig. 2).

4 is a block diagram schematically showing the control state of the control unit 80. As shown in FIG.

4, the lower turbulence generating unit 40 and the other turbulent flow generating unit 50 may include first and second driving members for rotating the first and second rotary shafts 410 and 510 430, 530).

As the first and second driving members 430 and 530, an electric motor such as a DC motor or a hydraulic motor, or a VS motor capable of controlling the rotational speed without interruption, may be used, but the present invention is not limited thereto. Of course, can be used.

The first and second driving members 430 and 530 are disposed on the front side of the first and second rotary shafts 410 and 510 or on the rear side of the first and second rotary shafts 410 and 510, As shown in Fig.

4, first and second rotational speed regulators 70 and 80 for regulating the rotational speeds of the first and second rotational shafts 410 and 510, And a control unit 90 for controlling the first and second driving members 430 and 530 according to a rotational speed value output from the first and second driving members 70 and 530.

The first and second rotational speed regulating units 70 may be provided in the controller 90 in various ways such as a push button or a dial button.

The controller 90 receives power from the power supply unit 900 according to the rotational speed value output from the first and second rotational speed regulators 70 and 80 and receives the power from the first and second driving members 430 and 530, So that the drive shaft of the motor can be rotated in both the forward and reverse directions.

Next, in order to further enhance the turbulence generation efficiency of the lower turbulence generation unit 40 and the second turbulence generation unit 50 which generate turbulence in the stock 5, the first and second driving members 430 530 and the other turbulent flow generating unit 50 may be 10 rpm to 100 rpm.

The amount of the overflow to the discharge tank 130 during the process of adsorbing the feed 5 flowing into the batt 10 to the net 210 of the hopper cylinder 210 is about 10% to 20% In other words, about 80% to 90% of the stock 5 is adsorbed to the net 210 of the hopper cylinder 210, and the lower turbulent flow generating unit 40 and the other side It is proved that the turbulence of the stock 5 is significantly improved by providing the turbulent flow generating portion 50.

After the fibers mixed in the finishing material 5 are adsorbed on the net 210 of the net-work cylinder 210, the net water is discharged to the inside of the net-work cylinder 210 by a fan pump or the like.

It is common that the capacity of the fan pump is manufactured by using a fan pump manufactured by adding a margin of 20% to the actual design capacity. However, in order to obtain good density and cohesion of the paper, %, So that the capacity of the fan pump should be increased by the capacity of low concentration.

The bottom turbulence generation unit 40 and the other turbulent flow generation unit 50 are positioned on the bottom surface F of the receiving groove 110 of the bed 10 as the suction capacity of the inner half- And the inflow space 60 formed between the outer circumferential surface of the lower end of the perimeter cylinder 20 and the lower outer circumferential surface of the perimeter cylinder 20.

Since the lower turbulence generation unit 40 and the other turbulent flow generation unit 50 are not provided in the inflow space 60 in the case of the conventional Japanese Laid-Open Patent Publication No. 10-2012-0041596, The longitudinal direction tensile strength CD of the paper is extremely low since the orientation of the fibers of the stock 5 adsorbed to the net 210 of the netting cylinder 210 is arranged to be long in the rotation direction MD of the net cylinder 20.

In addition, in Korean Patent Laid-Open Publication No. 10-2012-0041596, the position of the turbulence generating portion is a position where dispersion of the stock is improved, and therefore, the present invention is fundamentally different from the present invention.

The reason for this is that the fiber dispersion of the BaT 10 uses poly ethylene oxide (PPE), so that at the position of the turbulence generating part in the patent publication 10-2012-0041596, It is a position to play a role in improving the cohesion of fibers.

For example, the turbulence generator is installed in the head box of the trampoline, and throat roll is referred to as the throat roll at the entrance of the feed 5, while the outlet at the outlet of the wire is referred to as "slice roll" The state becomes a role.

Therefore, it is possible to make various combinations depending on the rotation speed and shape of the slice roll, even in the case of a long distance, and this can be attributed to the difference of the turbulence degrees.

The present invention is characterized in that the fibers of the stock 5 are adsorbed by using the net cylinder 20 in a state where the turbulence degree of the stock 5 introduced into the batt 10 is increased and the lateral tensile strength CD ).

Accordingly, the machine direction tensile strength (MD) / transverse direction tensile strength (Cross direction) of the paper can be controlled through adjustment of the number of revolutions and the number of rotations of the lower turbulence generation unit 40 and the other turbulent flow generation unit 50 , CD) can be controlled within the range of 8/2 to 6/4, which is advantageous in that the product can be produced by simultaneously adjusting the tensile strength (MD) in the machine direction and the tensile strength (CD) in the transverse direction of the paper.

That is, in order to increase the tensile strength in the transverse direction of paper, increasing the number of the lower turbulence generation unit 40 and the other turbulence generation unit 50 and simultaneously increasing the rotation speed may produce respective desired turbulence levels It is.

Therefore, the orientation of the fibers of the stock 5 is a technique for increasing the transverse tensile strength (CD) of the paper by giving turbulence in a forward direction in which the twist net cylinder 20 rotates.

The shape of the lower turbulent flow generating unit 40 and the other turbulent flow generating unit 50 should be set to about 50% when the porous roll is installed. In this case, the flow rate of the feed 5 is rectified, .

In addition, a shoe having a width of 20 to 50 mm and a height of 10 to 50 mm can be attached to a shaft having a diameter of 50 to 70 mm and used as a turbulent generating portion.

5 is a cross-sectional view schematically showing a flow state of the stock 5.

The inflow space 60 formed in the inflow space 60 located between the receiving groove 110 of the boot 10 and the inflow cylinder 20 in the inflow space 60, 5, through the lower turbulent flow generating unit 40 and the other turbulent flow generating unit 50 provided in the inflow space 60 formed in the other direction of the return net cylinder 20, The fiber orientation of the paper stock 5 can be improved while the paper stock 5 moves in the direction of the discharge vessel 130 of the bait 10 so that the transverse tensile strength CD of the paper can be greatly improved have.

Fig. 6 is a cross-sectional view schematically showing a tumbler, which is another embodiment of the present invention.

Next, during the movement of the stock 5 in the direction of the inflow space 60 in the supply tank 120, the fiber orientation of the stock 5 is improved and the lateral tensile strength CD of the paper is further increased To be able to be improved,

6, among the inflow space 60 formed between the receiving groove 110 of the batt 10 and the net-work cylinder 20, as shown in FIG. 6, A turbulent flow generating unit (90) provided in the inflow space (60) located in one direction and generating turbulence in the feedstock (5) flowing into the inflow space (60) from the supply tank (120) The better.

The one side turbulence generation unit 90 may include a third rotary shaft 910 and a third rotary blade 920 to further enhance the turbulence generation efficiency of the one side turbulence generation unit 90.

The front and rear sides of the third rotary shaft 910 of the one-side turbulence generation unit 90 are connected to the front and rear sides of the inflow space 60 located in one direction of the perimeter cylinder 20, And can be axially coupled to the front wall and the rear wall of the housing 10.

The third rotary blade 920 is formed to protrude from the outer circumferential surface of the third rotary shaft 910 toward the outside of the third rotary shaft 910 like a first rotary blade 920, .

The third rotary blade 920 protruding from the third rotary shaft 910 may be formed on the front side of the third rotary shaft 910 like the first and second rotary blades 420 and 520, In a spiral direction in the backward direction of the main body 100A.

4, the one-side turbulence generation unit 90 may further include a third driving member 930 for rotating the third rotary shaft 910 in the forward and reverse directions.

As the third driving member 930, an electric motor such as a DC motor, a hydraulic motor, or a VS motor capable of controlling the rotational speed without any restriction may be used, but the present invention is not limited thereto. Of course, can be used.

The third driving member 930 may be axially coupled to the front side of the third rotary shaft 910 or the rear side of the third rotary shaft 910 so as to be exposed to the outside of the batt 10.

Next, as shown in FIG. 4, a third rotation speed controller 100 may be further provided to adjust the rotation speed of the third rotation shaft 910.

The third rotation speed regulator 200 may be provided in the controller 90 in various ways such as a push button or a dial button.

The controller 90 receives power from the power supply unit 900 according to the rotational speed value output from the third rotational speed regulator 200 and rotates the driving shaft of the third driving member 930 .

The one side turbulence generation unit 90 rotated by the third driving member 930 in order to further enhance the turbulent generation efficiency of the one side turbulence generation unit 90 generating turbulence in the stock 5, Is preferably 10 rpm to 100 rpm.

Next, the one-side turbulence generation unit 90, the bottom-side turbulence generation unit 40, and the other-side turbulence generation unit 50, which generate turbulence in the stock 5, In order to more easily secure a space for installing the one side turbulence generation unit 90, the lower side turbulence generation unit 40 and the other side turbulence generation unit 50 in the inflow space 60,

6, the bottom surface F of the receiving groove 110 is formed with one side of the one side turbulence generation unit 90, the bottom side of the bottom side turbulence generation unit 40 and the other side turbulence generation unit 50, One lower side auxiliary receiving groove 150 and the other side auxiliary receiving groove 160 may be formed.

The one side auxiliary receiving groove 160 is recessed to a predetermined depth in the direction of the supply tank 120 from the upper side of one side of the bottom surface F of the receiving groove 110 so as to face one side of the one side turbulence generating unit 90, .

The lower auxiliary receiving groove 140 is formed at a predetermined depth in the lower direction of the batt 10 at the middle of the bottom surface F of the receiving groove 110 facing the lower portion of the lower turbulent flow generating portion 40, .

The other auxiliary receiving groove 160 is formed in the direction of the discharge vessel 130 from the other side of the bottom surface F of the receiving groove 110 to face the other side opposite to the one side of the other turbulent flow generating unit 50 It can be recessed to a certain depth.

Hereinafter, the tensile strength of the paper produced using the present invention was tested as follows.

[Experimental Example]

15% of urea resin and 2% of rosin emulsion size were uniformly mixed in a mixed pulp obtained by mixing a softwood bleached pulp (NPKP) having an average fiber length of 2.5 mm and a hardwood bleached pulp (LPKP) having an average fiber length of 0.8 mm at a weight ratio of 7: After mixing, the paper was produced with a plowing speed of 130m / min using a mortar and dried and pressed to produce paper.

In this case, the turbulence generation unit is installed as shown in the following table, and the lower turbulence generation unit A has a turbulence generation unit installed at the lower part of the circulation cylinder and the one-side turbulence generation unit B is installed at one side of the circulation cylinder The installed turbulent flow generating unit and the other turbulent flow generating unit (C) refer to the turbulent flow generating unit installed on the other side of the circulation cylinder through which the feed is discharged. The turbulence generating part has a turbulence generating part having the structure as shown in FIG.

The tensile strength was measured by the method of KS M ISO 1924, and the results are shown in Table 1.

The turbulence generating unit
Combination Tensile strength (N / mm) Tensile MD: CD
(%) MD CD
Experimental Example 1

A
4.17
1.75
70.4: 29.6
Experimental Example 2

A + C
4.05
1.83
68.9: 31.1
Experimental Example 3

A + B + C
3.72
1.90
66.2: 33.8
Experimental Example 4

B
4.45
1.30
77.4: 22.6

As shown in the above Experimental Example, in the case of Experimental Example 4, the intensity ratio of MD: CD was 77.4: 22.6, and the tensile strength in the MD direction and the tensile strength in the CD direction were large. In Experimental Examples 1 to 3, : 29.6 or less, the deviation of the tensile strength in the MD direction and the tensile strength in the CD direction is small.

10; Bart, 20; Net cylinder,
30; A driving unit 40; Bottom turbulence generator.

Claims (9)

A supply tank 120 formed on one side of the receiving groove 110 and supplying the ground 5 to the receiving groove 110; And a drainage tank (130) through which the ground material (5) is discharged. The drainage tank (130) includes an upper portion of one side of the bottom surface (F) of the receiving groove (110), a middle portion of the bottom surface A batt 10 having one side auxiliary receiving groove 140, a lower auxiliary receiving groove 150 and another side auxiliary receiving groove 160 formed on the other side of the bottom surface F of the groove 110;
A ventilating cylinder 20 rotatably installed in the bart 10 in a state of being spaced apart from the bottom surface F of the receiving groove 110 and having a metal net 210 on an outer circumference thereof;
A driving unit (30) for rotating the circulation cylinder (20);
The inflow space 60 located between the bottom surface F of the receiving groove 110 of the batt 10 and the inflow space 60 formed between the perimeter cylinder 20 and the bottom of the inflow cylinder 20 A first rotary shaft 420 intermittently formed on the outer peripheral surface of the first rotary shaft 410 in a spiral direction; And a first driving member 430 which is axially coupled to the first rotating shaft 410 and rotates the first rotating shaft 410. The first driving member 430 rotates the first rotating shaft 410, A lower turbulent flow generator 40 for generating a turbulent flow in the flow channel 5;
A second rotary shaft 510 accommodated in the other side auxiliary receiving groove 160 so as to be provided in the inflow space 60 formed between the receiving groove 110 of the batt 10 and the perimeter cylinder 20, A second rotary blade 520 which is intermittently formed in a spiral direction on the outer peripheral surface of the second rotary shaft 510 and a second rotary shaft 520 which is axially coupled to the second rotary shaft 510 to rotate the second rotary shaft 510, A second turbulent flow generating unit 50 composed of a member 530 and generating turbulence in the feedstock 5 flowing over the inflow space 130 from the inflow space 60;
The inflow space 60 formed between the receiving groove 110 of the boot 10 and the net-work cylinder 20 is provided in the inflow space 60 located in one direction of the net- work cylinder 20, A third rotary shaft 910 accommodated in the first auxiliary receiving groove 140, a third rotary blade 920 formed intermittently in a spiral direction on the outer peripheral surface of the third rotary shaft 910, And a third driving member 930 which is axially coupled to the first rotary shaft 910 and rotates the third rotary shaft 910. The third driving member 930 rotates the third rotary shaft 910 by rotating the feed shaft 120, A turbulent flow generating unit 90 for generating a turbulent flow;
A first rotation speed regulator 70 for regulating the rotation speed of the first rotation shaft 410;
A second rotation speed regulator 80 for regulating a rotation speed of the second rotation shaft 510;
And a third rotation speed regulator (100) for regulating the rotation speed of the third rotation shaft (910). delete delete delete delete delete delete delete delete

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