Vertical type solid-liquid seperating apparatus

专利摘要:
The vertical solid-liquid separation device includes a frame; An outer cylinder supported on the frame to be rotatable about a vertical axis; An inner cylinder rotatably disposed coaxially with the outer cylinder in the outer cylinder such that an annular separation chamber is formed between an inner circumferential surface of the outer cylinder and an outer circumferential surface of the inner cylinder; And a screw blade firmly attached to the outer circumferential surface of the inner cylinder to form a narrow gap between the screw blade and the inner circumferential surface of the outer cylinder. Sewage is fed into the separation chamber. Separated and purified liquid is discharged from the top of the separation chamber and sludge is discharged from the bottom of the separation chamber. The drive means includes a first motor for driving the outer cylinder, a satellite means connected to both the outer cylinder and the inner cylinder, and a second motor for setting a speed difference between the satellite means. The cylinder is rotated in the same direction of rotation, but the rotational speed of the outer cylinder is slightly faster than the rotational speed of the inner cylinder.
公开号:KR20030013799A
申请号:KR1020010047985
申请日:2001-08-09
公开日:2003-02-15
发明作者:히로시 기타다
申请人:히로시 기타다；
IPC主号:

专利说明:

Vertical type solid-liquid seperating apparatus
[11] The present invention relates to a vertical solid-liquid separation device for separating and respectively collecting solids from a liquid in various kinds of sewage or other materials. In particular, the present invention includes a vertical outer rotating cylinder supported to rotate and an inner rotating cylinder supported to rotate inside the outer rotating cylinder, so that an annular separation chamber is formed between both cylinders, and both cylinders have a differential transmission. The present invention relates to a vertical solid-liquid separation device that is rotated in such a way that a small difference in rotation speed occurs between the cylinders.
[12] In the prior art, a variety of solid-liquid separation devices have been developed, which include circulating water sludge from sewage treatment, waste water from dredging operations in coasts, rivers, lakes and wetlands, and coal mining. It can be used to separate solids from liquids present in the wastewater generated in the solid-liquid separation of various types of sludges or in the purification of oils.
[13] In particular, in sewage treatment, solid-liquid separation is a basic technique, and methods of handling and treating contaminants or sewage sludge are an important part of sewage treatment. The inherent characteristics of sewage sludge contain a lot of organic components and water, and thus water removal by solid-liquid separation is important for achieving the "weight loss and stability" which is the basic principle for treating waste. In view of this, since the sludge is inevitably generated during the sewage treatment, the place for landfills will be infinitely required, and if the final waste is to be disposed of in landfills, it will soon face difficulties in selecting landfills. In fact, the safety of the site to be used for the final waste will be difficult to ensure year after year. As the earth's resources are depleted, the effective use of sewage sludge has become a socially important issue. The sewage itself can be a valuable source of organic material if contaminants are removed from the sewage. In addition, the inorganic material can be used as a suitable material for the product, and water separated from the solid material can be used again after chemical treatment.
[14] Therefore, improvement of the performance of the centrifugal solid-liquid separation device is eagerly expected.
[15] An object of the present invention includes an outer rotating cylinder and an inner rotating cylinder that is rotated in the same direction as the cylinder, wherein the outer rotating cylinder is rotated between the cylinders within a predetermined range with a slight difference in rotational speed. It is an improvement over the conventional solid-liquid separation device by providing a solid-liquid separation device which rotates a little faster than a cylinder, and which is capable of accurately adjusting the minute rotational speed difference between the outer and inner rotating cylinders. .
[16] According to the invention, the frame; An outer cylinder supported on the frame to be rotatable about a vertical axis; An inner cylinder rotatably disposed coaxially with the outer cylinder in the outer cylinder such that an annular separation chamber is formed between an inner circumferential surface of the outer cylinder and an outer circumferential surface of the inner cylinder; A screw blade firmly attached to the outer circumferential surface of the inner cylinder to form a narrow gap between the screw blade and the inner circumferential surface of the outer cylinder; Means for supplying sewage into the separation chamber; Means for discharging the separated, purified liquid from the top of the separation chamber; Means for discharging sludge from the bottom of the separation chamber; And a first motor for driving one of the outer and inner cylinders, a satellite means connected to both the outer and inner cylinders, and a second motor for setting a speed difference between the satellite means. A vertical solid-liquid separation device is provided in which the inner cylinder is rotated in the same direction and the rotational speed of the outer cylinder is slightly faster than the rotational speed of the inner cylinder, and the difference in the rotational speed is set within a certain defined range.
[17] The outer cylinder has a half upper portion of a vertical cylinder having a substantially constant inner diameter and a tapered half lower portion having an inner diameter gradually decreasing in a downward direction, and the inner cylinder has a vertical cylinder half upper portion and a lower portion having a substantially constant outer diameter. It has a tapered half bottom with an outer diameter that gradually decreases in the direction.
[18] The sewage supply means has a pipe extending into the inner cylinder along a vertical axis that is the center of rotation of the inner cylinder.
[19] The inner cylinder is provided with an annular chamber between the upper half and the lower half, the lower end of the pipe is opened in the annular chamber, the annular chamber is formed between a plurality of radial passages Since a plurality of radially arranged distribution plates are provided, the sewage is provided from the pipe to the annular separation chamber formed between the outer cylinder and the inner cylinder via the annular chamber and the radial passage.
[20] Each said distribution plate has a kind of shape in which the vertical dimension of the distribution plate increases radially outward.
[21] The screw blades have a substantially constant pitch on the upper half of the inner cylinder, while the pitch gradually decreases downward, at the lower half of the tapered inner cylinder. The screw blade has a double helix shape.
[22] The satellite means includes an inner star gear, a satellite gear meshing with the inner star gear, an inner star gear meshing with the satellite gear and arranged coaxially with the inner star gear, and rotatably supporting the satellite gear. The carrier is provided. The first motor is connected with the inner star gear and the outer cylinder, the second motor is connected with the outer star gear, and the carrier is connected with the inner cylinder. The satellite means have a plurality of satellite gear pieces, the gear pieces being arranged at the same angle around the outer star gear and respectively engaged with the gears.
[23] The speed reduction ratio of the satellite means is 1/200, so that the rotational speed ratio between the outer cylinder and the inner cylinder is 3,000: 2,999, and if the first motor rotates at 3000 rpm, the second motor rotates at 2800 rpm. .
[24] The satellite means includes a wave generator, the wave generator having an elliptical cam and a circumferential bearing of the elliptical cam, an inner circumferential surface made of an elastic material and in contact with the wave generator by the circumferential bearing means and an outer circumferential surface formed with a gear tooth. And a circular-spline having a flex-spline and an inner circumferential surface provided with the gear teeth arranged at the same pitch as the gears of the flex-spline. The first motor is connected to the circular-spline and the outer cylinder, the second motor is connected to the wave-generator, and the flex-spline carrier is connected to the inner cylinder. The number of gears of the circular-spline is two more than the number of gears of the flex-spline carrier.
[25] According to another object of the invention, the frame; An outer cylinder supported on the frame to be rotatable about a vertical axis; An inner cylinder rotatably disposed coaxially with the outer cylinder in the outer cylinder such that an annular separation chamber is formed between an inner circumferential surface of the outer cylinder and an outer circumferential surface of the inner cylinder; A screw blade firmly attached to the outer circumferential surface of the inner cylinder to form a narrow gap between the screw blade and the inner circumferential surface of the outer cylinder; Means for supplying sewage into the separation chamber; Means for discharging the separated, purified liquid from the top of the separation chamber; Means for discharging sludge from the bottom of the separation chamber; By driving the outer and inner cylinders, the outer and inner cylinders rotate in the same direction, the rotational speed of the outer cylinder is slightly faster than the rotational speed of the inner cylinder, the difference of the rotational speed is set within a certain limited range Way; And means for washing or drying the annular separation chamber with a washing liquid or air.
[26] The washing means includes a raceway provided in the inner cylinder for supplying the washing liquid or air, and a plurality of nozzles connected to the raceway to inject the washing liquid or air from the outer circumferential surface of the inner cylinder toward the inner circumferential surface of the outer cylinder. Doing.
[27] The nozzle is inclined so that the washing liquid or air is injected at an acute angle with respect to the inner circumferential surface of the outer cylinder.
[1] 1 is a longitudinal cross-sectional view illustrating the main part of a device representing one embodiment of a vertical solid liquid separation device according to the present invention;
[2] FIG. 2 is an enlarged longitudinal sectional view showing the inner rotating cylinder shown in FIG. 1; FIG.
[3] 3A is a cross-sectional view of the separator along the line AA ′ of FIG. 2;
[4] 3B is a cross sectional view of the separator along the line BB ′ in FIG. 3A;
[5] 4A is a longitudinal sectional view showing a water-air supply nozzle;
[6] 4B is a cross sectional view showing a portion of a water-air supply nozzle;
[7] 5A is a schematic diagram of a satellite linkage gear mechanism;
[8] 5B is a schematic side cross-sectional view showing a satellite linkage gear mechanism;
[9] 6a is a longitudinal sectional view showing a state where a differential speed motor is mounted on top of the device according to the invention;
[10] 6B is a schematic cross-sectional view showing yet another embodiment of a satellite linkage mechanism.
[28] The invention will be described in detail below with reference to the preferred embodiments illustrated in the accompanying drawings.
[29] The vertical solid-liquid separation device 1 according to the invention has an outer rotating cylinder 2, an inner rotating cylinder 3 to which a screw blade 5, an annular separating chamber and a distribution plate 4 are attached. ), A sewage supply pipe (6), a purified water drain (7), a sludge discharge port (8) and the external and internal rotary cylinder drives (9).
[30] The outer rotating cylinder (2) is rotatably supported by the device frame, and consists of a vertical cylindrical half upper portion (2a) having a substantially constant internal diameter, and a tapered cylindrical half lower portion (2b) whose inner diameter decreases gradually toward the lower portion. Both halves are fully equipped with each other to form a continuous form.
[31] The inner rotating cylinder 3 is rotatably supported coaxially inside the outer rotating cylinder 2 and has a half upper portion 3a corresponding to the vertical cylindrical half upper portion 2a of the outer rotating cylinder 2. ), A half bottom portion 3b corresponding to the tapered half bottom portion 3b of the outer rotating cylinder, and radially arranged so as to be equally distributed in the vertical direction by transferring oils connected to both halves and received in the distribution plate. It has four distribution plates 4a, 4b, 4c, and 4d.
[32] The predetermined angled inclined surface is formed on each opposite end surface of the half upper portion 3a and the half lower portion 3b of the inner rotating cylinder 3, and four grooves 3c are half upper portions of the inner rotating cylinder. And radially to fix the distribution plate on both inclined bottom surfaces.
[33] The four distribution plates 4 each have a shape extending outwardly so that the upper and lower edges of the distribution plate are tightly fitted into the grooves 3c. As shown in Figs. 3A and 3B, the distribution plates 4 are arranged at the same angle, i. In addition, the vertical dimension of each distribution plate 4 increases toward the radially outer side.
[34] An annular separator device chamber having a generally constant width in the radial direction is formed between the inner circumferential surface of the outer rotating cylinder 2 and the outer circumferential surface of the inner rotating cylinder 3. The annular dispensing device chamber has a shape in which the upper half of the chamber is almost cylindrical, and the lower half thereof gradually expands toward the lower side corresponding to the outer rotating cylinder 2 and the inner rotating cylinder 3.
[35] The screw blade 5 is firmly attached to the outer circumferential surface of the inner rotating cylinder 3, thereby forming a narrow gap between the outer circumferential edge of the inner rotating cylinder and the inner circumferential surface of the outer rotating cylinder 2.
[36] The screw blade 5 is a double helix structure, with two helix blades arranged at angular intervals of 180 °. In other words, once the inner rotating cylinder 3 rotates, the helix is advanced by two pitches. In addition, the screw blades 5 are arranged at a constant pitch in the upper half 3a of the inner rotating cylinder, and the pitch gradually goes from the tapered half lower 3b to the lower side as shown in FIG. 2. Becomes smaller.
[37] The sewage supply pipe 6 extends downward from the inner rotating cylinder 3 along the centerline of the inner rotating cylinder and has an opening at the lower end of the upper half 3a of the inner rotating cylinder 3.
[38] Water and air are used to clean and dry the interior of the device 1 to improve the degree of cleaning of the removed cleaning liquid, or to easily reduce the moisture content in the solid material, It is fed through a pipe 13 extending upwardly from below the lower end along the centerline of the inner rotating cylinder 3, and is inclined toward the inner wall of the outer rotating cylinder 2 in the inner rotating cylinder 3. From the tip nozzle 14 supplied.
[39] As shown in FIGS. 4A and 4B, the tip nozzle 14 is provided at a position between adjacent screw blades 5, such as an acute angle so that water and air can be sprayed on the outer rotating cylinder in the vertical direction. It is oriented toward the outer rotating cylinder 2 at an angle. Water is injected if the degree of cleaning is to be improved, while air is injected if the water content in the solid material is to be reduced. When the solid-liquid separation is completed, the interior of the device 1 is first washed with water and then air is supplied to dry the interior of the device 1.
[40] A plurality of washing liquid drains 7 having a structure capable of adjusting the opening degree are provided in the upper plate of the outer rotating cylinder 2 along the upper peripheral edge of the half upper portion 2a of the outer rotating cylinder 2. .
[41] The sludge outlet 8 is formed at the lower end of the outer rotary cylinder 2 to discharge the sludge, and the sludge is a solid mixture as a result of the separation of the solid and the liquid, and the outer rotary cylinder 2 It is discharged to the outside from the lower end.
[42] The outer rotating cylinder 2 and the inner rotating cylinder 3 are designed to rotate in the same direction, and the outer rotating cylinder 3 rotates a little faster than the inner rotating cylinder 3 while in a predetermined range. Is keeping the speed difference. According to the invention, the satellite linkage mechanism 20 and two motors 21, 22 are used to precisely adjust the minute rotational speed difference between the outer and inner rotating cylinders 2, 3.
[43] As shown in FIGS. 5A and 5B, the satellite interlocking gear mechanism 20 is arranged in a plurality of (in the illustrated embodiment) arranged at an equiangular pitch that engages the star inner gear 23, the star inner gear 23. Three) a satellite gear 24, a star outer gear 25 coaxially arranged with the star inner gear 23 to be engaged with the satellite gear 24, and the satellite gear 24 in a rotatable manner. It includes a carrier 25 for supporting.
[44] The main motor (first motor) 21 is directly coupled with the star inner gear 23 of the satellite linkage gear mechanism 20 and is also connected with the outer rotating cylinder 2 via a gear or pulley. . On the other hand, the differential speed motor (second motor) 22 is directly coupled with the star external gear 25 of the satellite linkage gear mechanism 20. The carrier 26 of the satellite linked gear mechanism 20 is coupled to the internal rotating cylinder 3 via a gear or pulley.
[45] The rotational speed difference between the outer and inner rotating cylinders 2, 3 is preset to an extremely small value. For example, if the reduction ratio is 1/200, the rotational speed of the outer rotary cylinder 2 is 3,000 rpm, and the rotational speed of the inner rotary cylinder 3 is 2,999 rpm, that is, the main motor 21. Rotates at 3,000 rpm, and the differential speed motor 22 also rotates at 2,800 rpm.
[46] 6A and 6B illustrate another embodiment of a satellite linkage mechanism. The satellite linkage mechanism 30 according to the embodiment includes a wave generator 31, a flex-spline (elastic gear) 34 and a circular-spline (internal gear) 36. The wave generator 31 includes an elliptical cam 32 and a circumferential bearing 33. The flex-spline 34 is formed of a thin walled cup-shaped elastic material, and contacts the wave generator 31 through the bearing 33 by the inner circumferential surface of the flex spline, on the outer circumferential surface of the flex-spline. An involute gear tooth 35 is formed. The circular-spline 36 is a rigid ring in which gear teeth 37 are formed on the inner circumferential surface of the circular-spline at the same pitch as the gear teeth 35 of the flex-spline 34. The number of gear teeth 37 of the circular-spline 36 is greater than the number of gear teeth 35 of the flex-spline 34.
[47] The main motor (first motor) 21 is coupled with the outer rotating cylinder 2 via gears or pulleys, and also with the circular-spline 36 of the satellite linkage mechanism 30. On the other hand, the differential speed motor (second motor) 22 is mounted on top of the device and, unlike the previous embodiment, is directly coupled with the wave generator 31 of the satellite linkage mechanism 30. have. The satellite linkage gear mechanism 30 is directly coupled with the internal rotating cylinder 3. When the satellite linkage gear mechanism is used, the outer and inner rotating cylinders 2,3 rotate in the same direction, but the rotational speed between the two cylinders is kept exactly different, so that the outer rotating cylinder 2 only rotates the inner. It is designed to rotate slightly faster than the cylinder 3. In consideration of this, it will be possible to couple the second motor 22 with the wave generator through a gear or pulley in the same manner as in the previous embodiment.
[48] Thereafter, the operation of the embodiment having the above structure will be described below.
[49] Four distribution plates containing sewage and solid material, and the sewage supplied from the sewage supply pipe 6 is sent to the lower end of the upper half 3a of the inner rotating cylinder 3, arranged at the same pitch in the circumferential direction. It is equally distributed by (4). At the same time, the solid matter in the sewage is finely pulverized due to the high speed rotation, so that the performance for separating the solid liquid is greatly increased, and the degree of washing of the discharge liquid is also improved. Liquid and solids in the sewage which are gently supplied to the screw blade 5 are separated from each other in the upward and downward directions, respectively, during the rotation of the screw blade 5, so that the cleaned liquid 11 is in the upper portion. The sludge 12 is discharged out of the device through the lower sludge outlet 8 while discharged out of the device through the washed liquid drain 7.
[50] In this way, the separation and regeneration of solids and liquids will be carried out in a continuous manner. By adjusting the supply ratio of the sewage to the sewage supply pipe 6 and the opening angle of the purified water drain 7, it is possible to adjust not only the ratio between the purified water and the sludge but also the discharge ratio of purified water and sludge.
[51] In this case, the screw blades 5 are arranged in a double helical shape, and the pitch of the screw blades 5 is constant at the half upper portion 3a having a constant diameter while the half having a diameter smaller toward the lower portion. Since the lower part 3b becomes smaller toward the lower part, the solid material such as sludge moves slowly downward for a long time due to low pitch movement speed despite the fast rotational speed of the inner rotating cylinder 3. This makes the solid-liquid separation significantly easier, and in particular, the classification of the solid component is further improved.
[52] According to the invention, as explained above, the outer and inner rotating cylinders 2 and 3 are rotated in the same direction at the required ratio, so that the outer rotating cylinder 2 is connected to the inner rotating cylinder 3. By allowing it to rotate slightly faster, for example at a ratio of 3,000: 2,999, and keeping the rotational speed difference extremely small and accurate between both cylinders, it is always possible to separate sludge such as solid components from the purified water.
[53] After completing the separation of the solid-liquid, as described above, the water for cleaning the device is passed through the space between the pipe 13, the tip nozzle 14 and the adjacent distribution plate 4. It is fed into the annular separation chamber of 1) to carry out the cleaning operation. Air is then supplied through the same pipe 13 into the apparatus 1 to dry the interior of the apparatus. The washing and drying operations are carried out during the rotation of the outer and inner rotating cylinders 2 and 3.
[54] According to this embodiment, the satellite linkage gear mechanism 20 and two motors 21, 22 are used to precisely set the minute rotational speed difference between the outer and inner rotating cylinders 2, 3. . Thus, the rotational speed difference between the two cylinders 2, 3 is maintained extremely precisely to always separate sludge such as solid components from the purification liquid at the required rate. In addition, since the rotation of the outer and inner rotating cylinders 2, 3 can be stabilized, the vibrations are lowered as a result of safe work, and the maintenance of the device is facilitated.
[55] As described above.

权利要求:
Claims (17)
[1" claim-type="Currently amended] A frame;
An outer cylinder supported on the frame to be rotatable about a vertical axis;
An inner cylinder rotatably disposed coaxially with the outer cylinder in the outer cylinder such that an annular separation chamber is formed between an inner circumferential surface of the outer cylinder and an outer circumferential surface of the inner cylinder;
A screw blade firmly attached to the outer circumferential surface of the inner cylinder to form a narrow gap between the screw blade and the inner circumferential surface of the outer cylinder;
Means for supplying sewage into the separation chamber;
Means for discharging the separated, purified liquid from the top of the separation chamber;
Means for discharging sludge from the bottom of the separation chamber; And
A first motor for driving one of the outer and inner cylinders, a satellite means connected to both the outer cylinder and the inner cylinder, and a second motor for setting a speed difference between the satellite means; A vertical solid-liquid separation device in which a cylinder is rotated in the same direction, and the rotational speed of the outer cylinder is slightly faster than the rotational speed of the inner cylinder, and the difference in the rotational speed is set within a certain defined range.
[2" claim-type="Currently amended] The method of claim 1,
The outer cylinder has a half upper portion of a vertical cylinder having a substantially constant inner diameter and a tapered half lower portion having an inner diameter gradually decreasing in a downward direction, and the inner cylinder has a vertical cylinder half upper portion and a lower portion having a substantially constant outer diameter. Vertical solid-liquid separation device having a tapered half bottom with an outer diameter that gradually decreases in the direction.
[3" claim-type="Currently amended] The method of claim 1,
Said sewage supply means having a pipe extending into said inner cylinder along a vertical axis that is a center of rotation of said inner cylinder.
[4" claim-type="Currently amended] The method of claim 3, wherein
The inner cylinder is provided with an annular chamber between the upper half and the lower half, the lower end of the pipe is opened in the annular chamber, the annular chamber is formed between a plurality of radial passages Since a plurality of radially arranged distribution plates are provided, the vertical solids are provided from the pipe to the annular separation chamber formed between the outer cylinder and the inner cylinder via the annular chamber and the radial passage. -Liquid separation unit.
[5" claim-type="Currently amended] The method of claim 4, wherein
Each said distribution plate is a vertical solid-liquid separation device having a kind of shape in which the vertical dimension of the distribution plate increases radially outward.
[6" claim-type="Currently amended] The method of claim 2,
And said screw blade has a substantially constant pitch on top of said half of said inner cylinder, while said pitch decreases progressively downwards, below half of said tapered inner cylinder.
[7" claim-type="Currently amended] The method of claim 1,
The screw blade is a vertical solid-liquid separation device having a double helix shape.
[8" claim-type="Currently amended] The method of claim 1,
The satellite means includes an inner star gear, a satellite gear meshed with the inner star gear, an inner star gear meshed with the satellite gear and arranged coaxially with the inner star gear, and rotatably supporting the satellite gear. Vertical solid-liquid separation device having a carrier.
[9" claim-type="Currently amended] The method of claim 8,
The first motor is connected to the inner star gear and the outer cylinder, the second motor is connected to the outer star gear, and the carrier is connected to the inner cylinder.
[10" claim-type="Currently amended] The method of claim 8,
And said satellite means comprise a plurality of satellite gear pieces, said gear pieces arranged at equal angles around said outer star gear and meshing with said gears, respectively.
[11" claim-type="Currently amended] The method of claim 8,
The speed reduction ratio of the satellite means is 1/200, so that the rotational speed ratio between the outer cylinder and the inner cylinder is 3,000: 2,999, and if the first motor rotates at 3000 rpm, the second motor rotates at 2800 rpm. Vertical solid-liquid separation device.
[12" claim-type="Currently amended] The method of claim 1,
The satellite means includes a wave generator, the wave generator having an elliptical cam and a circumferential bearing of the elliptical cam, an inner circumferential surface made of an elastic material and in contact with the wave generator by the circumferential bearing means and an outer circumferential surface formed with a gear tooth. A vertical solid-liquid separation device having a flex-spline and a circular-spline having an inner circumferential surface provided with gear teeth arranged at the same pitch as the gears of the flex-spline.
[13" claim-type="Currently amended] The method of claim 12,
The first motor is connected to the circular-spline and the outer cylinder, the second motor is connected to the wave-generator, and the flex-spline carrier is connected to the inner cylinder. Separation device.
[14" claim-type="Currently amended] The method of claim 12,
Said circular-spline gear number of which is two more than the number of gears of said flex-spline carrier.
[15" claim-type="Currently amended] A frame;
An outer cylinder supported on the frame to be rotatable about a vertical axis;
An inner cylinder rotatably disposed coaxially with the outer cylinder in the outer cylinder such that an annular separation chamber is formed between an inner circumferential surface of the outer cylinder and an outer circumferential surface of the inner cylinder;
A screw blade firmly attached to the outer circumferential surface of the inner cylinder to form a narrow gap between the screw blade and the inner circumferential surface of the outer cylinder;
Means for supplying sewage into the separation chamber;
Means for discharging the separated, purified liquid from the top of the separation chamber;
Means for discharging sludge from the bottom of the separation chamber;
By driving the outer and inner cylinders, the outer and inner cylinders rotate in the same direction, the rotational speed of the outer cylinder is slightly faster than the rotational speed of the inner cylinder, the difference of the rotational speed is set within a certain limited range Way; And
A vertical solid-liquid separation device comprising means for washing or drying the annular separation chamber with a wash liquid or air.
[16" claim-type="Currently amended] The method of claim 15,
The washing means has a raceway provided in the inner cylinder for supplying the washing liquid or air, and a plurality of nozzles connected to the raceway to inject the washing liquid or air from the outer circumferential surface of the inner cylinder toward the inner circumferential surface of the outer cylinder. Vertical solid-liquid separation unit.
[17" claim-type="Currently amended] The method of claim 15,
The nozzle is inclined so that the washing liquid or air is injected at an acute angle with respect to the inner circumferential surface of the outer cylinder.

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同族专利:

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公开号 | 公开日

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引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2001-08-09|Application filed by 히로시 기타다

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2001-08-09|Priority to KR1020010047985A

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2003-02-15|Publication of KR20030013799A

优先权:

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申请号 | 申请日 | 专利标题

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KR1020010047985A|KR20030013799A|2001-08-09|2001-08-09|Vertical type solid-liquid seperating apparatus|