JP2002248377A - Continuous type centrifuge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a continuous type centrifuge which continuously performs the solid-liquid separation of earth and sand water with a simple structure and capable of dealing with mud water supply of boring execution without requiring filters, etc. SOLUTION: A rotating body 6 internally formed with a closed vacant chamber 62 by matching of an upper bowl body 60 and a lower bowl body 61 is perpendicularly axially rotated by a pivoting rod 5. An injection port 50a and a drain hole 51a are respectively disposed at the top and bottom of the pivoting rod 5 in the closed vacant chamber and a spring up disk 52 is disposed at the middle thereof. An annular retaining chamber 64 segmented by annular opening/closing means 63 is formed on the peripheral part side in the closed vacant chamber. The opening/closing means is constituted to operate to partition the closed vacant chamber and the retaining chamber cooperatively with the vertical parting movement of both bowl bodies when the peripheral edge of the rotating body is opened by this movement. The opening and closing of the opening/closing means and the opening and closing of the peripheral edge of the rotating body are reversely interlocked, by which the solid contents are released from the peripheral edge at every deposition of the solid contents to the retaining chamber.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centrifugal separator for separating solid and liquid from a solid and liquid mixture, and more particularly to a method for removing earth and sand water, which is a mixture of mud water and earth and sand generated by an excavator in underground boring. And a continuous centrifugal separator for continuous solid-liquid separation.

[0002]

BACKGROUND OF THE INVENTION Boring is performed while circulating muddy water into boreholes and wells usually formed by a boring machine. The mud is obtained by dissolving bentonite or the like in water, and has functions such as prevention of swelling and collapse of the excavated pile wall, transportation of earth and sand to the surface, cooling of a bit of a boring machine, and the like. .

In the conventional drilling, a trench is dug around the excavation site, and a drainage channel and sediment water (hereinafter, abbreviated as “sediment water”) which is a mixed liquid of muddy water and sediment are stored outside of the groove. I needed to dig a pit. Excavation work for these trenches and the like, especially pit excavation work, is extremely time-consuming, and the sediment water poured into the drainage channels and pits has to be removed due to the mixture of sediment with large particles. . For this reason, it is necessary to wait for solid-liquid separation to separate muddy water and earth and sand stored in the pit, and to provide additional equipment such as a filter device or a sieve device. In addition, the surroundings of the excavation site are muddy over a wide area due to earth and water overflowing from the above-mentioned trench, and the work environment is deteriorated, such as deterioration of a scaffold.

As a method for solving the above problem, Japanese Patent Laid-Open Publication No.
000-54777 discloses a boring method that does not require excavation of drainage channels and pits. Further, as another method, a method of shortening the separation time by using a centrifugal separator for solid-liquid separation has been adopted.

[0005]

However, the above-mentioned boring method requires not only large-sized facilities such as a storage tank and a sieving apparatus but also complicated installation of the facilities.
The cost was high. Further, in the existing centrifugal separator used for the above-mentioned solid-liquid separation, filters or the like (lined filter cloth, punching metal, etc.) disposed inside the device are clogged, so that they are periodically replaced or cleaned. In addition, the replacement work is complicated, and the work efficiency is not suitable for supplying muddy water in boring work because of the so-called batch type (batch type) separation process.

[0006] Japanese Patent Application Laid-Open No. 10-165841 discloses a centrifugal separator that can continuously perform solid-liquid separation and does not require a filter or the like inside the device. However, this device has a complicated structure such as a solid-liquid separation cylinder having a double structure and two motors as driving means, so that maintenance of the device is complicated and production cost is high. I was

[0007]

Accordingly, the present invention has been made in view of the above problem, and it is possible to continuously perform solid-liquid separation of earth and sand water while having a simple structure, and to perform boring work without using a filter or the like. It is an object of the present invention to provide a continuous centrifugal separator capable of supplying muddy water.

[0008]

In order to achieve the above object, a continuous centrifugal separator according to the present invention is configured as follows. That is, a rotating body (6) having a closed vacant space (62) formed therein by vertically fitting the recesses of the upper bowl body (60) and the lower bowl body (61), and rotating about a vertical axis. ) Is formed, and an injection port (50) for introducing the water to be treated is provided near the upper part of the shaft in the closed vacant chamber (62).
a) and a drain port (51a) near the lower part of the shaft, and a ring-shaped holding chamber (64) partitioned by a ring-shaped opening / closing means (63) around the closed space (62). The opening / closing means (63) is formed by vertically moving the upper bowl (60) and the lower bowl (61) apart from each other.
When the periphery (60b, 61b) of the rotating body (6) is opened, the rotating body (6) is operated so as to partition the closed vacant chamber (62) and the holding chamber (64).

Further, the shaft support (5), which is fixed vertically by penetrating the closed space (62), holds the shaft of the rotating body (6).
The shaft support rod (5) is provided with an inlet (50a) and a drain port (51a), and between the inlet (50a) and the drain port (51a) of the shaft support rod (5). Splashing board (5
2) is arranged.

In the structure of the rotating body (6), the upper bowl body (60) and the lower bowl body (61) are each formed in a frustum-shaped shell, and the peripheral portions (60b, 61b) are connected to each other. The upper bowl (60) and the lower bowl (60) are rotatably and slidably attached to the shaft support rod (5) in a state where the upper bowl (60) is engaged with the upper bowl (60). Bowl (6
1) is appropriately separated from (1).

Further, the upper bowl (60) and the lower bowl (6)
The timely determination of the movement away from 1) is made based on the change in weight of the rotating body (6), and the sensing is performed by the sensing means (7) composed of a force transducer that supports the upper bowl (60) at three points. I have.

Further, in the engagement at the peripheral edges (60b, 61b) of the upper bowl body (60) and the lower bowl body (61), the upper bowl body (60) is moved from the lower bowl body (61) side.
A plurality of flanged pins (65a) penetrating to the side, and resilient means (65b) arranged in a biased state on the respective flanged pins (65a) penetrating to the upper bowl (60). The upper bowl (60) is connected to the lower bowl (6) by the combining means (65).
1) It is performed by urging in the direction.

The reference numerals in parentheses described in the claims and in the section of "Means for Solving the Problems" are attached with reference numerals in the drawings for reference to facilitate understanding of the structure of the invention. Of course, it is not limited to the form on the drawing.

[0014]

According to the above configuration, the present invention operates as follows. That is, by adopting the configuration of the first aspect, the sediment water injected into the rotating body is separated into two layers of the sediment retained in the peripheral portion of the closed space by the centrifugal force and the muddy water on the center side. At this time, since the opening / closing means is open, the sediment moves into and accumulates in the storage room and fills the storage room according to the supply and rotation of the sediment water. at this point,
When the upper bowl body and the lower bowl body of the rotating body are moved apart from each other, the opening / closing means is operated according to the opening of the peripheral edge, and the closed vacant room and the holding chamber are partitioned, and the sediment accumulated in the holding chamber is removed from the peripheral edge. It is released outside the rotating body. After the discharge, the upper bowl and the lower bowl are joined, and the solid-liquid separation and the accumulation of the earth and sand in the holding chamber are performed. By repeatedly performing this work, the centrifugal separation work is continuously performed. Will be performed. In addition, during such work, supply of earth and sand water continuously from the inlet,
Mud water separated into solid and liquid is continuously discharged from the drain port.

According to the second aspect of the present invention, the shaft supporting shaft that does not rotate becomes the axis of the rotating body.
By arranging the injection port and the drain port on the shaft support rod, a simple and efficient structure is obtained.

In addition, by adopting the structure of the third aspect, the sediment water injected from the injection port is efficiently guided in the centrifugal direction by hitting the flip-up board, and the sediment water is supplied from the water injection port to the drain port. This will prevent direct outflow.

Further, by adopting the configuration of claim 4, the sediment water is efficiently moved to the peripheral portion along the frustum-shaped shell, and the separated sediment water is concentrated near the peripheral edge of the storage chamber. Will be.

Still further, by adopting the constitutions of claims 5 and 7, it is possible to always detect the amount of sediment that has been solid-liquid separated and stayed in the rotating body, and based on such sensed information, the upper bowl body The separation operation and the joining operation of the lower bowl and the lower bowl are performed. This makes it possible to set the optimal start timing.

Finally, by adopting the structure of claim 6, it is possible to support the joining of the peripheral edges of the upper bowl and the lower bowl, and to restore the joining after the vertical separation movement, and to support the pivot of the lower bowl. It is possible to hold the rod vertically.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of a continuous centrifugal separator according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a partially cutaway perspective view showing the appearance of the continuous centrifugal separator of the present embodiment. FIG. 2 is a cross-sectional view showing the continuous centrifuge of the present embodiment.
FIG. 4 is an enlarged cross-sectional view of the shaft support rod and the rotating body of the present embodiment, FIG. 4 is an enlarged cross-sectional view of the rotating body of the present embodiment, and FIG. FIG.

As shown in FIG. 1, a continuous centrifugal separator (hereinafter, abbreviated as “the present device”) 1 according to the present embodiment mainly includes a base 2, an outer frame 3, a lid 4, and a shaft. It comprises a supporting rod 5, a rotating body 6, a hydraulic cylinder 66 as a vertical starting source of the rotating body 6, a load cell 7, a motor M as a rotating drive source, and a discharging gutter 8.

The illustrated base 2 is constructed by assembling steel frames in a cross-girder form, and laying a base 22 on the upper surface thereof via a flat plate 20 and vibration-proof rubber 21, and functions as a holding base for the entire apparatus 1. I do.

The base 22 mounts and supports the outer frame 3, the shaft support 5, and the motor M on its upper surface, and has a lower support 22 a that fits and holds the shaft support 5 upright. In addition, a motor M serving as a rotational drive source is held via a motor frame MF. The rotational driving force of the motor M is determined by a belt V that connects a motor pulley MP attached to the output shaft thereof and a bearing 61 a of a lower bowl 61, which is mounted below the shaft supporting rod 5, and is described below. The rotation is transmitted to the rotating body 6.

The outer frame 3 is a cylindrical body erected at a predetermined position on the base 22, and incorporates the shaft support rod 5 and the rotating body 6. On the side surface of the outer frame body 3, there is formed a discharging window 30 which is circulated with an opening having a predetermined vertical width, and a lower tapered (or hat-shaped) cover 3 is formed on the upper end edge of the discharging window 30.
1 is attached. Further, a lower tapered guide skirt 32 is provided below the cover 31 across the discharging window 30 so as to guide the earth and sand discharged from the storage chamber 64 of the rotating body 6 described later to the discharging gutter 8 described later. It is arranged.

The lid 4 has a cylindrical shape with a bottom and an open bottom.
Flange 4 protruding inward and outward on the lower open edge
0 is integrally formed, and the outer frame body 3 is formed via the outer flange 40a.
It is installed so as to cover and close the upper opening. The lid 4 has an upper support portion 41 provided at the center thereof, and the upper support portion 41 supports the shaft support rod 5 by penetrating therethrough. In addition, on the upper surface of the inner flange 40b, the load cells 7 as sensing means are arranged at three equally-divided circumferential positions, and the rotating body 6 is suspended and held through the load cells 7 through these. In addition, three adjustment windows 42 and three ribs 43 are formed on the side peripheral portion of the cylindrical body, each having an opening having a predetermined vertical width.

The shaft supporting rod 5 is located at the axis of the rotating body 6, and is vertically held by the lower supporting portion 22 a of the base 22 and the upper supporting portion 41 of the lid 4. I have. Further, the shaft support rod 5 extends from the upper end side to near the middle of the injection path 5.
0 is formed in a hollow shape, and the drainage channel 51 is similarly formed from the lower end side.
Are formed so as not to communicate with the injection path 50. The injection channel 50 communicates with the closed cavity 62 of the rotating body 6 at the terminal injection port 50a at the end thereof, and the drainage channel 51 similarly communicates with the closed chamber 62 at the drain port 51a. Further, the injection path 50,
The injection pipe PI and the drain pipe PO are connected to the drain passage 51 at the upper end and the lower end of the shaft support rod 5, respectively. further,
A disc-shaped flip-up board 52 is arranged between the injection port 50a and the drain port 51a of the shaft supporting rod 5, and a ring-shaped stopper 53 is integrally arranged below the drain port 51a.

Next, the structure of the rotating body 6, which is a main part of the continuous centrifugal separator 1 of the present embodiment, will be described in detail.
As shown in FIGS. 3 and 4, the rotator 6 mainly includes an upper bowl body 60, a lower bowl body 61, an engagement means 65, and a hydraulic cylinder 6.
6. The upper bowl 60 and the lower bowl 6
An opening / closing means 63 and a holding chamber 64 are formed in the closed vacant chamber 62 formed by the above-mentioned one.

First, the upper bowl body 60 is formed into a bearing 60c, a bearing part 60a as a housing thereof, and a tapered shape inclined downward from a lower position of the bearing part 60a. The shaft 60 is rotatably held at a position above the injection port 50a of the shaft support rod 5 by a bearing 60a. Also, the bearing 60c
The sliding portion 60e of the sliding bearing is annularly arranged on the inner ring member 60d, and the inner ring member 60d is connected to the sliding piece 66a of the hydraulic cylinder 66 annularly arranged above the bearing portion 60a.
With this configuration, the upper bowl body 60 smoothly slides vertically with respect to the shaft supporting rod 5 in conjunction with the vertical movement of the hydraulic cylinder 66.

The lower bowl 61 is formed into a bearing 61c, a bearing 61a as a housing thereof, and a tapered shape inclined upward from an upper position of the bearing 61a. Flange 6 that abuts on the flange 60b
1b is formed, and is brought into contact with the lower surface side of the stopper 53 of the shaft supporting rod 5 by a bearing 61a and is rotatably mounted. The fitting gap between the bearing 61a and the shaft 5 is set slightly large so that the bearing 61a and the shaft 5 can slide without friction. Further, the belt V from the motor M described above is wound around the lower side of the bearing 61a.

The upper bowl body 60 and the lower bowl body 61 are engaged with each other by engagement means 65 attached to each of the flanges 60b, 61b. The engagement means 65 includes flanges 60b, 61b
A flanged pin 65a, which is attached to the circumference equally, is placed through both flanges 60b and 61b, and the lower surface of the flange 61b of the lower bowl 61 is pushed up by the flange. The configuration is such that the nut 65c applies a biasing force in a direction in which the coil spring 65b is annularly mounted and the flanges 60b and 61b are brought into contact.

Further, a closed empty space 62 is formed by abutting engagement between the upper bowl body 60 and the lower bowl body 61. The closed chamber 62
In the inner peripheral portion, an annular storage chamber 64 is formed, which is divided by an annular opening / closing means 63. The opening / closing means 63 has an inner annular plate 63a formed in a hanging manner at a position deviated inward from the periphery of the upper bowl body 60 by a predetermined distance, and an upright standing member at a position deviated from the periphery of the lower bowl body 61 by a predetermined distance. Is formed from the outer annular plate 63c formed as described above. Both annular plates 63a and 63c are
They are arranged so that they can be slid up and down by light contact, and at the same time, corresponding to 24 long-hole discharge ports 63b and 63, respectively.
d is formed. Discharge port 63b of inner annular plate 63a
Is formed slightly smaller than the earth discharging port 63d of the outer annular plate 63c. Further, both annular plates 63a of the opening / closing means 63,
63c moves up and down in conjunction with the two bowls 60, 61, and when the two bowls 60, 61 are joined, the corresponding discharge ports 63b, 63d of the two annular plates 63a, 63c coincide with each other to form an opening. On the other hand, when the two bowls 60 and 61 are isolated from each other, the two annular plates 63a and 63c are respectively connected to the discharge ports 63b and 63b of the other party.
63d is configured to be closed. Both annular plates 63
The formation positions of a and 63c with respect to both bowls 60 and 61 may be reversed.

The opening / closing means 63 divides the closed vacant chamber 62 and the holding chamber 64 in a communicating state, and also opens and closes the two bowls 60 and 6.
The configuration is not limited to the above configuration as long as the configuration is such that the communication between the closed vacant chamber 62 and the closed-reservation chamber 64 is interlocked with each other at the time of the vertical separation of 1.

The operation of the opening / closing means 63 causes the closed vacant chamber 62
Is formed in the periphery of the storage space 64 as an annular space.
The holding chamber 64 is opened and closed by the opening / closing means 63.
At the time of joining, the opening 61 communicates with the center of the closed chamber 62, and when the bowls 60, 61 are separated from each other, the opening is shut off from the center.

Next, the structure of holding the rotating body 6 in the vertical direction with respect to the shaft supporting rod 5 will be described below. That is, a trifurcated bracket 66b connected to the hydraulic cylinder 66
Are arranged on the upper surface of the inner flange 40b of the lid 4 at equal circumferential intervals, and are supported by three load cells 7 constituting the sensing means. The entire rotating body 6 is suspended and held along the shaft supporting rod 5 by the load cell 7. The load change information of the rotating body 6 sensed by the load cell 7 is transmitted to a control panel (not shown).
Triggers the vertical movement of the hydraulic cylinder 66 via

The draining gutter 8 is, as shown in FIG.
And a gutter-like body disposed around the outer frame body 3, so as to receive the periphery of the guide skirt 32 on the outer frame body 3 side. In addition, the discharge gutter 8 is provided with a flow gradient so that the discharged earth and sand can flow (arrow a).

[0036]

Operation of the present embodiment The present apparatus 1 constructed as described above
Works as follows. 6 and 7 are explanatory views showing the operation of the present apparatus. As shown in FIG. 6, the earth and sand water conveyed from the boring site via the injection pipe PI is injected into the rotating closed vacant chamber 62 through the injection path 50 and the injection port 50a (arrow b), and centrifuged. It is radiated to the peripheral portion of the closed space 62 by the force and the flip-up board 52 (arrow c). The sediment water that the radial force acts by centrifugal force,
It is separated into two layers: earth and sand (solid phase) with heavy specific gravity and muddy water (liquid phase) with light specific gravity. Then, the solid-phase earth and sand located at the farthest peripheral portion is moved (arrow d) to the storage chamber 64 through the earth discharging holes 63b and 63d communicating with both annular plates 63a and 63c, and is accumulated. The liquid mud is drained 5
1a, and then the drain 51, the drain PO
And is conveyed again to the boring construction site (arrow e).

The load on the entire rotating body 6 due to the accumulation of earth and sand in the storage chamber 64 is sensed by the load cell 7, and when the load exceeds a predetermined amount, the hydraulic cylinder 66 is activated to activate the upper bowl body 60.
Is moved upward, and both flanges 60b, 61b of the rotating body 6 are moved.
Is released (arrow f). At this time, in conjunction with this lifting action, the corresponding earth discharging holes 63b and 63d of the opening / closing means 63 are shifted up and down to be in a closed state, and the holding room 64 is closed.
It is cut off from. As a result, the sediment deposited in the storage chamber 64 is discharged to the outside of the rotating body 6 (arrow g), guided by the cover 31 of the outer frame body 3 and the guide skirt 32 to the discharging gutter 8 (arrow h), and the flow gradient is increased. Is discharged out of the apparatus 1 in accordance with

When the total load on the rotating body 6 falls below a predetermined amount due to the above-mentioned release of earth and sand, the hydraulic pressure of the hydraulic cylinder 66 is released. As a result, the upper bowl body 60 is lowered by its own weight and the urging force (arrow i) of the coil spring 65b of the engaging means 65, and the lower flanges 60b and 61b are joined.
Also, in conjunction with this lowering action, the corresponding two discharging holes 63
b, 63d coincide with each other, the opening / closing means 63 is in an open state, and the holding chamber 64 and the closed vacant chamber 62 are in a communicating state,
The storage and accumulation of earth and sand in the holding chamber 64 starts again.

By repeating the above-mentioned divisional lifting and lowering of the rotating body 6 and the opening and closing of the opening / closing means 63 in conjunction therewith, the discharge of the earth and sand is performed batchwise, but the continuous supply of the earth and sand from the inlet 50a. From the continuous drainage of the muddy water from the drain port 51a, a continuous solid-liquid separation device can be seen as a whole of the present apparatus 1.

For reference, the rotation speed of the rotating body 6 of the present apparatus 1 is about 2000 rpm, and the processing capacity of solid-liquid separation is about 100 L / min.

[0041]

The present invention has the following configuration, and therefore has the following effects. In other words, continuous solid-liquid separation of earth and sand water is possible while having a simple structure that does not require a filter or the like in the apparatus, and the production cost and running cost of the apparatus main body can be reduced.

Further, since solid-liquid separation can be performed continuously, it can be adapted to muddy water supply in boring work, suppressing an increase in the construction cost, and omitting excavation work for pits and the like that may deteriorate the environment. It becomes possible. As described above, the contribution of the present invention to the industry is remarkable.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing the appearance of a continuous centrifugal separator of the present embodiment.

FIG. 2 is a cross-sectional view showing a continuous centrifugal separator of the present embodiment.

FIG. 3 is an enlarged sectional view showing a shaft support rod and a rotating body of the embodiment.

FIG. 4 is an enlarged cross-sectional view showing the rotating body of the present embodiment.

FIG. 5 is a perspective view showing a discharge gutter of the present embodiment.

FIG. 6 is an explanatory view showing the operation of the continuous centrifugal separator of the present embodiment.

FIG. 7 is an explanatory view showing the operation of the continuous centrifugal separator of the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 This apparatus (continuous centrifugal separator) 2 Base 20 Flat plate 21 Anti-vibration rubber 22 Base 22a Lower support part (base) 3 Outer frame body 30 Discharge window 31 Cover 32 Guide skirt 4 Lid 40 Flange (Lid) ) 40a Outer flange 40b Inner flange 41 Upper support part (of lid) 42 Adjustment window 43 Rib 5 Shaft support rod 50 Injection path 50a Injection port 51 Drainage path 51a Drainage port 52 Splashing board 53 Stopper 6 Rotating body 60 Upper bowl Body 60a Bearing (upper bowl) 60b Flange (upper bowl) 60c Bearing (upper bowl) 60d Inner ring member 60e Sliding section 61 Lower bowl 61a Bearing (lower bowl) 61b flange (Lower bowl body) 61c Bearing (lower bowl body) 62 Closed vacant chamber 63 Opening / closing means 63a Inner annular plate 63b Discharge hole 63c Outer annular plate 63d Discharge hole 6 4 Reservation chamber 65 Engagement means 65a Flanged pin 65b Coil spring 65c Nut 66 Hydraulic cylinder (vertical movement means) 66a Sliding piece 66b Bracket 7 Load cell (sensing means) 8 Discharge gutter M Motor MF Motor frame MP Motor pulley PI Injection pipe PO Discharge Government V belt

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Kotaro Seya 61, Ohata, Joban Fujiwara-cho, Iwaki-shi, Fukushima F-term in Joban Boring Co., Ltd. 4D057 AB01 AC01 AD01 AE02 AF03 BA11 BC05 BC11 CA04 CB01

Claims (7)

[Claims] 1. A rotation having a closed chamber (62) formed therein by a vertical fit between recesses of an upper bowl body (60) and a lower bowl body (61), and rotating about a vertical axis. A body (6) is formed, and an inlet (50a) for introducing water to be treated near the upper part of the shaft and a drain port (51) near the lower part of the shaft are formed in the closed space (62).
a), and a ring-shaped holding chamber (64) partitioned by a ring-shaped opening / closing means (63) is formed in a peripheral portion inside the closed vacant chamber (62). 63), when the peripheral portions (60b, 61b) of the rotating body (6) are opened due to the vertical separation movement of the upper bowl body (60) and the lower bowl body (61), A continuous centrifugal separator operable to partition the storage chamber (62) from the storage chamber (64). 2. A rotating shaft (6) is held by a shaft supporting rod (5) which is penetrated through a closed space (62) and vertically fixed, and an inlet is provided in the shaft supporting rod (5). (50a) and drain (5
2. The continuous centrifugal separator according to claim 1, wherein 1a) is provided. 3. A continuous type as claimed in claim 1, wherein a flip-up board (52) is arranged between the injection port (50a) and the drain port (51a) of the shaft support rod (5). Centrifuge. 4. The structure of a rotating body (6), wherein the upper bowl body (60) and the lower bowl body (61) are each formed in a frustum-shaped shell, and the peripheral portions (60b, 61b) are connected to each other. The upper bowl body (60) and the lower bowl (60) are vertically rotatably and slidably attached to the shaft support rod (5) in a state where the upper bowl body (60) is engaged with the upper bowl body (60). 4. The continuous centrifugal separator according to claim 1, wherein the bowl is separated from the bowl. 5. The timely judgment of the separation movement between the upper bowl body (60) and the lower bowl body (61) is made by sensing means (7) for sensing a change in weight of the rotating body (6). The continuous centrifugal separator according to claim 1, 2, 3, or 4. 6. An upper bowl (60) and a lower bowl (61).
And a plurality of flanged pins (65a) penetrating from the lower bowl (61) side to the upper bowl body (60) side and the upper bowl body (60) side. Flanged pins (65
a) a spring means (65b) arranged in a biased state in (a), and an engagement means (65) consisting of the following to urge the upper bowl body (60) toward the lower bowl body (61). The continuous centrifugal separator according to claim 1, 4 or 5, wherein: 7. The continuous centrifugal separator according to claim 5, wherein the sensing means is a force transducer that supports the upper body side of the rotating body at three points. .