JPS6242766Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a redirect chamber provided at the lower end surface of a cone of a cyclone cleaner, which receives sedimented and separated foreign matter in the paper stock in its foreign matter receiving chamber and discharges it from a discharge hole.

Conventionally, a cyclone cleaner 1 used to remove foreign matter from paper stock is used to feed paper stock from an inlet pipe 2 above the cyclone cleaner 1 and dilute it within the cleaner 1, as shown in FIG. While creating a vortex, the flow is caused to flow out from the outflow pipe 3 near the upper end, and during this time, foreign substances such as metal pieces and gravel mixed into the paper stock are removed to the lower end 4 of the cyclone chamber.
A redirect chamber 5 is disposed at the lower end of the cyclone chamber, and the settled foreign matter is collected in a foreign matter receiving chamber 7 provided in a receiving tray 6 of the redirect chamber 5.
Since the settled foreign matter passes through the foreign matter receiving chamber 7 of the tray 6 while repeatedly colliding and frictioning, the wear of the tray 6 is extremely short. becomes unusable.

In the redirect chamber according to the present invention, the tray having the foreign matter receiving chamber that covers the opening surface of the lower end of the cyclone chamber at the lower end of the cone of the cyclone cleaner is made of ceramic with excellent wear resistance, and the ceramic tray is made of metal. Fits inside the outer case,
A discharge pipe for discharging foreign matter is attached to the outer case, and a discharge hole is bored in the ceramic tray, one end of which opens on the inner surface of the foreign matter receiving chamber, and the other end opens on the outer surface of the tray. The discharge hole of the ceramic saucer and the discharge pipe provided in the outer case communicate with each other, and the lower end opening surface (sliding surface) of the cyclone chamber is connected to the inner peripheral edge of the opening end surface of the cup-shaped outer case.
By arranging an O-ring that tightly contacts the outer peripheral surface of the open end of the ceramic saucer, and making the redirect chamber a composite structure consisting of the ceramic saucer and the metal outer case, it is durable against discharged foreign matter. It is durable and strong against external shocks, making it easy to assemble, attach parts, etc. Furthermore, the arrangement of O-rings ensures watertightness of the sliding surface, and the above-mentioned composite structure It is an object of the present invention to provide a redirect chamber which is also used as a means for preventing liquid from leaking between an outer case and a ceramic saucer.

Embodiments of the present invention will be described below with reference to FIGS. 2 to 4.

Reference numeral 14 denotes a redirect chamber, and the receptacle 15 of the redirect chamber 14 is made of ceramic, and the receptacle 15 has a concave foreign matter receiving chamber 16 in the shape of a mortar in the center thereof and opens upward. One end is attached to the inner surface of the foreign matter receiving chamber 16, and the receiving tray 15
It has a discharge hole 17 bored at the other end of the outer surface thereof.

Reference numeral 18 is a cup-shaped outer case made of metal such as stainless steel that accommodates the saucer 15, and has an open surface at the top and a discharge pipe 1 that communicates with the ceramic saucer housing chamber 26 on the side.
9 is provided, and by closely fitting the saucer 15 into the receiving chamber 26 of the outer case 18, the discharge hole 17 of the saucer 15 and the discharge pipe 19 of the outer case 18 are communicated, and the redirect chamber 14 is configured.

A flange 13 that forms a lower end opening surface of the cyclone chamber 12 is projected from the lower end 11 of the cone of the cyclone cleaner, and a redirect chamber 14 is provided so as to be slidable left and right along the opening surface under the guidance of the flange 13. An adjustment screw shaft 20 is attached to one side of the outer case 18 of the rigid chamber 14, and the adjustment screw shaft 20 is screwed into a mounting piece 21 hanging down from the end of the flange 13, and the end of the adjustment screw shaft 20 is attached. By rotating the adjustment nut 22 screwed into the cyclone cleaner, the sliding of the rigid chamber is obtained, and the opening area of the lower end of the cyclone chamber of the cyclone cleaner is adjusted, thereby preventing foreign matter from falling from the cyclone cleaner and paper stock flowing out. and is configured to adjust accordingly.

Reference numeral 23 denotes a presser metal fitting for supporting the bottom surface of the redirect chamber 14 to stabilize sliding movement and to ensure close contact of the chamber.

In addition, as an example, the saucer 1 to the outer case 18 is
5, the outer case 18 and the saucer 15 come into contact with each other, and the portion that also contacts the flange 13 surface forming the lower end opening surface of the cyclone chamber 12, that is, the inner part of the opening end surface of the cup-shaped metal outer case 18. An annular groove 25 surrounding the open end of the ceramic saucer 15 is provided at the peripheral edge, and an O-ring 2 is inserted into the annular groove 25.
4, and the O-ring 24 is brought into close contact with the outer circumferential surface of the open end of the ceramic saucer 15 and the lower end open surface of the cyclone chamber 12, respectively, so that the redirect channel from the cyclone chamber 12 of the cyclone cleaner is fitted. A configuration is shown that prevents the paper stock flowing down into the foreign matter receiving chamber 16 of the bar 14 from leaking to the outside and from leaking into the gap between the outer case 18 and the receiving tray 15.

As mentioned above, the redirect chamber of the present invention is provided on the lower end surface of the cone of a cyclone cleaner that sediments and separates foreign matter in paper stock by vortex flow, and the reject chamber for discharging the foreign matter is constructed of ceramic. , the wear resistance against friction caused by the abrasion of ejected foreign matter has been dramatically improved, and the redirect chamber, which previously could not be used after a short period of time, can now be used for several years, and maintenance management has been significantly reduced. The benefits it brings to stable operation are immeasurable, and it also greatly contributes to reducing the cost burden.

In addition, only the saucer that comes into direct contact with foreign objects is made of ceramic, and the outer case is made of metal, so that the saucer fits inside the case, which prevents damage from external impacts, which is a weak point of ceramic, and provides good protection. do.

Further, by simply fitting the ceramic saucer into the metal outer case, the discharge hole formed in the saucer can communicate with the discharge pipe of the outer case, simplifying the design and structure. In addition, the metal outer case and the ceramic saucer have a double structure, and the opening of the metal outer case is made by utilizing the fact that the end face of the metal outer case surrounds the ceramic saucer in an annular shape. An O-ring is fitted into the annular groove formed on the inner peripheral edge of the end face so as to surround the open end of the ceramic saucer so as to tightly contact the outer circumferential surface of the open end of the ceramic saucer. moving surface)
The O-ring is placed in close contact with the O-ring on the sliding surface of the redirect chamber, and the O-ring can be installed on the ceramic tray without any processing due to the above-mentioned arrangement of the O-ring. While ensuring watertightness, it also has the function of preventing liquid leakage between the metal outer case and the ceramic saucer that is associated with the above-mentioned composite structure, streamlining O-ring installation and the composite structure, It can be simplified.

Furthermore, by fitting the ceramic saucer into a metal outer case to form a rigid chamber, it is possible to perform installation and processing such as welding and screwing using the metal outer case that surrounds the outside of the saucer. While making good use of the characteristics of the ceramic saucer, it is possible to solve the weak points of ceramic, such as difficulty in attaching parts and workability, and allowing parts such as a discharge pipe to be attached without any trouble.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway side view showing a cyclone cleaner and a conventional redirect chamber, FIG. 2 is a plan view of an embodiment of the redirect chamber according to the present invention, FIG. 3 is a sectional view of the same, and FIG. Figures A and B are cross-sectional views showing the sliding state of the redirect chamber attached to the cyclone cleaner. 12...Cyclone chamber, 14...Redirect chamber, 15...Ceramic saucer, 16...
Foreign matter receiving chamber, 17...discharge hole, 18...metal outer case, 19...discharge pipe.

Claims (1)

[Scope of utility model registration request] A cyclone cleaner that sediments and separates foreign matter in paper stock by a vortex flow has a tray slidably provided at the lower end of the cone that covers the opening surface of the lower end of the cyclone chamber of the cone section, and the tray is provided with a tray that covers the opening surface of the lower end of the cyclone chamber of the cone section, and the tray is provided with a tray that covers the opening surface of the lower end of the cyclone chamber of the cone section. A foreign matter receiving chamber is provided which communicates with the lower end opening of the
A reject in a cyclone cleaner in which a discharge pipe communicating with the foreign matter receiving chamber is protruded from the outer wall of the receiving tray, and foreign matter sedimented and separated in the cyclone cleaner is received in the foreign matter receiving chamber and discharged through the discharge pipe. In the chamber, the tray having the foreign matter receiving chamber is made of ceramic, the ceramic tray is fitted in a cup-shaped metal outer case, the discharge pipe is attached to the metal outer case, and the ceramic tray is fitted in a cup-shaped metal outer case. A discharge hole is formed in the metal tray, one end of which opens on the inside surface of the foreign object receiving chamber, and the other end opens on the outside surface of the tray. An annular groove is provided on the inner peripheral edge of the opening end surface of the metal outer case to surround the opening end of the ceramic saucer, and an O-ring is fitted into the annular groove. A redirect chamber characterized in that the O-ring is in close contact with the outer peripheral surface of the opening end of the ceramic saucer and the opening surface of the lower end of the cyclone chamber.