JP2600876Y2 - Separation device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for separating dust from a gas containing fine dust and the like, and more particularly to a small separating device for storing separated dust in a container.

[0002]

2. Description of the Related Art In order to separate particulate dust having various specific gravities from a gas, a separating apparatus using a flexible material such as filter cloth and filter paper is known. There is also known a separation device in which a filter element made of a soft or semi-hard material such as a porous synthetic resin is suspended and mounted in a container having a predetermined shape.

[0003]

The former separation device uses a flexible material such as filter cloth and filter paper, so that the size of the filter element can be made freely and the size of the separation device can be reduced. Is easy, but the filter element is not self-supporting, so it is easy for a gap to be created.It is necessary to devise fasteners such as bolts and nuts to securely install the filter element in the container, and it is necessary to freely attach and remove Have difficulty. Further, such a filter element is liable to be clogged with dust during filtration, and the filtration efficiency is reduced. Moreover, the dust is cut into the seam, so that the cleaning is difficult, and the filter element needs to be replaced frequently.

On the other hand, since the latter separation device uses a soft or semi-hard material, the size of the filter element is increased. When the filter element is mounted, a mounting flange or the like is provided at an opening edge of the filter element, and a mounting plate is provided. In this case, a connecting device such as a bolt and a nut is used, and the device is mounted in a sealed state by a connecting device or welding. Moreover, it is usually equipped with a washing and dropping device and a take-out mechanism to make it easy to take out the separated dust. Therefore, a great deal of labor is required in the disassembling and assembling work of the separation device for maintenance.

The present invention has been made in view of the above-mentioned problems, and it is easy to clean the filter or replace the separation filter element itself, to reduce the size of the filter itself and the separation device, and to seal the filter. It is an object of the present invention to provide a separation device that has high stopping performance.

[0006]

According to the present invention, there is provided a separating apparatus comprising a separating filter element and a casing for accommodating the separating filter element, wherein the filter element has one end having a discharge opening. A synthetic resin porous cylindrical filter whose other end is sealed with an obturator plug, and a filter mounting plate that separates an intake chamber and an exhaust chamber, which is attached so that a discharge opening of the filter matches a through hole. Having, the casing, a container body provided with an intake chamber for containing the filtering element and the separated dust,
A lid provided with an exhaust chamber and an exhaust port, the filter element is housed in the container body, the lid is covered and sealed, and an intake port communicating with the intake chamber is provided. Is a separation device.

[0007] An intake port communicating with the intake chamber can be provided in the filter mounting plate.

[0008] The filtering element may be attached to a top plate connected to the lid via a hanging member provided upright on the lid, and the top plate may be provided with an intake port communicating with the intake chamber.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an end view of the separation device of the first embodiment, and FIG. 2 is an end view of the separation device of the second embodiment.

[0010] The separating device is composed of a separating filter element and a casing accommodating the same. For example, when used for collecting toner in a toner plant facility, the separation device can have a diameter of about 400 to 600 mm and a height of about 1.2 to 1.5 m. The filtering element for separation comprises a cylindrical filter 1 made of synthetic resin and a filter mounting plate 2 made of synthetic resin or metal.

In the first embodiment, the filter element is provided in such a manner that the filter mounting plate 2 is sandwiched between the peripheral portions of the container body 8 and the lid 9 via a sealing material 13 such as an O-ring. 8. The container body 8 and the lid 9 are sealed at their peripheral edges with an easily attachable / detachable fastener 10 such as a ring-shaped band so that air does not leak. The intake chamber 21 and the exhaust chamber 22 are separated by the filter mounting plate 2, and the gas flowing into the intake chamber from the intake port 5 provided in the filter mounting plate 2 passes through the filter 1 and is removed, and the clean gas is removed from the exhaust chamber. The air is discharged from the exhaust port 12 through the air outlet 22.

The filter 1 is formed in a cylindrical body having transparent and porous wall surfaces obtained by sintering a synthetic resin. As the synthetic resin, medium or high molecular weight polyethylene, ethylene-vinyl acetate copolymer, or the like is used. The porous wall is used as a suction portion, the opening at one end is used as a discharge opening 3, and the other end is sealed by press-fitting an obturator plug 4 at the opening edge.

An outer surface (or an inner surface) of the filter 1 is coated with a release material excellent in non-adhesion, such as polytetrafluoroethylene, polytetrafluoroethylene-hexafluoroethylene copolymer, polyvinylidene fluoride, etc. The trapping efficiency is improved by entering the pores on the wall surface of the perforated chamber, and the collected dust and the like are easily wiped off.

The mounting plate 2 to which the filter 1 is attached is
In the first embodiment, a suction port 5 for sucking a gas to be separated is formed in the mounting plate 2 by a suction pipe 5a. The intake pipe 5a passes through the lid 9 and is guided to the outside. The gas to be separated flows into the suction chamber 21 from the suction port 5. The through hole 6 formed in the mounting plate 2 has an inner diameter substantially equal to the outer diameter of the cylindrical filter 1. The discharge opening 3 of the cylindrical filter 1 is inserted into the through hole 6 of the mounting plate 2, and a ring-shaped locking member 7 made of synthetic resin is pressed into the inner surface of the discharge opening 3 and locked. .
However, the manner of mounting the discharge opening 3 is not limited to this. The number of the through holes 6 may be singular or plural.

The casing comprises a container body 8 and a lid 9. The container main body 8 is for storing the separating filter element and the separated dust, and is formed in a pail shape from a metal such as stainless steel having at least the depth of the separating filter element plus the dust container. , An opening edge.

The lid 9 is attached to the opening edge of the container body 8 and has an exhaust port 12 for discharging gas separated from dust. The lid 9 is made of metal such as stainless steel, like the container body 8. It is formed in a substantially dome shape having an edge portion.

In a second embodiment shown in FIG. 2, the filtering element comprises:
It is attached to a top plate 14 connected to the lid 9 via a bar-shaped hanging member 15 erected on the lid 9. The lid 9 is superimposed on a top plate 14 having an opening at the center and a peripheral portion thereof and welded or adhered to each other.
A thread is provided at an end of the hanging tool 15 erected as necessary, and the hanging tool 15 penetrates the filter plug 4 or the filter mounting plate 2.
By tightening in the direction, the filtering element is attached to the top plate 14 by pressing the sealing element 13 at the periphery of the filter mounting plate 2 via a sealing material 13 such as an O-ring. Top plate 14
Is formed by an intake pipe 5a for sucking a gas to be separated, and the intake pipe 5a is guided to the outside through the lid 9. Gas to be separated from the intake port 5 flows into the intake chamber 21.

The lid 9 on which the filtering element is mounted is overlapped on the container body 8 via a sealing material 13 such as an O-ring at the peripheral edge. The container body 8 and the lid 9 are For example, it is fastened and crimped by an easily attachable / detachable fastening tool 10 such as a ring-shaped band body, and sealed so that air does not leak.

[0019]

The filter element for separation is a filter element in which a cylindrical filter made of synthetic resin is attached to the through hole of the filter mounting plate, which is accommodated in the container body, covered with a lid, and sealed. Since the filter has a simple structure, it is easy to clean the filter or replace the filter element for separation. Since the filter is made of a synthetic resin tube and fitted so as to match the through hole of the filter mounting plate, it is easy to reduce the size of the filter itself and the separation device. Further, the sealing property of the synthetic resin cylindrical filter is also ensured. Attachment of the lid to the container body can be performed quickly with one touch.

[Brief description of the drawings]

FIG. 1 is an end view of a separation device according to a first embodiment of the present invention.

FIG. 2 is an end view of the separation device according to the second embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 filter 2 filter mounting plate 3 discharge opening 4 obstruction plug 5 intake port 5 a intake pipe 6 through hole 8 container body 9 lid 12 exhaust port 14 top plate 15 hanging tool 21 intake chamber 22 exhaust chamber

Claims (3)

(57) [Scope of request for utility model registration] 1. A separating device comprising a separating filter element and a casing accommodating the separating filter element, wherein the filter element has one end sealed with a discharge opening and the other end sealed with a plug. A porous cylindrical filter made of synthetic resin stopped,
A filter mounting plate that separates an intake chamber and an exhaust chamber, wherein the filter has a discharge opening aligned with a through hole, and the casing includes an intake chamber that stores the filtering element and separated dust. A container body, and a lid provided with an exhaust chamber and an exhaust port. The intake device accommodates the filtering element in the container body, covers and seals the lid, and communicates with the intake chamber. A separation device having a mouth. 2. The separation device according to claim 1, wherein an intake port communicating with the intake chamber is provided in the filter mounting plate. 3. The filter element is attached to a top plate connected to a lid via a hanging member erected on the lid, and the top plate is provided with an intake port communicating with the intake chamber. The separation device according to claim 1, wherein