JPH06154531A - Filter cleaning apparatus - Google Patents

Abstract

PURPOSE:To efficiently remove dust adhering to a filter and prevent the dust from scattering to prevent environmental pollution by blowing air to the filter while rotating either the filter or an aeration means in a cleaning container. CONSTITUTION:A filter cleaning apparatus is provided with a cleaning container 1 in which a filter 20 is set, an aeration means 40 set to face to the filter 20, and a rotating means 30 to rotate either the filter 20 or the aeration means 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust collecting device, a collecting device, or a cleaning device used in a process such as pneumatic transportation, dehumidification, and drying of a powder or granular material such as a plastic molding material, or a process of treating other fluids. The present invention relates to a device for cleaning a filter used in the device.

[0002]

2. Description of the Related Art Conventionally, as a filter cleaning device of this type, as shown in FIG. 13, a filter 100 to be cleaned is removed from a container body or the like, and the filter 10 is removed.
0, high-pressure air is ejected from the ejection hole 103 of the nozzle 102 held by the human hand 101, and the filter 10
The method of removing the dust (dust) adhering to 0 has been used as a simple method.

[0003]

However, in the above-described conventional example, since the dust (dust) adhering to the filter 100 is removed by the high pressure air from the ejection holes 103 of the nozzle 102, the dust ( (Dust) scatters, pollutes the surrounding environment, and is not good for the cleaning worker's health. The present invention is intended to solve all of the above problems.

[0004]

In order to solve the above problems, the present invention rotates a cleaning container containing a filter, an aeration means opposed to the filter, and either the filter or the aeration means. And a rotating means.

As the aeration means, a nozzle having an ejection hole is used, and compressed air is supplied to the nozzle by a compressor or the like, or a pressure-feeding or suction-type air source such as a blower, a compressor or a vacuum pump, and this air. An air vibration source for obtaining an air vibration wave such as a sound wave by the pneumatic force of the source and a nozzle having an air ejection hole, and a method of supplying the air vibration wave from the ejection hole is used. However, it goes without saying that an arbitrary method can be adopted without being limited to the above method.

It is preferable that the aeration means is installed at a position facing the outer peripheral side of the filter installed in the clean container, but the inner peripheral side or the upper side of the filter is arbitrary.

The filter can be used by putting a used one in the cleaning container according to the present invention for cleaning, or by incorporating the filter into the cleaning container from the beginning, the cleaning device can be used as a powder of a plastic material or the like. It can also be used by incorporating it into a system used for drying granules or pneumatic transportation.

As the rotating means, an arbitrary structure such as a manual rotation by a handle or an automatic rotation by a motor can be adopted.

On the outer peripheral side of the filter, a scraper is fixed so as to be in contact with the filter, and the filter can be rotated. The scraper removes dust adhering to the filter according to the rotation of the filter. Conversely, the scraper can be rotated and the filter can be fixed to achieve the same purpose as described above.

An exhaust port may be formed in the cleaning container, and the exhaust port may be connected to the suction port of the suction type vacuum cleaner.

[0011]

[First Embodiment] A first embodiment of the present invention will be described with reference to FIGS.
It will be described below based on. 1 is a partially sectional front view, FIG. 2 is a plan view, FIG. 3 is an exploded perspective view, FIG. 4 is a partially enlarged view of a filter, and FIG. 5 is a use state of a filter cleaning device according to the present invention. It is a perspective view shown.

The filter cleaning device of the present invention comprises a cleaning container 1 containing a filter 20 and the filter 20.
And an aerating means 40 opposed to the above, and a rotating means 30 for rotating either the filter 20 or the aerating means 40.

The clean container 1 is composed of a container body 2 and a canopy 3, and the upper part of the container chamber 2 of the container body 2 is closed by the canopy 3 to seal the container chamber 4. A shaft hole 5 is formed in the center of the canopy 3, and a projection 6a of a bearing 6 is fitted into the shaft hole 5 and the bearing 6 is fixed to the canopy 3 with a screw 7. The shaft 8 is inserted into the shaft hole 6b of the bearing 6, the upper portion of the shaft 8 is inserted into the shaft hole 32 of the handle 31 which is the rotating means 30, and the handle 31 is rotatably pivoted by the set screw 9. An upward grip portion 33 is formed on the tip side of the handle 31.

The mounting seat 1 is attached to the lower end of the shaft 8 by welding or the like.
0 is fixed, and the filter 20 is suspended from the mounting seat 10. As shown in FIG. 3, the filter 20 is a tubular body having a cavity 21 inside and an outer peripheral portion having a gear shape in cross section. The filter 20 has an upper plate 22 on the upper surface as shown in FIGS. 1 and 4. On the lower and lower surfaces, the lower plate 23 is fixed by press fitting or the like. By hanging a hanging piece 11 on the outer peripheral side of the mounting seat 10, screwing a butterfly bolt 12 into the hanging piece 11, and pressing the hanging piece 22a of the upper plate 22 of the filter 20 at the tip of the butterfly bolt 12, By fixing the filter 20 to the mounting seat 10 and rotating the handle 31, the filter 20 is rotated integrally with the mounting seat 10.

The outer peripheral side of the filter 20 is the filter 2
Aeration means 40 is provided so as to face off dust adhered to the surface of the dust particles by aerodynamic force. That is, a cylindrical nozzle 41 is hung vertically at a proper position on the canopy 3 via a union 43, and compressed air from a compressor (not shown) is ejected toward a filter 20 from an ejection hole 42 of the nozzle 41. Has become. 1 and 2,
Reference numeral 44 is an elbow, and an air source 45 such as a compressor is connected to the base end side of the elbow 44 via a pipe. A valve may be provided between the air source 45 and the union 43.

Inside the storage chamber 4 of the clean container 1, a scraper 60 made of an elastic material such as urethane rubber is attached to the outer peripheral side of the filter 20 so as to come into contact with the filter 20. That is, the scraper 60 is held by the holding plate 63 fixed by the bolts 62 on the lower portion of the support plate 61 fixed to the lower surface side of the canopy 3 by welding or other fixing means. The supporting means of the filter 20 is not limited to the above structure, and the design can be changed appropriately. In this embodiment, when the filter 20 is rotated by rotating the handle 31, the scraper 60 strikes the protruding portion of the filter 20 to remove dust adhering to the filter 20.

The socket mounting hole 13 is formed in the canopy 3 on the side opposite to the position where the aeration means 40 is mounted.
Is formed, and the socket 14 is fitted into the socket mounting hole 13 and fixed with the nut 15.
The dust and the like in the storage chamber 4 of the clean container 1 can be discharged from the exhaust port 16. In this case, the exhaust port 16 of the socket 14 is connected to the suction port 18 of the suction type vacuum cleaner (not shown) via the adapter 17, and the aeration means 40 and the scraper 60 are used to filter the filter 20.
Dust that has adhered to the
It is preferable to make it suck more.

A differential pressure gauge 7 is provided on both inside and outside of the filter 20.
It is preferable to provide 0 and 70. That is, a differential pressure gauge 70 for detecting the difference between the pressure inside the filter 20 and the pressure outside the filter 20 is provided, the clogging degree of the filter 20 is measured by the detected value of the differential pressure gauge 70, and the aeration is performed based on the measured value. Means 40 and / or scraper 60 may be configured to operate automatically to remove dust from filter 20 automatically.

In FIG. 1, 19 is a packing, and 71 in FIG. 2 is a viewing window. In FIGS. 2 and 5, reference numeral 72 denotes a leg, and the leg 7
2 is erected on the floor as shown in FIG. 5 and the cleaning container 1 is tilted, and the handle 31 is rotated to rotate the filter 2
Although the dust adhering to 0 is wiped off, the dust removal work can be performed by rotating the handle 31 with the cleaning container 1 in an upright posture, and a configuration without the leg 72 can be implemented. .

In this embodiment, the filter 20 is, for example, a filter 20 used in a dust collecting device, a collecting device, a cleaning device, or the like used in a treatment process such as pneumatic transportation, dust removal, and drying of powder particles. The filter 20 is taken out from these devices and put in the clean container 1 to remove dust from the filter 20. However, as described above, the filter cleaning device according to the present invention in which the unused filter 20 is installed is installed in the system of the treatment process such as pneumatic transportation, dehumidification, and drying of the powder and granules, and the rotating means 30 is installed. The dust on the filter 20 can also be removed by rotating. Such a configuration of the filter 20 can be implemented in each of the embodiments described below.

[0021]

Second Embodiment FIGS. 6 and 7 show a second embodiment, FIG. 6 is a partially sectional front view, and FIG. 7 is a plan view. This embodiment is significantly different from the previous embodiment in that the filter 20 is fixed while the aeration means 40 and the scraper 60 are rotated.

That is, as shown in FIGS. 6 and 7, the handle 31 as the rotating means 30 and the nozzle 41 as the aeration means 40 are fixed to the canopy 3. This fixing method is arbitrary, but in the embodiment, the bearing 6 and the union 43 in which the upper flange is extended are interposed between the canopy 3 and the mounting plate 75, and the screws 7, 7a are inserted from above the mounting plate 75. While fixing the canopy 3, the bearing 6, the union 43 and the mounting plate 75, the handle 31 (rotating means 30) is not fixed to the mounting seat 10 and is free. Therefore,
By rotating the handle 31, the aeration means 40 (nozzle 41) blows high pressure air on the outer peripheral surface of the filter 20 while rotating around the outer periphery of the filter 20, so that dust adhering to the filter 20 is removed. .

Also in this embodiment, since the scraper 60 is also fixed to the canopy 3 as in the first embodiment, this scraper 60 also rotates together with the aeration means 40 to knock off the dust of the filter 20. The same reference numerals as those in FIGS. 1 and 2 are the same as those in the first embodiment.
The high-pressure air supplied to the nozzle 41 is different from that in FIG. 1 in that it is supplied in the vertical direction. Further, the exhaust port 16 may be connected to the suction port of the suction type vacuum cleaner as described above.

[0024]

[Third Embodiment] FIGS. 8 and 9 show a third embodiment. FIG. 8 is a partially sectional front view and FIG. 9 is a plan view. In this embodiment, a motor 35 is used as the rotating means 30, and a drive shaft 36 of the motor 35 is connected to the shaft 8 to provide a filter 2
It is remarkably different from the first embodiment in that 0 is automatically rotated by turning the switch on and off, and other configurations are as described in the first embodiment, and therefore detailed description thereof is omitted. To do.

By replacing the handle 31 as the rotating means 30 shown in the second embodiment with a motor 35 as shown in FIGS. 8 and 9, the aeration means 4 can be obtained.
0 and the scraper 60 can be automatically rotated.

[0026]

Fourth Embodiment FIG. 10 shows a fourth embodiment, and FIG. 10 shows a schematic system diagram. In this embodiment, the aeration means 40 includes an air source or a power source 80, an air vibration source 81, and a nozzle 41 having an ejection hole 42, and an air vibration wave is supplied from the ejection hole 42. The cleaning container 1 has the same structure as that of the third embodiment.

In other words, the air source or power source 80 and the air vibration source 81 vibrate the air as sound waves in the low to middle frequency band, and the air vibration wave causes the filter 20 to oscillate.
The dust adhering to is wiped off. As a specific configuration thereof, for example, Japanese Patent Application No. 4-90406,
This is as described in the specification of Japanese Patent Application No. 4-112991. Of course, other arbitrary configurations can be adopted. It should be noted that the above-mentioned sound wave may be appropriately changed into a waveform such as a pulse or a sine wave.

FIG. 11 shows a more specific embodiment of the fourth embodiment, which is an air source 80 having an intake port 82 and / or an exhaust port 83 and two or more ports 8.
4, 85, 86 ... and a switching valve 81 as an air vibration source having a valve body 88, a drive source (not shown) for driving the valve body 88 of the switching valve 81, the air source 80 and the switching valve 81, respectively. The connecting pipes 89 and 90 are provided, and the port 85 is connected to the inlet of the nozzle 41 via the pipe 91. When the dust adhering to the filter 20 of the clean container 1 is to be removed, the valve body 88 of the switching valve 81 is rotated to apply air vibration to the filter 20 to remove the dust adhering to the filter 20. is there. Figure 1
The detailed principle and structure of No. 1 are described in Japanese Patent Application No. 4-90406.

[0029]

[Modifications] As shown in FIG. 12, a plurality of filters 20 may be stacked and housed in the cleaning container 1 for use. The aeration means 40 can also be provided in the filter 20. As the rotating means 30, the first embodiment and the second embodiment can be designed in an automatic manner, and the third embodiment and the fourth embodiment can be appropriately designed in a manual manner.

[0030]

According to the present invention, (1) a clean container containing a filter, an aeration means opposed to the filter, and a rotating means for rotating one of the filter and the aeration means are provided.
Since the aeration means rotates or revolves around the filter, the air ejected from the aeration means blows over the entire circumferential surface of the filter, so that the dust adhering to the filter is removed more efficiently than in the conventional example.

(2) Moreover, since air is blown to the filter manually or automatically in the clean container,
Not only the dust adhered to the filter is not scattered to pollute the surrounding environment as in the conventional example, but also the dust removal operation can be easily and hygienically performed.

(3) As described in claim 2, since the scraper is provided on the outer peripheral side of the filter so as to come into contact with the filter, the above effect is further improved.

(4) As described in claim 3, a differential pressure gauge for detecting the difference between the pressure inside the filter and the pressure outside the filter is provided, and the clogging degree of the filter is measured by the detection value of this differential pressure gauge. The aeration means and / or scraper automatically operates based on the measured value,
Since the dust on the filter can be automatically removed, the dust attached to the filter can be automatically removed.

[Brief description of drawings]

FIG. 1 is a front view in which a part of a first embodiment of the present invention is shown in section.

FIG. 2 is a front view.

FIG. 3 is a partial exploded perspective view.

FIG. 4 is a partially enlarged view of the filter.

FIG. 5 is a perspective view showing a usage state.

FIG. 6 is a front view in which a part of the second embodiment is sectioned.

FIG. 7 is a plan view of FIG.

FIG. 8 is a front view in which a part of the third embodiment is sectioned.

9 is a plan view of FIG. 8. FIG.

FIG. 10 is a schematic system diagram of a fourth embodiment.

11 is a system diagram showing the embodiment of FIG.

FIG. 12 is a vertical cross-sectional view showing a modified example of the filter.

FIG. 13 is a perspective view of a conventional example.

[Explanation of symbols]

 1 Clean Container 16 Exhaust Port 20 Filter 30 Rotating Means 31 Handle 35 Motor 40 Aeration Means 41 Nozzle 42 Jet Hole 45 Air Source 60 Scraper 70 Differential Pressure Meter 80 Air Source or Power Source 81 Air Vibration Source 88 Valve Body

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hiroyuki Sakashita Inventor Hiroyuki Sakashita 2-8-68 Yoshinodai, Kawagoe City, Saitama Prefecture Matsui Manufacturing Co., Ltd. Tokyo Factory (72) Inventor Osamu Matsui 6-5 Tanimachi, Chuo-ku, Osaka City, Osaka Prefecture No. 26

Claims (8)

[Claims] 1. A clean container 1 containing a filter 20 therein.
And a rotation means 30 for rotating either the filter 20 or the aeration means 40, and a filter cleaning device comprising: 2. A scraper 60 is provided on the outer peripheral side of the filter 20 so as to be in contact with the filter 20, and the scraper 60 is fixed when the filter 20 is rotatable and can be rotated when the filter 20 is not rotatable. The filter cleaning device according to claim 1, wherein the cleaning device is a filter. 3. A differential pressure gauge 70 for detecting the difference between the pressure inside the filter 20 and the pressure outside the filter 20 is provided, and the degree of clogging of the filter 20 is measured by the detection value of this differential pressure gauge 70, and the measured value is used as the measured value. The filter cleaning device according to claim 1 or 2, wherein the aeration means 40 and / or the scraper 60 are automatically operated based on the above to automatically remove dust from the filter 20. 4. The filter cleaning device according to claim 1, wherein a nozzle 41 having an ejection hole 42 is used as the aeration means 40, and compressed air is supplied to the nozzle 41. 5. The aeration means 40 comprises an air source or power source 80, an air vibration source 81, and a nozzle 41 having an ejection hole 42, and an air vibration wave is supplied from the ejection hole 42. Item 4. A filter cleaning device according to any one of items 1 to 3. 6. The filter 20 is arranged so that a used one is put in the cleaning container 1 for cleaning.
The filter cleaning device according to any one of 1. 7. The cleaning of a filter according to claim 1, wherein an exhaust port 6 is formed in the cleaning container 1, and the exhaust port 16 is connected to a suction port 18 of a suction type vacuum cleaner. apparatus. 8. A filter cleaning device in which the filter cleaning device according to any one of claims 1 to 5 is incorporated in a system of a process for treating a granular material.