KR200188043Y1 - Air filter for air compressor - Google Patents

Abstract

The present invention filters the impurities contained in the high-pressure air compressed by the air compressor by using a fiber filter, a carbon filter, a ceramic ball filter, and then removes the air. Regarding the device, the air filtering device according to the present invention is a cylindrical outer case (A) having both sides of the lid body (1a, 1b) and a viewing window (2) on the side, and the outer case (A) It is inserted and fixed in the built-in and consists of an inner case (B) provided in a multi-layer stacked structure of several types of filters, which is connected to the air compressor on one of the lid body (1a, 1b) of the outer case (A) An inlet port 5 and an outlet port 6 connected to the air tank are provided, and an inlet 16 of the inner case B is inserted into and connected to the inlet port 5 of the lid 1b, and the compressed air sent from the air compressor is provided. The air is inside Filtered through the filters in the case (B) so that the filtered air flows into the air tank connected to the outlet (6) of the lid (1b) through the space between the inner case (B) and the outer case (A) It is characterized by.

Description

Air filter for air compressor {Air filter for air compressor}

The present invention relates to an air filter device for an air compressor, and more specifically, after filtering water and impurities contained in the high pressure air sent from the air compressor by a fiber filter, a carbon filter, a ceramic ball filter, and then, the air tank. The present invention relates to an air filter device for an air compressor configured to provide filtered clean air.

In general, an air tank (also called Bombe) used by a firefighter to breathe in a place where air is scarce during fire extinguishing is filled with a large amount of air at a high pressure. When filling at high pressure, it is desirable to fill the purified air with cleaner filtration.

The air tank is filled with air at high pressure. The air is compressed to high pressure by a high pressure compressor, and the high pressure air is passed through an air filtration device to remove impurities and moisture contained in the compressed air. How to fill in

In particular, very high odor is generated in the air passing through the high-pressure air compressor, the air filtration device is indispensable because the odor must be deodorized and filled in the air tank.

The method as described above is inexpensive in terms of installation cost because of using a simple air filtration device, as well as a simple method of use is currently being used a lot.

That is, a conventional air filtration device used to filter air is shown in FIG. 1, and as shown in FIG. 1, a conventional air filtration device is porous and has various filtration media (carbon Material, ceramic balls, etc. 30 are mixed into the mesh 20 and the mesh 20 is placed in the cylindrical case 10 to fill it up; It is a structure which seals in the state which formed 50, respectively.

The air filtering device having such a structure connects the intake port 40 to the high pressure air discharge passage side of the air compressor, connects the outlet port 50 to the air tank side, compresses the air from the air compressor, and sends the filter device. After being filtered through the filter, compressed air is filled into the air tank.

However, the above-described conventional air filtration device has an advantage that the structure is very simple and the installation cost is low, but there is a problem that the filtration function to deodorize odor is very poor, and the overall filtration efficiency is very low. .

In addition, it is difficult to determine the replacement time of the filter in the case, there was a problem that the case is not solid.

Therefore, the present invention has been made to solve the above problems, the object of the present invention is to have a dual structure of the air filtering device of the inner case and the outer case, and stacked several types of filters in the inner case by layer Air filter from the air compressor to the air tank through the filter in the inner case first through the space between the inner case and the outer case, so as to filter the air more effectively. To provide.

In addition, another object of the present invention is to have a double structure consisting of an outer case and an inner case of the air filtering device, so that the inner case of the lid of the outer case can be opened and various types of filters can be easily replaced. To provide an air filter for an air compressor.

In order to achieve the above object, the air filtering device according to the present invention has a cylindrical outer case having both ends of a lid body and a viewing window on the side, and is inserted and fixed in the outer case and various kinds of filters. They are composed of an inner case provided in a hierarchical stacked structure, wherein one of the lids of the outer case is provided with an inlet connected to the air compressor and an outlet connected to the air tank, and an inlet of the inner case is provided at the inlet of the lid. Is inserted and connected, and the compressed air sent from the air compressor passes through the filters in the inner case, and the filtered air is introduced into the air tank connected to the outlet of the lid through the space between the inner case and the outer case. .

1 is a cross-sectional view showing a cross section of an air filtering device according to the prior art.

Figure 2 is a cross-sectional view showing a cross section of the air filtering device according to the present invention.

* Description of the symbols for the main parts of the drawings *

1a, 1b: lid body 2: viewing window

3: Tool groove 4a, 4b: O-ring

5: suction port 6: entrance

7: cooling tube 11: fiber filter

12a, 12b, 12c: first, second and third support plates 13: carbon filter

14 ceramic ball filter 15 elastic member

16: entrance 17: fixing groove

Hereinafter, the present invention will be described in detail with the accompanying drawings.

Figure 2 is a cross-sectional view showing a cross-sectional view of the air filtering device according to the present invention, as shown in Figure 2, the air filtering device according to the present invention is composed of a lid body (1a, 1b) at both ends and a viewing window on the side It consists of a cylindrical outer case (A) having a (2), and an inner case (B) which is inserted into and fixed to the outer case (A) and has several types of filters arranged in a hierarchical structure. One of the lids 1a and 1b of the outer case A is provided with an inlet 5 connected to an air compressor (not shown) and an outlet 6 connected to an air tank (not shown). The inlet 16 of the inner case B is inserted and connected to the inlet 5 of (1b), and the compressed air sent from the air compressor is filtered while passing through the filters in the inner case B, and the filtered air is passed through the inner case. Through the space between (B) and the outer case (A) of the lid body 1b It is intended to enter the air tank connected to the outlet 6.

Here, the outer case (A) is preferably manufactured in a cylindrical shape using an aluminum material, but is not limited thereto.

And, both ends of the outer case (A) is made of a cap body (1a, 1b) of the screw fastening method so that opening is possible, one side of the outer peripheral surface is provided with a see-through window (2) which can see the inside.

At this time, the lid body (1b) located at the lower end of the lid body (1a, 1b) is provided with an inlet (5) connected to the air compressor and the discharge port (6) connected to the air tank, the lid body blocking the top (1a) is formed with a tool groove (3) to which the tool can be rotated when the screw is fastened or removed.

It is also preferable to insert a sealing material such as an O-ring 4a in order to maintain airtightness when the lid bodies 1a and 1b are screwed together.

In addition, the outer circumferential surface of the outer case (A) is provided so that the cooling tube (7) in which the refrigerant flows is in contact with the bar, which cools the compressed air flowing in the outer case (A) to suck and filter a larger amount of compressed air. To do so.

The inner bottom of the outer case (A) is formed with a fixing groove 17 for fixing the inner case (B) by inserting the inlet 16 of the inner case (B).

The inner case (B) is formed in a cylindrical shape using a transparent synthetic resin so that the internal state can be seen.

In addition, the inlet 16 side where the air of the inner case B is sucked is formed to protrude long while being narrow in width so as to be inserted into and fixed to the fixing groove 17 formed in the outer case A. The opposite side of the inlet 16 is opened to insert the filters described later, and the opening is covered by a third support plate 12c described later.

In addition, an O ring 4b is provided at a predetermined portion of the outer circumferential surface of the inlet 16 of the inner case B, and the inlet 16 of the inner case B is fixed to the outer groove A of the outer case A. When it is inserted into and fixed, the O ring 4b is firmly sealed and fixed.

In addition, the filters stacked in layers in the inner case B may include the first support plate 12a, the fiber filter 11, the carbon filter 13, and the fiber filter 11 from the inlet 16 side of the inner case B. , Ceramic ball filter 14, fiber filter 11, second support plate 12b, elastic member 15, and third support plate 12c in this order.

In this case, the fiber filter 11 preferably uses a special material having a deodorizing function, and serves to prevent activated carbon (mainly graphite) constituting the carbon filter 13 from flowing out toward the inlet 16. .

The carbon filter 13 uses activated carbon having a high carbon content such as graphite having porosity, and serves to remove deodorization and moisture contained in the air.

The ceramic ball filter 14 is made by stacking ceramics having a deodorizing and antimicrobial function in a small ball formation and stacking them, and deodorizing once again in the state of removing and deodorizing water from the carbon filter, as well as harmful contained in compressed air. It is responsible for removing germs.

At this time, the fiber filter 11 is inserted again between the carbon filter 13 and the ceramic ball filter 14 so that the two filters do not mix with each other.

The first support plate 12a, the second support plate 12b, and the third support plate 12c are made of hard synthetic resin material, and a plurality of air holes 12d are formed to allow air to pass therethrough. B) serves to support the fine graphite powder and the ceramic ball forming the filters so as not to escape.

In particular, the elastic member 15 is inserted and supported between the second support plate and the third support plate, and the elastic member 15 is made of the activated carbon of the carbon filter 13 and the ceramic of the ceramic ball filter 14. It is to pressurize the ball so as to maintain a uniform density.

That is, the activated carbon of the carbon filter 13 is an aggregate of fine graphite powder, and the ceramic ball filter 14 is formed of an aggregate of small ceramic balls. When compressed air passes between the filters, a compact space is expanded to have a density. Since it can be lowered, the density of the graphite powder of the carbon filter 13 and the ceramic ball of the ceramic ball filter 14 by pressing the elastic member to be maintained evenly.

Here, reference numerals I and O respectively represent air inlet pipes connected to the air compressor side and air discharge pipes connected to the air tank side.

Referring to the effect of the present invention configured as described above are as follows.

First, in a state in which an inner case B in which various types of filters are stacked in the outer case A is assembled, the air inlet pipe I connected from the air compressor is connected to the inlet port of the outer case A. 5), the air discharge pipe (O) connected to the air tank is connected to the outlet (6) of the outer case (A).

The compressed air generated by the high pressure in the air compressor in the installed state as described above is sucked into the inner case (B) through the inlet (5) to be filtered while passing through the filters sequentially.

That is, as the compressed air sucked into the inner case B passes through the fiber filter 11, the carbon filter 13, and the ceramic ball filter 14 sequentially, moisture, harmful bacteria, and fine dust contained in the compressed air. And odors are filtered to exit the inner case (B) with clean air, and the filtered clean air is discharged to the outlet (6) through the space between the inner case (B) and the outer case (A). It is to be filled in the air tank through the discharge pipe (O).

On the other hand, the air filtering device of the present invention has a double structure consisting of an inner case (B) in which several types of filters are stacked and an outer case (A) incorporating the inner case (B), which is very stable and robust. Of course, it is possible to replace the inner case (B) by opening the lid body (1a) of the outer case (A) has the advantage that the replacement operation is easy.

In particular, the state of the filters in the inner case (B) can be grasped through the see-through window (2) of the outer case (A) to easily determine the replacement time of the filters.

As described above, according to the present invention, the compressed air sent by the high-pressure compressed air from the air compressor passes through the filters stacked in layers in the inner case, and the filtration process is repeatedly performed to increase the filtration efficiency. .

In addition, the case itself is firmly manufactured in a dual structure, reducing the risk of damage, as well as easy filter replacement after use.

Claims (2)

It consists of a cylindrical outer case with both ends of the lid body and a viewing window on the side, and an inner case with a fixed structure embedded in the outer case and several kinds of filters stacked in a hierarchical structure. One of the lid of the outer case is provided with an inlet connected to the air compressor and an outlet connected to the air tank, the inlet of the inner case is inserted into the inlet of the lid body, the compressed air sent from the air compressor is the inner case Filtered while passing through the filter in the air filter apparatus for an air compressor, characterized in that the filtered air is introduced into the air tank connected to the outlet of the lid through the space between the inner case and the outer case. The method of claim 1, The filters stacked in layers on the inner case are stacked in the order of the first support plate, the fiber filter, the carbon filter, the fiber filter, the ceramic ball filter, the fiber filter, the second support plate, the elastic member, and the third support plate from the inner case inlet. An air filtration device for an air compressor.