KR20050063143A - A strainer filter having high collecting efficiency - Google Patents

Abstract

There is provided a strainer filter with a high collection efficiency which removes foreign matter from the water to the pipe.

The strainer filter having an excellent collection efficiency includes a strainer body having a filter mounting part sealed after the filter is built into the pipe connection part and the cover member, and a filter member embedded in the body inside the filter mounting part to filter foreign substances in the pipe. And a unit, wherein the filter member is made of a metal thin film filter in which a plurality of micropores are formed in a metal thin film.

According to the present invention, instead of the conventional paper, fibrous filter or mesh-type filter, the filter embedded in the strainer uses a thin metal thin film mill that has very thin pores formed through photoetching, thereby passing through the strainer. In addition to improving the efficiency of collecting foreign substances in the water, as well as the deformation or change of position of the filter is minimized even at high temperature and high pressure, it is possible to obtain a further improved effect of improving the service life.

Description

Strainer Filter Having High Collecting Efficiency

The present invention relates to a strainer filter for removing foreign substances in water moving to a pipe, and more particularly, a filter embedded in a strainer has a very thin thickness instead of a conventional paper or fibrous filter or a mesh type filter. By using a metal thin film mill that has formed very fine pores through photoetching, it improves the trapping efficiency of this material in the water passing through the strainer, and minimizes the deformation and change of position of the filter even at high temperature and high pressure. The present invention relates to a strainer filter having an excellent collection efficiency for further improving the service life.

In some places, for example, to transfer a liquid, such as water or oil stored in a reservoir, it is common to move the liquid to a specific other place through the piping through which the liquid flows.

On the other hand, most of the pipes for moving the liquid is different depending on the components of the liquid to be moved therein, but in the case of the various types of dirt or metal pipes that are spontaneously generated in the liquid or contained in the liquid itself Rust, which is essentially generated inside, and slugs generated when connecting pipes to each other by welding (hereinafter, referred to as 'this material') are generated by using the pipe for a long time. These can cause the blockage of the pipe, and clogging the pipe will cause various problems.

However, in order to construct (construct) and operate a pipe for moving water or oil, a pump for forcibly transferring the liquid moving into the pipe, a temperature control valve for controlling the temperature of the liquid to be transported, and the like, in addition to the pipe Control valves, etc. are essential. Most of these parts are made with high precision and exquisiteness, which causes additional problems such as failure or malfunction due to various foreign matters transferred into the pipe. .

Therefore, in order to prevent various kinds of foreign matters caused by the liquid passing through the pipes or corrosion of the pipes themselves, or to prevent the malfunction of various parts due to foreign matters, they are used to remove these substances. It is a strainer filter which is installed at a certain point so that the pipe can be detachably attached to the pipe while the filter is built in.

That is, although not shown in the drawings, the conventional strainer filter is to filter the foreign matter in the pipe through the built-in filtration filter, it is removed through the cleaning operation of the strainer filter.

By the way, the filters for filtering foreign substances used in such a conventional screener filter is usually using a paper or fibrous filter, or a mesh-type filter.

However, the filtration filter embedded in the conventional strainer filter is excellent in the collection efficiency of the filter as the size of the pores constituting the filter is smaller, and at the same time the longer the strength is excellent in durability, but used in the conventional strainer filter Filtration filters had the following problems.

For example, in the case of a paper or fibrous filter embedded in a conventional strainer filter, the foreign matter of the fine particles is collected even when the foreign matter is contained in the liquid or the foreign matter in the pipe. Because it is paper or fiber material, due to thermal, chemical and mechanical properties, the shape is easily deformed at high temperatures or easily changed from an initial position disposed inside the strainer, so that the collection function is rapidly deteriorated. .

In addition, the mesh type filter that is sometimes used in the strainer filter has a limit in forming a small pore size for trapping the substance due to the pore property of the mesh itself, and there is little concern about the deformation or positional change of the filter, but it is a very important fine material. There is a problem that the collection efficiency of the particles is very low.

Therefore, in the conventional strainer filter, when the filtration filter embedded inside is paper or fiber filter, the collection efficiency is maintained, but deformation is easily generated, and thus the service life is short. On the contrary, the mesh type filter has a long period of use and a collection efficiency itself. There are low problems.

Accordingly, the development of a filter having a long life and a high collection efficiency has been required for a filtration filter which is embedded in the strainer filter and performs a substantial collection of foreign substances in the pipe, and the present invention has a long life and a long collection efficiency. It is proposed to provide a stator filter with a filter.

The present invention has been made in order to improve the various problems as described above, the object of which is a thin film of a thin film, instead of a conventional paper or fiber filter, the filter is embedded in the strainer, and formed a plurality of micropores By using this method, it is possible to improve the collection efficiency of this substance in the water passing through the strainer, and to minimize the deformation or change of position of the filter even in the high temperature and high pressure state, thereby providing the excellent collection efficiency strainer filter which further improves the service life. It's there.

As a technical configuration for achieving the above object, the present invention, the strainer body having a filter mounting portion sealed after the built-in filter to the pipe connection and the cover member; And

A filter unit embedded in the body inside the filter mounting part and including a filter member for filtering foreign substances in the pipe;

It is configured to include,

The filter member may include a strainer filter having an excellent collection efficiency made of a metal thin film filter in which a plurality of micropores are formed in a metal thin film.

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

First, FIG. 1 illustrates an exploded perspective view of a strainer filter having excellent collection efficiency according to the present invention.

That is, as shown in Figure 1, the strainer filter 1 according to the present invention is largely the strainer body 10 and detachably connected between the pipe (2), and substantially of the strainer filter (1) Can be divided into filter unit 30 that affects the foreign matter collection efficiency.

At this time, the strainer body 10 is provided with a filter mounting portion 16 which is sealed after the interior of the filter unit 30 by the pipe connecting portion 12 and the cover member 14, the pipe connecting portion 12 is shown in FIG. As shown in the figure, it consists of a connecting flange welded to the pipe 18 welded to the liquid movement path to both sides of the strainer body 10, the connection flange 12 is a pipe connecting portion 12 of the pipe (2) The connecting flange 2a is fastened as a bolt.

And, the filter mounting portion 16 is integrally installed to be inclined downward of the strainer body 10, the inside is hollow so that the filter unit 30 is inserted, the strainer body 10 and the filter mounting portion ( 16) is generally T-shaped so as to pass through the filter unit 30 containing the liquid such as water or oil.

At this time, the cover member 14 is attached to the end of the filter mounting portion 16 after the built-in of the filter unit 30 is sealed, the square connector 14a is welded to the lower end of the filter mounting portion 16, The cover plate 14b of the cover member 14 is fastened as a bolt through the sealing to the square connector 14a, so that the filter mounting portion 16 is sealed.

In addition, as shown in Figure 1, the inside of the strainer body 10 is provided with a stopper 20 for always maintaining the built-in filter unit 30 in a fixed position, such a stopper 20 An inner flow path of the strainer body 10 including a lining layer 22 is provided to lining to an appropriate thickness.

Next, as shown in Figure 1, the filter unit 30 of the strainer filter 1 of the present invention is built in the body 10 to the inside of the filter mounting portion 16 to filter the foreign matter in the pipe ( 32).

At this time, looking at the filter unit 30 in detail, the porous tube 34 and the metal filter member 32 on the inside of the metal filter member 32 to enable the collection of the strainer filter 1 substantially. ), And the long pipe (36) is covered with the outer side of the metal filter member (32).

On the other hand, since the porous tube 34 is inserted into the filter member 32 made of a very thin metal thin film 32a having micropores 32b described in detail in FIG. Primarily when the foreign substance is collected in the strainer filter through the filter member 32 through the porous tube 34, the particles contained in the liquid first serves to filter out very large foreign matter in the form of particles.

In addition, the long hole pipe 36 maintains the shape of the filter member 32 together with the porous pipe 34, and the filtrate (treated water) processed through the filter member 32 is more smoothly through the long hole. It is possible to flow to the exit side.

At this time, the porous tube 34 is formed with a plurality of pores (34b) in the tube body (34a), the long hole tube 36 is formed with a plurality of long holes (36b) longitudinally elongated in the tube body (36a) will be.

On the other hand, the filter member 32 for collecting the foreign matter of the substantially fine particles in the strainer filter 1 of the present invention will be described in detail later in Figure 2, a plurality of micropores 32b in the thin film 32a of the metal material ) Is formed of a metal thin film filter formed.

That is, when the strainer filter 1 of the present invention is used, liquid such as water or oil containing foreign matter passes through the strainer body 10 of the present invention provided at an arbitrary position between the pipes 2. In addition, the foreign matter of the fine particles is effectively collected while passing through the filter member 32, which is the metal thin film filter, and the treated water or liquid in which the foreign matter is filtered is piped through the outlet side of the strainer body 10.

Therefore, the most important core component of the strainer filter 1 is the filter member 32 of the metal thin film filter that determines the actual collection rate, and the filter member 32 of the present invention has numerous micropores in the metal thin film 32a. Since the 32b are formed, there are two conditions in which the collection efficiency is improved and the strength is improved and the life is extended compared to the strainer filter using the paper or fibrous filter or the mesh type filter used in the conventional strainer filter. All are satisfied.

That is, the filter of the conventional mesh type has a limit in reducing the pore size for removing this material, so the collection rate of the microparticles is low, and the paper and fibrous filter maintain the collection efficiency of the microparticles, but the thermal and chemical In the case of high temperature due to mechanical properties, the shape is deformed or the position is changed, so that the filtration function is degraded or, in particular, the service life is reduced, but the strainer filter 1 of the present invention solves all of the above problems.

Next, FIG. 2 is an enlarged photograph of the surface of the filter member 32 of the metal thin film filter, which is an important component used in the strainer filter 1 of the present invention, and the strainer filter of the present invention based on FIG. In 1), the metal thin film filter of the filter member 32, which is an important component, will be described in detail.

That is, as shown in FIG. 2, the metal thin film filter, which is the filter member 32 of the present invention, is composed of the metal thin film 32a and the micropores 32b formed innumerably through photo etching. By 32b, foreign matters larger than this but fine particles are collected as a whole.

At this time, photo-etching is a technique for precise and fine processing by a processing technique, which is a processing method through corrosion, the corrosion-resistant material in the portion to be corroded, that is, the metal thin film 32a except the micropores 32b. Cover and corrode from one or both sides.

In this case, the photosensitive liquid is water-soluble to which polychromate alcohol is added to polyvinyl alcohol casein, or an organic solvent solubility such as photosensitive resin is used, and the corrosion liquid varies depending on the strength of the corrosion film and the processing material. Such photoetching can be applied to most metal processing.

At this time, the metal thin film 32a of the metal thin film filter 32 is very thin, for example, it is preferable to use a metal plate having a thickness of 200 ㎛ or less, if it is thicker than this, numerous micropores 32b through photo-etching There is a difficulty in forming).

The metal thin film 32a may be formed of carbon steel, stainless steel, aluminum, alloy steel, and the like, but is not limited thereto. If the material is easy to be applied to the etching process is possible.

On the other hand, the myriad micropores 32b formed in the metal thin film 32a may be formed with pores of about 200 μm or less, and the fine pores possible by actual photoetching may be finely perforated up to 30 μm. In order to be used in the strainer filter 1 of the present invention, when the micropores 32b are 200 μm or less, the collection of fine foreign matters will be effectively performed. On the contrary, when the fine pores 32b are larger than 200 μm, Since there is a problem in the collection, the micropores 32b may be preferably 200 μm or less.

On the other hand, the metal thin film 32a of the filter member 32 of the present invention plated the surface of the metal thin film 32a according to the use conditions, for example, a liquid component such as water or oil flowing in a pipe, for example, tin or Plating with zinc is preferred, which is intended to increase the corrosion resistance of the metal thin film so that it is not easily corroded. It is also possible to use tin or galvanized metal plates.

In particular, it may be desirable to use nickel, chromium, aluminum, and the like in surface treatment to improve heat resistance and durability in a high temperature use environment.

Next, FIG. 3 shows an example of the use of the metal thin film filter, which is the filter member 32 that determines the substantial foreign matter collection rate in the strainer filter 1 of the present invention.

That is, as shown in FIG. 3, the metal thin film filter, which is the filter member 32 inserted into the strainer body 10 of the present invention, can be used by overlapping the metal thin film 32a, which is the metal thin film 32a. If the length is to be wound in a circular shape, the important thing is that when the metal thin film (32a) overlap, the micropores (32b) also overlap, as shown in Figure 3, as the micropores overlap, water can pass through The covalent pores 32b 'are formed, and through the covalent pores 32b', even fine foreign matter can be collected, thereby increasing the collecting efficiency.

Therefore, the pores become finer due to overlapping pores of the metal thin film filter, which is a filter member 32 having a higher collection rate than the conventional one, and the collection efficiency is increased, and the metal thin film 32a has a thickness of 200 μm. Even when the micropores 32b are formed in size, the covalent pores 32b 'formed between them while being overlapped have a higher degree of fineness and can collect finer foreign matter.

In the case of forming the shared pores 32b 'by overlapping the metal thin films 32a, ultra-precision work is not required to reduce the size of the micropores 32b formed in the actual metal thin films 32a. Since the metal thin film 32a is overlapped, there is no problem in manufacturing.

At this time, most preferably, as shown in Figure 3, while overlapping the metal film layer (32a) in two layers so that the fine pores (32b) are overlapping in a constant arrangement to form a constant shared pore 32b ', in this case, sharing The size of the pores 32b 'is constant so that the collection is made uniform.

Of course, as shown in FIG. 1, even when the length of the metal thin film 32a is wound around the metal thin film filter 32 so as to overlap with each other in a circular shape, the fine pores are shared in the overlapped portion. Although the pores 32b 'are not uniform as in FIG. 3, it will be possible to increase the collection rate, in which case the fabrication of the metal thin film filter will provide an advantage.

As a result, as shown in FIGS. 2 and 3, the metal thin film 32a is wound so that the micropores 32b are overlapped to form finer covalent pores 32b 'than the non-uniform but non-overlapping micropores. The metal thin film filter using the filter member 32 which is a metal thin film filter, or the metal thin film 32a was made to overlap the two thin layers precisely, as shown in FIG. 3, and formed the uniform co-pores 32b '. In any case of using the phosphorus filter member 32, the foreign matter collection rate of the strainer filter 1 of the present invention will be further improved.

Thus, according to the strainer filter which is excellent in the collection efficiency of this invention, it replaces existing paper, fiber, or mesh type filter in the strainer filter which removes this material in the water or oil which flows into piping, and it is very effective as a photoetching technique to a metal thin film. By using a metal thin film filter that forms a lot of fine pores and superimposes them as necessary to make the fine pores finer, the collection efficiency is further improved, and heat resistance, pressure resistance, moisture resistance, corrosion resistance, and the like can be improved. The mechanical strength is improved to extend its service life, and to provide excellent effects that are easy to reuse through cleaning.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 is an exploded perspective view showing a strainer filter having excellent collection efficiency according to the present invention;

Figure 2 is a photograph showing the surface of the metal thin film filter of the present invention produced by photoetching

Figure 3 is a main part showing the filter pores when using two layers of metal thin film filter used in the strainer of the present invention

Explanation of symbols on main parts of drawing

1 .... strainer filter 10 .... strainer body

12 .... Piping connection 14 .... Cover member

16 .... filter unit 30 .... filter unit

32 ... filter element 32a ... metal thin film

32b ..

Claims (5)

A strainer body (10) having a filter mounting portion (16) sealed after the filter is built into the pipe connection portion (12) and the cover member (14); And A filter unit 30 embedded in the body 10 inside the filter mounting part 16 and including a filter member 32 for filtering foreign substances in the pipe; Including, The filter member 32 is a strainer filter having excellent collection efficiency, characterized in that composed of a metal thin film filter formed with a plurality of fine pores 32b in the thin film 32a of the metallic material. The strainer filter according to claim 1, wherein the filter unit 30 includes a porous tube 34 and a long hole tube 36 disposed inside and outside of the filter member 32. 3. The filter member according to claim 1 or 2, wherein the filter member (32) comprises: a metal thin film (32a) having an ultra-thin film; And a plurality of micropores 32b formed by photoetching in the metal thin film. The method of claim 3, wherein the metal thin film 32a of the filter member 32 is formed of one selected from carbon steel, stainless steel, aluminum, inconel, and alloy steel. The metal thin film 32a is surface-plated with zinc or tin to enhance collection properties and durability, and a strainer filter characterized in that the heat treatment. The metal thin film 32a is formed to have a thickness of 200 μm or less, and the plurality of micropores 32b formed in the metal thin film have a strainer filter comprising a diameter of 200 μm or less. The method of claim 1, wherein the filter member 32, the metal thin film (32a) is overlapped in at least two or more layers of the pores of the filter member having a shared pores (32b ') in which the holes of the micropores (32b) are shared Strainer filter, characterized in that configured to be higher