KR100601196B1 - Apparatus for filtering impurities in gas - Google Patents

Abstract

The present invention relates to an impurity filtration device for gases. An impurity filtration device for gas according to the present invention includes a container-shaped body, and an inlet pipe and an outlet pipe each formed on opposite surfaces of the body to allow gas to be introduced and discharged; At least one horizontal filter plate which is installed in a corrugated form bent in a corrugated form with a hill and installed side by side in the inlet and outlet directions of the gas and coupled to an upper surface of the body; A plate shape bent in corrugated form to form a valley with a mountain is installed at right angles to the gas inlet and outlet directions, and a plurality of through holes are formed in the upper and lower portions of the mountain portion protruding toward the exit pipe and coupled to the upper surface of the body. At least one gas guide plate; A plate shape bent in a corrugated form to form a valley with a mountain is installed at right angles to the gas inlet and outlet directions, and a plurality of through-holes are formed up and down at a position separated by a predetermined distance from the mountain portion protruding toward the exit pipe. And at least one impurity collecting plate bonded under the top surface.

Impurities, filter, pleated plate, collecting plate, scraper

Description

Impurity filtration device for gas {APPARATUS FOR FILTERING IMPURITIES IN GAS}

1 is a partial cross-sectional perspective view showing a gas impurity filtration device according to the present invention.

Figure 2 is a side cross-sectional view showing an impurity filtration device for gas according to the present invention.

Figure 3 is a partial cross-sectional perspective view showing a body portion of the impurity filtration device for gas according to the present invention.

4 is a perspective view showing a horizontal filter plate and a horizontal scraper according to the present invention.

5 is a perspective view showing an impurity collecting plate and a vertical scraper according to the present invention.

Figure 6 is a plan view showing a lower barrier film seen from line A-B of Figure 2 in accordance with the present invention.

7 is a plan view for explaining the principle that impurities are attached to the horizontal filter plate according to the present invention.

8 is a plan view illustrating a principle in which impurities are collected in an impurity collecting plate according to the present invention;

9 is a perspective view for explaining the principle of gas flow in the impurity collecting plate according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Impurity 100: Body

101: body 103: entrance piping

105: exit piping 107: collection tank

109: discharge pipe 111: cylinder cover

200: filter 201: upper fixing plate

203: horizontal filter plate 205: gas guide plate

207: impurity collecting plate 209: impurity accommodating pocket

211: lower barrier film 300: scraper portion

301: cylinder 303: horizontal scraper

305: Vertical scraper 307: Electric heater

305: Vertical scraper 307: Electric heater

309: controller

The present invention relates to a gas filtering device generated in an industrial process, and more particularly to a gas impurity filtering device for filtering impurities contained in the gas using the centrifugal law and the inertia law.

In general, gases generated in industrial processes such as power plants, steel mills, and chemical processes contain impurities and cause air pollution, which is usually recovered and recycled. However, in such a case, impurities in the gas cause problems such as clogging of the pipe and lowering of combustion efficiency.

Accordingly, a filtration method and a filter for performing filtration (Patent Application No. 1990-0005631) or a tar removal device of coal gas (Patent Application No. 1999-0055408) are disclosed as a conventional technique for removing foreign substances contained in gas. .

The filtration method and the filter for performing the filtration (patent application No. 1990-0005631) of the prior art as described above is a method for filtering fine particles, such as paint and a filter for performing the filtration, it is inappropriate for filtration of heavy particles, the material of the filter medium Because it is a pulp, it is weak in moisture, and there is a problem in that it takes a lot of maintenance costs because the filter must be replaced at any time.

In addition, the conventional coal gas tar removal device (Patent Application No. 1999-0055408) is harmful to the human body because it uses a dissolving agent, the dissolving agent is discharged into the atmosphere along the gas to pollute the environment, and the filter is often taken out and cleaned. There is a problem that must be done.

The present invention is to solve the problems of the prior art as described above, it is filtered irrespective of the size and type of particles, since the material of the filter medium used semi-permanently, the maintenance cost is low, harmful to humans and the environment harmful solvent The purpose of the present invention is to provide an impurity filtration device for gas that automatically removes and discharges filtered impurities.

Gas impurity filtration device of the present invention for achieving the above object, the container-shaped body, the inlet pipe and the outlet pipe is formed on both opposing surfaces of the body and the gas is introduced and discharged; At least one horizontal filter plate which is installed in a corrugated form bent in a corrugated form with a hill and installed side by side in the inlet and outlet directions of the gas and coupled to an upper surface of the body; A plate shape bent in corrugated form to form a valley with a mountain is installed at right angles to the gas inlet and outlet directions, and a plurality of through holes are formed in the upper and lower portions of the mountain portion protruding toward the exit pipe and coupled to the upper surface of the body. At least one gas guide plate; A plate shape bent in a corrugated form to form a valley with a mountain is installed at right angles to the gas inlet and outlet directions, and a plurality of through-holes are formed up and down at a position separated by a predetermined distance from the mountain portion protruding toward the exit pipe. And at least one impurity collecting plate bonded under the top surface.

The gas guide plate and the impurity collecting plate may be disposed in pairs, and the gas guide plate may be disposed closer to the inlet pipe than the impurity collecting plate.

Slots are processed in the same pattern as the cross-sectional shape of the horizontal filter plate, the gas guide plate and the impurity collecting plate, and further includes a lower barrier membrane through which the horizontal filter plate, the gas guide plate and the impurity collecting plate penetrate, and is coupled to the lower part of the inner wall of the body. Each of the slots formed in the lower blocking membrane may be larger than the plate thickness of the horizontal filter plate, the gas guide plate, and the impurity collecting plate.

The total area of the through holes formed in one gas guide plate and the total area of the through holes formed in the impurity collecting plate may be the same as the cross-sectional area of the entry / exit pipe.

The slot is formed in the same pattern as the shape of the horizontal filter plate and the horizontal scraper is inserted into the slot, and the slot is formed in the same pattern as the shape of the pair of gas guide plate and the impurity collecting plate, and the gas guide plate and the impurities are formed in the slot. It may further include a vertical scraper to which the collecting plate is fitted, and a cylinder for moving the scraper up and down.

A collection tank may be provided below the main body, an impurity discharge tube may be formed below the collection tank of the body, and a heater may be provided around the outer wall of the collection tank.

The horizontal filter plate, the gas guide plate, and the impurity collecting plate may include a metal.

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

1 is a partial cross-sectional perspective view showing a gas impurity filtration device according to the present invention, Figure 2 is a side cross-sectional view showing a gas impurity filtration device according to the present invention.

The impurity filtration apparatus for gas according to the present invention includes a body part 100 for accommodating and supporting each component, a filtration part 200 for filtering impurities, and a scraper part 300 for scraping the trapped impurities downward. Include.

3 is a partial cross-sectional perspective view showing a body of the impurity filtration device for gas according to the present invention.

The body portion 100 has a container-shaped body 101 for receiving and supporting each element; An inlet pipe 103 formed on one side of the body 101 as a pipe having a valve as a passage through which impurities containing gas is introduced; A discharge pipe 105 formed on the other side of the body 101 as a pipe having a valve as a passage for discharging the filtered gas; A collection tank 107 forming a lower portion of the body 101 and storing filtered impurities; An impurity discharge pipe 109 coupled to the bottom of the collection tank 107 and having a valve assembled therein as a passage for discharging stored impurities; Box-shaped to protect the cylinder and includes a cylinder cover 111 (see Fig. 2) mounted on top of the body (101). The collection tank 107 is provided with an impurity discharge pipe 109 at a lower apex in a shape of decreasing in cross-sectional area downward.

Figure 4 is a perspective view showing a horizontal filter plate and a horizontal scraper according to the present invention, Figure 5 is a perspective view showing an impurity collecting plate and a vertical scraper according to the present invention, Figure 6 is a lower view as seen from line AB of Figure 2 according to the present invention A plan view showing a barrier film.

The filter unit 200 is assembled to the body 101 and the bolt to form an upper portion of the body 101 and the bottom fixing plate 201 is coupled to the filter plate is suspended; A plurality of metal plates bent in a corrugated form to form a valley with a mountain are combined at regular intervals, and are installed in parallel with the direction of the gas so that a gas containing impurities 1 passes between the metal plate and the metal plate, and is coupled to the bottom of the upper fixing plate 201. Horizontal filter plates 203; A metal plate bent in a corrugated form to form a valley with an acid, which is installed at right angles to the direction of the gas, and has a plurality of through holes formed up and down in a portion of the mountain protruding toward the exit pipe 105 so that the gas containing impurities 1 is formed. A gas guide plate 205 configured to pass through each through hole and coupled to the bottom of the upper fixing plate 201; A metal plate bent in a corrugated form to form a valley with a mountain is installed at right angles to the direction of the gas, and a plurality of through holes are formed on both sides of the side except for the mountain portion protruding toward the exit pipe 105. An impurity collecting plate 207 configured to pass the gas contained therein and coupled to the bottom of the upper fixing plate 201; As the metal plate, the slot is processed into the same pattern as the cross-sectional shape of the horizontal filter plate 203, the gas guide plate 205, and the impurity collecting plate 207, and the horizontal filter plate 203, the gas guide plate 205, and the impurities are formed through the slot. The collecting plate 207 is assembled therethrough and includes a lower blocking film 211 coupled to the lower portion of the inner wall of the body 101. A valley portion of the impurity collecting plate 207, that is, a portion projecting toward the side pipe 103 forms an impurity accommodating pocket 209 in which the impurities 1 are accumulated. Slots formed in the lower blocking film 211 are impurity outlets 213, each of which is formed slightly larger than the plate thickness of the horizontal filter plate 203, the gas guide plate 205, and the impurity collecting plate 207. ) Is configured to escape down. In this case, the through holes formed in the gas guide plate 205 and the through holes formed in the impurity collecting plate 207 may be formed to have the same height, cross each other, or form a predetermined interval from each other.

On the other hand, the through hole formed in the impurity collecting plate 207 is formed at a position spaced a predetermined distance away from the mountain portion protruding toward the exit pipe 105, the closer the separation distance is reduced the filtration performance but the entrance pipe 103 ) And the pressure drop between the exit pipe 105 is reduced, and the opposite phenomenon occurs when the separation distance is far. Therefore, it should be designed in terms of the size and number of through holes described below. Moreover, the through holes formed in the impurity collecting plate 207 need not be formed in a line as shown in the figure. That is, the through holes may be formed in two or more rows on the flat surface of the impurity collecting plate 207.

On the other hand, the gas guide plate 205 and the impurity collecting plate 207 always form a pair, and in each of these pairs, the gas guide plate 205 is arranged closer to the entrance pipe 103 than the impurity collecting plate 207. do. In addition, in order to prevent a large pressure difference between the entry pipe 103 and the exit pipe 105, the cross-sectional area of the entry and exit pipe, the total area of the through holes formed in one gas guide plate 205, and the impurity collecting plate. The total area of the through holes formed in 207 is preferably the same as each other. That is, the through holes are formed by calculating the diameter and the number of the through holes so that the sum of the cross sectional areas of the through holes formed in each of the gas guide plate 205 and the impurity collecting plate 207 is equal to the cross sectional area of the entry / exit pipe. Alternatively, it may be preferable that the cross sectional area is increased in the order of the entrance pipe 103, the entire through hole of the gas guide plate 205, the entire through hole of the impurity collecting plate 207, and the exit pipe 105. In addition, it is preferable that the gas guide plate 205 and the impurity collecting plate 207 be disposed in the body 101 in order to increase the efficiency of collecting impurities.

The scraper portion 300, each of which includes a rod penetrating through the upper fixing plate 201 and connected to the scraper to move it up and down, and is paired with at least two scrapers (to be described later), the outer upper surface of the body 101 A plurality of cylinders 301 installed in the cylinder; A horizontal scraper 303 in which a slot is formed in the same pattern as the shape of the horizontal filter plate 203 and the horizontal filter plate 203 is fitted in the slot and moved up and down by the cylinder 301; The slot is formed in the same pattern as the shape of the pair of gas guide plate 205 and the impurity collecting plate 207, and the gas guide plate 205 and the impurity collecting plate 207 are inserted into the slot, and the cylinder is formed by the cylinder 301. A vertical scraper 305 moving up and down; An electric heater 307 attached around the outer wall of the collection tank 107 and generating heat by electricity to apply an appropriate temperature so that the trapped sticky impurities 1 flow down well; The controller 309 operates the cylinder 301 at regular time intervals and controls the temperature of the electric heater 307.

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

FIG. 7 is a plan view illustrating a principle in which impurities are attached to a horizontal filter plate according to the present invention, FIG. 8 is a plan view illustrating a principle in which impurities are collected in an impurity collecting plate according to the present invention, and FIG. 9 is according to the present invention. It is a perspective view explaining the principle that a gas flows in an impurity collecting plate.

When the gas containing the impurity 1 enters the inside of the body 101 through the entrance pipe 103, the impurity 1 having a large particle is filtered through the upper fixing plate 201, and the horizontal filter plate 203 and the gas are filtered. As the particles pass through the guide plate 205, even small impurities 1 are filtered out, and only clean gas is discharged through the outlet pipe 105. When the horizontal scraper 303 and the vertical scraper 305 periodically scrape the impurities 1 trapped in the horizontal filter plate 203 and the impurity accommodating pocket 209 downward, the impurity 1 becomes the horizontal filter plate 203, After exiting through the impurity outlet 213 formed between the gas guide plate 205 and the impurity collecting plate 207 and the lower blocking film 211, the gas guide plate 205 is stored in the collection tank 107 and discharged through the discharge pipe 109.

In this operation, when the gas and the impurity 1 pass inside the body 101, the gas having good fluidity rapidly moves along the passage formed between the filter plate and the filter plate, whereas the heavy and highly sticky impurity 1 This contained gas is attached to the wall of the horizontal filter plate 203 by the centrifugal force and inertia every time the direction of travel changes abruptly and is collected in the impurity receiving pocket 209 of the impurity collecting plate 207.

At this time, when a cycle for operating the scraper and a heating temperature are input to the controller 309, the controller 309 moves the rod of the cylinder 301 up and down at each input cycle to connect the rod of the cylinder 301. The horizontal scraper 303 and the vertical scraper 305 perform the scraping operation, and impurity 1 stored in the collection tank 107 is discharged through the discharge pipe 109 by applying an appropriate current to the electric heater 307 to maintain the input temperature. To flow well.

As described above, the present invention is filtered irrespective of the size and type of the particles, and semi-permanently used as the material of the filter material, so that it is unnecessary to consume consumable parts such as a filter, thereby maintaining a low maintenance cost.

In addition, it does not use a solvent that is harmful to the human body and the environment, and has the effect of automatically removing the filtered impurities and discharged.

Claims (7)

In the impurity filtration device of the gas, Container-shaped body, An inlet pipe and an outlet pipe which are respectively formed on opposite surfaces of the body, through which gas is introduced and discharged; At least one horizontal filter plate which is installed in a corrugated form bent in a corrugated form with a hill and installed side by side in the inlet and outlet directions of the gas and coupled to an upper surface of the body; A plate shape bent in corrugated form to form a valley with a mountain is installed at right angles to the gas inlet and outlet directions, and a plurality of through holes are formed in the upper and lower portions of the mountain portion protruding toward the exit pipe and coupled to the upper surface of the body. At least one gas guide plate; A plate shape bent in a corrugated form to form a valley with a mountain is installed at right angles to the gas inlet and outlet directions, and a plurality of through-holes are formed up and down at a position separated by a predetermined distance from the mountain portion protruding toward the exit pipe. Impurity filtration device for a gas, characterized in that it comprises at least one impurity collecting plate coupled below the upper surface. The impurity filtration device for gas according to claim 1, wherein the gas induction plate and the impurity collecting plate are arranged in pairs, and the gas induction plate is disposed closer to the inlet pipe than the impurity collecting plate. The method of claim 1 or claim 2, wherein the slot is processed in the same pattern as the cross-sectional shape of the horizontal filter plate, the gas guide plate and the impurity collecting plate, through which the horizontal filter plate, the gas guide plate and the impurity collecting plate penetrates and the lower part of the body inner wall And a lower barrier layer coupled to the lower barrier layer, wherein each of the slots formed in the lower barrier layer is larger than a plate thickness of the horizontal filter plate, the gas guide plate, and the impurity collecting plate. The impurity filtration device for gas according to claim 1 or 2, wherein the total area of the through-holes formed in one gas guide plate and the total area of the through-holes formed in the impurity collecting plate are the same as the cross-sectional area of the entry and exit pipe. The horizontal scraper according to claim 1 or 2, wherein the slot is formed in the same pattern as that of the horizontal filter plate and the horizontal scraper is fitted into the slot, and the slot is formed in the same pattern as the shape of the pair of gas guide plates and the impurity collecting plate. And a vertical scraper into which the gas guide plate and the impurity collecting plate are inserted in the slot, and a cylinder for moving the scraper up and down. The impurity filtration of the gas according to claim 1 or 2, wherein a collecting tank is provided at a lower part of the main body, an impurity discharge pipe is formed at a lower part of the collecting tank of the body, and a heater is provided around the outer wall of the collecting tank. Device. The impurity filtering device for gas according to claim 1 or 2, wherein the horizontal filter plate, the gas guide plate, and the impurity collecting plate comprise a metal.

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