KR101733761B1

KR101733761B1 - Wet filter apparatus and clean room system comprising the same

Info

Publication number: KR101733761B1
Application number: KR1020150041242A
Authority: KR
Inventors: 이훈성
Original assignee: (주)씨원씨티에스
Priority date: 2015-03-25
Filing date: 2015-03-25
Publication date: 2017-05-08
Also published as: KR20160114845A

Abstract

The present invention relates to an air conditioner having an inlet portion provided at an inlet side of an air conditioner and a filter portion provided inside the inlet portion for filtering external air introduced into the air conditioner, A sensor part provided in the filter part for sensing moisture applied to the filter part, and a sensor part provided below the inflow part and connected to the filter part, And discharging the moisture remaining outside the inflow portion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wet filter apparatus and a clean room system having the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wet filter device and a clean room system having the same, and more particularly, to a wet filter device and a clean room system having the same, which can improve the reliability of a clean room.

In general, a clean room is used to remove airborne particles from the air, which cause serious disturbances in the production process. In addition to floating particles in the air, temperature, humidity, air pressure, and static control are controlled environmentally It is an enclosed space.

Here, a clean room is necessary for biotechnology research and production of ultra-precision parts, but it has a problem in that it uses a lot of energy and discharges industrial wastes.

The role of the HEPA in these clean rooms is to play a direct role in maintaining cleanroom cleanliness, but it can reduce reliability when used for extended periods of time.

Therefore, it is important to install a plurality of devices for checking the lifetime of the HEPA filter so that the replacement time can be effectively grasped, thereby improving the reliability of the clean room HEPA filter.

A prior art related to the present invention is Korean Patent Laid-Open No. 10-2010-0028293 (published on Mar. 3, 2010), and the prior art discloses a technique for a clean room system.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a wet filter device which is provided with an automatic feed water wet filter for treating the outside air of an air conditioner to extend the service life of the hepa filter and a clean room system having the wet filter device.

The wet type filter device according to the present invention includes an inlet portion provided at an inlet side of an air conditioner and a filter portion provided inside the inlet portion to filter external air introduced into the air conditioner and an outlet portion provided at an upper portion of the inlet portion, A sensor unit installed in the filter unit to sense moisture applied to the filter unit, and a sensor unit installed at a lower portion of the inlet unit and connected to the filter unit, And a drain unit for collecting water remaining in the lower portion of the filter unit and discharging the moisture to the outside of the inlet unit.

Here, the jetting portions are provided at a plurality of intervals along the width direction of the filter portion at the upper portion of the inflow portion.

The injection unit is connected to a water supply pipe of the air conditioner and is provided with a connecting member for forming a moving passage through which moisture flows, and a plurality of connecting members extending along a width direction of the upper portion of the inlet unit. And a spray member for spraying water toward the spray nozzle.

The injection unit is further provided with a valve installed on the connection member and selectively opening and closing the movement passage.

The wet filter device may further include a control unit connected to the valve and controlling the supply of moisture to the filter unit by opening and closing the transfer passage, wherein the control unit is connected to the sensor unit, And the valve is opened or closed.

An air conditioner connected to a clean room system sound clean room equipped with a wet filter device for sucking air in the clean room and circulating air sucked in the clean room to the clean room, A wet filter device for filtering the air supplied from the outside through a wet filter so that the filtered air is introduced into the air conditioner; and a filtering device connected to the outgoing side of the air conditioner for filtering the air supplied from the air conditioner and supplying the filtered air to the clean room And a HEPA filter unit.

The wet filter device draws moisture from a humidifier pipe of the air conditioner and discharges residual moisture connected to a drain pipe of the air conditioner.

The air conditioner includes a pre-filter and a medium filter in order to filter the air sucked in the clean room.

Here, the air conditioner includes a blower for blowing air filtered through the pre-filter and the medium filter to the HEPA filter unit.

The HEPA filter unit is installed outside the clean room, and supplies the filtered air to the clean room.

In the present invention, a wet filter is provided to supply air to the air conditioner, which is filtered by external dust and noxious gas, and mixed with the air recovered in the clean room, and then a pre-filter and a medium filter And then supplied to the HEPA filter, the life of the HEPA filter can be prolonged due to the improved air quality.

Further, according to the present invention, the replacement period of the HEPA filter is grasped, the HEPA filter is replaced at an appropriate time, and the performance of the HEPA filter is prevented from deteriorating, so that the air supplied to the clean room can be reliably filtered, The reliability of the clean room can be improved.

1 is a schematic view of a wet filter device according to an embodiment of the present invention.
2 is a view illustrating an operation of a wet filter device according to an embodiment of the present invention.
3 is a schematic view of a clean room system according to another embodiment of the present invention.
4 is a view showing an air flow of a clean room system according to another embodiment of the present invention.
FIG. 5 is a view showing moisture supply and discharge for a wet filter device of a clean room system according to another embodiment of the present invention. FIG.

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

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

It should be understood, however, that the present invention is not limited to the embodiments disclosed herein but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a schematic view of a wet filter device according to an embodiment of the present invention.

1, the wet filter apparatus 100 includes an inlet 110, a filter 120, a spray 130, a sensor 140, and a drain 150.

First, the inflow part 110 is installed at the entrance of the air conditioner that filters the air sucked and circulated in the clean room 10.

The inlet 110 has an internal space and is formed with a predetermined size, and passes through the internal space to allow external air to flow into the air conditioner.

The filter unit 120 is installed inside the inflow unit 110 and is configured to filter the outside air flowing into the air conditioner.

In other words, when the air in the clean room 10 is sucked and filtered and then circulated to the clean room 10, the amount of oxygen in the clean room 10 is reduced due to the breathing of the person located in the clean room 10 , The amount of carbon dioxide increases, so that external air must be introduced for oxygen supply to the clean room 10. [

However, if outside air is introduced into the clean room 10 without filtration due to frequent occurrence of yellow dust, automobile exhaust gas, scattering dust of the construction site, etc., even if outside air is filtered by the HEPA filter, It is possible to invite the result of deteriorating the reliability.

Therefore, in order to improve the reliability of the inside of the clean room, the filter 120 may be provided to filter the outside air introduced through the inlet 110 in this embodiment.

The filter unit 120 is formed of a wet filter to remove contaminants in the introduced external air and to purify the air by collecting the collected contaminants. Thereby separating and adsorbing the contaminants of the fine particles contained in the air and filtering the outside air passing through the inflow section 110.

The jetting section 130 is provided adjacent to the upper part of the inflow section 110 and is provided at an inlet side where the outside air flows to supply moisture to the filter section 120.

In other words, the jetting unit 130 is installed at a predetermined distance along the width direction of the filter unit 120 from the upper part of the inlet unit 110, and is installed in a plurality of units, and is connected to the water supply pipe of the air conditioner, (120) so that the sprayed water flows in the longitudinal direction of the filter part (120) along the upper width direction of the filter part (120), so that the entire filter part (120) .

For this purpose, the jetting section 130 includes a connecting member 131 and a jetting member 132.

The connecting member 131 is connected to the water supply pipe of the air conditioner and forms a moving passage through which the water moves in the water supply pipe.

The connecting member 131 is formed to have a length so as to form a moving path, and is formed to be bent toward the top of the filter unit 120.

Here, a plurality of jetting members 132 are provided on the connecting member 131 positioned adjacent to the upper portion of the filter unit 120.

The injection member 132 is installed to face the filter unit 120 and is formed to spray water toward the upper part of the filter unit 120.

That is, the injection member 132 is formed in a plurality of predetermined intervals so that water can be sprayed on the entire upper portion of the filter unit 120 in consideration of the injection range in which water is sprayed from one injection member 132.

The sensor unit 140 is installed on the filter unit 120 as a moisture sensor and senses moisture applied to the filter unit 120.

The sensor unit 140 is preferably installed at a lower portion of the filter unit 120. When moisture is sensed at the lower portion of the filter unit 120, moisture flows down from the upper portion of the filter unit 120, It is possible to deduce that the unit 120 is in a state in which the water as a whole is put in a state of putting moisture.

The drainage unit 150 is installed at a lower portion of the inlet unit 110 and is connected to a lower portion of the filter unit 120 to collect water remaining in the lower portion of the filter unit 120 and to be supplied to the outside of the inlet unit 110 To be discharged.

The water drainage unit 150 is connected to the drain pipe of the air conditioner so as to discharge the collected water. As a result, it is possible to prevent the water applied by the filter unit 120 from overflowing inside the inflow unit 110.

2 is a view illustrating an operation of the wet filter apparatus according to an embodiment of the present invention.

As shown in Fig. 2, the operation of the wet filter device will be described as follows.

Here, the inlet 110, the filter 120, the spray 130, the sensor 140, and the drain 150 of the wet filter device have been described in detail with reference to FIG. 1, do.

First, when external air is supplied through the external air duct 1, the filter unit 120 is connected to the filter unit 120 through the injection unit 130 so that contaminants of fine particles contained in the external air can be separated and adsorbed while passing through the inlet unit 110. [ .

At this time, since the jetting unit 130 sprays water along the width direction of the upper part of the filter unit 120, the filter unit 120 is wetted with moisture as a whole, and the water is supplied to the inflow unit 110, The water collected through the drainage unit 150 is discharged to the drain pipe of the air conditioner.

Meanwhile, in the present embodiment, the air conditioner further includes a valve 160 for selectively opening and closing the water passage on the water supply pipe of the air conditioner.

The valve 160 is installed on the connecting member 131 of the jetting unit 130 and is connected to the controller 170 to control on / off of the valve 160 to move moisture to the filter unit 120 .

The control unit 170 is connected to the sensor unit 140 and the valve 160 to selectively open and close the valve 160 by determining the state of the water applied to the filter unit 120 through the sensor unit 140 .

More specifically, when the controller 170 determines that the filter unit 120 is low in moisture through the sensor unit 140, the control unit 170 opens the valve 160 so that the moisture is supplied to the filter unit 120 So that the filter unit 120 can effectively filter the outside air.

In contrast, if it is determined that sufficient moisture is sprayed to the filter unit 120 through the sensor unit 140, the controller 170 may block the valve 160 to prevent the water from being sprayed onto the filter unit 120 .

As a result, in this embodiment, the valve 160 is selectively blocked through the control unit 170 according to the water state of the filter unit 120, so that water can be automatically supplied to the filter unit 120 have.

FIG. 3 is a schematic view of a clean room system according to another embodiment of the present invention, and FIG. 4 is a view illustrating an air flow of a clean room system according to another embodiment of the present invention.

3 and 4, the clean room system includes a wet filter apparatus 100, an air conditioner 200, and a HEPA filter unit 300.

The wet filter device 100 filters the outside air introduced from the outside air duct 1 through a wet process so that the filtered air flows into the air conditioner 200. To this end, In the supply box, the valve 160 interlocked with the sensor installed in the wet filter device 100 is selectively operated to automatically supply the water to the wet filter uniformly.

The detailed description of the structure and effect of such a wet filter device 100 has been described above in detail with reference to Figs. 1 to 2, and therefore will not be described.

The air conditioner 200 is connected to the clean room 10 and is configured to suck air in the clean room 10 and to circulate the air sucked in the clean room 10 to the clean room 10 through filtration.

That is, the air conditioner 200 circulates the air inside the clean room 10 through the suction hole 12 formed at one side of the clean room 10, and thus the air inside the clean room 10 is maintained in an aseptic state .

When the outside air filtered by the wet filter device 100 installed at the inlet side is introduced into the air conditioner 200, the air is mixed with the air recovered from the clean room 10, and then the mixed air is filtered, To be supplied to the filter unit (300).

In the air conditioner 200, a pre-filter 210 and a medium filter 220 are sequentially installed in order to filter the mixed air.

The prefilter 210 is installed at the front end of the air conditioner 200 to primarily filter relatively large dust such as lint, hair, etc. mixed in the air mixed in the clean room 10.

The medium filter 220 is a filter for filtering a relatively small dust that has not been filtered by the pre-filter 210, and the mixed air is secondly filtered and sent to a HEPA filter unit 300 to be described later.

The HEPA filter unit 300 is installed outside the clean room 10 and finally dusts and the like contained in the air filtered through the prefilter 210 and the medium filter 220 are sprayed into the clean room 10 The air that has passed through the medium filter 220 can be moved to the HEPA filter unit 100 at a predetermined speed through the blower 230 installed at the rear end of the air conditioner 200. As a result, So that the air moved through the blower 230 is finally filtered and supplied to the clean room 10.

The HEPA filter unit 300 includes a HEPA filter in the inner space and is capable of measuring the pressure and air volume of the air supplied to the clean room 10 through the HEPA filter, Can be effectively grasped through the pressure and air volume of the air passing through the HEPA filter.

Accordingly, since the clean room system according to the present embodiment can effectively grasp the replacement period of the HEPA filter, the lifetime of the HEPA filter unit 300 can be prolonged, and as a result, the HEPA filter can be replaced at an appropriate time It is possible to prevent the reliability of the clean room 10 from being lowered due to the performance degradation of the HEPA filter.

Hereinafter, FIG. 5 is a view showing the supply and discharge of water to the wet filter device of the clean room system according to another embodiment of the present invention.

5, the clean room system is installed at one side of the air conditioner 200, and includes a wet filter device 100 (hereinafter, referred to as a " clean air filter ") that filters the air supplied from the outside through a wet filter, ).

When the external air flows into the wet filter device 100 through the external air duct 1, moisture is supplied to the wet filter device 100 for separating and adsorbing the contaminants of the fine particles contained in the external air. The moisture is supplied onto the air conditioner 200 And is supplied to the wet filter device 100 through the water supply pipe 240.

The wet filter device 100 is connected to the drain pipe 250 of the air conditioner 200 so that water remaining in the wet filter device 100 can be discharged to the outside of the wet filter device 100, Can be discharged to the outside of the wet filter device 100 along the drain pipe 250.

As a result, in the present embodiment, not only a separate device for supplying and discharging the water for the wet filter device 100 is installed, but also a water pipe 240 and a drain pipe 250 of the existing air conditioner 200 So that the structure of the clean room system can be simplified.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many modifications may be made thereto, It will be understood that all or some of the elements (s) may be optionally constructed in combination. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: outside duct 12: suction hole
10: Clean room 100: Wet filter device
110: inlet part 120: filter part
130: jetting part 131: connecting member
132: injection member 140:
150: drain portion 160: valve
170: control unit 200: air conditioner
210: prefilter 220: medium filter
230: blower 240: water supply pipe
250: drain pipe 300: HEPA filter unit

Claims

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An air conditioner connected to the clean room for sucking air in the clean room and circulating the sucked air in the clean room to the clean room;
A wet filter device installed at an inlet side of the air conditioner and filtering the air supplied from the outside through a wet filter to allow the filtered air to flow into the air conditioner; And
And a HEPA filter unit connected to the outlet of the air conditioner for filtering the air supplied from the air conditioner and supplying the filtered air to the clean room,

The air sucked in the clean room does not pass through the wet filter device but passes through only the HEPA filter unit and is circulated to the clean room,
Wherein the air supplied from the outside passes through the wet filter unit and then passes through the HEPA filter unit and then supplied to the clean room.

The method according to claim 6,
In the wet filter device,
Wherein a moisture is drawn from a humidifier pipe of the air conditioner and connected to a drain pipe of the air conditioner to discharge residual moisture.

The method according to claim 6,
The air conditioner includes:
Wherein a pre-filter and a medium filter are sequentially disposed inside the clean room to filter the air sucked in the clean room.

9. The method of claim 8,
The air conditioner includes:
And a blower for blowing air filtered through the pre-filter and the filter to the HEPA filter unit.

The method according to claim 6,
The HEPA filter unit includes:
Wherein a plurality of clean air are provided outside the clean room to supply filtered air to the clean room.