JP2002346331A - Gas cleaning apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas cleaning apparatus which reduces the entrainment of liquid into cleaned gas and can be miniaturized by improving the performance of a gas cleaning apparatus of Japanese Patent Laid-Open No.70653/2000. SOLUTION: The liquid holding layer 52 of a fiber mat is formed in a rotation member 22, and gas is passed in the axial direction through the layer. The particles of the liquid moving from the center toward the fringe of the liquid holding layer 52 contact the gas and disperse or dissolve dust and odor components in the gas into the liquid. The gas with the concentration of these components reduced is discharged above the layer 52. The flow rate of the gas moving around the rotation member 22 so that the entrainment and evaporation of the scattered liquid particles are reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas cleaning apparatus for separating a target component in a gas by dissolving or dispersing the component in the liquid by bringing the gas into contact with a liquid.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. Hei 12 (1999) discloses an example of an air cleaning device that can be used as a device for removing fine particles in air, a device for removing odors in air, a device for removing harmful components in combustion gas, a device for removing dust, and the like.
-70653. Here, the first rotating member and the second rotating member are rotatably supported, supply the liquid to the center side of the rotating first rotating member, and collect the liquid shaken off from the rotating first rotating member. , To the center of the rotating second rotating member. On the other hand, the gas in contact with the liquid is guided by the second rotating member, guided to the first rotating member, and brought into contact with the liquid again by the first rotating member. Thereby, the second
A part of the component remaining in contact with the liquid by the first rotating member is further separated from the gas in which a part of the target component is separated by contacting the liquid with the rotating member.

[0003]

SUMMARY OF THE INVENTION Japanese Patent Application Laid-Open No. 12-7065
In the gas cleaning device disclosed in Japanese Patent Publication No. 3, since the gas traverses the edge of the rotating member on which the liquid scatters, when the flow rate of the gas is increased, a part of the scattered particulate liquid may be discharged together with the gas. is there. Further, since the contact efficiency of the liquid with the gas in the flow path remote from the rotating member is low, it is necessary to increase the number of stages of the rotating member and design a thin and precise gas flow path. further,
Since a rotating body having a large diameter is required to secure a contact area between the liquid and the gas, the size of the apparatus is increased. SUMMARY OF THE INVENTION An object of the present invention is to provide a gas cleaning apparatus in which the liquid is hardly taken out into the cleaned gas and the apparatus can be easily miniaturized.

[0004]

A gas cleaning apparatus according to the present invention comprises a first rotating member and a second rotating member rotatably supported, and a supply means for supplying a liquid to the center of the rotating first rotating member. Collecting means for collecting the liquid shaken off from the rotating first rotating member and supplying the liquid to the center side of the rotating second rotating member; and In a gas cleaning device having guide means for leading to one rotating member and bringing the liquid into contact with the first rotating member again, at least one of the first rotating member and the second rotating member includes:
It has a liquid holding layer that serves as a liquid passage from the center side to the edge side, and allows gas to pass in the axial direction and makes contact with the liquid.

[0005]

According to the gas cleaning apparatus of the present invention, the liquid which is driven by the centrifugal force in the liquid holding layer and moves from the center of rotation to the edge contacts the gas flowing through the liquid holding layer in the axial direction. Through the contact between the liquid and the gas, at least a part of the target component in the gas is dissolved or dispersed in the liquid and taken into the liquid. The liquid moving from the center side to the rim side in the liquid holding layer carries away the liquid in which the concentration of the dispersed or dissolved component has increased to the rim side, and replaces the liquid with a low component concentration. Further, at least a part of the components in the gas directly adhered, adsorbed, or bonded to the liquid holding layer from the gas is dissolved or dispersed in the liquid and carried away, and clogging, contamination, alteration, etc. of the liquid holding layer are prevented. Suppress.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An air cleaning apparatus according to an embodiment will be described with reference to FIGS. 1 is a cross-sectional view of the air cleaning device of the embodiment as viewed from the side, FIG. 2 is a plan view of a partition member, FIG. 3 is a side view of the partition member, FIG. 4 is a side view of a rotating member, and FIG. It is a bottom view. As shown in FIG. 1, the air purifying apparatus 10 of the embodiment guides the water stored in the upper supply tank 12 to the cleaning unit 11 little by little to dissolve or disperse the fine particles and the malodorous components in the water. Store in the drain tank 13.

[0007] The five-stage partition member 23, the upper container 26, and the lower container 21 that constitute the appearance of the cleaning section 11 are connected by a common ring-shaped rubber seal 24, and are easily disassembled by being pulled in the axial direction. Six-stage rotating members 22 are arranged inside the housing structure of the cleaning unit 11. The pipe 15 of the air inflow path is connected to the side surface of the lower container 21, and the pipe 16 of the air outflow path is connected to the outer wall of the air cleaning device 10 outside the upper container 23. As shown by the arrows in the figure, the uncleaned air is
5 flows into the cleaning unit 11 and flows through the partition member 23 and the rotating member 22. The air washed by the rotating member 22 is taken out of the pipe 16 to the outside.

[0008] The motor 17 fixed to the lower surface of the lower container 21 of the cleaning unit 11 is connected to a main shaft 32 via a coupling 25.
Is driven to rotate. The upper end of the main shaft 32 is supported by a bearing 34. Male threads are formed above and below the main shaft 32.
The main shaft 32 and these members are integrally fixed by stacking the five cylindrical spacers 31 and the six rotating members 22 through the main shaft 32 and tightening the upper and lower parts with a pair of nuts 33. The bottom of the lower container 21 excluding the mounting portion of the motor 17 is formed to be inclined toward one edge, and a drain pipe 36 is connected to the lowest position. The tip of the drain pipe 36 is poured into the drain tank 13. The drain tank 13 can be taken out of the air cleaning device 10 by opening the door 19.

The exhaust fan 18 is fixed on the upper container 26 of the washing section 11. The exhaust fan 18 sucks air inside the cleaning unit 11 and forms an airflow in an air path from the pipe 15 to the pipe 16. The water supply tank 12 is arranged above the exhaust fan 18. When the lid 27 provided on the upper part of the air purifying device 10 is opened, it is possible to inject water directly into the water supply tank 12 using mineral water or the like containing a plastic bottle. The water stored in the water supply tank 12 flows from the flow control valve 14 to the cleaning unit 11 via the pipe 35.
By manually adjusting the opening of the flow control valve 14, the cleaning unit 11
The amount of water per minute to be supplied to is set. The distal end of the conduit 35 reaches the vicinity of the main shaft 32 and opens, supplying water to the center of the rotating member 22.

As shown in FIG. 2 and FIG.
Is formed by integrally molding a cylindrical portion 44 on the outer periphery and a bottom portion 45 on a lower portion with a thin metal plate. A radial slit 41 and an opening 42 are formed in the bottom 45, and are bent downward at a bending line 43 to form a slope. The inner surface of the partition member 23 is subjected to an alumina sand blast treatment in order to increase the hydrophilicity and make it difficult to form water droplets. The partition member 23 collects and collects water droplets that have been shaken off from the outer peripheral portion by the rotating member 22 on the inner wall surface or the like of the cylindrical portion 44, and guides the water droplets along the slope of the bottom 45 to the central portion of the rotating member 22 one step below. Pour into.

As shown in FIG. 4 and FIG.
Is formed by laminating a substrate 51 cut out circularly from a thin metal punching plate and a thin metal disk 53. A disc-shaped liquid holding layer 52 is adhered to the upper surface of the substrate 51.
The main shaft 32 passes through the central opening 56. Liquid holding layer 5
2 is made of a fiber mat having both air permeability and hydrophilicity, and retains water supplied to the center of the rotating member 22;
The substrate 51 is brought into contact with air supplied through a number of openings 55. The liquid holding layer 52 also forms a movement path of water that is driven from the center to the outer periphery as the rotating member 22 rotates. The disc 53 covers the opening 55 in the central area of the substrate 51, and the liquid retaining layer 52 in the central area where the water retention state is unstable and the rotation speed is low (therefore, the contact efficiency between the liquid and the gas is low). Prevent them from passing through.

In the air purifying apparatus 10 of the embodiment configured as described above, the clean water supplied from the water supply tank 12 to the center of the rotating member 22 through the pipe 35 retains the liquid in the uppermost rotating member 22. Absorbed in layer 52. The water absorbed in the center of the liquid holding layer 52 moves from the center to the edge of the tissue of the liquid holding layer 52 with the rotation of the rotating member 22 to dissolve or disperse contaminants in the air. take in. The water that has reached the outer edge of the liquid holding layer 52 is shaken off from the edge of the substrate 51 and is captured on the outer peripheral portion of the partition member 44. The collected water is supplied to the central part of the rotating member 22 one step below. This is repeated in the second to fifth rotating members 22 to gradually increase the concentration of the contaminants dissolved or dispersed in the water, and the contaminated water finally collected in the lower container 21 is discharged to the drain pipe 36. Through the drain tank 13. On the other hand, the contaminated air that has flowed into the cleaning unit 11 from the pipe 15 passes through the liquid holding layer 52 of the lowermost rotating member 22 from the bottom to the top, and is cleaned. And is guided to the liquid holding layer 52 of the rotating member 22 one level higher. In this manner, contaminants are gradually removed by contacting water in the tissue of the liquid holding layer 52 of each stage, and finally the liquid holding layer 52 of the uppermost stage is removed.
The clean air that has passed through is discharged from the exhaust fan 18 to the outside of the air cleaning device 10 via the pipe 16.

In the air purifying apparatus 10 of the embodiment, Japanese Patent Laid-Open
Utilizing the invention of 2-70653, (1) the liquid and the gas come into contact with each other on the surface and inside of the rotating body to take in the component in the gas into the liquid, and (2) the liquid in the liquid is rotated by the next lower rotating body. The gas from which some of the components have been removed comes into contact with the water on the rotator on the next stage, and a part of the remaining components is further removed. (3) The concentration of the component taken in the liquid by reusing it in the next lower rotating body is increased, and (4) the gas flow and the liquid flow are set upside down, so that the liquid with the lowest component concentration has the lowest component concentration. And the liquid having the highest component concentration is brought into contact with the gas having the lowest component concentration.

According to the air cleaning apparatus 10 of the embodiment, the rotating members are arranged in six stages, and the air that has been cleaned in the lower stage is led to the cleaning in the upper stage, and the cleaning effect of the air is multiplied. As a result, the water supply is squeezed and the cleaning effect is as low as 30% per stage (takes in 30% of the pollutants in the air)
, 99% or more (1-
(0.7 to the sixth power)). Further, a flow of water (movement of water droplets) from the center to the edge is formed in the liquid holding layer 52 of the rotating member 22 to carry away contaminants and refresh the liquid holding layer 52 constantly. Clogging, alteration, pollution and odor sources are suppressed.
Also, by forming a flow of air passing through the rotating member 22,
Since the flow of the air flowing around the edge of the rotating member 22 was suppressed, the phenomenon that water droplets scattered from the edge of the rotating member 22 were caught in the rising air flow and evaporated or dispersed in the air was suppressed. Therefore, the proportion of the components dissolved or dispersed in water dispersed in the air again and taken out is reduced. Further, since a small amount of water evaporates at the edge of the rotating member 22, the possibility that salt, calcareous and the like originally contained in the clean water are dispersed in the air and released to the outside is reduced. And
Since the loss of water through the six-stage rotating member 22 can be reduced, sufficient cleaning efficiency can be maintained with a smaller amount of water supply.
For a long time. As a result, an independent air purifier that does not require complicated piping and equipment for constantly supplying and draining water from the outside, and an independent air purifier that operates for a long time even though it is lightweight and small, have become possible.

Further, since the partition member 23 of each stage is a common component and is connected by the common rubber seal 24 including the upper container 26 and the lower container 21, the number of components and the assembling time are reduced. Similarly, the six-stage rotating member 23 is formed of a common component, and is inserted into the main shaft 32 together with the five spacers 31 and tightened by the pair of female screws 33 to integrate the whole. The entire rotating part can be disassembled and reassembled only by attaching and detaching the partition member 33. At the time of assembly, the interval between the rotating members 22 is automatically set.
In addition, it is easy to replace the entire components including the height adjustment of the rotating member 22 and to perform disassembly and cleaning.

A punching plate is used for the substrate 51,
Since a considerable area of the liquid holding layer 52 is involved in the contact between the liquid and the gas through the innumerable openings 55, even if the flow rate of the gas is large, the speed at which the gas passes through the liquid holding layer 52 is small,
The residence time of the gas in the liquid holding layer 52 is extended, and the components in the gas can be efficiently taken into the liquid. At the same time, since the gas flows through the rotating member 22 in the axial direction, it is not necessary to push the gas between the edge of the rotating member 22 where the flow resistance increases due to the rotation and the partition member 23, and the pressure loss of the entire cleaning unit 11 is reduced ( The gas flow resistance can be reduced). Therefore,
A considerably large amount of gas can be driven even by a small power exhaust fan, and the exhaust fan can be reduced in size and power consumption can be reduced.

A plurality of slits 4 intersecting at the center side
Since 1 is formed on the partition member 22 to form a plurality of slopes toward the center, the liquid collected on the outer peripheral portion of the partition member 23 is efficiently guided to the center side along the edge of the slope. Therefore, the liquid is less likely to stay in the outer peripheral portion of the partition member 23 to form a precipitate or contaminate the inner wall surface of the partition member 22. Since the tip of the slope where the two slits 41 intersect is sharpened sharply, the liquid particles (droplets) efficiently grow at the tip even with a small amount of liquid, and the lower and lower stages are continuously and stably formed. Water can be poured into the liquid holding layer 52. In addition, an independent opening 42 is formed in the partition wall member 23 for directly opposing the upper rotating member 22 and the lower rotating member 22 at a position away from the center through which the main shaft 32 and the spacer 31 penetrate. The flow velocity of the gas passing through the partition member 23 is suppressed as much as the opening area including the opening 41 is increased, and in particular, almost no upward air flow occurs at the tip of the slope where the liquid becomes particles (droplets) and drips down. Does not occur.
Therefore, the ejection and evaporation of the liquid particles due to the upward gas flow are reduced.

A water supply tank 12 is provided above the washing section 11.
And a drain tank 13 is disposed below the washing unit 11 to supply the liquid from the water supply tank 12 to the washing unit 11 and accumulate the used liquid in the drain tank 13. Therefore, all of the drainage piping, water supply equipment, and drainage equipment are not required, and the installation and movement of the air purification device 10 can be performed easily and at low cost.

Incidentally, the air purifying apparatus of the embodiment can be modified as follows by applying the invention disclosed in Japanese Patent Application Laid-Open No. 12-70653. (1) The efficiency of cleaning components in the air is adjusted by controlling the motor 17 to change the rotation speed of the rotating member 22. (2) The rotation speed of the rotating member 22 is set according to the flow rate of the supplied air by controlling the motor 17 to maintain a constant cleaning efficiency. (3) The flow control valve 14 is replaced with a solenoid valve capable of ON / OFF control.
The duty and frequency of N / OFF are changed. (4)
The ON / OFF duty and frequency of the water supply solenoid valve are increased or decreased in accordance with the rotation speed of the rotating member 22, and the control is continuously performed so as to secure the required cleaning efficiency with the minimum water supply amount. (5) A water supply pipe and a drain pipe are connected to the washing unit 11 to supply water from the outside and drain the water to the outside. (6) A liquid filtration device is provided between the drainage pipe and the water supply pipe to recycle and reuse the same liquid. (7) Instead of water, a liquid (for example, a high-boiling oil for capturing carbon fine particles) suitable for capturing a target component is used, or a chemical or detergent for enhancing the capturing ability is used in the liquid. Mixed. (8) The electric power obtained from the solar cell is supplied to the motor 17, so that commercial electric power and primary batteries are not required. (9) A cooling mechanism is provided in the conduit 16 on the air outlet side to collect the liquid evaporated in the washing unit 11.

In the embodiment, the substrate 5 of the punching plate is used.
Although the rotating member 22 is composed of the liquid holding layer 1 and the liquid holding layer 52 of the fiber mat, other materials and combinations can be freely used. For example, fiber mat material of metal fiber that retains its shape even when wet and resists rotation, metal plate with a hydrophilic surface, resin plate, wire mesh, filter paper, sponge-like material, cloth, etc. It can be used alone or in combination. Further, the liquid holding layer 52 may be formed thick to increase the liquid holding amount per stage to increase the cleaning efficiency. The air purifying device of the embodiment, besides the living room, toilet, kitchen,
It can be used in baths, sewage treatment tanks, garbage fermenters, cattle dung methane gas plants, various dryers, compost storage, chemical handling benches, roadsides with heavy traffic, incinerators, etc. Further, the present invention can be used not only for removing sand dust and odor but also for removing various harmful substances having water solubility or water dispersibility from gas. Allergic fine particles such as pollen and mite powder, and dangerous particles such as acidic fog and asbestos chips can also be removed. Ash fine particles, nitrogen oxides and sulfur dioxide gas in the combustion exhaust gas can also be removed.

A modification of the embodiment will be described with reference to FIGS. FIG. 6 is an explanatory view of a rotation member 70 and a partition member 63 in a modified example as viewed from the side, and FIG. 7 is a plan view of the rotation member 70. As shown in FIG. 6, the partition member 63 is manufactured by integrally molding a conical portion 66 having no opening and a cylindrical portion 67 on the outer periphery, and is connected in a sealed state using a ring-shaped rubber seal 64. A considerably large opening 68 is formed at the center of the conical portion 66, and a projection is bent at an edge of the opening 68 to form four guide portions 65. As shown in FIG. 7, the substrate 71 of the rotating member 70 has an opening 76 through which the main shaft passes through the center.
Are formed, and a plurality of openings 73 are formed at positions slightly away from the outer periphery. The liquid holding layer 72 is adhered on the substrate 71 so as to cover the openings 73 arranged in a circumferential shape. Substrate 7
The front and back surfaces of 1 are subjected to hydrophilic processing.

In the air purifying apparatus of the modified example configured as described above, the liquid dropped from the upper rotating member 70 is collected by the cylindrical portion 67 of the partition member 63 and flows down the slope of the conical portion 66. , And is supplied to the rotating member 70 in the lower stage after falling down the guide portion 65. The liquid supplied to the center of the rotating member 70 forms a liquid film on the surface of the substrate 71, spreads outward, and flows into the liquid holding layer 72. The liquid moves further outward at a reduced speed in the liquid holding layer 72, and at this time, the liquid comes into contact with the gas passing through the opening 73 from bottom to top. The liquid that has flowed out of the outer periphery of the liquid holding layer 72 is pushed to the edge of the substrate 71, scatters as a water droplet from there, and is captured by the inner surface of the cylindrical portion 67 of the partition member 63.

According to the air purifying apparatus of the modified example, the gas in which the target component is partially removed by contact with the liquid in the liquid holding layer 72 is directed toward the center opening while the liquid film on the surface of the substrate 71 is being processed. And further components are removed. Further, since the opening 73 is formed in the substrate 71 to reduce the flow of gas flowing around the edge of the substrate 71, the rate at which the liquid particles are carried away by the gas or the liquid evaporates is low. Since the gas blown by the rotation forms a seal at the edge of the rotating member 70 and hinders the flow of gas above and below, the interval between the edge of the rotating member 70 and the inner wall surface of the cylindrical portion 67 is set to be small as shown in the figure. If this is done, most of the gas will pass through the opening 73 even if the resistance of the liquid holding layer 72 is subtracted. Also, the conical portion 66
The liquid flowing down through the rotating member 7 is transmitted exclusively through the guide 65.
Therefore, even if the gas passes through the central opening 68 of the partition member 63 at a relatively high speed, the rate at which the liquid fine particles are carried away by the gas or the liquid evaporates is low.

Another modification will be described with reference to FIG. FIG. 8 is a block diagram of control in another modification. FIG.
The following control system is incorporated in the cleaning unit 11 shown in FIG. As shown in FIG. 8, a fine particle sensor 81 is provided in the conduit 15 into which the polluted gas flows, and the amount of the flowing dust is measured. A water amount sensor 82 is provided in the drain pipe 36 to measure the amount of drainage every moment. By operating the switch 83, the function of the cleaning unit 11 is turned ON / OFF. Exhaust fan 1
8 is driven by an inverter motor 87, and can change the pulse frequency supplied from the motor controller 80 to set an arbitrary rotation speed.

In another modified example configured as described above, the motor controller 80 changes the rotation speed of the motor 87 according to the measurement results of the particle sensor 81 and the water sensor 82. When the amount of dust is large, the number of revolutions is reduced to reduce the amount of purification processing per minute of air. When the amount of dust is small, the number of revolutions is increased and the amount of purification processing is increased per minute. Further, when the amount of water flowing through the drain pipe 36 decreases due to running out of water in the water supply tank 12, an increase in temperature, a decrease in humidity, or the like, the number of revolutions of the air is reduced by reducing the rotation speed of the motor 87, and the amount of flowing water increases. And increase the number of revolutions to increase the purification processing amount per minute. According to another modified example, since the rotation speed of the exhaust fan 18 is changed so that the maximum purification processing amount per minute can be exhibited while maintaining the air purification performance, the amount of water in the water supply tank 12 is reduced. Can be used for Therefore, even when expensive water such as mineral water, distilled water, purified water or the like is used, the water cost per hour and per processing gas amount can be kept low.

[0026]

According to the present invention, the gas flows in the axial direction of the rotating member to reduce the ratio of the gas flowing around the edge of the rotating member. Therefore, even if the flow rate of the gas is increased, a part of the liquid remains together with the gas. And the ratio is small. Further, since the gas positively passes through the liquid holding layer to increase the contact efficiency with the liquid, a gas cleaning apparatus having the same performance as that of Japanese Patent Application Laid-Open No. 12-70653 can be realized with fewer stages and with lower accuracy. High performance can be achieved even with a lightweight and compact device employing a small-diameter rotating member.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an air cleaning device according to an embodiment.

FIG. 2 is a plan view of a partition member.

FIG. 3 is a side view of a partition member.

FIG. 4 is a side view of a rotating member.

FIG. 5 is a bottom view of the rotating member.

FIG. 6 is an explanatory diagram of a rotating member and a partition member according to a modified example.

FIG. 7 is a plan view of a rotating member.

FIG. 8 is a block diagram of control in another modified example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Air purification apparatus 11 Washing part 12 Water supply tank 13 Drain tank 14 Flow control valve 15, 16, 35 Pipe 17 Motor 18 Exhaust fan 21 Lower container 22, 70 Rotating member 23, 63 Partition member 24, 64 Rubber seal 25 Coupling 26 Upper housing 27 Lid 31 Spacer 32 Main shaft 33 Nut 34 Bearing 36 Drain pipe 41 Slit 42, 55, 56, 57, 73, 76 Opening 43 Bending line 44 Cylindrical part 45 Bottom part 51, 71 Substrate 52, 72 Liquid holding layer 53 Circle Plate 65 Guide part 66 Conical part 80 Motor controller 81 Particle sensor 82 Water volume sensor 83 Switch 87 Fan motor

Claims (5)

[Claims] A first rotating member and a second rotating member rotatably supported; a supply unit for supplying a liquid to a center side of the rotating first rotating member; and a first rotating member which is shaken off from the rotating first rotating member. Recovery means for recovering the liquid that has been collected and supplying it to the center side of the rotating second rotating member; and guiding the gas in contact with the liquid with the second rotating member to guide it to the first rotating member, and again using the first rotating member. In a gas cleaning device having guide means for bringing the liquid into contact with the liquid, at least one of the first rotating member and the second rotating member serves as a passage for the liquid from the center side to the edge side, and allows the gas to pass in the axial direction to allow the liquid to pass therethrough. A gas cleaning device comprising a liquid holding layer to be brought into contact with a gas. 2. A first rotating member and a second rotating member rotatably supported, a supply unit for supplying a liquid to a center side of the rotating first rotating member, and a first rotating member which is shaken off from the rotating first rotating member. Recovery means for recovering the liquid that has been collected and supplying it to the center side of the rotating second rotating member; and guiding the gas in contact with the liquid with the second rotating member to guide it to the first rotating member, and again using the first rotating member. In a gas cleaning apparatus having a guide unit that makes contact with a liquid, at least one of the first rotating member and the second rotating member has a plurality of openings that allow gas to pass in the axial direction closer to the center than the edge. Characterized air cleaning equipment. 3. A first rotation member and a second rotation member fixed to a common rotation shaft and driven to rotate in common, supply means for supplying liquid to a center side of the first rotation member, and a common rotation shaft And a partition member that collects the liquid shaken off from the first rotating member and pours the liquid to the center side of the second rotating member while partitioning the first rotating member and the second rotating member by penetrating the first rotating member. A gas cleaning device, wherein a plurality of groove-shaped openings extending from an outer peripheral side to a central side and being combined into a common opening are formed in a partition member. 4. A first rotating member and a second rotating member fixed to a common rotating shaft and driven to rotate in common, supply means for supplying liquid to a center side of the first rotating member, and a common rotating shaft. And a partition member that collects the liquid shaken off from the first rotating member and pours it toward the center of the second rotating member while partitioning between the first rotating member and the second rotating member by penetrating the first rotating member. A gas cleaning device, wherein an independent opening for directly opposing the first rotating member and the second rotating member is formed in the partition member at a position distant from the opening through which the common rotating shaft passes. 5. A first rotation member and a second rotation member fixed to a common rotation shaft and driven to rotate in common, and a first rotation member and a second rotation member are passed through the common rotation shaft. A partition member that collects the liquid shaken off from the first rotating member and pours the liquid toward the center side of the second rotating member, wherein the partitioning member is disposed above the first rotating member. A gas cleaning apparatus comprising: a first liquid tank that supplies liquid to a center side; and a second liquid tank that is disposed below the second rotating member and collects liquid discharged from the second rotating member. .