TWI662988B - Counter-current type liquid mist removing hypergravity device - Google Patents

Abstract

A counter-current type liquid mist removing hypergravity device includes a casing, a rotating bed unit, a rotating shaft, a defogging unit and a duct. The rotating bed unit is disposed in the casing and is spaced from the casing, and defines a circulation space located in the interior. The rotating shaft is connected to the rotating bed unit and extends from the rotating bed unit to the outside of the housing. The defogging unit is disposed in the casing, is connected to the rotating shaft, and is connected to the casing by a first dynamic sealing device, and the defogging unit and the rotating bed unit are spaced apart from each other in the axial direction of the rotating shaft. The conduit extends into the circulation space from outside the housing. The counter-current type liquid mist-removing supergravity device of the present invention can remove the liquid mist from the gas in a countercurrent manner through the gas and the blocked liquid, and has a good defogging effect.

Description

Counter-current type liquid mist removing hypergravity device

The invention relates to a hypergravity device for removing liquid mist, in particular to a counterflow type hypergravity device for removing liquid mist.

In a hypergravity device, the gas after gas-liquid mass transfer often entrains droplets to form a liquid mist. It is easy to cause equipment pollution or liquid loss during subsequent chemical use. Generally, a gas-liquid separation device is required to carry the gas Droplets isolated.

Chinese Patent No. 1036766 B discloses a cross-flow rotating bed hypergravity field device in which the gas and liquid phases are contacted in a cross flow in a packing layer, and then the gas is removed from the rear end of the packing layer through a defogging section that is rotating together. However, the droplets entrained by the gas in the defogging section are blocked and ejected outward with the centrifugal force, so that the liquid mist is removed from the gas by the cross-flow of the gas through the filler layer, thus resulting in the defogging section. The gas close to the outside in the radial direction easily entrains liquid droplets, resulting in poor defogging effect.

Therefore, an object of the present invention is to provide a counter-current type liquid mist removal supergravity device, which can overcome the disadvantages of the foregoing prior art.

Therefore, the counter-current type liquid mist-removing hypergravity device of the present invention includes a casing, a rotating bed unit, a rotating shaft, a defogging unit, and a duct. The rotating bed unit is disposed in the casing and is spaced from the casing, and defines a circulation space located in the interior. The rotating shaft is connected to the rotating bed unit and extends from the rotating bed unit to the housing. outer. The defogging unit is disposed in the casing, is connected to the rotating shaft, and is connected to the casing by a first dynamic sealing device, and the defogging unit and the rotating bed unit are spaced apart from each other in the axial direction of the rotating shaft. The conduit extends into the circulation space from outside the housing.

The effect of the present invention is that the counter-current type liquid mist removing super-gravity device can remove the liquid mist from the gas in a countercurrent manner through the gas and the blocked liquid, and has a good defogging effect.

The content of the present invention will be described in detail below. Preferably, the defogging unit and the rotating bed unit are spaced apart from each other in the axial direction of the rotating shaft by an outer partition plate extending in the radial direction of the rotating shaft. The fluid on both sides of the outer partition plate is blocked from penetrating directly.

Preferably, the defogging unit is disposed above the rotating bed unit.

Preferably, the defogging unit includes an inner partition and a liquid defogging layer. The inner partition plate extends in the radial direction of the rotating shaft to block the fluid in the circulating space from penetrating in the axial direction of the rotating shaft. The liquid removing mist layer blocks the liquid droplets entrained by the gas passing inwardly in the radial direction of the rotation axis.

Preferably, the rotating bed unit includes a substrate and a filling layer. The substrate closely surrounds the rotation axis and extends in a radial direction of the rotation axis to block the fluid in the circulation space from penetrating. The filling layer and the substrate together define the circulation space.

Preferably, the casing includes an air inlet, an air outlet, and a liquid outlet. The air inlet is adapted to introduce gas into the housing. The air outlet is adapted to discharge the gas passing through the demister unit. The liquid outlet is disposed at the bottom of the casing.

More preferably, the liquid removing mist layer has a hollow column shape extending in the axial direction of the rotation axis.

In some embodiments of the present invention, the inner partition is connected to the casing by a second dynamic sealing device. In some embodiments of the present invention, the inner partition is connected to the conduit by a second dynamic sealing device. In some embodiments of the present invention, the inner partition plate is air-tightly connected to the rotating shaft.

More preferably, the air outlet is provided on the top of the casing.

1‧‧‧ counter-current type liquid mist removal hypergravity device

2‧‧‧ shell

21‧‧‧air inlet

22‧‧‧ Outlet

23‧‧‧ Outlet

3‧‧‧ rotating bed unit

30‧‧‧Circulation space

31‧‧‧ substrate

32‧‧‧ Filler

4‧‧‧rotation axis

5‧‧‧ Defog unit

51‧‧‧Inner partition

52‧‧‧De-liquid mist layer

6‧‧‧ catheter

71‧‧‧The first dynamic sealing device

72‧‧‧Second moving sealing device

8‧‧‧ Outer partition

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: [FIG. 1] is a cross-sectional view of the first embodiment of the counter-current type liquid mist removing hypergravity device of the present invention; 2] is a cross-sectional view of a second embodiment of a counter-current type liquid mist removal supergravity device of the present invention; [FIG. 3] is a cross-sectional view of a third embodiment of a counter-current type liquid mist removal super-gravity device of the present invention; 4] is a cross-sectional view of a fourth embodiment of the counter-current type liquid mist removing hypergravity device of the present invention; and [Fig. 5] is a cross-sectional view of the fifth embodiment of the counter-current type liquid mist removing hypergravity device of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

The present invention will be further described with reference to the following examples, but it should be understood that these examples are for illustrative purposes only and should not be construed as limiting the implementation of the present invention.

Referring to FIG. 1, a first embodiment of a counter-current type liquid mist removing hypergravity device 1 according to the present invention includes a casing 2, a rotating bed unit 3, a rotating shaft 4, a defogging unit 5, and a duct 6.

The casing 2 includes an air inlet 21, an air outlet 22, and a liquid outlet 23. The air inlet 21 is adapted to introduce gas into the casing 2. The air outlet 22 is provided on the top of the casing 2 and is suitable for discharging the gas passing through the demister unit 5. The liquid outlet 23 is disposed on the bottom of the casing 2.

The rotating bed unit 3 is disposed in the casing 2 and is spaced from the casing 2 to define a circulation space 30 located in the interior. In this embodiment, the rotating bed unit 3 is a rotating packed bed. The rotating packed bed includes a substrate 31 and a packing layer 32. The substrate 31 closely surrounds the rotation axis 4 and extends in the radial direction of the rotation axis 4 to block the fluid in the circulation space 30 from penetrating. The filling layer 32 and the substrate 31 jointly define the circulation space 30. In this embodiment, the air inlet 21 is disposed on the top of the casing 2 and is suitable for introducing gas into the circulation space 30. The material filled in the filling layer 32 is selected from the group consisting of barbed wire, glass balls, plastic fillers, activated carbon, zeolite, metal plates, and combinations thereof.

The rotating shaft 4 is connected to the rotating bed unit 3 and extends from the rotating bed unit 3 to the outside of the casing 2.

The defogging unit 5 is disposed in the casing 2 and above the rotating bed unit 3, is connected to the rotating shaft 4 through the rotating bed unit 3, and is air-tightly connected to the housing through a first dynamic sealing device 71. 2 and the defogging unit 5 and the rotating bed unit 3 are borrowed An outer partition plate 8 extending in the radial direction of the rotary shaft 4 is spaced apart in the axial direction of the rotary shaft 4 to block the fluid on both sides of the outer partition plate 8 from penetrating directly. The defogging unit 5 includes an inner partition 51 and a liquid defogging layer 52. The inner partition plate 51 extends in the radial direction of the rotating shaft 4 and is air-tightly connected to the housing 2 by a second dynamic sealing device 72 and air-tightly connected to the outer partition plate 8 to block the circulation space 30 The intermediate fluid penetrates in the axial direction of the rotating shaft 4. In this embodiment, the outer partition plate 8 and the inner partition plate 51 are single-pieces. The liquid removing mist layer 52 blocks the liquid droplets entrained by the gas passing inwardly in the radial direction of the rotating shaft 4. The mist removing layer 52 has a hollow column shape extending in the axial direction of the rotating shaft 4. The liquid removing mist layer 52 is air-tightly connected to the casing 2 through the first dynamic sealing device 71. In this embodiment, the liquid removing mist layer 52 is a barbed wire.

The duct 6 extends from the outside of the casing 2 through the top of the casing 2 into the circulation space 30.

When the rotating shaft 4 is rotated by an external drive to rotate the combination of the rotating bed unit 3 and the defogging unit 5 relative to the housing 2, the duct 6 supplies an absorption liquid that can be used to absorb pollutants in the gas. The absorption liquid flows into the circulation space 30 through a hole (not shown) on the side of the duct 6. With the driving of centrifugal force, the absorbing liquid moves from the inside to the outside along the radial direction of the rotation axis 4 and is thinned and dispersed into tiny liquid droplets, liquid filaments, or liquid films in the filling layer 32 to perform gas-liquid Mass transfer. In this embodiment, the gas and the liquid in the filling layer 32 contact in the radial direction of the rotating shaft 4 in a forward flow manner, and pass through the filling layer 32 from the inside to the outside. Subsequently, the liquid flows out from the liquid outlet 23 at the bottom of the casing 2; the gas flows upward to the liquid-removing mist layer 52 and passes through the liquid-removing mist layer 52 from the outside to the inside along the radial direction of the rotation axis 4, and at the same time, The entrained liquid droplets are blocked in the liquid removing mist layer 52 and are ejected outward with the centrifugal force, so that the liquid mist can be blocked by the gas and the The liquid is separated and removed from the gas in a countercurrent manner. Finally, the dry gas passing through the demister unit 5 is discharged from the air outlet 22 on the top of the casing 2.

Referring to FIG. 2, a second embodiment of a counter-current type liquid mist removing hypergravity device 1 according to the present invention is similar to the first embodiment, except that in the second embodiment, the air inlet 21 is provided at On the side of the casing 2, the inner partition 51 extends in the radial direction of the rotation shaft 4 and is connected to the duct 6 air-tightly by a second dynamic sealing device 72. The outer partition 8 and the rotating bed unit 3 are in the The rotation shafts 4 are spaced apart in the axial direction.

When the rotating shaft 4 is rotated by external driving so that the combination of the rotating bed unit 3 and the defogging unit 5 is rotated relative to the housing 2, the gas and liquid in the filling layer 32 are in the counter-current manner on the rotating shaft. 4 of the radial contact. Subsequently, the gas flows upward through the space between the outer partition plate 8 and the rotating bed unit 3, and then flows to the liquid removing mist layer 52.

Referring to FIG. 3, a third embodiment of the counter-current type liquid mist removing hypergravity device 1 of the present invention is similar to the second embodiment, except that in the third embodiment, the defogging unit 5 is directly connected The rotating shaft 4, the duct 6 extends from the outside of the housing 2 through the side of the housing 2 into the circulation space 30, and the inner partition 51 extends in the radial direction of the rotating shaft 4 and is connected to the rotating shaft 4 in an airtight manner. .

Referring to FIG. 4, a fourth embodiment of a counter-current type liquid mist removal supergravity device 1 according to the present invention is similar to the third embodiment, except that in the fourth embodiment, the rotating bed unit 3 is a Rotating zigzag bed, which includes a base plate 31 and three rotary baffles. The housing 2 also includes three stationary baffles inside. .

Referring to FIG. 5, a fifth embodiment of the counter-current type liquid mist removing hypergravity device 1 of the present invention is similar to the third embodiment, except that in the fifth embodiment, the liquid mist removing layer 52 is A filled columnar shape extending in the axial direction of the rotating shaft 4.

To sum up, the super-gravity device 1 of the counter-current type liquid mist removing device of the present invention can make liquid mist from the gas in a countercurrent manner by the gas and the blocked liquid through the arrangement of the demister unit 5 and the rotating bed unit 3 Being removed can effectively reduce the entrainment of liquid droplets during gas discharge and achieve a good defogging effect, so it can indeed achieve the purpose of the present invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited in this way, any simple equivalent changes and modifications made in accordance with the scope of the patent application and the content of the patent specification of the present invention are still Within the scope of the invention patent.

Claims (10)

A counter-current type liquid mist-removing hypergravity device includes: a casing; a rotating bed unit disposed in the casing and spaced from the casing to define a circulation space located inside; a rotating shaft connected to the rotating bed The unit extends from the rotating bed unit to the outside of the housing; a defogging unit is provided in the housing, is connected to the rotating shaft, and is connected to the housing by a first dynamic sealing device, and the defogging unit and the rotation The bed unit is spaced in the axial direction of the rotating shaft by an outer partition plate extending in the radial direction of the rotating shaft to block the fluid on both sides of the outer partition plate from penetrating directly; and a duct from the casing The exterior extends into the circulation space. The counter-current type liquid mist removing hypergravity device according to claim 1, wherein the mist removing unit is disposed above the rotating bed unit. The counter-current type liquid mist-removing hypergravity device according to claim 1, wherein the defogging unit includes: an inner partition plate extending in a radial direction of the rotating shaft to block the flow together with the outer partition plate; The fluid in the space penetrates in the axial direction of the rotating shaft; and a liquid mist removing layer to block the liquid droplets entrained by the gas passing inward in the radial direction of the rotating shaft. The counter-current type liquid mist removing hypergravity device according to claim 1, wherein the rotating bed unit includes: a base plate that closely surrounds the rotation axis and extends in a radial direction of the rotation axis to block the circulation space Fluid penetration; and a filling layer that surrounds the substrate to define the circulation space. The counter-gravity defogging hypergravity device according to claim 1, wherein the casing includes: an air inlet adapted to introduce gas into the casing; and an air outlet adapted to lead through the demister unit. Gas; and a liquid outlet, provided at the bottom of the casing. The counter-current type liquid mist removing hypergravity device according to claim 3, wherein the liquid mist removing layer has a hollow column shape extending in the axial direction of the rotation axis. The counter-current type liquid mist removing hypergravity device according to claim 3, wherein the inner partition plate is connected to the casing by a second dynamic sealing device. The counter-current type liquid mist removing hypergravity device according to claim 3, wherein the inner partition plate is connected to the duct by a second dynamic sealing device. The counter-current type liquid mist removing hypergravity device according to claim 3, wherein the inner partition plate is air-tightly connected to the rotating shaft. The counter-current type liquid mist removing hypergravity device according to claim 5, wherein the air outlet is provided on the top of the casing.