TWI832181B - Double-layer absorptive hypergravity device - Google Patents

Abstract

A double-layer absorption type hypergravity device includes a shell, a rotating bed unit, a rotating shaft, an elution layer, a baffle unit and a conduit. The rotating bed unit is disposed within the housing. The elution layer is disposed in the shell and spaced above the rotating bed unit, and cooperates with the rotating bed unit to define an air flow space therebetween. The baffle unit is disposed in the air flow space. The baffle unit includes a bottom baffle formed with a bottom through hole and a top baffle. The top baffle is spaced above the bottom baffle and spaced apart from the housing, and completely blocks the bottom through hole in the axial direction of the rotation shaft. The double-layer absorptive supergravity device of the present invention can absorb different pollutants in the gas, and can prevent the eluent from mixing with the liquid supplied by the conduit, and can allow the gas flowing through the bottom through hole to enter the eluent layer evenly.

Description

Double-layer absorptive hypergravity device

The present invention relates to a hypergravity device, in particular to a double-layer absorption type hypergravity device.

In the waste gas treatment industry, multiple treatment devices (such as supergravity devices, washing absorption towers, activated carbon adsorption towers, dust collectors, etc.) are usually connected in series to treat various different components of the waste gas (such as flue exhaust gas). Pollutants (such as sulfur oxides, nitrogen oxides, carbon dioxide, suspended particulates, etc.) require a large configuration space.

Combining multiple treatment units that can absorb different pollutants in the gas in a single device helps to reduce the required configuration space, but the liquids used in each treatment unit (for example: alkaline liquid, acidic liquid, water etc.) are easily mixed in a single device, resulting in changes in the composition of individual liquids and loss of absorption effect.

Therefore, the first object of the present invention is to provide a double-layer absorptive hypergravity device that can overcome the above-mentioned shortcomings of the prior art.

Therefore, the double-layer absorptive supergravity device of the present invention includes a shell, a rotating bed unit, a rotating shaft, an elution layer, a baffle unit and a conduit. The rotating bed unit is disposed in the housing and spaced apart from the housing, and defines an internal circulation space. The rotating shaft is connected to the rotating bed unit and extends from the rotating bed unit to the outside of the housing. The elution layer is disposed in the shell and spaced above the rotating bed unit, and cooperates with the rotating bed unit to define an air flow space therebetween. The baffle unit is disposed in the airflow space, and the baffle unit includes a bottom baffle and a top baffle. The bottom baffle is closely connected to the housing, the bottom baffle includes a bottom upper surface and a bottom surface opposite to the bottom upper surface, and the bottom baffle forms a bottom through hole penetrating the bottom upper surface and the bottom surface, To allow the circulation space to communicate with the elution layer; the top baffle is spaced above the bottom baffle and spaced apart from the housing, and completely blocks the bottom through hole in the axial direction of the rotation shaft. The conduit extends from the outside of the housing into the circulation space and is suitable for introducing a liquid into the circulation space.

Preferably, the bottom baffle further includes a bottom liquid-blocking annular wall extending upward from the bottom upper surface and surrounding the bottom through hole.

Preferably, the top baffle extends in the radial direction of the rotation axis.

Preferably, the housing includes an air inlet, an air outlet, an upper liquid outlet and a lower liquid outlet. The air inlet is suitable for introducing a gas into the housing. The gas outlet is adapted to lead out the gas passing through the elution layer. The upper liquid outlet is adjacent to the bottom upper surface of the bottom baffle. The lower liquid outlet is provided at the bottom of the housing.

Preferably, the rotating bed unit includes a base plate and a filling layer extending upward from the base plate. The filling layer and the base plate together define the circulation space, and the rotating shaft is connected to the base plate of the rotating bed unit and extends from the base plate. The base plate extends outside the housing.

Preferably, the double-layer absorptive supergravity device further includes an eluent dispersing unit, which is suitable for dispersing an eluent in the eluent layer.

Preferably, the bottom surface of the bottom baffle is connected to the top of the rotating bed unit through a dynamic seal.

Preferably, the conduit extends from the outside of the housing through the bottom liquid-blocking annular wall and the bottom through hole into the flow space.

Therefore, the second object of the present invention is to provide a double-layer absorptive hypergravity device that can overcome the above-mentioned shortcomings of the prior art.

Therefore, the double-layer absorptive supergravity device of the present invention includes a shell, a rotating bed unit, a rotating shaft, an elution layer, a baffle unit and a conduit. The rotating bed unit is disposed in the housing and spaced apart from the housing, and defines an internal circulation space. The rotating shaft is connected to the rotating bed unit and extends from the rotating bed unit to the outside of the housing. The elution layer is disposed in the shell and spaced above the rotating bed unit, and cooperates with the rotating bed unit to define an air flow space therebetween. The baffle unit is disposed in the airflow space, and the baffle unit includes a bottom baffle, at least one middle baffle and a top baffle. The bottom baffle is closely connected to the housing, the bottom baffle includes a bottom upper surface and a bottom surface opposite to the bottom upper surface, and the bottom baffle forms a bottom through hole penetrating the bottom upper surface and the bottom surface, To allow the circulation space to communicate with the elution layer; the at least one middle baffle is spaced above the bottom baffle and spaced apart from the housing, and completely blocks the bottom through hole in the axial direction of the rotation shaft, each A middle baffle includes a middle upper surface and a middle lower surface opposite to the middle upper surface. Each middle baffle forms a middle through hole penetrating the middle upper surface and the middle lower surface; the top baffles are spaced apart. It is arranged above the at least one middle baffle and spaced apart from the housing, and completely blocks the middle through hole in the axial direction of the rotation shaft. The conduit extends from the outside of the housing into the circulation space and is suitable for introducing a liquid into the circulation space.

Preferably, each middle baffle includes a middle upper surface, a middle lower surface opposite to the middle upper surface and a middle liquid-blocking annular wall, the middle liquid-blocking annular wall extends upward from the middle upper surface, and around the central via.

Preferably, each middle baffle extends in the radial direction of the rotation axis.

The effect of the present invention is that the double-layer absorption type hypergravity device can absorb different pollutants in the gas, and can prevent the eluent from flowing to the circulation space and mixing with the liquid supplied by the conduit, and can allow the flow through the bottom through hole The gas enters the elution layer evenly.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated with the same numbering.

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

Referring to Figure 1, a first embodiment of the double-layer absorbing supergravity device 1 of the present invention includes a shell 2, a rotating bed unit 3, a rotating shaft 4, a elution layer 5, a baffle unit 6, a Conduit 7, a moving seal 8 and an eluent dispersion unit 9.

The housing 2 includes an air inlet 21 , an air outlet 22 , an upper liquid outlet 23 and a lower liquid outlet 24 . The air inlet 21 is suitable for introducing a gas into the housing 2 . The gas outlet 22 is provided on the top of the housing 2 and is suitable for discharging the gas passing through the elution layer 5 . The upper liquid outlet 23 is adjacent to the bottom upper surface 611 of the bottom baffle 61 . The lower liquid outlet 24 is provided at the bottom of the housing 2 .

The rotating bed unit 3 is disposed in the housing 2 and is spaced apart from the housing 2, and defines an internal circulation space 30. In this embodiment, the rotating bed unit 3 is a rotating packed bed. The rotating packed bed includes a base plate 31 and a filling layer 32 that extends upward from the base plate 31 and is in the shape of a hollow column. The filling layer 32 and the substrate 31 together define the flow space 30 . The filling layer 32 is filled with a material selected from wire mesh, glass balls, plastic fillers, activated carbon, zeolite, metal plates or combinations thereof. In this embodiment, the air inlet 21 is provided on the side of the housing 2 and is suitable for introducing the gas to flow through the filling layer 32 to the circulation space 30 .

The rotating shaft 4 is connected to the base plate 31 of the rotating bed unit 3 and extends from the base plate 31 to the outside of the housing 2 .

In this embodiment, the elution layer 5 is disposed in the housing 2 and spaced above the rotating bed unit 3, and cooperates with the rotating bed unit 3 to define an airflow space 50 therebetween, and the shower layer 5 is disposed in the housing 2 and spaced above the rotating bed unit 3. Washing layer 5 is a wire mesh.

In other embodiments of the present invention, the elution layer 5 is spaced apart from the shell 2 and has a hollow columnar structure (not shown) similar to the packing layer 32 of the above-mentioned rotating packed bed.

The baffle unit 6 is disposed in the airflow space 50 . The baffle unit 6 includes a bottom baffle 61 and a top baffle 62 . The bottom baffle 61 is closely connected to the housing 2. The bottom baffle 61 includes a bottom upper surface 611, a bottom surface 612 opposite to the bottom upper surface 611 and a bottom liquid-blocking annular wall 613. The bottom baffle 61 forms A bottom through hole 610 passes through the bottom upper surface 611 and the bottom surface 612 for communication between the circulation space 30 and the elution layer 5 . The bottom surface 612 is connected to the top of the rotating bed unit 3 through the dynamic seal 8 . The bottom liquid-blocking annular wall 613 extends upward from the bottom upper surface 611 and surrounds the bottom through hole 610 . The top baffle 62 is spaced above the bottom baffle 61 and spaced apart from the housing 2 , and completely blocks the bottom through hole 610 in the axial direction of the rotation shaft 4 . The top baffle 62 extends in the radial direction of the rotating shaft 4 .

The conduit 7 extends from the outside of the housing 2 through the side surface of the housing 2 , the bottom liquid-blocking annular wall 613 and the bottom through hole 610 to the circulation space 30 .

In this embodiment, the eluent dispersing unit 9 is disposed above the eluent layer 5 and is suitable for dispersing an eluent from outside the housing 2 on the upper surface of the eluent layer 5, and the eluent The dispersion unit 9 is a liquid spray pipe.

In other embodiments of the present invention, the eluent dispersing unit 9 extends from the outside of the housing 2 into the space surrounded by the hollow columnar eluent layer 5, and is suitable for dispersing an eluent in the eluent. The inner ring surface of the hollow columnar elution layer 5 (not shown in the figure).

When the rotating shaft 4 is externally driven to rotate so that the rotating bed unit 3 rotates relative to the housing 2, the conduit 7 supplies a liquid (such as an alkaline absorbing liquid) that can be used to absorb contaminants in the gas, and the liquid passes through An opening (not shown) in the conduit 7 enters the circulation space 30 . With the driving of centrifugal force, the liquid moves from the inside to the outside along the radial direction of the rotation axis 4, and is dispersed into tiny droplets, liquid filaments, or liquid films in the filling layer 32 by the centrifugal force to improve gas-liquid mass transfer. rate. At the same time, gas containing pollutants (such as acid gas and alkaline gas) is introduced into the housing 2 through the air inlet 21 and contacts the liquid in the filling layer 32 in a counter-current manner in the radial direction of the rotation shaft 4 , and passes through the filling layer 32 from outside to inside.

Subsequently, the liquid that has absorbed some pollutants (such as acid gas) flows out from the lower liquid outlet 24 at the bottom of the housing 2; the gas that still contains some pollutants (such as alkaline gas) flows upward to the gas flow space 50 and flows Through the bottom through hole 610 and the space between the top baffle 62 and the housing 2, the eluent enters the eluent layer 5 evenly, and interacts with the eluent introduced by the eluent dispersion unit 9 in the eluent layer 5. (such as acidic or neutral eluents) are absorbed by contact in a countercurrent manner. Finally, the gas passing through the eluent layer 5 is discharged from the air outlet 22 on the top of the housing 2; the eluent that absorbs some pollutants (such as alkaline gas) flows through the top baffle 62 and the bottom of the bottom baffle 61. The upper surface 611 flows out from the upper liquid outlet 23 on the side of the housing 2 .

Referring to Figure 2, a second embodiment of the double-layer absorbing hypergravity device 1 of the present invention is similar to the first embodiment. The difference is that in the second embodiment, the baffle unit 6 also includes a Baffle 63. The middle baffle 63 is spaced above the bottom baffle 61 and spaced apart from the housing 2 , and completely blocks the bottom through hole 610 in the axial direction of the rotation shaft 4 . The middle baffle 63 includes a middle upper surface 631 , a middle lower surface 632 opposite to the middle upper surface 631 and a middle liquid-blocking annular wall 633. The middle baffle 63 forms a middle through hole 630 penetrating the middle upper surface 631 and the middle lower surface 632. The middle baffle 63 extends in the radial direction of the rotating shaft 4 . The middle liquid-blocking annular wall 633 extends upward from the middle upper surface 631 and surrounds the middle through hole 630 . The top baffle 62 is spaced above the middle baffle 63 and spaced apart from the housing 2 , and completely blocks the middle through hole 630 in the axial direction of the rotation shaft 4 .

In the second embodiment, the gas containing some pollutants (such as alkaline gas) flows upward to the gas flow space 50 and flows through the bottom through hole 610, the middle through hole 630, the middle baffle 63 and the The space between the shells 2 and the space between the top baffle 62 and the shell 2 enter the elution layer 5 evenly. Finally, the eluent that absorbs part of the pollutants (such as alkaline gas) flows through the top baffle 62 , the middle upper surface 631 of the middle baffle 63 and the bottom upper surface 611 of the bottom baffle 61 , and is ejected from the housing 2 The upper liquid outlet 23 on the side flows out.

Referring to Figure 3, the third embodiment of the double-layer absorbing supergravity device 1 of the present invention is similar to the second embodiment. The difference is that in the third embodiment, the baffle unit 6 includes two middle Baffle 63. The middle baffles 63 are spaced vertically above the bottom baffle 61 and spaced apart from the housing 2 . The lower middle baffle 63 completely blocks the bottom through hole 610 in the axial direction of the rotation shaft 4 . Each middle baffle 63 includes a middle upper surface 631, a middle lower surface 632 opposite to the middle upper surface 631, and a middle liquid-blocking annular wall 633. Each middle baffle 63 forms a middle upper surface 631 and a middle lower surface 632. The middle through hole 630 of the middle lower surface 632 is formed. The upper middle baffle 63 completely blocks the middle through hole 630 of the lower middle baffle 63 in the axial direction of the rotation shaft 4 . Each middle baffle 63 extends in the radial direction of the rotating shaft 4 . The middle liquid-blocking annular wall 633 extends upward from the middle upper surface 631 and surrounds the middle through hole 630 . The top baffle 62 is spaced above the middle baffles 63 and spaced apart from the housing 2 , and completely blocks the middle through hole 630 of the upper middle baffle 63 in the axial direction of the rotating shaft 4 .

In the third embodiment, the gas containing some pollutants (such as alkaline gas) flows upward to the gas flow space 50 and flows through the bottom through hole 610, the middle through holes 630, and the middle baffles 63 The space between the top baffle 62 and the housing 2 and the space between the top baffle 62 and the housing 2 enter the elution layer 5 evenly. Finally, the eluent that absorbs part of the pollutants (such as alkaline gas) flows through the top baffle 62, the middle upper surface 631 of the middle baffles 63, and the bottom upper surface 611 of the bottom baffle 61, and is ejected from the casing. 2. The upper liquid outlet 23 on the side flows out.

To sum up, through the arrangement of the baffle unit 6, the double-layer absorptive supergravity device 1 of the present invention can prevent the eluent from flowing into the circulation space 30 and the flow space 30 in a single device capable of absorbing different pollutants in the gas. The liquid supplied by the conduit 7 is mixed, and the gas flowing through the bottom through hole 610 can evenly enter the eluent layer 5 to evenly contact the eluent, so the purpose of the present invention can be achieved.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of this invention.

1·······Double-layer absorptive hypergravity device 2······ Shell 21····· Air inlet 22····· Air outlet 23····· Upper liquid outlet 24····· Lower liquid outlet 3······Rotating bed unit 30····· Circulation space 31····· Substrate 32·····Filling layer 4······Rotation axis 5······Elution layer 50····· Air flow space 6······Baffle unit 61····· Bottom baffle 610···· Bottom through hole 611···· Bottom surface 612···· Bottom surface 613···· Bottom liquid-resistance ring wall 62····· Top baffle 63····· Middle baffle 630···· Medium through hole 631···· Middle and upper surface 632···· Middle and lower surface 633···· Medium liquid-resistant ring wall 7······Catheter 8······ Dynamic seals 9······Eluent dispersion unit

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: [Figure 1] is a schematic cross-sectional view of the first embodiment of the double-layer absorptive hypergravity device of the present invention; [Fig. 2] is a schematic cross-sectional view of the second embodiment of the double-layer absorptive hypergravity device of the present invention; and [Figure 3] is a schematic cross-sectional view of the third embodiment of the double-layer absorptive hypergravity device of the present invention.

1·······Double-layer absorptive hypergravity device 2······ Shell 21····· Air inlet 22····· Air outlet 23····· Upper liquid outlet 24····· Lower liquid outlet 3······Rotating bed unit 30····· Circulation space 31····· Substrate 32·····Filling layer 4······Rotation axis 5······Elution layer 50····· Air flow space 6······Baffle unit 61····· Bottom baffle 610···· Bottom through hole 611···· Bottom surface 612···· Bottom surface 613···· Bottom liquid-resistance ring wall 62····· Top baffle 7······Catheter 8······ Dynamic seals 9······Eluent dispersion unit

Claims (9)

A double-layer absorption type hypergravity device includes: a shell, including an air inlet, a gas outlet, an upper liquid outlet and a lower liquid outlet, the air inlet is suitable for introducing a gas into the shell, the The lower liquid outlet is arranged at the bottom of the shell; a rotating bed unit is arranged in the shell and is spaced apart from the shell, and defines an internal circulation space; a rotating shaft is connected to the rotating bed unit and rotates from the The bed unit extends to the outside of the shell; a elution layer is disposed in the shell and spaced above the rotating bed unit, and cooperates with the rotating bed unit to define an airflow space therebetween; the air outlet is disposed on The top of the shell is suitable for guiding the gas through the elution layer; a baffle unit is arranged in the air flow space. The baffle unit includes: a bottom baffle, which is closely connected to the shell. The bottom baffle includes a bottom baffle. The upper surface and a lower surface opposite to the upper surface of the bottom, the bottom baffle forms a bottom through hole penetrating the upper surface of the bottom and the lower surface to allow the circulation space to communicate with the elution layer, and the upper outlet The liquid port is adjacent to the bottom upper surface of the bottom baffle, and a top baffle is spaced above the bottom baffle and spaced apart from the housing, and completely blocks the bottom through hole in the axial direction of the rotation shaft; a A conduit extending from the outside of the housing into the circulation space and adapted to introduce a liquid into the circulation space; and An eluent dispersing unit is suitable for dispersing an eluent in the eluent layer. The double-layer absorptive supergravity device as claimed in claim 1, wherein the bottom baffle further includes a bottom liquid-blocking annular wall extending upward from the bottom upper surface and surrounding the bottom passage hole. The double-layer absorbing supergravity device as claimed in claim 1, wherein the top baffle extends in the radial direction of the rotation axis. The double-layer absorptive hypergravity device as claimed in claim 1, wherein the rotating bed unit includes a base plate and a filling layer extending upward from the base plate, and the filling layer and the base plate together define the circulation space, And the rotating shaft is connected to the base plate of the rotating bed unit and extends from the base plate to the outside of the shell. The double-layer absorption type hypergravity device as claimed in claim 1, wherein the bottom surface of the bottom baffle is connected to the top of the rotating bed unit through a dynamic seal. The double-layer absorptive hypergravity device as claimed in claim 2, wherein the conduit extends from outside the shell through the bottom liquid-blocking annular wall and the bottom through hole into the circulation space. A double-layer absorption type hypergravity device includes: a shell, including an air inlet, a gas outlet, an upper liquid outlet and a lower liquid outlet, the air inlet is suitable for introducing a gas into the shell, the A lower liquid outlet is provided at the bottom of the housing; a rotating bed unit is provided in the housing and is spaced apart from the housing, and defines an internal circulation space; A rotating shaft is connected to the rotating bed unit and extends from the rotating bed unit to the outside of the shell; a elution layer is provided in the shell and spaced above the rotating bed unit, and cooperates with the rotating bed unit to An airflow space is defined therebetween, and the air outlet is disposed on the top of the housing, suitable for leading out the gas passing through the elution layer; a baffle unit is disposed in the airflow space, and the baffle unit includes: a bottom baffle , tightly connected to the housing, the bottom baffle includes a bottom upper surface and a bottom surface opposite to the bottom upper surface, and the bottom baffle forms a bottom through hole penetrating the bottom upper surface and the bottom surface for the The circulation space is connected to the elution layer, the upper liquid outlet is adjacent to the bottom upper surface of the bottom baffle, and at least one middle baffle is spaced above the bottom baffle and spaced from the shell, and is spaced between the bottom baffle and the outer shell. The axial direction of the rotating shaft completely blocks the bottom through hole. Each middle baffle includes a middle upper surface and a middle lower surface opposite to the middle upper surface. Each middle baffle forms a hole that runs through the middle upper surface and the middle surface. The middle through hole on the lower surface, and a top baffle, are spaced above the at least one middle baffle and spaced apart from the shell, and completely block the middle through hole in the axial direction of the rotation shaft; a conduit, from the The outer shell extends into the circulation space and is suitable for introducing a liquid into the circulation space; and an eluent dispersing unit is suitable for dispersing an eluent in the eluent layer. The double-layer absorptive supergravity device as claimed in claim 7, wherein each middle baffle further includes a middle liquid-blocking annular wall extending upward from the middle upper surface and surrounding the middle through hole. The double-layer absorbing supergravity device as claimed in claim 7, wherein each middle baffle extends in the radial direction of the rotation axis.

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