KR20180129219A - An Exhaust gas treatment Apparatus and Vessel having the same - Google Patents

Abstract

An exhaust gas treating apparatus according to the present invention includes a first chamber for receiving exhaust gas and mixing at least a part of the exhaust gas with an absorbing liquid which absorbs contaminants; And a second chamber that receives the exhaust gas from the first chamber and re-mixes the exhaust gas with the absorption liquid, wherein the first chamber and the second chamber are arranged horizontally with respect to each other.

Description

TECHNICAL FIELD The present invention relates to an exhaust gas treatment apparatus and a vessel including the same,

The present invention relates to an exhaust gas treating apparatus and a ship including the same.

2. Description of the Related Art Conventionally, for example, in ships such as tankers and transport ships, a large amount of electric power is consumed by various auxiliary machines, cargo handling devices, lighting, air conditioning and other devices. In order to supply electric power to these electric systems, And a generator for generating electric power by driving of the diesel generator.

Diesel engines are known to be among the most energy efficient of internal combustion engines, and the amount of carbon dioxide contained in the exhaust gas per unit output is small. In addition, since it is possible to use a low quality fuel such as heavy oil, for example, it is advantageous in terms of economy.

In addition to carbon dioxide, exhaust gas of a diesel engine contains a large amount of particulate matter (PM) mainly composed of carbon in addition to nitrogen oxides (NOx) and sulfur oxides (SOx). These are produced from heavy oil, which is mainly fuel, and are harmful substances that interfere with environmental conservation.

An exhaust gas treatment system has been developed as an apparatus for removing these harmful substances and then discharged to the outside of the ship. A selective catalytic reduction method (SCR method) using urea as a reducing agent was used in a manner of removing NOx, which is usually nitrogen oxide, An electrostatic precipitator was used to remove the material, and a removal method using a seawater scrubber or a wet gas scrubber was used to remove SOx, the sulfur oxide.

Such an exhaust gas treatment system has a problem that it is difficult to secure a space to be disposed in the ship because the shape of the exhaust gas treatment system is normally long and there is a disadvantage that the space for transportation of the vessel is reduced.

In order to solve these problems, various researches and developments are currently being made.

It is an object of the present invention to provide an exhaust gas treatment device having an optimum operation mode and being easily installed inside a hull or a building, and a ship including the same.

An exhaust gas treating apparatus according to the present invention includes a first chamber for receiving exhaust gas and mixing at least a part of the exhaust gas with an absorbing liquid which absorbs contaminants; And a second chamber that receives the exhaust gas from the first chamber and re-mixes the exhaust gas with the absorption liquid, wherein the first chamber and the second chamber are arranged horizontally with respect to each other.

Specifically, the first chamber is configured such that the flow of the exhaust gas and the flow of the absorbing liquid are in the same direction (Cocurrent), and the second chamber is arranged in a direction in which the flow of the exhaust gas and the flow of the absorbing liquid are opposite to each other (Countercurrent).

Specifically, the first chamber may include: a first chamber first surface through which the exhaust gas flows upward; Wherein the first chamber is formed to face the first chamber and the upper side converts the direction of the exhaust gas flowing from the first chamber first face into the same direction as the flow direction of the absorbing liquid, A first chamber second surface for flowing out into the second chamber; A first chamber third surface formed to abut the first chamber first surface and the first chamber second surface and into which the absorption liquid flows; And a second chamber that is formed to face the third surface of the first chamber and re-converts the direction of the exhaust gas converted by the first chamber second surface into the lower side of the first chamber second surface, And a fourth chamber fourth surface through which the fluid flows.

Specifically, the second chamber may include a second chamber first surface through which the exhaust gas flows downward; Wherein the first chamber faces the first chamber and the second chamber faces the first chamber and the lower side converts the direction of the exhaust gas flowing from the first chamber first face into a direction opposite to the flow direction of the absorbing liquid, A second chamber second side for providing a second chamber; Wherein the second chamber has a first chamber and a second chamber, the second chamber having a first chamber and a second chamber, the second chamber having a first chamber and a second chamber, And a second chamber third surface through which the absorption liquid is introduced; And a second chamber fourth surface formed to face the third chamber third surface and through which the absorption liquid flows.

Specifically, the first chamber first surface and the second chamber first surface are formed parallel to each other, and the first chamber third surface and the second chamber third surface may be formed on the same plane have.

Specifically, the first chamber and the second chamber may be modularly fabricated and assembled together.

And a plurality of chambers for receiving the exhaust gas from the second chamber and for re-mixing the exhaust gas with the absorption liquid, wherein at least one of the plurality of chambers comprises: And the absorption liquid flows in the same direction (Cocurrent), and the other one of the plurality of chambers has a countercurrent direction in which the flow of the exhaust gas and the flow of the absorption liquid are opposite to each other And may be a counter current chamber configured to be configured as described above.

Specifically, the co-current chamber and the countercurrent chamber may be formed horizontally and alternately formed in the second chamber.

Specifically, the exhaust gas treating apparatus may be a scrubber for removing sulfur oxides (SOx).

Specifically, the first chamber may further include a first chamber packing part for increasing a surface area of the exhaust gas or the absorption liquid to improve a mixing ratio of the exhaust gas and the absorption liquid, And a second chamber packing unit for increasing a surface area of the exhaust gas or the absorption liquid to improve a mixing ratio of the absorption liquid.

Specifically, it may be a vessel characterized by including the above-mentioned exhaust gas treating apparatus.

Since the exhaust gas treatment device and the ship including the same according to the present invention are installed horizontally, it is very easy to install in the inside of a hull or a building, and in particular, it is easy to secure a usable space inside the ship, The present invention has the effect of substantially enabling large-scale transportation.

In addition, since the exhaust gas treating apparatus and the ship including the same according to the present invention can be operated differently in the removal rates of sulfur oxides (SOx) from each module, the optimum operating mode can be designed according to the removal rate It is effective.

1 is a conceptual view of a ship equipped with a conventional exhaust gas treatment system.
2 is a conceptual diagram of a scrubber in a conventional exhaust gas treatment system.
3 is a conceptual diagram of an exhaust gas treating apparatus according to an embodiment of the present invention.
4 is an operational view of an exhaust gas treating apparatus according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The objects, particular advantages and novel features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. It should be noted that, in the present specification, the reference numerals are added to the constituent elements of the drawings, and the same constituent elements are assigned the same number as much as possible even if they are displayed on different drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

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

Fig. 1 is a conceptual view of a ship equipped with a conventional exhaust gas treatment system, and Fig. 2 is a conceptual view of a scrubber of a conventional exhaust gas treatment system.

1 and 2, a ship 1 equipped with a conventional exhaust gas treatment system is provided with a nitrogen oxide treatment device 10, a particulate matter treatment device 20, an economizer 30 ), And a sulfur oxide treatment apparatus (40).

A description will now be made in detail of a ship 1 provided with a conventional exhaust gas treatment system based on Fig.

The ship 1 is provided with a main diesel engine for rotationally driving the propeller P or a marine diesel engine E such as an auxiliary diesel engine for supplying power within the ship 1 Respectively.

From the marine diesel engine E, exhaust gas resulting from combustion of the fuel is discharged. The exhaust gas contains nitrogen oxide (NOx), sulfur oxide (SOx), and particulate matter (PM) containing carbon as a main component.

The exhaust gas discharged from the marine diesel engine E is first supplied to the NOx removal device 10 (the denitration device) through the first pipe P1. The nitrogen oxide processing apparatus 10 supplies ammonia as a reducing agent to the titanium-vanadium-based denitration catalyst provided in the passage of the exhaust gas flowing into the first pipe P1. The selective catalytic reduction of ammonia (SCR), which decomposes into nitrogen and water by reacting with nitrogen oxides (NOx) contained in the exhaust gas, is applied here. The ammonia to be supplied to the catalyst is generated by injecting a liquid reducing agent such as urea water mixed with urea water stored in the urea tank 11 from the injection nozzle (not shown) and decomposing the urea.

The exhaust gas from which the nitrogen oxide (NOx) output from the nitrogen oxide processing apparatus 10 is removed is supplied to the particulate matter processing apparatus 20 through the second pipe P2.

The particulate matter processing apparatus 20 removes particulate matter (PM) containing carbon as a main component contained in the exhaust gas by electrical control through the control unit 21 as an electric dust collector.

The particulate matter processing apparatus 20 is a particulate matter processing apparatus in which particulate matter (PM) having a particle diameter of 100um or less, particularly particulate matter (PM) having particle diameter of 10um or less, It is a device suitable for collecting SPM (Suspended Particulate Matter).

The exhaust gas from which the particulate matter PM discharged from the particulate matter processing apparatus 20 has been removed is supplied to an economizer 30 through a third pipe P3 and exchanges heat, Is recovered and then supplied to the conventional sulfur oxide treatment apparatus 40 through the fourth pipe P4.

The conventional sulfur oxide treatment apparatus 40 is a sea water type scrubber and may be a vertically long cylindrical vessel as shown in Fig.

The conventional sulfur oxide treatment apparatus 40 may be provided with a plurality of injection nozzles (not shown) for injecting seawater into the exhaust gas in the upper side of the vessel, and the exhaust gas Sulfur oxide (SOx) is removed from the inside.

The seawater containing the sulfur oxide (SOx) is stored in the lower part of the vessel and the seawater containing the stored sulfur oxide (SOx) is supplied to the seawater treatment apparatus (S5) through the seawater discharge pipe (S4) SOx) is removed and drained to sea.

The seawater can remove organic matter and other substances from the filter S2 through the seawater inlet S1 and be supplied to the seawater treatment apparatus S5 through the seawater inflow pipe S3 to adjust the amount of seawater to be fed into the vessel have.

Finally, the exhaust gas from which the sulfur oxide (SOx) discharged from the conventional sulfur oxide treatment apparatus 40 is removed is exhausted to the outside through the fifth pipe P5 formed in the funnel (T).

In such an exhaust gas treatment system, the conventional sulfur oxide treatment apparatus 40 is a vertically long tubular vessel as shown in detail in Fig.

Accordingly, the exhaust gas treatment system has a problem that it is difficult to secure a space to be disposed in the vessel 1, and accordingly, a space for transporting the vessel 1 is reduced.

Accordingly, the Applicant has developed an exhaust gas treating apparatus 50 of the present invention to solve the above-mentioned disadvantages and problems, and will be described in detail below with reference to FIG. 3 and FIG.

FIG. 3 is a conceptual diagram of an exhaust gas processing apparatus according to an embodiment of the present invention, and FIG. 4 is an operation diagram of an exhaust gas processing apparatus according to an embodiment of the present invention.

3 and 4, the exhaust gas processing apparatus 50 according to the embodiment of the present invention includes a first chamber 51, a second chamber 52, a third chamber 53, (54). Here, the exhaust gas treatment device 50 may be, for example, a scrubber for removing sulfur oxides (SOx).

The first chamber 51 receives the exhaust gas and mixes at least a part of the exhaust gas with an absorbing liquid which absorbs the contaminants and is disposed horizontally with the second chamber 52.

The first chamber 51 can be configured such that the flow of the exhaust gas and the flow of the absorption liquid are in the same direction (Cocurrent).

Specifically, the first chamber 51 includes a first chamber first surface 511, a first chamber second surface 512, a first chamber third surface 513, and a first chamber fourth surface 514, And two faces (front face and rear face) other than the first chamber first to fourth faces 511 to 514 described above may be further added to form a hexahedron.

The first chamber first surface 511 is formed of an upper portion 5111 and a lower portion 5112 and may be formed such that exhaust gas flows into the upper portion 5111. [

In addition, the first chamber first surface 511 may be formed parallel to the second chamber first surface 521.

The first chamber second surface 512 is formed by an upper portion 5121 and a lower portion 5122 and is formed to face the first chamber first surface 511, The direction of the exhaust gas flowing from the first surface 511 can be changed to the same direction as the flowing direction of the absorption liquid and the lower portion 5122 can flow the exhaust gas into the second chamber 52. [

The first chamber third surface 513 may be formed to abut the first chamber first surface 511 and the first chamber second surface 512 and may include an inlet 5131 through which the absorption liquid is introduced.

The first chamber third surface 513 may allow the absorption liquid to flow into the first chamber 51 through the inlet port 5131 and formed on the same plane as the second chamber third surface 523, .

The first chamber fourth surface 514 is configured to face the first chamber third surface 513 and directs the direction of the exhaust gas converted by the first chamber second surface 512 to a first chamber And may include an outlet port 5141 through which the absorbed liquid flows out so as to be reintroduced to the lower side of the two surfaces 512.

The first chamber fourth surface 514 may allow the absorption liquid mixed with the sulfur oxides (SOx) of the exhaust gas to flow to the outside through the outlet 5141 described above in the first chamber 51.

As described above, the first chamber 51 is configured such that the first to fourth surfaces 511 to 514 of the first chamber are formed and horizontally formed with the second chamber 52, The sulfur oxide treatment apparatus 50 can be installed horizontally, thereby facilitating the design for placement in the ship and facilitating the securing of an in-board idle space.

The first chamber 51 may further include a first chamber packing portion 515 for widening the surface area of the exhaust gas or the absorption liquid to improve the mixing ratio of the exhaust gas and the absorption liquid.

The first chamber 51 can be modularly fabricated and assembled with the second chamber 52, and supply control of each absorption liquid can be separately performed.

For example, in the first chamber 51, the absorption liquid can be controlled to be supplied in a larger amount than the second chamber 52, and the supply of the absorption liquid to each chamber can be appropriately controlled according to the flow amount of the exhaust gas.

The second chamber 52 receives the exhaust gas from the first chamber 51 and re-mixes the exhaust gas with the absorption liquid. The second chamber 52 is disposed horizontally with the first chamber 51 and the third chamber 53.

The second chamber 52 may be configured so that the flow of the exhaust gas and the flow of the absorption liquid are countercurrent.

Specifically, the second chamber 52 includes a second chamber first surface 521, a second chamber second surface 522, a second chamber third surface 523, and a second chamber fourth surface 524, And two faces (front face and rear face) may be additionally formed in addition to the first to fourth faces 521 to 524 of the second chamber to form a hexahedron.

The second chamber first surface 521 may be formed of an upper portion 5211 and a lower portion 5212 and may be formed such that the exhaust gas supplied from the first chamber 51 is introduced into the lower portion 5212 .

In addition, the second chamber first surface 521 may be formed parallel to the first chamber first surface 511.

The second chamber second surface 522 is formed by an upper portion 5221 and a lower portion 5222 and is formed to face the second chamber first surface 521 so that the upper portion 5221 is provided with the exhaust gas And the lower portion 5222 can convert the direction of the exhaust gas flowing from the first chamber 521 into the countercurrent direction of the absorbing liquid.

The second chamber third side 523 is formed to abut the second chamber first side 521 and the second chamber second side 522 and the second chamber second side 522 is formed by the second chamber second side 522, And an inlet port 5231 through which the absorbed liquid is introduced so as to re-convert the direction of the exhaust gas flowing into the upper side portion 5221 of the second chamber second surface 522.

The second chamber third surface 523 may allow the absorption liquid to flow into the second chamber 52 through the inlet port 5231 and may be formed on the same plane as the first chamber third surface 513 .

The second chamber fourth surface 524 may be formed to face the second chamber third surface 523 and may include an outlet port 5241 through which the absorbing liquid flows out.

Here, the second chamber fourth surface 524 may allow the absorption liquid mixed with the sulfur oxide (SOx) of the exhaust gas to flow to the outside through the outlet 5241 described above in the second chamber 52.

As described above, the second chamber 52 can be formed horizontally with the first and third chambers 51-53 by forming the first to fourth surfaces 521 to 524 of the second chamber So that the sulfur oxide treatment apparatus 50 can be installed horizontally, thereby facilitating the design for placement on the ship and facilitating the securing of an in-ship idle space.

The second chamber 52 may further include a second chamber packing part 525 for widening the surface area of the exhaust gas or the absorption liquid to improve the mixing ratio of the exhaust gas and the absorption liquid.

The second chamber 52 may be modularly fabricated and assembled with the first chamber 51 and the third chamber 53, and the supply control of each absorption liquid may be separately performed.

For example, in the second chamber 52, the absorption liquid may be supplied in a larger amount than the first chamber 51 and may be controlled to be supplied in a smaller amount than the third chamber 53. In this case, Lt; / RTI >

The third chamber 53 may be formed in the same configuration as the first chamber 51. That is, the third chamber 53 may be a co-current chamber configured such that the flow of the exhaust gas and the flow of the absorption liquid are in the same direction (Cocurrent).

In addition, the third chamber 53 may be formed in a modular fashion so that the second chamber 52 is coupled to the left side and the fourth chamber 54 is coupled to the right side. The mixing ratio of the exhaust gas and the absorbing solution And a third chamber packing part 535 for widening the surface area of the exhaust gas or the absorbing solution to improve the quality of the exhaust gas.

The fourth chamber 54 may be formed in the same configuration as the second chamber 52. That is, the fourth chamber 54 may be a countercurrent chamber configured to be countercurrent with the flow of the exhaust gas and the flow of the absorption liquid.

The fourth chamber 54 may also be modularly constructed so that the third chamber 53 may be coupled to the left side of the fourth chamber 54. In order to improve the mixing ratio of the exhaust gas and the absorbing liquid, And may further include a chamber packing portion 545.

On the right side of the fourth chamber 54, a chamber may be alternately formed in the order of a co-current chamber-counter current chamber, and the chambers may be arranged horizontally with respect to each other.

The driving of the exhaust gas treating apparatus 50 according to the present invention will be described in detail with reference to FIG.

4, an exhaust gas processing apparatus 50 according to the present invention is configured such that exhaust gas is introduced into an upper portion 5111 of a first chamber first surface 511, And is mixed with each other while flowing in the same direction as the absorption liquid flowing from the first chamber third surface 513 by falling down by colliding with the chamber second surface 512.

The absorption liquid mixed with the exhaust gas flows out to the outside through the outlet 5141 of the fourth chamber 514 and the exhaust gas not mixed with the absorption liquid collides with the first chamber fourth surface 514 and moves to the right And flows into the second chamber 52 through the lower portion 5122 of the first chamber second surface 512.

The exhaust gas flowing into the second chamber 52 from the first chamber 51 through the upper side portion 5211 of the first chamber 521 of the second chamber 52 rises against the second chamber second surface 522 And are mixed with each other while flowing in a direction opposite to the absorption liquid flowing from the second chamber third surface 523.

The absorption liquid mixed with the exhaust gas flows out to the outside through the outlet port 5241 of the second chamber fourth surface 524 and the exhaust gas not mixed with the absorption liquid collides with the second chamber fourth surface 524 and flows to the right And then flows into the third chamber 53 through the upper portion 5221 of the second chamber second surface 522.

Since the flow of the third chamber 53 is the same as the flow of the first chamber 51 and the flow of the fourth chamber 54 is the same as the flow of the second chamber 52, The flow in the two-chamber 52 is described.

Although the first to fourth chambers 51 to 54 are arranged in the order of the co-current chamber-counter current chamber-co-current chamber-counter current chamber as described above, the present invention is not limited thereto. And the chamber-counter current chambers in that order.

Since the exhaust gas treating apparatus 50 and the ship 1 including the same according to the present invention are installed in a horizontal plane, it is very easy to install the apparatus in a hull or a building. Especially, So that it is possible to substantially enable the mass transport of the cargo as the main purpose of the ship 1.

In addition, since the exhaust gas treating apparatus 50 according to the present invention and the ship 1 including the same are modularized, the removal rates of sulfur oxides (SOx) can be differently operated in the respective modules, There is an effect that the mode can be designed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the same is by way of illustration and example only and is not to be construed as limiting the present invention. It is obvious that the modification and the modification are possible.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1: Ship 10: Nitrogen oxide treatment device
11: urea tank 20: particulate matter processing device
21: control unit 30: economizer
40: Conventional sulfur oxide treatment apparatus 50: The sulfur oxide treatment apparatus of the present invention
51: first chamber 511: first chamber first side
5111: upper side portion 5112: lower side portion
512: first chamber second side 5121: upper side
5122: lower side 513: first chamber third side
5131: absorption liquid inlet 514: first chamber fourth surface
5141: Suction liquid outlet 515: First chamber packing part
52: second chamber 521: second chamber first side
5211: upper side portion 5212: lower side portion
522: second chamber second surface 5221: upper side portion
5222: lower side 523: second chamber third side
5231: absorption liquid inlet 524: fourth chamber of the second chamber
5241: absorption liquid outlet 525: second chamber packing part
53: third chamber 5311: upper side
5322: lower side 535: third chamber packing part
54: Fourth chamber 5412:
5421: upper side 545: fourth chamber packing part
P: Propeller E: Marine diesel engine
P1: first piping P2: second piping
P3: Third piping P4: Fourth piping
P5: Fifth pipe S1: Seawater inlet
S2: Filter S3: Seawater inflow pipe
S4: Seawater outflow pipe S5: Seawater treatment device

Claims (11)

A first chamber which is supplied with exhaust gas and mixes at least a part of the exhaust gas with an absorbing liquid which absorbs contaminants; And
And a second chamber that receives the exhaust gas from the first chamber and re-mixes the exhaust gas with the absorption liquid,
The first chamber and the second chamber may include a first chamber,
And are arranged horizontally to each other. The method according to claim 1,
Wherein the first chamber is configured such that the flow of the exhaust gas and the flow of the absorption liquid are in the same direction (Cocurrent)
Wherein the second chamber is configured to be countercurrent with the flow of the exhaust gas and the flow of the absorption liquid. 3. The apparatus of claim 2, wherein the first chamber comprises:
A first chamber first surface through which the exhaust gas flows upward;
Wherein the first chamber is formed to face the first chamber and the upper side converts the direction of the exhaust gas flowing from the first chamber first face into the same direction as the flow direction of the absorbing liquid, A first chamber second surface for flowing out into the second chamber;
A first chamber third surface formed to abut the first chamber first surface and the first chamber second surface and into which the absorption liquid flows; And
Transforms the direction of the exhaust gas, which is direction-converted by the first chamber second surface, into the lower side of the first chamber second surface, which is formed to face the first chamber third surface, And a fourth chamber fourth surface through which the exhaust gas flows. The apparatus of claim 3, wherein the second chamber comprises:
A second chamber first surface through which the exhaust gas flows downward;
Wherein the first chamber faces the first chamber and the second chamber faces the first chamber and the lower side converts the direction of the exhaust gas flowing from the first chamber first face into a direction opposite to the flow direction of the absorbing liquid, A second chamber second side for providing a second chamber;
Wherein the second chamber has a first chamber and a second chamber, the second chamber having a first chamber and a second chamber, the second chamber having a first chamber and a second chamber, And a second chamber third surface through which the absorption liquid is introduced; And
And a second chamber fourth surface facing the third surface of the second chamber and through which the absorption liquid flows. 5. The method of claim 4,
Wherein the first chamber first surface and the second chamber first surface are formed parallel to each other,
Wherein the first chamber third surface and the second chamber third surface are formed on the same plane. The method according to claim 1,
Wherein the first chamber and the second chamber are modularly fabricated and assembled together. The method according to claim 1,
Further comprising a plurality of chambers for receiving the exhaust gas from the second chamber and for re-mixing the exhaust gas with the absorption liquid,
Wherein at least one of the plurality of chambers comprises:
A co-current chamber in which the flow of the exhaust gas and the flow of the absorption liquid are in the same direction (Cocurrent)
Wherein the other of the plurality of chambers comprises:
Wherein the countercurrent chamber is configured to be countercurrent with a flow of the exhaust gas and a flow of the absorption liquid. 8. The apparatus of claim 7, wherein the co-current chamber and the counter-
Wherein the second chamber is disposed horizontally and alternately formed in the second chamber. The exhaust gas treatment system according to claim 1,
Wherein the exhaust gas treating device is a scrubber for removing sulfur oxides (SOx). The method according to claim 1,
The first chamber may further include a first chamber packing part for increasing a surface area of the exhaust gas or the absorption liquid to improve a mixing ratio of the exhaust gas and the absorption liquid,
Wherein the second chamber further comprises a second chamber packing part for increasing a surface area of the exhaust gas or the absorption liquid to improve a mixing ratio of the exhaust gas and the absorption liquid. A ship comprising the exhaust gas treating apparatus according to any one of claims 1 to 10.

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