JP2015052085A - Gasification furnace utilizing transportation container and assembly method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gasification furnace utilizing a transportation container and an assembly method thereof that allow for reduction in design cost and development cost of the gasification furnace, transportation cost to an installation place of the gasification furnace, and assembly cost at assembly site thereof.SOLUTION: A unit gasification furnace 12 comprises a gasification furnace body 29 that reacts carbonaceous solid fuel with a gasification agent in the furnace to produce combustible gas, and accompanying equipment 30 accompanying the gasification furnace body 29. And, in the unit gasification furnace 12, at least a portion of the gasification furnace body 29 and the accompanying equipment 30 is formed into a unit. The unit gasification furnace 12 is divided into a plurality of modules 13,14,15,16,17,18,19,20, and each of module 13,14,15,16,17,18,19,20 is housed in a transportation container 21.

Description

  The present invention relates to a gasification furnace that generates a combustible gas fuel by reacting carbonaceous solid fuel with a gasifying agent such as oxygen or air in the furnace, and in particular, a gasification furnace divided into a plurality of modules. In addition, the present invention relates to a gasification furnace in which each module conforms to the standard of a shipping container and an assembling method thereof.

  As a gasification furnace applied to a gasification combined power generation gasification furnace or a chemical gasification furnace using a carbonaceous solid fuel such as coal, for example, the one disclosed in Patent Document 1 is known. ing.

JP 2010-1000069 A

Here, in the conventional gasification furnace, it is necessary to design the gasification furnace every time according to the customer's needs (for example, the heat output required by the customer), and there is a problem that the design cost and the development cost increase. there were.
Moreover, in the conventional gasifier, from the viewpoint of reducing the number of gasifiers as much as possible (design concept), the amount of combustible gas to be generated in one gasifier increases, and the gasifier itself As a result, there is a problem that the transportation cost to the site where the gasification furnace is installed and the assembling cost when assembling the gasification furnace are increased.

  The present invention has been made in order to solve the above-mentioned problems. When designing and assembling a gasification furnace, the design cost and development cost of the gasification furnace, the transportation cost to the site where the gasification furnace is installed, and the gasification furnace are constructed. An object of the present invention is to provide a gasification furnace using a shipping container and an assembling method thereof, which can reduce the assembly cost of the apparatus.

The present invention employs the following means in order to solve the above problems.
A unit gasification furnace using a transportation container according to the present invention includes a gasification furnace main body that generates a combustible gas by reacting a carbonaceous solid fuel together with a gasifying agent in the furnace, and the gasification furnace main body. A unit gasification furnace comprising at least a part of the gasification furnace main body and the accompanying equipment, wherein the unit gasification furnace is divided into a plurality of modules, and The module is housed in a shipping container.

  According to the unit gasification furnace using the transportation container according to the present invention, since each module is accommodated in the transportation container, the transportation cost to the site where the gasification furnace is installed, and the gasification furnace at the site Assembling costs when assembling can be reduced.

  In the unit gasification furnace using the transport container, the gasification furnace main body is divided into at least two continuous modules of the plurality of modules, and the divided gasification furnace main bodies each have It is more preferable that it is configured so as to be coupled via the body flange.

  According to the unit gasification furnace using such a transport container, an expensive annulus structure (double structure) is not required for maintenance, and an inexpensive and simple (single) structure can be adopted. .

  The gasification furnace using the transportation container according to the present invention includes at least one unit gasification furnace described above.

According to the gasification furnace using the transportation container according to the present invention, at least one unit gasification furnace (one unit) having a predetermined same heat output (for example, 125 MWth (megawatt thermal)) is provided, For example, customer needs (for example, 1000 MWth, which is the heat output required by the customer) will be exhibited in eight unit gasifiers.
That is, the customer's needs are satisfied only by increasing / decreasing the number of unit gasifiers according to the customer's needs.
Thereby, the design cost and development cost of a gasifier can be reduced.

  In the gasification furnace using the transport container, the unit gasification furnace includes a work space and a scaffold for maintaining the gasification furnace main body and the accompanying equipment attached to the gasification furnace main body, and More preferably, a maintenance module housed in the shipping container is arranged.

  According to the gasification furnace using such a transport container, maintenance of equipment that has reached the maintenance time or needs maintenance can be easily and quickly performed.

  In the gasification furnace using the transport container, adjacent to the unit gasification furnace, a solid carbonaceous fuel transport pipe for transporting solid carbonaceous fuel to the gasification furnace body, and generated in the gasification furnace body It is more preferable that a generated gas pipe for guiding the combustible gas to the outside is provided and a piping module accommodated in the transport container is arranged.

  According to such a gasification furnace using a transportation container, the gasification furnace can be constructed (installed) easily and quickly by simply assembling the transportation container containing equipment, piping, etc. )can do.

  A gasification furnace assembling method according to the present invention includes a gasification furnace main body that generates a combustible gas by reacting a carbonaceous solid fuel with a gasifying agent in a furnace, and an accompanying facility attached to the gasification furnace main body. A gasification furnace comprising a unit gasification furnace in which at least a part of the gasification furnace main body and the accompanying equipment is unitized, and divided into a plurality of modules, and each module is accommodated in a transport container A method for assembling a furnace, wherein the modules are stacked from the vertically lower side to the upper side.

  According to the gasification furnace assembly method according to the present invention, the unit gasification furnace can be easily assembled by simply assembling the transport container in which equipment, piping, and the like are housed in the vertical direction from the bottom to the top. And it can be constructed (installed) quickly.

  According to the gasification furnace using the transportation container according to the present invention, the design cost and development cost of the gasification furnace, the transportation cost to the site where the gasification furnace is installed, and the assembly of the gasification furnace at the site There is an effect that the assembly cost can be reduced.

It is the schematic block diagram which looked at the part (one unit coal gasification furnace) of the coal gasification furnace using the container for transport based on 1st Embodiment of this invention from the front side (inner side). It is the side view which looked at the whole coal gasification furnace using a container for transportation concerning a 1st embodiment of the present invention from the upper part. It is the side view which looked at the whole coal gasification furnace using the container for transport based on 2nd Embodiment of this invention from upper direction.

[First Embodiment]
Hereinafter, a coal gasification furnace using coal, which is representative of a carbonaceous solid fuel using a transportation container, according to a first embodiment of the present invention will be described with reference to FIGS. 1 and 2.
FIG. 1 is a schematic configuration diagram of a part (one unit coal gasification furnace) of a coal gasification furnace using a transport container according to this embodiment as seen from the front side (inside), and FIG. It is the side view which looked at the whole coal gasification furnace using the container for transportation from the upper part.

As shown in FIG. 1 or FIG. 2, according to the present embodiment, a coal gasification furnace (hereinafter referred to as “coal gasification furnace”) 11 using a transportation container includes a coal gasification furnace main body 29, And an accompanying facility 30 associated with the coal gasifier main body 29, and generates a plurality of unit coal gasifiers 12 (this embodiment) that generate predetermined heat output and are unitized (subdivided). 8) modules 13, 14, 15, 16, 17, 18, 19, 20, and each module 13, 14, 15, 16, 17, 18, 19, 20 is placed in the shipping container 21. It is a coal gasifier that is housed.
In this embodiment, eight unit coal gasifiers 12 having the same predetermined heat output (for example, 125 MWth (megawatt thermal)) are provided (8 units), and these eight unit coal gasifiers are provided. 12, the customer's needs (for example, 1000 MWth, which is the heat output required by the customer) are exhibited.
In the present embodiment, the coal gasifier main body 29 includes modules 17, 18, and 19, and the accompanying equipment 30 includes modules 13, 14, 15, 16, and 20.

  The (first) module 13 is a porous filter (PF) module and includes a porous filter 31 that does not include a cyclone, and the (second) module 14 is a porous filter lower hopper module and a porous filter lower hopper. 32, the (third) module 15 is a bin module, and includes a pulverized coal / char mixing bin 33, and the (fourth) module 16 is a supply hopper module, which is a pulverized coal / char mixed supply hopper. 34, the (fifth) module 17 is an upper syngas cooler (SGC) module, and includes an upper half portion 36 of the syngas cooler 35 that is the upper part of the coal gasification furnace main body 29. 6) Module 18 is a reductor / lower syngas cooler module, which is a coal gasifier body 2 (Seventh) module 19 is a combustor module, and includes a combustor 39 which is a lower part of the coal gasification furnace main body 29. The eighth module 20 is a slag processing module and includes a slag lock hopper 40 and a slag receiver tank 41.

  The transport container 21 that accommodates the modules 13, 14, 15, 16, 17, 18, 19, and 20 is a (conventional) transport container having a rectangular parallelepiped shape, and the length L of the outer dimension is (standard). Of 40ft transport container and (standard) 40ft Hi-Cube transport container of 12,192mm, with outer dimension width W of (standard) 20ft transport container, (standard) 40ft transport container And 2,438 mm, which is the same as the (standard) 40ft Hi-Cube shipping container, and the height H of the outer dimension is the same as the height of the (standard) 40ft shipping container, 2,591 mm or (standard) 40ft. The height is 2,896 mm, which is the same as the height of the Hi-Cube shipping container. The shipping container is a shipping container of a predetermined standard specification. There are two types of containers for transportation, one with the whole or part of the walls on the ceiling and both sides, and the other with no walls. For example, a transport container that houses a gasification furnace or the like has a structure with a support frame that does not have a wall surface. Depending on the characteristics of the equipment to be accommodated, it is possible to use a box-type transport container having a wall surface according to various purposes such as soundproofing, heat insulation, dripproofing and the like.

As shown in FIG. 1 or FIG. 2, when the unit coal gasifier 12 (coal gasifier 11) is assembled on site, each module 13, 14, 15, 16, 17, 18, 19, 20 is The length L of the transport container 21 is stacked in parallel with the vertical direction (the height direction of the coal gasification furnace 11).
Further, when the unit coal gasifier 12 (coal gasifier 11) is transported to the site, the transport container 21 in which the modules 13, 14, 15, 16, 17, 18, 19, 20 are accommodated is The vehicle is mounted on the ship or trailer so that the length L is parallel to the ship's stern line or the longitudinal direction of the trailer.

  Here, reference numeral 51 in FIG. 1 is the outlet of the generated gas, reference numerals 52 and 53 are open / close valves, reference numeral 54 is the inlet of pulverized coal, reference numerals 55 and 56 are open / close valves, reference numeral 57 is a steam drum, and reference numeral 58 is Steam outlet, reference numeral 59 is an inlet pipe for water supplied to the syngas cooler 35, and reference numeral 60 is an outlet pipe for water supply that guides heated (heated) water to the outside when passing through the syngas cooler 35, reference numeral 61 is a cooling water outlet pipe for guiding cooling water that has cooled a water cooling wall (not shown) to the outside, 62 is a cooling water inlet pipe supplied to the water cooling wall (not shown), 63 is a reductor burner, 64 is a combustor burner, 65 is a start burner, 66 and 67 are open / close valves, 68 is an inlet of water supplied to the slag lock hopper 40, and 69 is a slag receiver tank 41. Feedwater inlet supplied, reference numeral 70 is a feed water outlet leading to slag in the water supply and slag receiver tank 41 is supplied to the slag receiver tank 41 to the outside.

  As shown in FIG. 2, in the present embodiment, a plurality (six in the present embodiment) of (ninth) modules 22 are provided on the back side (outside) of each unit coal gasification furnace 12. At least one (two in the present embodiment) (tenth) module 23 is arranged so as to face modules 13, 14, 15, 16, 17, 18, 19, 20 (similarly). Has been.

The module 22 includes a porous filter 31, a porous filter lower hopper 32, a pulverized coal / char mixed bin 33, a pulverized coal / char mixed supply hopper 34, a combustor 39, a container 22 for transportation disposed opposite to the front side of the module 22; It is a maintenance module for maintaining the slag lock hopper 40 and the slag receiver tank 41. Inside the transport container 21, a porous filter 31, a porous filter lower hopper 32, a pulverized coal / char mixing bin 33, and a pulverized coal / char mixed A work space and a scaffold for maintaining the supply hopper 34, the combustor 39, the slag lock hopper 40, and the slag receiver tank 41 are provided and accommodated in the transport container 21.
The module 23 supplies the high-pressure removal fluid to a predetermined part in the syngas cooler 35 in the transport container 21 disposed to face the front side of the module 23, and also maintains the syngas cooler 35. And a work space and a scaffold for maintaining the syngas cooler 35 inside the transport container 21 and housed in the transport container 21. It is a thing.

Further, as shown in FIG. 2, in the present embodiment, a plurality of (eleventh) modules (the eleventh) are provided between the unit coal gasifier 12 and the unit coal gasifier 12. 24 is arranged.
The module 24 is a pulverized coal conveyance pipe (solid carbonaceous fuel conveyance) that conveys the pulverized coal to the syngas cooler 35 (more specifically, the reductor burner 63, the combustor burner 64, and the activation burner 65) of each unit coal gasification furnace 12. 72), and a generated gas pipe 73 for guiding the generated gas generated in each unit coal gasification furnace 12 to the outside, a wire (not shown), a signal line (LAN), a control air pipe, a water supply pipe, a drain pipe, nitrogen The piping and the like are wiring / piping modules (piping modules) modularized into a plurality (44 in the present embodiment) of modules, and each modularized module is accommodated in a shipping container 21.

  In addition, in the conventional gasifier, very high reliability was requested | required for every one from a viewpoint (design concept) of reducing the number of gasifiers as much as possible. Therefore, in the conventional gasification furnace, in order to maintain the coal gasification furnace main body, an expensive annulus structure (double structure) had to be adopted in the coal gasification furnace main body. According to the coal gasification furnace 11, the eight unit coal gasification furnaces 12 (8 units) having the same predetermined heat output (for example, 125 MWth (megawatt thermal)) are provided, and the reliability of each unit Does not have to be so expensive. Therefore, in the coal gasification furnace 11 according to the present embodiment, an inexpensive and simple (single) structure can be adopted for the coal gasification furnace main body 29.

  According to the unit coal gasification furnace 12 according to the present embodiment, each module 13, 14, 15, 16, 17, 18, 19, 20 is accommodated in the transport container 21, so that the coal gasification furnace 11 is The transportation cost to the installation site and the assembly cost when assembling the coal gasification furnace 11 at the site can be reduced.

Moreover, according to the unit coal gasification furnace 12 which concerns on this embodiment, the coal gasification furnace main body 29 divided | segmented and accommodated in the container 21 for transportation is couple | bonded via the trunk | drum flange 74 which each has. It is configured.
Thereby, regarding the structure of the coal gasification furnace main body 29, an expensive annulus structure (double structure) is not required for maintenance, and an inexpensive and simple (single) structure can be adopted.

According to the coal gasification furnace 11 according to the present embodiment, eight (8 units) unit coal gasification furnaces 12 having the same predetermined heat output (for example, 125 MWth (megawatt thermal)) are provided. The basic unit coal gasification furnace 12 fulfills customer needs (for example, 1000 MWth, which is the heat output required by the customer).
That is, the customer's needs are satisfied only by increasing / decreasing the number of unit coal gasification furnaces 12 according to the customer's needs.
Thereby, the design cost and development cost of the coal gasification furnace 11 can be reduced.

  Moreover, according to the coal gasification furnace 11 which concerns on this embodiment, it is provided with the work space and scaffold for maintaining the unit coal gasification furnace 12 adjacent to the unit coal gasification furnace 12, and is a container for transportation. Since the maintenance modules 22 and 23 housed in 21 are arranged, maintenance of equipment that has reached the maintenance time or requires maintenance can be easily and quickly performed.

  Furthermore, according to the coal gasification furnace 11 according to the present embodiment, the pulverized coal transport pipe 72 that transports the pulverized coal to the unit coal gasification furnace 12 adjacent to the unit coal gasification furnace 12, and the unit coal gasification. Since the production gas pipe 73 that guides the production gas produced in the furnace 12 to the outside and the piping module 24 accommodated in the transport container 21 is disposed, equipment, piping, and the like are accommodated therein. The coal gasification furnace 11 can be constructed (installed) easily and quickly simply by assembling the transport containers 21 sequentially.

The assembly method of the unit gasification furnace according to the present embodiment is a unitization that generates coal gasification gas by reacting coal in a furnace together with a gasifying agent such as oxygen or air, and generates a predetermined heat output. The unit coal gasification furnace 12 is divided into a plurality of modules 13, 14, 15, 16, 17, 18, 19, 20 and each module 13, 14, 15, 16, 17, 18, 19 , 20 is a method of assembling the unit gasification furnace 12 accommodated in the transport container 21, and the modules 13, 14, 15, 16, 17, 18, 19, 20 are directed from the lower side to the upper side in the vertical direction. It can be stacked.
And according to the method of assembling the unit coal gasification furnace 12 according to the present embodiment, it is only necessary to sequentially assemble the transport container 21 in which equipment, piping, and the like are housed in the vertical direction from below to above. The unit coal gasifier 12 can be constructed (installed) easily and quickly.

[Second Embodiment]
A coal gasifier according to a second embodiment of the present invention will be described with reference to FIG.
FIG. 3 is a side view of the entire coal gasification furnace according to the present embodiment as viewed from above.

As shown in FIG. 3, the coal gasification furnace 81 according to this embodiment is provided with nine (9 units) unit coal gasification furnaces 12 having a predetermined same heat output (for example, 125 MWth (megawatt thermal)). Of these nine unit coal gasification furnaces 12, eight unit coal gasification furnaces 12 fulfill customer needs (for example, 1000 MWth, which is the heat output required by customers).
That is, the coal gasification furnace 81 according to this embodiment is different from that of the first embodiment described above in that one unit coal gasification furnace 12 is provided as a spare machine.
In addition, the same code | symbol is attached | subjected to the component same as 1st Embodiment mentioned above, and description about these components is abbreviate | omitted here.

  According to the unit coal gasification furnace 12 according to the present embodiment, each module 13, 14, 15, 16, 17, 18, 19, 20 is accommodated in the transport container 21, so that the coal gasification furnace 11 is The transportation cost to the installation site and the assembly cost when assembling the coal gasification furnace 11 at the site can be reduced.

Moreover, according to the unit coal gasification furnace 12 which concerns on this embodiment, the coal gasification furnace main body 29 divided | segmented and accommodated in the container 21 for transportation is couple | bonded via the trunk | drum flange 74 which each has. It is configured.
Thereby, regarding the structure of the coal gasification furnace main body 29, an expensive annulus structure (double structure) is not required for maintenance, and an inexpensive and simple (single) structure can be adopted.

According to the coal gasification furnace 81 according to the present embodiment, nine (9 units) unit coal gasification furnaces 12 having the same predetermined heat output (for example, 125 MWth (megawatt thermal)) are provided. The customer's needs (for example, 1000 MWth which is the heat output requested by the customer) are exhibited in the eight unit coal gasifiers 12 out of the unit coal gasifiers 12.
That is, the customer's needs are satisfied only by increasing / decreasing the number of unit coal gasification furnaces 12 according to the customer's needs.
Thereby, the design cost and development cost of the coal gasification furnace 81 can be reduced.

In addition, according to the coal gasification furnace 81 according to the present embodiment, one unit coal gasification furnace 12 out of the nine unit coal gasification furnaces 12 is provided as a spare unit, so that the maintenance time comes. Even while the unit coal gasification furnace 12 requiring maintenance is stopped and the unit coal gasification furnace 12 is maintained, the customer's needs (for example, the heat output requested by the customer) can be obtained by operating the spare machine. Is 1000 MWth).
Furthermore, according to the coal gasification furnace 81 according to the present embodiment, since the unit coal gasification furnaces 12 are compatible with each other, a unit whose maintenance time has arrived or needs maintenance in other units. The coal gasification furnace 12 can be removed, and the spare machine can be accommodated (attached) to another machine, and the other machine can be operated as much as the customer needs.

  Moreover, according to the coal gasification furnace 81 which concerns on this embodiment, it is provided with the work space and scaffold for maintaining the unit coal gasification furnace 12 adjacent to the unit coal gasification furnace 12, and is a container for transportation. Since the maintenance modules 22 and 23 housed in 21 are arranged, maintenance of equipment that has reached the maintenance time or requires maintenance can be easily and quickly performed.

  Furthermore, according to the coal gasification furnace 81 according to the present embodiment, the pulverized coal conveyance pipe 72 that conveys the pulverized coal to the unit coal gasification furnace 12 adjacent to the unit coal gasification furnace 12, and the unit coal gasification. Since the production gas pipe 73 that guides the production gas produced in the furnace 12 to the outside and the piping module 24 accommodated in the transport container 21 is disposed, equipment, piping, and the like are accommodated therein. The coal gasification furnace 11 can be constructed (installed) easily and quickly simply by assembling the transport containers 21 sequentially.

The method for assembling the unit coal gasification furnace 12 according to the present embodiment generates coal gasification gas by reacting coal in a furnace together with a gasifying agent such as oxygen or air, and generates a predetermined heat output. The unitized coal gasification furnace 12 is divided into a plurality of modules 13, 14, 15, 16, 17, 18, 19, 20 and each module 13, 14, 15, 16, 17, 18 is divided. , 19 and 20 are assembling methods of the unit coal gasification furnace 12 accommodated in the transport container 21, and the modules 13, 14, 15, 16, 17, 18, 19, and 20 are upward from the lower side in the vertical direction. Can be stacked up towards
And according to the method of assembling the unit coal gasification furnace 12 according to the present embodiment, it is only necessary to sequentially assemble the transport container 21 in which equipment, piping, and the like are housed in the vertical direction from below to above. The unit coal gasifier 12 can be constructed (installed) easily and quickly.

In addition, this invention is not limited to embodiment mentioned above, It can also implement by changing and changing suitably as needed.
For example, in the embodiment described above, the height H of the outer dimension is 2,591 mm which is the same as the height of the (standard) 40 ft shipping container, or 2,896 mm which is the same as the height of the (standard) 40 ft Hi-Cube shipping container. However, the present invention is not limited to this, and the height of the outer dimension is set to the height of the (standard) 40ft Hi-Cube shipping container ( It can also be 3886 mm, which is 1.5 times the height of the (standard) 20 ft shipping container and the (standard) 40 ft shipping container.

Of the modules 13, 14, 15, 16, 17, 18, 19, and 20 constituting the unit coal gasification furnace 12, only the transport container 21 that has received a maintenance time or a device that requires maintenance is included. The module 13, 14, 15, 16, 17, 18, 19, 20 held as a spare may be incorporated into the removed location.
Thereby, the time and cost required for maintenance can be greatly reduced.

11 Coal gasifier (gasifier)
12 Unit coal gasifier (unit gasifier)
13 modules (porous filter (PF) module)
14 module (porous filter lower hopper module)
15 modules (bin modules)
16 modules (feed hopper module)
17 module (upper syngas cooler (SGC) module)
18 modules (reductor, lower syngas cooler module)
19 modules (combustor modules)
20 modules (slag processing module)
21 Transport container 22 Maintenance module 23 Removal / maintenance module (maintenance module)
24 Wiring / Piping module (Piping module)
29 Coal gasifier body (gasifier body)
30 Ancillary equipment 35 Syngas cooler 72 Pulverized coal transport pipe (solid carbonaceous fuel transport pipe)
73 Generated gas pipe 74 Body flange 81 Coal gasifier (gasifier)

Claims (6)

A gasification furnace main body for generating a combustible gas by reacting a carbonaceous solid fuel with a gasifying agent in a furnace; and an accompanying facility attached to the gasification furnace main body. A unit gasification furnace in which at least a part of equipment is unitized,
The unit gasifier is divided into a plurality of modules, and each module is accommodated in a transport container.   The gasification furnace main body is divided into at least two continuous modules of the plurality of modules, and the divided gasification furnace main bodies are coupled through a split flange included in each. The unit gasifier according to claim 1.   A gasification furnace comprising at least one unit gasification furnace according to claim 1 or 2.   The unit gasifier has a work space and a scaffold for maintaining the gasifier main body and the accompanying equipment attached to the gasifier main body, and a maintenance module housed in the transport container is disposed. The gasification furnace according to any one of claims 1 to 3, wherein the gasification furnace is provided.   Adjacent to the unit gasifier, a solid carbonaceous fuel transport pipe for transporting solid carbonaceous fuel to the gasifier main body, and a generated gas pipe for guiding the combustible gas generated in the gasifier main body to the outside The gasification furnace according to any one of claims 1 to 4, wherein a piping module accommodated in the transport container is disposed. A gasification furnace main body for generating a combustible gas by reacting a carbonaceous solid fuel with a gasifying agent in a furnace; and an accompanying facility attached to the gasification furnace main body. A unit gasification furnace in which at least a part of equipment is unitized is divided into a plurality of modules, and each module is accommodated in a shipping container,
The unit gasification furnace assembling method, wherein the modules are stacked from a vertically lower side toward an upper side.

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