JP5600383B2 - Coke oven carbonization chamber insulation method - Google Patents

Description

The present invention relates to a heat insulating method for a coke oven, particularly a carbonization chamber of a chamber type coke oven.

  As shown in FIG. 5, a chamber-type coke oven that generates coke used in a blast furnace or the like has a heat storage chamber 1, and a plurality of carbonization chambers 2 and combustion chambers are provided above the heat storage chamber 1. 3 are arranged in parallel. Further, this type of coke oven has a coal tower 4, and the coal stored inside the coal tower 4 is transported to the upper part of the carbonizing chamber 2 by the coal loading vehicle 5 and formed on the ceiling portion of the carbonizing chamber 2. After being supplied as a coke raw material into the inside of the carbonization chamber 2 from the coal charging port 6, the carbonization is performed by heat generated in the combustion chamber 3. And the coal (coke) carbonized inside the carbonization chamber 2 is pushed out of the carbonization chamber 2 by an extruder 7 and supplied to a fire extinguisher 9 that extinguishes the coke via a guide vehicle 8. .

By the way, in such a chamber furnace type coke oven, when the brick forming the inner wall surface of the carbonization chamber 2 is cracked or cracked or falls down, the generated coke is discharged from the inside of the carbonization chamber 2. It becomes difficult to extrude smoothly, and so-called clogging tends to occur. Therefore, for the carbonizing chamber 2 that requires brick repair and transshipment, as shown in FIG. 6, after the thermal insulation sheet 10 is suspended from the coal inlet 6 in the carbonizing chamber 2, A plurality of heat insulation blocks 11 are stacked to repair the carbonizing chamber 2 (see, for example, Patent Document 1).
Japanese Patent Laying-Open No. 2004-175826 (paragraph 0004)

In the above-described method, the coking oven 2 can be repaired without stopping the operation of the coke oven. However, after the heat insulating block 11 is manually carried into the carbonizing chamber 2, the introduced heat insulating block 11 is reduced to about Since it was manually piled up in a high temperature atmosphere close to 200 ° C., much labor and time were required for the repair work of the carbonization chamber 2.
The present invention has been made paying attention to the above-mentioned problems, and its purpose is to provide a coke oven heat insulation method for coke oven that can repair the coke oven without requiring much labor and time. It is to be.

In order to achieve the above object, a coke oven heat insulation method for a coke oven according to the first aspect of the present invention is a method of stacking a heat insulation block in a coke oven of a coke oven and repairing the carbonization chamber, thereby fixing the floor surface of the carbonization chamber. the use of a heat insulating block conveyance carriage which is guided in the interior of the coking chamber, thermal insulation of the insulation block said carbonization chamber piled insulation block on the upper surface of the conveyance carriage by a pair of right and left guide rails and the guide rails to be laid on A step of suspending a heat insulating sheet inside the carbonization chamber from a coaling port and dividing the inside of the carbonization chamber into a repair side and a non-repair side by the heat insulation sheet; after opening the oven door of the coking chamber, a pair of left and right guide rails on the floor of the coking chamber, a vertical plate portion which is raised vertically from the floor of the coking chamber, said vertical plate A the upper portion guide rail and a horizontal plate portion which is horizontally formed on the a step of laying insulation to near the seat, the insulation block transport carriage guided by the guide rails inside the carbonization chamber A carriage main body capable of loading the heat insulation block, and a pair of wheels provided on left and right side front parts and left and right side rear parts of the carriage body so as to sandwich a horizontal plate part of the guide rail . a step of stacking the insulation block on the upper surface outside of the coking chamber, the heat insulating block conveyance carriage is moved to the vicinity of the insulation sheet, said insulation block adiabatic radiant heat by the heat insulating blocks stacked on the upper surface of the conveyance carriage it is characterized in that comprises a to that process.

According to the coking oven heat insulation method for a coke oven according to the invention of claim 1, there is no need to manually carry in the heat insulation block into the inside of the carbonization chamber or manually pile up the carried heat insulation block. The carbonization chamber can be repaired without much labor and time.
According to the coking oven heat insulation method of the coke oven according to the invention of claim 1 , since the wheels of the heat insulation block conveyance carriage do not lift from the horizontal plate portion of the guide rail when the heat insulation block is conveyed, the heat insulation block conveyance The heat insulation blocks stacked on the upper surface of the carriage can be stably carried into the carbonization chamber to repair the carbonization chamber.

Hereinafter, a coke oven heat insulation method for a coke oven according to an embodiment of the present invention will be described with reference to FIGS.
When repairing the carbonization chamber of a chamber furnace type coke oven by the coking chamber insulation method of the coke oven according to one embodiment of the present invention, as shown in FIG. The inside of the carbonization chamber 2 is divided into a repair side and a non-repair side by the heat insulating sheet 10 suspended from the coal charging port 6. Next, after opening the furnace door of the carbonizing chamber 2 to be repaired, a pair of left and right guide rails 12 are laid on the floor surface 2a of the carbonizing chamber 2 near the heat insulating sheet 10 as shown in FIG. To do.

Here, as a pair of left and right guide rails laid on the floor surface 2a of the carbonization chamber 2, as shown in FIGS. 2 and 3, a vertical plate portion 12a raised vertically from the floor surface 2a of the carbonization chamber 2 is used. It is preferable to use a guide rail 12 having a horizontal plate portion 12b formed horizontally at the upper end portion of the vertical plate portion 12a.
If the guide rail 12 is laid on the floor surface 2a of the carbonization chamber 2, as shown in FIG. 1 (c), the heat insulation block is formed on the upper surface of the heat insulation block transport carriage 13 guided to the inside of the carbonization chamber 2 by the guide rail 12. 11 is stacked outside the carbonization chamber 2. And as shown in FIG.1 (d), after moving the heat insulation block conveyance trolley 13 near the heat insulation sheet | seat 10, and insulating the radiant heat with the heat insulation block 11 piled up on the upper surface of the heat insulation block conveyance trolley 13, a carbonization chamber Repair 2

  Here, as a heat insulation block conveyance cart guided to the inside of the carbonization chamber 2 by the guide rail 12, as shown in FIGS. 2 to 4, a cart main body 13 a on which the heat insulation block 11 can be loaded, and the guide rail 12 horizontally. A heat insulating block conveying carriage 13 having a pair of upper and lower wheels 13b, 13b provided so as to narrow the horizontal plate portion 12b of the guide rail 12 at the left and right side front portions and the left and right side rear portions of the carriage body 13a so as to narrow the plate portion 12b is used. It is preferable.

  As described above, when repairing the carbonization chamber 2 by stacking the heat insulation blocks 11 inside the carbonization chamber 2, the pair of left and right guide rails 12 laid on the floor surface 2 a of the carbonization chamber 2 and the guide rail 12 serve as a carbonization chamber. When the heat insulation block 11 is stacked on the upper surface of the heat insulation block conveyance carriage 13 to repair the carbonization chamber 2, the heat insulation block 11 is manually placed inside the carbonization room 2. Therefore, it is not necessary to manually load and stack the heat-insulating blocks 11 that have been carried in, so that the carbonizing chamber 2 of the coke oven can be repaired without much labor and time.

Further, as a pair of left and right guide rails laid on the floor surface 2a of the carbonization chamber 2, a vertical plate portion 12a that is vertically raised from the floor surface 2a of the carbonization chamber 2 and a horizontal upper end portion of the vertical plate portion 12a. The guide rail 12 having the horizontal plate portion 12b formed on the guide rail 12 is used, and a carriage main body 13a on which the heat insulating block 11 can be loaded as a heat insulating block transporting carriage guided by the guide rail 12 to the inside of the carbonization chamber 2, and a guide When the heat insulating block transfer carriage 13 having a pair of upper and lower wheels 13b and 13b provided on the left and right side front portions and the left and right side rear portions of the carriage main body 13a so as to narrow the horizontal plate portion 12b of the rail 12 is used, the heat insulating block 11 is transferred. When the wheel 13b of the heat insulating block transport carriage 13 is lifted from the horizontal plate portion 12b of the guide rail 12 Since there is no Rukoto can the insulation block 11 stacked on the upper surface of the insulating block the transport carriage 13 and carried into the carbonization chamber 2 in a stable state performing repairs of the coking chamber 2.
In addition, in the past, the work of stacking the heat insulation blocks 11 required 60 hours for five people, but in the present invention, it was reduced to 36 hours for five persons.

In one embodiment of the present invention described above, as a pair of left and right guide rails laid on the floor surface of the carbonization chamber, a vertical plate portion vertically raised from the floor surface of the carbonization chamber and an upper end portion of the vertical plate portion. Although what used the horizontal plate part formed horizontally was used, it is not restricted to this.
In addition, as a heat insulating block transport cart guided to the inside of the carbonization chamber by the guide rail, the cart main body on which the heat insulating block can be loaded, and the left and right side front portions and the left and right side rear portions of the cart main body so as to narrow the horizontal plate portion of the guide rail. Although what used the upper-lower paired wheel provided was used, it is not restricted to this.

It is a figure which shows the carbonization chamber heat insulation method of the coke oven which concerns on one Embodiment of this invention. It is a top view which shows an example of the guide rail used for the carbonization chamber heat insulation method of the coke oven which concerns on this invention, and a heat insulation block conveyance trolley | bogie. It is a figure which shows the AA cross section of FIG. It is a figure which shows the BB cross section of FIG. It is a figure which shows schematic structure of a chamber furnace type coke oven. It is a figure for demonstrating the prior art example when repairing the carbonization chamber of a chamber furnace type coke oven.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Heat storage chamber 2 Coking chamber 3 Combustion chamber 4 Coal tower 5 Charcoal vehicle 6 Coal inlet 7 Extruder 8 Guide vehicle 9 Fire extinguisher 10 Thermal insulation sheet 11 Thermal insulation block 12 Guide rail 12a Vertical plate part 12b Horizontal plate part 13 Thermal insulation block conveyance cart 13a Bogie body 13b Wheel

Claims (1)

When repairing the carbonization chamber by stacking a heat insulation block in the carbonization chamber of a coke oven, a pair of left and right guide rails laid on the floor of the carbonization chamber and the heat insulation block guided to the inside of the carbonization chamber by the guide rail using the conveyance carriage, the be those stacked with insulation block thermally insulated in the coking chamber to the upper surface of the insulation block transport vehicle,
A step of suspending a heat insulating sheet inside the carbonization chamber from a charcoal opening and bisecting the inside of the carbonization chamber into a repair side and a non-repair side by the heat insulation sheet;
After opening the furnace door of the carbonization chamber to be repaired, a pair of left and right guide rails on the floor surface of the carbonization chamber, and a vertical plate portion raised vertically from the floor surface of the carbonization chamber; Laying a guide rail having a horizontal plate portion formed horizontally at the upper end of the vertical plate portion to the vicinity of the heat insulating sheet;
The heat insulating block transport cart guided to the inside of the carbonization chamber by the guide rail, the cart main body on which the heat insulating block can be loaded, and the left and right side surfaces of the cart main body so as to sandwich the horizontal plate portion of the guide rail A step of stacking the heat insulation block outside the carbonization chamber on the upper surface of a heat insulation block conveyance carriage having a front part and a pair of wheels provided on the left and right side rear parts ;
The heat insulating block conveyance carriage is moved to the vicinity of the insulation sheet, said insulation block carbonization chamber of a coke oven, characterized in that it comprises a step that Nessu sectional radiant heat by the heat insulating blocks stacked on the upper surface of the conveyance carriage Insulation method.

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