JP2010144634A - Hot radiator storage yard generating apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To construct an exhaust tower without affecting the operation of a coil yard. <P>SOLUTION: The exhaust tower 4 extending in the vertical direction is vertically installed on the outside of a building 3 in the coil yard 1 for temporarily storing hot-rolled coils 2 as hot radiators. An exhaust port 5 provided to the building 3 is communicably connected to the bottom end of the exhaust tower 4 through a connection duct 6, and a power generation turbine 7 is installed at the desired position of the exhaust tower 4. A suction port 8 is formed in the side wall of the building 3. When the hot-rolled coils 2 in hot state are conveyed in order into the coil yard 1 and stacked and stored there, the air 9 in the building 3 is heated by the heat of the hot-rolled coils 2 through convective heat transfer, and the air 9 in which a buoyancy is produced flows from the exhaust port 5 to the bottom end part of the exhaust tower 4 through the connection duct 6 to produce an air bump in the exhaust tower and rotate the power generation turbine 7 for power generation. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is for efficiently recovering the heat held by a high-temperature heat dissipating object that is naturally radiated and cooled after being manufactured at a high temperature in various plants so that it can be effectively used for power generation. The present invention relates to a high-temperature heat dissipating object storage yard power generator.

  In general, in an integrated steelworks, the molten steel after steelmaking is continuously cast into a steel slab such as a slab, then the steel slab is hot-rolled, and the rolled steel sheet is wound into a coil and heated. Further, a steel product such as a steel product is manufactured by subjecting the hot-rolled coil to a predetermined treatment such as cold rolling.

  Since the steel pieces such as slab continuously cast from the molten steel in the process of manufacturing steel products as described above are 1000 degrees or more immediately after being manufactured, they are moved to a storage yard such as a slab yard. The slab is temporarily stored until it moves to the next rolling step while dissipating the heat applied to the steel slab such as the slab, which is applied during continuous casting, and is usually stored in the order received in the storage yard. Etc. are sent to the next process.

  Moreover, since the hot-rolled coil has a high temperature of about 500 to 600 degrees immediately after production, it is transferred to the coil yard and is added during hot rolling to dissipate the heat remaining in the hot-rolled coil. Temporary storage is performed until the next process is started, and the hot rolled coils are normally sent to the next process in the order received in the coil yard.

Therefore, in the integrated steelworks as described above, a large amount of heat is input when manufacturing steel intermediate products such as slabs and hot-rolled coils, but the steel intermediate products manufactured at high temperatures are used. The actual condition is that the remaining heat is merely dissipated into the atmosphere and is not particularly effectively utilized. Therefore, from the viewpoint of how to reduce the amount of CO ₂ emission that has become a problem in recent years, as described above, steel slabs such as slabs and hot steel coils such as hot-rolled coils that are manufactured at a high temperature by heat input as described above. It is desirable to recover the heat dissipated from the product and effectively use it as energy.

  In addition, the thermal power plant building provided with the power generation equipment is provided with wind power generation means for generating power using the updraft generated by the heat of the power generation equipment, and provided with a discharge port for discharging the updraft. Conventionally, a thermal power plant building wind power generation system has been proposed. Further, in such a thermal power plant building wind power generation system, it is also proposed that the thermal power plant building is a boiler building or a turbine building. According to the thermal power plant building wind power generation system having such a configuration, wind power generation means using the updraft generated in the air heated by heat radiation out of the heat generated in the power generation equipment installed in the thermal power plant building It is supposed that it can be made to generate electric power (for example, refer to patent documents 1).

  However, like the thermal power plant building wind power generation system, in the integrated steelworks, the building of continuous casting equipment that manufactures steel slabs such as slabs, and the building of hot rolling equipment that manufactures hot rolled coils In addition, even with a configuration equipped with wind power generation equipment, there is a limit to the amount of heat released by each of the steel intermediate products that are sequentially manufactured on one production line, and the manufactured steel intermediate products are sequentially carried out. Therefore, the amount of heat released by the steel intermediate product is limited in the building where the manufacturing equipment is installed, and the building that houses the steel intermediate product manufacturing facility is large. Then, the heat density is low, and therefore it is difficult to efficiently generate power.

  Therefore, the applicant of the present invention is not limited to the above-mentioned various plants such as a storage yard such as a slab yard in which steel pieces such as slabs are temporarily stored and a coil yard in which hot-rolled coils are temporarily stored. A storage yard designed to temporarily store high-temperature heat dissipating objects manufactured in a high-temperature state usually has a high heat density because many high-temperature heat dissipating objects are accumulated and stored. In storage yard and coil yard, such as steel slabs and hot rolled coils are usually brought in at a high temperature immediately after production, it is carried in first and it is enough to stay in the yard for a long time. It is designed to be carried out sequentially from the one that radiated heat, and the total amount of the high-temperature radiating object stored inside does not change so much, so it is held by the stored high-temperature radiating object Paying attention to the fact that the total sum of the heat does not change so much, and that most of the heat dissipation of these objects is performed in the yard, so that the heat that the high-temperature heat dissipation object had in the yard can be efficiently recovered, In the previous application (Japanese Patent Application No. 2008-026720), the high-temperature heat dissipating object is temporarily accumulated and stored in the ceiling part of the building of the high-temperature heat dissipating object storage yard, and the exhaust is formed as a cylindrical part extending upward. A high-temperature heat dissipating object storage yard power generation device having a structure in which a tower (chimney) is provided and a power generation turbine is installed at a required portion of the cylindrical portion of the exhaust tower to generate electric power with an updraft is proposed.

  According to such a high-temperature heat dissipating object storage yard power generation device, heat exchange by natural convection heat transfer between the high-temperature heat dissipating object stored in the high-temperature heat dissipating object storage yard and the air in the building of the high-temperature heat dissipating object storage yard Using the buoyancy generated by increasing the temperature of the air around the heat dissipation object and reducing the density of the heated air, the heated air is raised toward the exhaust tower of the building ceiling, As the air in the building is heated to the exhaust tower at the ceiling of the building, outside air at a lower temperature than the intake port provided at the required part of the building, for example, the lower part of the side wall of the building, is introduced into the building. The air introduced into the building from the intake port receives the convective heat transfer from the high-temperature heat dissipating object and is gradually heated so as to go to the exhaust tower, so that the temperature inside the exhaust tower is increased. Air updraft By, by the updraft it is to be able to perform wind power by driving a generator turbine provided in the exhaust tower.

JP 2006-77676 A

  However, since the high-temperature heat dissipating object storage yard power generator has a structure in which an exhaust tower is integrally provided on the ceiling of the building of the high-temperature heat dissipating object storage yard, In order to equip the apparatus, it is a fact that a significant modification is required to support the exhaust tower extending in the vertical direction on the ceiling of the building. Therefore, there is a concern that the operation of the high-temperature heat dissipating object storage yard may be hindered during the construction period in which the exhaust tower is installed on the ceiling of the building.

  Therefore, the present invention further develops the idea of the high-temperature heat dissipating object storage yard power generation device previously proposed by the present applicant, and is a significant remodeling work for the ceiling of the building with respect to the existing high-temperature heat dissipating object storage yard. Therefore, an object of the present invention is to provide a high-temperature heat dissipating object storage yard power generation device that can be introduced without hindering the operation of the existing high-temperature heat dissipating object storage yard.

  In order to solve the above-mentioned problem, the present invention, corresponding to claim 1, separates a required part of the building of the high-temperature heat radiation object storage yard from which the high-temperature heat radiation object is temporarily accumulated and stored. The lower end of an exhaust tower that extends outside in the body is connected to the lower end of the exhaust tower via a connecting duct, and a power generation turbine is installed at the required location of the exhaust tower or connecting duct, and the buoyancy is raised in the building. The air that generates air is guided to the exhaust tower through the connecting duct and is configured to generate power with the airflow when it flows through the exhaust tower.

  Further, according to claim 2, a required portion of the building of the high-temperature heat dissipating object storage yard that temporarily accumulates and stores the high-temperature heat dissipating object extends in the vertical direction provided outside the building separately. A water spray nozzle for spraying water to a high-temperature heat dissipating object stored in the building is provided at the lower end of the exhaust tower through a connecting duct, and at a required portion of the ceiling of the building. In addition, a power generation turbine is provided at a required portion of the exhaust tower or duct, and the water sprayed from the water spray nozzle evaporates with the heat held by the high-temperature heat dissipating object together with air that is heated in the building and generates buoyancy. Then, the generated water vapor is guided to the exhaust tower through the connecting duct, and the air and the water vapor are configured to generate power with an air flow when flowing through the exhaust tower.

  In each of the above-described configurations, a chimney of an existing exhaust system is used as an exhaust tower separate from the building.

  Moreover, in each of the above-mentioned configurations, the high-temperature heat dissipating object is a steel intermediate product in a steel mill, and the building of the high-temperature heat dissipating object storage yard that is connected to the lower end of the exhaust tower through a connecting duct is temporarily integrated with the steel intermediate product. And a storage yard building for storage.

  Further, in the above configuration, the steel intermediate product as a high-temperature heat dissipating object is a hot-rolled coil manufactured by a hot rolling facility at a steel mill, and the steel intermediate product connected to the lower end of the exhaust tower through a connecting duct. A storage yard building as a building of a high-temperature heat dissipating object storage yard for temporary accumulation and storage is configured as a coil yard building.

  Furthermore, in the above configuration, the heat of the building of the hot rolling facility is provided on one side of the building of the coil yard for temporarily accumulating and storing the steel intermediate product that is connected to the lower end of the exhaust tower through a connecting duct. The extended coil carry-out side end portion is connected to be connected so as to be able to intake air.

According to the high-temperature heat dissipating object storage yard power generator of the present invention, the following excellent effects are exhibited.
(1) A required portion of the building of the high-temperature heat dissipating object storage yard in which the high-temperature heat dissipating object is temporarily accumulated is stored at the lower end portion of the exhaust tower extending in the vertical direction provided outside the building. The turbine is connected through a connecting duct, and a power generation turbine is provided at a required portion of the exhaust tower or the connecting duct, and air that is heated in the building and generates buoyancy is guided to the exhaust tower through the connecting duct, and the exhaust Because it is configured to generate electricity with the airflow when it circulates in the tower, the heat of the high-temperature heat dissipating object manufactured with the input of heat is used to build the high-temperature heat dissipating object storage yard mainly by convection heat transfer. The temperature of the air is raised, and the air that has been heated to generate buoyancy is led to the lower end of the exhaust tower through the connecting duct, thereby generating an updraft in the exhaust tower. Electric power can be generated by turning the more power generation turbine.
(2) Further, since the exhaust tower is separate from the building of the high-temperature heat dissipating object storage yard, the exhaust tower that requires days to realize the high-temperature heat dissipating object storage yard power generation device of the present invention. Construction work can be carried out without affecting the high-temperature heat dissipating object storage yard. Therefore, even when the high-temperature heat dissipating object storage yard power generation device of the present invention is introduced into the existing high-temperature heat dissipating object storage yard, it is possible to avoid the possibility of hindering the operation of the existing high-temperature heat dissipating object storage yard. It is possible to continue the operation.
(3) A required portion of the building of the high-temperature heat radiation object storage yard that is designed to temporarily accumulate and store the high-temperature heat radiation object is attached to the lower end portion of the exhaust tower that extends in the vertical direction and is provided outside the building. Further, a water spray nozzle for spraying water to a high-temperature heat dissipating object stored in the building is provided at a required portion of the ceiling of the building, and the exhaust tower or duct is connected. The power generation turbine is installed at the required location, and the water vapor generated from the water spray nozzle is evaporated together with the air that is heated in the building and generates buoyancy, and the water vapor generated by the heat held by the high-temperature heat dissipation object is connected to the above In addition to the same effects as the above (1) and (2), the air and water vapor are led to the exhaust tower through the duct and the power is generated by the air flow when the air and water vapor are circulated in the exhaust tower. Water spray nozzle By evaporating the water to be sprayed with the heat held by the high-temperature heat dissipating body, it is possible to generate a large amount of steam that has been heated, and this generated steam is led from the building to the exhaust tower through the connecting duct. By joining the flow, the amount of the heated gas rising in the exhaust tower can be increased. Therefore, the wind speed of the airflow rising in the exhaust tower can be dramatically increased, the energy recoverable by the power generation turbine can be further increased, and the output of the power generation turbine can be significantly increased. (4) Since the construction of using the existing exhaust equipment chimney is used as an exhaust tower separate from the building, the construction work of the exhaust tower can be omitted. A storage yard power generator can be realized more easily.
(5) In order to temporarily store the above-mentioned steel intermediate product in a building of a high-temperature heat radiating object storage yard that is connected to the lower end portion of the exhaust tower through a connecting duct, using the high-temperature heat radiating object as a steel intermediate product in an ironworks. By adopting the structure of the storage yard of the building, the heat possessed by the intermediate steel product manufactured at a high temperature in the steelworks can be effectively utilized for power generation and recovered as energy.
(6) The steel intermediate product as a high-temperature heat dissipating object is a hot-rolled coil manufactured by hot rolling equipment at a steel mill, and the steel intermediate product that is connected to the lower end of the exhaust tower through a connecting duct is temporarily accumulated. By using the structure of the storage yard as the building of the high-temperature heat dissipating object storage yard for storing in a coil yard, the heat generated by the hot-rolled coil manufactured in a high-temperature state is effectively used for power generation. It can be recovered as energy.
(7) Hot rolled coil carry-out side of the hot rolling facility building on one side of the coil yard building for temporarily storing and storing steel intermediate products that are connected to the lower end of the exhaust tower via a connecting duct By adopting a configuration in which the end portions are connected and can be sucked in, the air heated by the heat released in the hot rolling process in the building of the hot rolling facility compared to the outside air temperature Since the air can be sucked into the coil yard building for storing the hot-rolled coil, the temperature of the air heated by receiving the heat of the hot-rolled coil in the building can be further increased. Since the temperature of the air led from the building to the exhaust tower through the connection duct can be further increased, the flow rate of the updraft in the exhaust tower can be increased, and the amount of power generated by the power generation turbine can be increased.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 shows an embodiment of the high-temperature heat dissipating object storage yard power generator according to the present invention, which is a steel intermediate product as a high-temperature heat dissipating object manufactured at a hot rolling facility in a steelworks such as an integrated steelworks. The case where it applies to the coil yard 1 as a high temperature thermal radiation object storage yard for temporarily storing the coil 2 is shown, and it has the following composition.

  That is, the hot-rolled coil 2 manufactured with heat input in the hot rolling equipment is temporarily stored outside the coil yard building 3 where the hot-rolled coil 2 is temporarily stored until it is transferred to the next process. An exhaust tower 4 having a chimney-like air flow path 4a extending in the vertical direction is provided separately on the required site separated from the building 3.

  Further, an exhaust port 5 is provided in the vicinity of the upper part of one side wall of the building 3, and the exhaust port 5 is connected to a lower position of the chimney-like air flow path 4 a of the exhaust tower 4 through a connection duct 6. In addition, a power generation turbine 7 is installed at a required position in the vertical direction of the exhaust tower 4.

  Of the side walls of the building 3, intake ports 8 are provided at required portions of the side walls except for one side wall provided with the exhaust port 5 for connecting the connecting duct 6.

  Moreover, although not shown in figure, if the entrance and exit of the hot-rolled coil 2 in the coil yard building 3 are provided on the required side wall of the coil yard building 3, a door that can be opened and closed is provided. Good. Further, an intake port similar to the above-described intake port 8 may be provided at the lower part of the doors of the carry-in port and the carry-out port.

  Furthermore, you may make it provide the conveyance means (not shown) of the said hot-rolling coil 2 in the said building 3. As shown in FIG.

  The connecting duct 6 has a structure in which a heat insulating material (not shown) is provided on the entire outer periphery of the connecting duct 6 so that the air 9 discharged from the exhaust port 5 of the building 3 is exhausted in a state in which a temperature drop is prevented. By guiding it to the tower 4, the temperature of the air 9 flowing through the exhaust tower 4 can be kept as high as possible. Reference numeral 4 b denotes a support structure for the exhaust tower 4.

  In the building 3 of the coil yard 1 having the high-temperature heat dissipating object storage yard power generator configured as described above, the hot-rolled coil 2 manufactured by hot rolling with heat input in a hot rolling facility (not shown) is not shown. When it is carried in from the carry-in entrance and temporarily stored in a state where it is accumulated until it moves to the next process, the heat held by each hot-rolled coil 2 in the coil yard building 3 is mainly due to convection heat transfer. Heat is transferred to the air 9 inside, and the air 9 in the building 3 is heated. Since the heated air 9 is reduced in density and generates buoyancy, the air 9 moves up in the building 3 and then goes to the exhaust port 5 provided near the upper portion of one side wall of the building 3. After being led to the lower part of the chimney-like air flow path 4a of the exhaust tower 4 through the connecting duct 6 and ascending the chimney-like air flow path 4a of the exhaust tower 4, it is discharged to the outside from the upper end outlet of the exhaust tower 4. Become so.

  As described above, the air 9 heated in the building 3 is guided from the exhaust port 5 to the exhaust tower 4 through the connection duct 6, and thus from each intake port 8 provided on the side wall of the building 3. Low temperature outside air is introduced into the building 3. Accordingly, in the building 3, an air 9 flow is generated from each intake port 8 through the building 3 and sequentially toward the exhaust port 5. In this way, while the air 9 passes through the building 3, The air 9 is sequentially heated by convective heat transfer due to the heat held by the hot-rolled coil 2.

  Accordingly, the air 9 that has been heated to generate buoyancy is directed from the exhaust port 5 of the building 3 to the exhaust tower 4 sequentially through the connection duct 6. In the path 4a, an updraft of the air 9 flowing from the bottom to the top is generated, and the power generation turbine 7 provided in the exhaust tower 4 is driven by this updraft and wind power generation is performed. .

  Thus, according to the high-temperature heat dissipating object storage yard power generation device of the present invention, the building of the coil yard 1 in which the heat density is high because the hot-rolled coil 2 having a high temperature immediately after manufacture is accumulated and stored. 3, the air 9 can be efficiently heated by the heat of the hot-rolled coil 2, and the air 9 that has been efficiently heated by the heat of the hot-rolled coil 2 to generate buoyancy. Since the ascending airflow can be efficiently generated in the exhaust tower 4 by being led from the exhaust port 5 of the building 3 to the external exhaust tower 4 through the connection duct 6, the power generation turbine provided in the exhaust tower 4 7 can be driven efficiently, and efficient power generation can be performed.

  Furthermore, since the exhaust tower 4 is installed on a site different from the building 3 of the coil yard 1, the above-mentioned time required for realizing the high-temperature heat dissipating object storage yard power generator of the present invention is described above. The construction of the exhaust tower 4 can be carried out without affecting the coil yard 1. Further, the construction of providing the exhaust port 5 and the intake port 8 on the side wall of the coil yard building 3 can be easily performed. Therefore, even when the high-temperature heat dissipating object storage yard power generation device of the present invention is introduced into the coil yard 1 that is an existing high-temperature heat dissipating object storage yard, there is no risk of hindering the operation of the existing coil yard 1. It will be possible to continue operation.

  Next, FIG. 2 shows a modification of the embodiment of FIG. 1 as another embodiment of the present invention. In the same configuration as shown in FIG. 1, the exhaust port 5 in the building 3 of the coil yard 1 is shown. On the other side facing the one side wall where the hot rolling coil 2 is manufactured, the hot rolling coil 2 is manufactured by hot rolling with heat input. The building 3 of the coil yard 1 is integrally provided in the building 11 of the hot rolling facility.

  In addition, in the building 3 of the coil yard 1, the air inlet 8 on the side wall is omitted so that air can be drawn from the building 11 of the hot rolling facility 10. Other configurations are the same as those shown in FIG. 1, and the same components are denoted by the same reference numerals.

  According to the present embodiment, the hot-rolled coil 2 manufactured by the hot rolling facility 10 is carried into the building 3 of the coil yard 1 and temporarily stored in an integrated state until it is transferred to the next process. Then, as in the embodiment of FIG. 1, the temperature of the air in the building 3 is raised mainly by the convective heat transfer of the heat held by each hot-rolled coil 2 in the coil yard building 3, The air 9 whose density has decreased due to the temperature rise and generated buoyancy is guided from the exhaust port 5 of the building 3 to the exhaust tower 4 through the connection duct 6, and an upward air flow is generated in the exhaust tower 4. .

  When the air in the building 3 of the coil yard 1 is guided from the exhaust port 5 to the exhaust tower 4 through the connection duct 6 as described above, from the connection point of the building 3 with the building 11 of the hot rolling facility 10. The atmospheric air that has already been warmed compared to the outside air temperature is guided into the building 3 of the coil yard 1 by the heat released in the hot rolling process in the building 11 of the hot rolling facility 10. Therefore, the temperature of the air 9 that is heated by receiving the convective heat transfer from the hot-rolled coil 2 in the building 3 of the coil yard 1 can be further increased. Therefore, the temperature of the air 9 that is led from the exhaust port 5 of the building 3 of the coil yard 1 to the exhaust tower 4 through the connecting duct 6 can be further increased. The flow rate of the updraft generated by buoyancy can be increased, and the amount of power generated by the power generation turbine 7 can be increased.

  Next, FIG. 3 shows another modification of the embodiment of FIG. 1 as still another embodiment of the present invention. In the same configuration as shown in FIG. A number of water spray nozzles 12 are arranged on the ceiling portion corresponding to the arrangement of the hot rolling coils 2 placed in the building 3, and water is supplied to each water spray nozzle 12 from a water supply pump 13 in the outdoor part of the building. The water 15 supplied through the water supply line 14 from the water pump 13 is connected to the water supply line 14 that guides the water 15. The coil 2 can be sprayed in the form of a mist or a shower.

  Further, the water supply line 14 connected to each water spray nozzle 12 is provided with a water supply valve 16 individually corresponding to each water spray nozzle 12, and spraying water 15 from each water spray nozzle 12. And spraying stop can be individually switched. Thereby, among each hot-rolled coil 2 stored in the building 3, for example, above the group of hot-rolled coils 2 having a relatively high temperature in which the yard stay time has not passed so much since being carried into the building 3 By opening only the water supply valve 16 corresponding to the water spray nozzle 12 arranged in the above, the water 15 can be selectively sprayed onto the group of relatively hot hot coils 2. is there.

  In addition, as the water 15 supplied to each water spray nozzle 12 by the water pump 13, for example, for use in a hot rolling cooling process in a hot rolling facility (not shown) for manufacturing the hot rolled coil 2. If the heated (warmed) cooling water after being used is used, when the water 15 sprayed from the water spray nozzle 12 is evaporated by the heat of the hot-rolled coil 2, the water 15 is Since the energy of the sensible heat required for raising the temperature to the evaporation temperature can be reduced, it is possible to obtain an advantageous configuration for increasing the generation efficiency of the water vapor 17 by the heat held by the hot rolled coil 2.

  Other configurations are the same as those shown in FIG. 1, and the same components are denoted by the same reference numerals.

  According to this embodiment, as in the embodiment shown in FIG. 1, convection heat transfer by heat stored in the hot-rolled coil 2 stored in the building 3 of the coil yard 1 in which the hot-rolled coil 2 is stored. The air 9 whose temperature is raised by the above can be guided from the exhaust port 5 of the building 3 to the exhaust tower 4 through the connecting duct 6.

  At this time, among the hot-rolled coils 2 stored in the building 3, the water supply valves 16 corresponding to the water spray nozzles 12 disposed above the relatively high-temperature hot-rolled coils 2 group are opened. Then, the water 15 supplied from the water pump 13 through the water supply line 14 is sprayed in the form of a mist or a shower toward the group of the relatively hot hot rolled coils 2, and the relatively hot hot rolled coil. A part of the water 15 sprayed toward the second group is heated in the middle of dropping due to contact with the air 9 heated by the convective heat transfer of the hot-rolled coil 2 and evaporated. At the same time, the remaining portion of the sprayed water droplets falls on the group of relatively high-temperature hot-rolled coils 2, and at this time, the water droplets contacting each of the hot-rolled coils 2 are caused by the heat held by the hot-rolled coils 2. Direct heating and evaporation.

  As described above, the water 12 sprayed from the water spray nozzles 12 to the relatively hot hot-rolling coil 2 group is directly or directly heated by the heat of the hot-rolling coil 2 group. When heated indirectly through 9 to evaporate into water vapor 17, the volume expands several thousand times. For this reason, in the said building 3, with respect to the air 9 heated up by the convective heat transfer with the hot-rolling coil 2, the large amount of water vapor | steam produced when the water 15 sprayed from each said water spray nozzle 12 evaporates. By adding 17, the amount of the heated gas is greatly increased.

  Accordingly, since the water vapor 17 is mixed with the heated air 9, it goes from the exhaust port 5 of the building 3 to the exhaust tower 4 through the connection duct 6. The air flow rising up 4a is accelerated, and the power generation turbine 7 provided in the exhaust tower 4 is driven by the increased upward air flow, and wind power generation is performed.

  Therefore, according to the present embodiment, in addition to the same effects as the embodiment of FIG. 1, the water 15 sprayed from the water spray nozzle 12 is evaporated by the heat held by the hot-rolled coil 2 to produce a large amount. Since the steam 17 is generated and the large amount of the steam 17 is also guided to the exhaust tower 4, and the wind speed of the air flow rising up the exhaust tower 4 can be dramatically increased. As a result, the output of the power generation turbine 7 can be remarkably increased.

  The coil yard 1 is normally the earliest among the hot-rolled coils 2 already stored in the coil yard 1 when newly produced hot-rolled coils 2 with large retained heat are sequentially carried in. Since the hot-rolled coil 2 that has been carried in, that is, the longest heat dissipated and the temperature has been lowered, is sequentially carried out through a carry-out port (not shown), the stored heat is stored in the building 3 of the coil yard 1. When the hot-rolling coil 2 having a relatively large temperature and a relatively high temperature is newly carried in, the hot-rolling coil 2 newly carried in the water supply valve 16 provided for each water spray nozzle 12 is used. By opening the water supply valve 16 corresponding to the water spray nozzle 12 located above, the spray of water is started to the hot rolled coil 2 having a large retained heat newly carried into the building 3. That's fine.

  On the other hand, among the hot-rolled coils 2 already stored in the coil yard 1, it corresponds to the water spray nozzle 12 above the hot-rolled coil 2 whose temperature has been lowered to such an extent that the water 15 to be sprayed cannot be sufficiently evaporated. The water supply valve 16 to be operated may be closed.

  Further, when an operator enters the building 3 of the coil yard 1 for transporting the hot-rolled coil 2 or the like, spraying of the water 15 from the water spray nozzle 12 may be stopped.

  In addition, this invention is not limited only to said each embodiment, It replaces with the vicinity of the upper part of a side wall, and the exhaust port 5 of the building 3 of the coil yard 1 is provided in the required part of the ceiling part of this building 3. The exhaust port 5 provided in the ceiling portion of the building 3 may be connected to the lower portion of the exhaust tower 4 via a connection duct 6.

  As long as the power generation turbine 7 can be driven by the updraft flowing through the exhaust tower 4, the height position where the power generation turbine 7 is installed in the exhaust tower 4 may be changed as appropriate. Further, a power generation turbine 7 may be provided in the connection duct 6 instead of the exhaust tower 4. In this case, a cylindrical flow path corresponding to the diameter of the power generation turbine 7 may be formed in a part of the connection duct 6 and the power generation turbine 7 may be attached to the cylindrical flow path.

  As the exhaust tower 4, a chimney provided in an existing exhaust facility may be used. If it does in this way, since it becomes possible to abbreviate | omit the construction work of the exhaust tower 4, the high temperature thermal radiation object storage yard electric power generating apparatus of this invention can be implement | achieved more easily. In this case, the exhaust flowing through the chimney flows back to the building 3 side of the coil yard 1 in consideration of the flow rate, flow velocity, pressure, etc. of the exhaust discharged from the existing exhaust facility through the chimney. In order to avoid this, it is only necessary to appropriately determine the connection point of the downstream end portion of the connecting duct attached to the exhaust port 5 of the building 3 of the coil yard 1 with respect to the chimney.

  In the embodiment of FIG. 3, a water supply valve 16 that individually switches spraying of water 15 from each water spray nozzle 12 and spray stop to each water spray nozzle 12 provided on the ceiling in the building 3 of the coil yard 1. However, one water supply valve 16 may be provided for each of the plurality of water spray nozzles 12 provided in a certain range of the building 3. Furthermore, when the location where the newly produced hot rolled coil 2 with a large retained heat is carried in the building 3 of the coil yard 1 is determined, the newly manufactured possessed in the building 3 You may make it provide the water spray nozzle 12 only above the location where the hot rolling coil 2 with a big heat | fever is carried in.

  Furthermore, in the configuration of each of the above embodiments, the heat possessed by the hot rolled coil 2 stored in the building 3 as proposed by the present applicant in the previous application (Japanese Patent Application No. 2008-026720) is used. Means for increasing the temperature raising efficiency of the air in the building 3, for example, a saw-like member (not shown) for ventilating the air below the hot-rolled coils 2 on the floor of the building 3 of the coil yard 1. A structure in which the hot rolled coil 2 to be carried into the coil yard 1 is placed on the upper side of the saw-like member, or on the inner bottom of the building 3 of the coil yard 1 from the bottom of the building 3 of the coil yard 1 to the ground. A configuration in which a heat insulating material having a high temperature resistance for suppressing the heat dissipation is added may be added.

  In each of the embodiments described above, the coil yard 1 for temporarily storing the hot rolled coil 2 that is a steel intermediate product manufactured at an ironworks as a high-temperature heat dissipating object manufactured with heat input. Although shown in the case of application, it is applied to a storage yard for intermediate steel products such as a slab yard that is designed to temporarily store slabs and other steel slabs manufactured in a continuous casting facility with heat input at an ironworks. May be. Furthermore, it may be a high-temperature heat radiation object storage yard that is designed to temporarily accumulate and store the heat held by the high-temperature heat radiation object manufactured with input of heat at various plants before being sent to the next process. For example, it may be applied to any high-temperature heat dissipating object storage yard.

  Of course, various modifications can be made without departing from the scope of the present invention.

It is a schematic perspective view which shows the case where it applies to a coil yard as one Embodiment of the high temperature thermal radiation object storage yard electric power generating apparatus of this invention. FIG. 10 is a schematic side view showing a modification of the embodiment of FIG. 1 as another embodiment of the present invention. FIG. 10 is a schematic side view showing another modification of the embodiment of FIG. 1 as still another embodiment of the present invention.

Explanation of symbols

1 Coil Yard (High Temperature Heat Dissipation Object Storage Yard)
2 Hot-rolled coil (high-temperature heat dissipation object, steel intermediate product)
3 Building 4 Exhaust tower 6 Connecting duct 7 Power generation turbine 9 Air (gas)
10 Hot Rolling Equipment 11 Building 12 Water Spray Nozzle

Claims (6)

  A required part of the building of the high-temperature heat dissipating object storage yard that is designed to temporarily accumulate and store the high-temperature heat dissipating object is connected to the lower end of the vertically extending exhaust tower provided outside the building and a connecting duct. Are connected to each other, and a power generation turbine is provided at a required portion of the exhaust tower or the connecting duct, and air that is heated in the building and generates buoyancy is guided to the exhaust tower through the connecting duct and passes through the exhaust tower. A high-temperature heat dissipating object storage yard power generation device characterized by having a configuration in which power is generated by an airflow when flowing.   A required part of the building of the high-temperature heat dissipating object storage yard that is designed to temporarily accumulate and store the high-temperature heat dissipating object is connected to the lower end of the vertically extending exhaust tower provided outside the building and a connecting duct. And a water spray nozzle for spraying water to a high-temperature heat dissipating object stored in the building is provided at a required part of the ceiling of the building, and a required part of the exhaust tower or duct. In addition to the air that is heated in the building and generates buoyancy, the water sprayed from the water spray nozzle evaporates with the heat held by the high-temperature heat dissipating body through the connecting duct. A high-temperature heat dissipating object storage yard power generation apparatus characterized by having a configuration that guides to an exhaust tower and generates electric power with an airflow when the air and water vapor flow through the exhaust tower.   The high-temperature heat dissipating object storage yard power generator according to claim 1 or 2, wherein a chimney of an existing exhaust facility is used as an exhaust tower separate from the building.   A storage yard for temporarily collecting and storing the above steel intermediate products in a building of a high temperature heat dissipation object storage yard that uses a high temperature heat radiating object as a steel intermediate product in a steelworks and is connected to the lower end of an exhaust tower via a connecting duct. The high-temperature heat dissipating object storage yard power generation device according to claim 1, 2, or 3.   The steel intermediate product as a high-temperature heat dissipating object is a hot-rolled coil manufactured at the hot rolling facility of the steel mill, and the steel intermediate product that is connected to the lower end of the exhaust tower through a connecting duct is temporarily accumulated and stored. The high-temperature heat dissipating object storage yard power generator according to claim 4, wherein the building of the storage yard as the building of the high-temperature heat dissipating object storage yard is a coil yard.   On one side of the coil yard building for temporarily storing and storing steel intermediate products that are connected to the lower end of the exhaust tower via a connecting duct, the end of the hot rolling coil unloading side of the building of the hot rolling facility The high-temperature heat dissipating object storage yard power generation device according to claim 5, wherein the high-temperature heat dissipating object storage yard power generation device is configured so as to be able to inhale through communication.

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