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1. 发明专利

JP2000065334A ASH HUMIDIFYING/SUPPLY APPARATUS FOR ASH MELTING FURNACE 失效
公开(公告)号：JP2000065334A
公开(公告)日：2000-03-03
申请号：JP23619098
申请日：1998-08-24
申请人： HITACHI SHIPBUILDING ENG CO
发明人： KAWAGUCHI SATOSHI , KONO TADASHI , NORITOMI KATSUYA , KIKUCHI SHINYA , HANEKI KAZUHIKO
IPC分类号： F23J1/00 , B09B3/00
摘要： PROBLEM TO BE SOLVED: To realize uniform moistening of ash and prevent any trouble from being produced owing to ash adhering to an instrument through moistening supply water. SOLUTION: There are provided a metering conveyor 11 for measuring and supplying a supply amount, an infrared water sensor 12 for measuring a water amount of ash carried by the metering conveyor 11, a moistening nozzle apparatus 14 disposed in an ash throwing space 13 between an outlet of the metering conveyor 11 and an ash hopper 6 of the ash melting furnace 1 for injecting moistening water from the surrounding of ash thrown down, and a supply controller 18 for injecting a predetermined amount of the moistening water from the moistening nozzle apparatus 14 upon supplying ash from the metering conveyor 11 to the ash hopper 6 by judging the moistening supply water from the ash supply amount of the metering conveyor 11 and a detected value of the infrared water sensor 12.

2. 发明专利

JPH05322141A ROTARY FURNACE 失效
公开(公告)号：JPH05322141A
公开(公告)日：1993-12-07
申请号：JP12398492
申请日：1992-05-18
申请人： HITACHI SHIPBUILDING ENG CO
发明人： OGINO ETSUO , SASAKI KUNIO , SHITAYA HIDEO , KONO TADASHI , FUJISAKI TOYOHISA , ITO MICHIO , KINOSHITA MASAO
IPC分类号： F23G5/20 , F23G5/44
摘要： PURPOSE:To stabilize a combustion state without changing an igniting position by a method wherein a small diameter part forming a drying zone is provided with a hopper for feeding materials to be ignited and a primary air supplying port and a stepped part between a large diameter part and a small diameter part forming a combustion zone is provided with a secondary air supplying port while being directed toward the downstream side. CONSTITUTION:A cylindrical main body of a furnace rotatably supported by a rotary supporting roller 11 is comprised of a small diameter part 2 forming a drying zone A and a large diameter part 3 forming a combustion zone B. An end plate 5 at the small diameter part 2 is provided with a feeding hopper 12 for use in feeding material C to be burned and the first supplying port 13 for primary air. An annular wall part 4 acting as a stepped part between the small diameter part 2 and the large diameter part 3 of the furnace main body 1 is provided with the second supplying port 14 for the secondary air in such a manner that the port may direct downwardly. Accordingly, the material to be ignited and fed into the small diameter part 2 is dried at the small diameter part 2, moved toward the large diameter part 3 and the material is positively burned with air supplied from the second air supplying port 14.

3. 发明专利

JPH04214109A COMBUSTION GAS MIXING STRUCTURE IN REFUSE INCINERATOR 失效
公开(公告)号：JPH04214109A
公开(公告)日：1992-08-05
申请号：JP575591
申请日：1991-01-22
申请人： HITACHI SHIPBUILDING ENG CO
发明人： SEKIGUCHI YOSHITOSHI , SASAKI KUNIO , SHITAYA HIDEO , KONO TADASHI , KONDO MAMORU
IPC分类号： F23G5/00 , F23G5/14 , F23G5/44
摘要： PURPOSE:To suppress the generation of unburned objects in the incineration of city refuse and industrial waste by forming a secondary combustion chamber into a combustion gas circulating flow chamber to form a vortex flow of fuel gas and providing a secondary air nozzle in the combustion gas staying section in the secondary combustion chamber. CONSTITUTION:A primary combustion chamber 1 with a grate 7 and a secondary combustion chamber 10 that is provided in connection with and above the chamber 1, an exhaust route 4 that leads the generated combustion gas to a flue 3, an exhaust heat recovery device 5, and a heat exchanger 6 for cooling the exhaust gas constitute a combustion gas mixing structure. And the refuse R burns by the primary air from below the grate 7, and the secondary combustion chamber 10 is provided with a secondary air supply nozzle 8 that faces the inlet 10a, and the secondary combustion chamber 10 is made a combustion gas circulating flow chamber for forming combustion gas vortex by the inlet 10a, a guide section 10b, and an outlet 10c. Therefore, the combustion gases in the upstream and in the downstream mix well in the secondary combustion chamber 10 and complete combustion is promoted, and the unburned refuse in the exhaust gas is very much reduced and the generation of dioxine can be prevented.

4. 发明专利

JPH02298716A INCINERATION ASH MELTING DEVICE 失效
公开(公告)号：JPH02298716A
公开(公告)日：1990-12-11
申请号：JP12067489
申请日：1989-05-15
申请人： HITACHI SHIPBUILDING ENG CO
发明人： SEKIGUCHI YOSHITOSHI , SASAKI KUNIO , SHITAYA HIDEO , KONO TADASHI
IPC分类号： F23J1/00
摘要： PURPOSE:To reduce the NOx content in the titled device for refuse incineration ash by respectively connecting the secondary fuel nozzle to the upstream side wall surface of the melting chamber and the exhaust gas pipe to the upstream side all surface of the supplemental air nozzle. CONSTITUTION:The melting burner 2 in the melting chamber 8 burns under a nearly stoichiometric air condition to produce exhaust gas D1 and D2. The first exhaust gas D1 which occupies most of the exhaust gas is introduced into the preheating chamber 7, and most of NOx is reduced when it is burnt and reduced in the reduction burning zone F by the secondary fuel supplied from the secondary fuel nozzle 10. Further, the combustible components are completely burnt in the complete burning zone G by supplemental air supplied from the supplemental air nozzle 11. By this constitution, NOx can be reduced, and the pollution can be reduced.

5. 发明专利

JPH0284968A WATER COOLER FOR GAS MASK 失效
公开(公告)号：JPH0284968A
公开(公告)日：1990-03-26
申请号：JP23807888
申请日：1988-09-21
申请人： HITACHI SHIPBUILDING ENG CO
发明人： NAGAI KENICHI , KOBA KAZUNORI , KONO TADASHI
IPC分类号： A62B18/02 , A62B23/02
摘要： PURPOSE:To prevent a throat damage by high-temp. air by packing a water cooling agent consisting of a water absorptive polymer contg. water into an air permeating part. CONSTITUTION:Since the water absorptive polymer contg. water forms flocculated lumps, the polymer is required to be so formed as not to impair the air permeability in order to function the polymer effectively as the water cooling agent. The examples of the water cooling agent provided with the air permeability in such a manner include the water absorptive polymer which is interposed with granular solid materials 2 between the granular materials 1 of the polymer so as to provide spaces for air permeation between the same, water absorptive polymer fibers 6 which are woven with fibers 7 of another kind so as to have spaces 8 for air permeation, the granular water absorptive polymer which is packed into a slender bag made of a fabric, and the granular water absorptive polymer which is packed into the slender cavity of a supporting piece made of a fabric. Such structure not only improves the air permeability but increases the surface area for preserving water and the contact area with gas and, therefore, the improved water cooling effect is obtd.

6. 发明专利

JP2000205527A METHOD FOR SUPPLYING ASH TO BURNER TYPE ASH MELTING FURNACE AND BURNER TYPE ASH MELTING FACILITY 失效
公开(公告)号：JP2000205527A
公开(公告)日：2000-07-25
申请号：JP859599
申请日：1999-01-18
申请人： HITACHI SHIPBUILDING ENG CO
发明人： SEKIGUCHI YOSHITOSHI , SASAKI KUNIO , MOMOTA HIDE , KAWAGUCHI SATOSHI , KONO TADASHI , SUGIURA MORIO
IPC分类号： F23G5/027
摘要： PROBLEM TO BE SOLVED: To realize fuel cost reduction of a burner type ash melting furnace by admixing a specified quantity of waste plastic to ash being melted and feeding the mixture to an ash melting furnace. SOLUTION: An ash melting furnace 1 is provided with a preheating chamber 6 and a melting chamber 7, respectively, on the upstream side and the downstream side of an inclining bottom wall 5. An ash supply unit 2 throws ash A mixed with waste plastic P into an ash hopper 13 from an ash throw-in shoot 12 and a pusher 14 feeds the ash A into the preheating chamber 6 from a bottom opening of the ash hopper 13. The pusher 14 comprises a pusher body 14a disposed retractively in a supply passage 15 coupled to the preheating chamber 6 side from the bottom opening of the ash hopper 13, and a push ring 14b for driving the pusher body 14a to advance or retract. The ash throw-in shoot 12 is branched in reverse V-shape from the central part and provided with openings 12a, 12a opening toward the left and right side walls 13a of the ash hopper 13.

7. 发明专利

JPH1038252A DUST REMOVAL EQUIPMENT FOR EXHAUST DUCT VERTICAL PART 失效
公开(公告)号：JPH1038252A
公开(公告)日：1998-02-13
申请号：JP19013896
申请日：1996-07-19
申请人： HITACHI SHIPBUILDING ENG CO
发明人： HAMABE KOHEI , KAWAGUCHI SATOSHI , KONO TADASHI , SAKATA SHIRO
IPC分类号： F23J3/02
摘要： PROBLEM TO BE SOLVED: To effectually remove dust even with a long vertical part duct and also reduce pressure loss of exhaust gas. SOLUTION: There are provided an elevation member provided elevatably in a vertical part duct 10, and an elevation driving apparatus for elevating and moving the elevation member through an elevation chane 13. The elevation member includes a pair of link arms 23 coupled rotatably around a horizontal pin 22, and scraper halved rings 21 each mounted on upper ends of both link arms 23 along an internal peripheral surface of the vertical part duct 10, a coupling chane 24 for rotatably coupling the lower ends of both link arms 23 and the elevation chane 13, and a stopper 25 for restricting an opening motion to an outer periphery side of the link arms 23 at a position near the internal peripheral surface of the vertical part duct 10.

8. 发明专利

JPH07269838A PRELIMINARY TREATMENT OF ASH 失效
公开(公告)号：JPH07269838A
公开(公告)日：1995-10-20
申请号：JP6225894
申请日：1994-03-31
申请人： HITACHI SHIPBUILDING ENG CO
发明人： ISHIDA MICHIO , KUWABARA TSUTOMU , KAWAGUCHI SATOSHI , KONO TADASHI , SASAKI KUNIO , SHITAYA HIDEO , AOKI TOMOHIRO
IPC分类号： F23J1/00
摘要： PURPOSE:To provide a method for preliminary treatment of ash wherein the moisture in the ash to be treated can be assuredly reduced by a simple process. CONSTITUTION:In a preliminary treatment path F of an ash melting furnace 1, ash to be treated A and absorbent polymer B are mixed before the ash A is led into various types of preliminary treatment devices, and the moisture quantity in the ash A is reduced. By this method, the ash A in the preliminary treatment path F of the ash melting furnace 1 is fed to the ash melting furnace 1 side without adhering to various types of devices or conveyor device 34-37, and the path wall surface, etc., of a hopper, etc., and the ash A is prevented from generating a bridge in the hopper and plugging the hopper. As the result, the ash A can be stably carried and fed to the ash melting furnace 1, and the variation of a feeding quantity to the ash melting furnace 1 can be suppressed to a minimum.

9. 发明专利

JPH07239111A PRETREATING FACILITY FOR ASH MELTING FURNACE 失效
公开(公告)号：JPH07239111A
公开(公告)日：1995-09-12
申请号：JP2924294
申请日：1994-02-28
申请人： HITACHI SHIPBUILDING ENG CO
发明人： ISHIDA MICHIO , KUWABARA TSUTOMU , KAWAGUCHI SATOSHI , KONO TADASHI
IPC分类号： F23G5/02 , F23G5/00 , F23G5/04
摘要： PURPOSE:To simplify the step of pretreating ash to be treated and to delete an installation space. CONSTITUTION:A large-sized article removing unit 2 for removing a large-sized solid matter from ash to be treated, a dry sorter 21 for removing predetermined or more solid matter from raw material ash in which the large-sized article is removed and drying the ash, and a magnetic sorter 9 for removing metals from the dried treated ash are provided on a pretreating route F of the ash to be treated to supply the ash containing a large quantity of moisture to an ash melting furnace 1. A dry air introducing tube 28 for introducing high temperature air heat-recovered from exhaust gas of the furnace 1 to the sorter 21 as drying air is provided. Thus, removing and drying of the solid matter are simultaneously conducted by the dry sorter.

10. 发明专利

JPH0684812B2 失效
公开(公告)号：JPH0684812B2
公开(公告)日：1994-10-26
申请号：JP12067589
申请日：1989-05-15
申请人： HITACHI SHIPBUILDING ENG CO
发明人： SEKIGUCHI YOSHITOSHI , SASAKI KUNIO , SHITAYA HIDEO , KONO TADASHI
IPC分类号： F23J1/00

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