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1. 发明专利

JP2006075764A Glass melting furnace-exhaust gas treatment method and treatment apparatus 有权
标题翻译：玻璃熔炼炉 - 排气处理方法和处理装置
公开(公告)号：JP2006075764A
公开(公告)日：2006-03-23
申请号：JP2004263874
申请日：2004-09-10
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： NAGAI YOSHINORI , KATSUBE TOSHIO , INATSUNE YOSHIROU , MORITA ISATO
IPC分类号： B01D53/56 , B01D53/34 , B01D53/50 , B01D53/77
摘要： PROBLEM TO BE SOLVED: To provide a glass melting furnace-exhaust gas treatment method enabling the treatment of the exhaust gas generated from a glass melting furnace with a high reliability and a high efficiency, and its treatment apparatus. SOLUTION: (1) The glass melting furnace-exhaust gas treatment method comprises steps of adding an alkali neutralizer to the exhaust gas generated from the glass melting furnace to make the sulfur oxide in the exhaust gas to a sulfate compound, removing the produced product by a dust removing operation, thereafter, maintaining the exhaust gas temperature in the range of 200-300°C, and in supplying the exhaust gas into an exhaust gas denitrization equipment provided with a catalyst layer to remove nitrogen oxides in the exhaust gas under a reducer, injecting the reducer when the exhaust gas temperature at an outlet of the catalyst layer reaches not less than 130°C. (2) The exhaust gas treatment method comprises heating the catalyst layer of the exhaust gas denitrization equipment to not less than 100°C before the exhaust gas denitrization equipment is started up. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种能够以高可靠性和高效率处理从玻璃熔炉产生的废气的玻璃熔融炉废气处理方法及其处理装置。（1）玻璃熔融炉废气处理方法包括以下步骤：向由玻璃熔炉产生的废气中加入碱中和剂，使废气中的硫氧化物形成硫酸盐化合物，除去然后将废气温度维持在200-300℃的范围内，并将排气供给到具有催化剂层的排气脱硝装置中以除去排气中的氮氧化物在减速机下方，当催化剂层出口处的排气温度达到130℃以上时，注入还原剂。（2）废气处理方法包括在排气脱硝装置起动之前将废气脱硝装置的催化剂层加热至不低于100℃。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2001272001A BOILER EQUIPMENT 失效
公开(公告)号：JP2001272001A
公开(公告)日：2001-10-05
申请号：JP2000091723
申请日：2000-03-29
申请人： BABCOCK HITACHI KK
发明人： INATSUNE YOSHIROU , KOTAKA IKUO , KAKO HIROYUKI , SHINOZUKA NOBORU
IPC分类号： F23J15/00 , F22B31/08 , F22B37/00 , F22G7/12
摘要： PROBLEM TO BE SOLVED: To provide a boiler equipment in which turbulent or a pressure loss is not caused in a gas flow in an exhaust gas duct, operation efficiency is high, operation cost can be reduced, and the space for its installation can be saved. SOLUTION: Exhaust gas GS discharged from a boiler 1 is passed through an exhaust gas duct 15. The diameter of the duct 15 is made equal in every vertical part to simplify the structure of the duct 15, and moreover the duct 15 is constituted integrally with the boiler. Each equipment of a primary superheater 23, a first reheater 25, an economizer 12 and A/H (air preheater) 14 is disposed vertically in the duct 15. An opening 11 for pouring ammonia HN is made at a position just above the economizer 12 so that ammonia NH is mixed with the exhaust gas GS and agitated in the tube nest of the economizer 12.

3. 发明专利

JPH10216475A AMMONIA INJECTION DEVICE 失效
公开(公告)号：JPH10216475A
公开(公告)日：1998-08-18
申请号：JP2370197
申请日：1997-02-06
申请人： BABCOCK HITACHI KK
发明人： WADA TOSHIMICHI , ISHIKAWA TOMIHISA , MURATAKA TATSUO , INATSUNE YOSHIROU , MORI YOSHIMICHI
IPC分类号： B01D53/56 , B01D53/74
摘要： PROBLEM TO BE SOLVED: To accurately adjust and make operation of ammonia injection and scattering easy by arranging plural broad division distribution control valves each for an ammonia supply quantity per section in a waste duct which is divided in plural sections and connecting at least two injection pipes by which ammonia distribution control can be made per valve to the valves downstream thereof. SOLUTION: Broad division distribution valves 2 corresponding to broad divisions in a waste gas duct 6 are each provided with an orifice 3a of a flow meter, and at least two ammonia injection pipes 5 are installed per broad division distribution valve 2. Medium division distribution valve 4 is installed per ammonia injection pipe 5. First, the broad division distribution valves 2 are used to adjust NOx concentration distribution at an outlet of a denitrification device so that the average is equal per zone of the outlet zone. Since the number of the broad division distribution valves 2 is small, adjustment operation of injection scattering of ammonia is relatively easily done. Adjustment of NOx concentration varying in the broad divisions of the duct is made by the medium division distribution valves 4, and as a result, highly accurate and easy operation of injection scattering is done, and denitrificating efficiency and work efficiency are improved.

4. 发明专利

JPH08168652A EXHAUST GAS DENITRATION DEVICE 失效
公开(公告)号：JPH08168652A
公开(公告)日：1996-07-02
申请号：JP31488394
申请日：1994-12-19
申请人： BABCOCK HITACHI KK
发明人： KONISHI TOMOYUKI , INATSUNE YOSHIROU , ISHIKAWA TOMIHISA , MORII SEIJI , MUKAI MASATO
IPC分类号： B01D53/86 , B01D53/94 , B01J35/02 , B01J35/04 , B01D53/87
摘要： PURPOSE: To provide an exhaust gas denitration device which can reduce the degradation of denitrifying performance due to gas leak in a denitrifying catalys layer. CONSTITUTION: Parallel-flow type catalyst units 2 are disposed in rows in parallel with the flow of exhaust gas and the units 2 in parallel rows are placed in a plurality of stages in the direction of the flow of exhaust gas, and an inter-unit seal 4, which prevents flow of gas leaking into a gap between the parallelly disposed units 2 so as to deflect the flow of gas to the side of the unit 2, is provided at the rear of the gap to constitute a catalyst block 3. Further the blocks 3 are arranged in parallel rows and in a plurality of stages and an inter-block seal 5, which prevents flow of gas leaking into a gap between the parallelly disposed blocks 3 so as to deflect the flow of gas to the side of the block 3, is provided at the rear of the gap to constitute an exhaust gas denitrifying device, so that leakage of gas can be reduced by means of the seals 4, 5, and leak gas and denitrified gas are mixed to reduce the concentration of NOx of gas leaking to a gap in a following stage.

5. 发明专利

JPH0975672A EXHAUST GAS DENITRATION APPARATUS 失效
公开(公告)号：JPH0975672A
公开(公告)日：1997-03-25
申请号：JP23287295
申请日：1995-09-11
申请人： KANSAI ELECTRIC POWER CO , BABCOCK HITACHI KK
发明人： HOTTA ZENJI , SUDA YASUICHIROU , YONEDA YOSHITERU , NISHIKAWA TETSUTA , INATSUNE YOSHIROU , ISHIKAWA TOMIHISA , MUKAI MASATO
IPC分类号： B01D53/56 , B01D53/86 , B01D53/94
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas denitration apparatus which can remove NOx in exhaust gas efficiently. SOLUTION: This exhaust gas denitration apparatus has an ammonia injection pipe 3 which constitutes an ammonia injector which injects ammonia to exhaust gas 1 on the upstream side of the exhaust gas 1 in a duct 2 which is an exhaust gas passage and a denitration catalyst 7 on the downstream side of the exhaust gas 1. A plate-shaped exhaust gas mixing device 5 which agitates and mixes a mixed gas 4 of exhaust gas and ammonia from upstream side in sequence and an exhaust gas straightening device 6 which straightens the flow of the mixed gas are arranged between the ammonia injection pipe 3 in the duct 2 and the denitration catalyst 7.

6. 发明专利

JPH07163836A METHOD AND DEVICE FOR CONTROLLING CONCENTRATION OF NITROGEN OXIDE AND FOR DENITRATION 失效
公开(公告)号：JPH07163836A
公开(公告)日：1995-06-27
申请号：JP31351893
申请日：1993-12-14
申请人： BABCOCK HITACHI KK
发明人： WATANABE KO , INATSUNE YOSHIROU , HIRAGA HISANORI , KORENAGA NORINAO
IPC分类号： B01D53/34 , B01D53/56 , B01D53/74 , B01D53/86 , B01D53/94
摘要： PURPOSE:To prevent a frequently occurring abnormal alarm of NOx concentration and to control NOx concentration of mean value per unit time after denitration reaction of gas to be treated at the value not exceeding the regulatory value. CONSTITUTION:An NOx concentration signal inputted to an alarm 7 corresponds to the transit means NOx concentration D of (y) minute (y

7. 发明专利

JPS60132624A AMMONIA INJECTION APPARATUS 失效
公开(公告)号：JPS60132624A
公开(公告)日：1985-07-15
申请号：JP24005583
申请日：1983-12-20
申请人： BABCOCK HITACHI KK
发明人： MORI YOSHIMICHI , INATSUNE YOSHIROU
IPC分类号： B01D53/56 , F23J15/00
摘要： PURPOSE:To prevent the accumulation of dust and to stably maintain proper NH3- injection for a long period of time corresponding to the NOx- amount in a duct in vertical and horizontal directions, by extending the length of a nozzle in an NH3- injection apparatus for denitrating waste gas. CONSTITUTION:In an NH3- injection apparatus wherein an injection pipe 5 having several injection nozzles 6 arranged therein in parallel to a gas stream is arranged in a duct in order to inject NH3 into a waste gas denitrating apparatus as a reducing agent, the length of each nozzle arranged in the injection pipe 5 is extended forwardly from the stay part of gas to be treated generated by the injection pipe 5. If the length of the nozzle is set to one 2-3 times on the basis of the diameter (D) of the injection pipe, injected NH3 is carried on the gas stream to be uniformly flowed to a downstream catalyst layer and the solidification and growth of dust is prevented while each nozzle is prevented from clogging caused by the adhesion of dust to the injection part thereof.

8. 发明专利

JP2002021579A METHOD OF CONTROLLING COMBINED CYCLE PLANT PROVIDED WITH GAS TURBINE AND MUST-HEAT RECOVERY BOILER, AND CONTROLLER THEREFOR 失效
公开(公告)号：JP2002021579A
公开(公告)日：2002-01-23
申请号：JP2000205440
申请日：2000-07-06
申请人： BABCOCK HITACHI KK
发明人： MORI YOSHIMICHI , INATSUNE YOSHIROU , WATANABE KO
IPC分类号： F01K23/10 , F02C6/18 , F02C7/057 , F02C9/54
摘要： PROBLEM TO BE SOLVED: To provide a control method by which an NOX discharge amount discharged from a plant is prevented from exceeding a regulatory value even when an exhaust temperature is low in start-up of the plant, in the combined cycle plant combined with a gas turbine and an exhaust-heat recovery boiler. SOLUTION: When the combined cycle plant provided with the gas turbine 1 for driving a generator 15 the recovery boiler 3 for gas turbine exhaust, and a denitration equipment 6 built in the boiler is started up, a moving vane angle of a compressor 11 is controlled to bring the NOX discharge amount discharged from the plant into the regulatory value or less until a detected value by an exhaust gas thermometer 24 in an inlet of the denitration equipment reaches to a temperature suitable for denitraion, so as to reduce an intervane passage width, and an exhaust gas amount flowing from the gas turbine into the denitration equipment is reduced thereby to a prescribed amount or less.

9. 发明专利

JPH08187421A DENITRIFICATION DEVICE FOR SIMPLE CYCLE 失效
公开(公告)号：JPH08187421A
公开(公告)日：1996-07-23
申请号：JP16095
申请日：1995-01-05
申请人： BABCOCK HITACHI KK
发明人： INATSUNE YOSHIROU , TAKEUCHI YOSHIYUKI , MIYATAKA RYOICHI
IPC分类号： F23J15/00 , B01D53/86 , G05D23/24 , B01D53/87
摘要： PURPOSE: To make it possible to remove nitrogen oxides even under such conditions that the temperature of an exhaust gas changes rapidly. CONSTITUTION: Temperature detection means 14, 15 are respectively provided at an inlet catalyst layer 2 and an outlet catalyst layer 2, and the average temperature of the catalyst layers is calculated based on the temperatures of the inlet catalyst layer and the outlet catalyst layer which are detected by the temperature detection means 14, 15 respectively. In addition, a control means to set the timing of starting the injection of ammonia and an ammonia injection amount based on the average temperature of the catalyst layers is provided. Thus, it is possible to start an early operation of a plant while preventing the discharge of leaked excess amount of ammonia.

10. 发明专利

JPH07136465A USAGE OF DENITRATION APPARATUS FOR EXHAUST GAS CONTAINING NITROGEN DIOXIDE AND NITROGEN MONOXIDE 失效
公开(公告)号：JPH07136465A
公开(公告)日：1995-05-30
申请号：JP29360693
申请日：1993-11-24
申请人： BABCOCK HITACHI KK
发明人： INATSUNE YOSHIROU , WATANABE KO
IPC分类号： B01D53/34 , B01D53/56 , B01D53/74 , B01D53/86 , B01D53/94
摘要： PURPOSE:To provide a usage of denitration apparatus in which the temperatures for starting and stopping the denitration apparatus are made as low as possible without generating ammonium nitrate when NH3 is injected to exhaust gas containing NO2 for the catalytic reduction with a denitration catalyst. CONSTITUTION:In the catalytic reduction of NO2 and NO by the denitration catalyst in which exhaust gas 2 containing NO2 and NO is introduced to a denitration apparatus equipped with an NH3 injector 5 and a denitration catalyst 6 and injected with NH3, the percentage of NO2 to the nitrogen oxides in the exhaust gas is obtained, and an exhaust gas temperature which gives the theoretical rate of denitration obtained by the percentage is obtained from the temperature characteristic curve of the denitration catalyst to set up the exhaust gas temperatures for starting and stopping the NH3 injection based on the temperature obtained. In this way, the operation temperature of the denitration apparatus can be decreased without generating ammonium nitrate so that the total NOx discharged from HRSC, etc., can be decreased remarkably.

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