专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPS58219985A Apparatus for desalting condensed water 失效
标题翻译：用于冷凝水的设备
公开(公告)号：JPS58219985A
公开(公告)日：1983-12-21
申请号：JP10065082
申请日：1982-06-14
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： NEMOTO SEIJI , TAMURA YUUHEI
IPC分类号： C02F1/42
摘要： PURPOSE: To prevent the diffusion of fine particles to a system, by a method wherein a pipeline connected to a condenser from a recirculation pump is provided with a means for controlling the flow amount of said pipeline and the concn. of dissolved oxygen at the outlet of a condensed water desalting apparatus is controlled to a limit value or less by the mixing dilution with condensed water.
CONSTITUTION: The suction side of a recirculation pump 18 is connected to the outlet side pipelines 14a, 14b of desalting towers 12a, 12b and the emitting side of the recirculation pump 18 is connected to a condensed water pipe 11 from a condenser. This condensed water pipe 11 is connected to the inlet side pipelines 11a, 11b of the desalting towers 12a, 12b to constitute a recirculation system and opening and closing valves 13a, 13b are provided to said pipelines 11a, 11b. In addition, a small diameter bypass pipe 22 is provided to a pipeline 20 connected to the condensed water pipe 11 from the recirculation pump 18 and a flow control valve 23 is provided to the bypass pipe 22 and a dissolved oxygen measuring apparatus 26 is provided to a condensed water pipe 25.
COPYRIGHT: (C)1983,JPO&Japio
摘要翻译：目的：为了防止细颗粒扩散到系统，通过一种方法，其中连接到来自再循环泵的冷凝器的管道设置有用于控制所述管道和所述管道的流量的装置。在冷凝水脱盐装置的出口处的溶解氧的浓度通过混合稀释与冷凝水控制在极限值以下。构成：再循环泵18的吸入侧连接到脱盐塔12a，12b的出口侧管道14a，14b，再循环泵18的出口侧从冷凝器连接到冷凝水管11。该冷凝水管11与脱盐塔12a，12b的入口侧管道11a，11b连接，构成再循环系统，在管路11a，11b上设有开关阀13a，13b。另外，从再循环泵18向与冷凝水管11连接的管路20设置小径旁通管22，向旁通管22设置流量调节阀23，将溶解氧测定装置26设置于冷凝水管25。

2. 发明专利

JPS6111508A Controller for quantity of water held for electric power plant 失效
标题翻译：电力设备用水量控制器
公开(公告)号：JPS6111508A
公开(公告)日：1986-01-18
申请号：JP13108584
申请日：1984-06-27
申请人： Hitachi Ltd , Hitachi Eng Co Ltd
发明人： MATSUMOTO HIDEO , ISHIMARU HITOSHI , TAMURA YUUHEI , KOBAYASHI TOSHIKI
IPC分类号： F22D5/00

3. 发明专利

JPS60248285A APPARATUS FOR DESALTING CONDENSATE 失效
公开(公告)号：JPS60248285A
公开(公告)日：1985-12-07
申请号：JP10459684
申请日：1984-05-25
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： KASHIMURA HIDEJI , TAMURA YUUHEI , KANBAYASHI TAKESHI
IPC分类号： C02F1/42 , G01N1/00
摘要： PURPOSE:To remove high-concn. dissolved oxygen in a desalting tower while carrying out the recirculation through the tower by branching a pipeline on the delivery side of a recirculating pump, connecting the branched pipe to the condensate inlet pipe of the desalting tower, and furnishing a stop valve on the branched pipe. CONSTITUTION:An inlet header 34 on the delivery side of a recirculating pump 32 is branched into pipes 35a and 35b both of which are connected respectively to each condensate inlet pipe 24a and 24b of plural desalting towers 24, and valves 36a and 36b are furnished to each pipe 35a and 35b. While the recirculation through the desalting tower 24 in one series immediately after the regeneration of resins is carried out with the recirculation inlet pipeline 35, the valve 36 of the recirculation inlet pipeline 35 of the desalting tower 24 in another series is opened, and the circulating water is passed in small portions and mixed with the condensate which is diluted. Consequently, the high-concn. dissolved oxygen is reduced to a value lower than the limit value, and the waten quality is stabilized.

4. 发明专利

JPS5798837A SAMPLE PICK UP SYSTEM 失效
公开(公告)号：JPS5798837A
公开(公告)日：1982-06-19
申请号：JP17450580
申请日：1980-12-12
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： NEMOTO SEIJI , TAMURA YUUHEI
IPC分类号： F01K13/00 , G01N1/00 , G01N1/02 , G01N1/22
摘要： PURPOSE:To pick up samples stably and continuously from a negative pressure part and to return the exhausted sample to a plant system by connecting the pipe, which is connected to the negative pressure part of a steam turbine power plant, to the pickup piping system provided with a sample recovery part whose pressure is further lower. CONSTITUTION:The vapor extracted from the turbine through a condenser 10 and an air extractor 17 is processed by an intermediate cooler 12, a low pressure side water supply heater 16 and the like in cascade mode, and recovered to the condenser 10. Drain containing most of insoluble solid materials flows into a drain pipe 19 which is connected to the heater 16 that forms a vacuum part whose pressure is negative with respect to the atomospheric pressure. A sample analyzer 22, which is connected to a drain pipe 24 of the extractor 17 whose pressure is further lower, is provided at a sample pick up pipe 20 which is connected with said pipe 19. The drain sample from the pipe 19 is picked up stably and continuously from the negative pressure part by the pressure difference regardless of a gaseous phase or a liquid phase. Furthermore, the exhausted sample from the device 22 concurrently flows into a drain pipe 18 by the pressure difference and is recovered to the condenser 10 in the plant system. Thus the excellent and positive sample pick up process is performed.

5. 发明专利

JPS60248214A FLOW RATE CONTROLLING DEVICE 失效
公开(公告)号：JPS60248214A
公开(公告)日：1985-12-07
申请号：JP10459784
申请日：1984-05-25
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： SHIOZAWA YOSHIHIRO , ISHIMARU HITOSHI , TAMURA YUUHEI , UENO TAKESHI , NONAKA SETSUO
IPC分类号： B01D35/147 , B01D35/14 , B01D37/04 , F22B11/00 , F22D11/00
摘要： PURPOSE:To maintain a flow rate in a condensate line at a fixed value and to execute stable operation by adding a flow meter, a flow rate controlling valve, and a controlling device therefor to a by-path pipe line provided in parallel to plural filters. CONSTITUTION:A flow meter 42, a flow rate controlling valve 51, and a controlling device therefor are provided as constituting members of a by-path pipe line enabling flow rate control during operation using the by-path line. Namely, in the case of complete by-path operation, the flow meter 41 and the flow meter 42 are controlled so as to obtain a set flow rate inputted to a setter 103. Further, as the by-path flow rate controlling device is required to be in a nonoperating condition when the whole filters 11 are in operation, a connector 120 is provided to the upstream side of a controller 123 where the signal from the controller 102 is inputted to detect whether one filter 11 is in suspended condition or not by a detector 121. When there is a suspending filter, the connector 120 is operated and the signal from the controller 102 is transmitted to the controller 123.

6. 发明专利

JPS59154118A Filter 失效
标题翻译：过滤
公开(公告)号：JPS59154118A
公开(公告)日：1984-09-03
申请号：JP2770483
申请日：1983-02-23
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： SHIOZAWA YOSHIHIRO , TAMURA YUUHEI , UENO TAKESHI
IPC分类号： B01D37/04 , B01D37/00 , G21C19/30 , G21C19/307
摘要： PURPOSE: To control easily the supply of feed liquid to be treated to each filter by providing a pipe loss generating device to branch pipes connecting plural filters having different liquid passing times which are installed in parallel between an inlet header and an outlet header with each of above-mentioned header.
CONSTITUTION: A flowmeter 14, an inlet valve 16 and an orifice 56 for generating pipe loss are provided to an inlet branch pipe 12 for introducing the feed liquid to be treated flowing in an inlet header 10 into filters 20A, 20B...20N. The operating condition of each filter 20A, 20B...20N is inspected by detecting the differential pressure of each filter obtained from a differential pressure gage 34. Since the feed liquid to be treated passes through the orifice 56 in the flow of each series, the differential pressure caused by piping, valves and orifices is increased as compared with before and the differential pressure in each filter is relatively decreased. In this way, the flow rate to each filter can easily be controlled.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：为了控制每个过滤器的供给液体的供应，通过将管道损失产生装置设置成连接多个具有不同液体通过时间的过滤器的分支管道，分配管道并排安装在入口集管和出口集管之间，上述标题。构成：用于产生管道损失的流量计14，入口阀16和孔56被提供到入口支管12，用于将待处理的进料液体在入口集管10中流入过滤器20A，20B ... 20N。通过检测由差压计34获得的每个过滤器的压差来检查每个过滤器20A，20B ... 20N的操作状态。由于待处理的进料液体在每个系列的流程中通过孔口56，与以前相比，由管道，阀门和孔口引起的压差增加，并且每个过滤器中的压差相对降低。以这种方式，可以容易地控制到每个过滤器的流量。

7. 发明专利

JPS57130520A BACKWASHING METHOD FOR FILTER AND SYSTEM THEREFOR 失效
公开(公告)号：JPS57130520A
公开(公告)日：1982-08-13
申请号：JP1566481
申请日：1981-02-06
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： SUZUKI SHIYUNICHI , TAMURA YUUHEI
IPC分类号： B01D37/04
摘要： PURPOSE:To efficiently backwash a filter bed, in a filter for a thermal power station, by feeding high-temperature compressed water into the filter so that a gaseous phase is formed above the filter bed, and then decompressing the interior of the filter to flash the high-temperature compressed water. CONSTITUTION:An inlet valve 23 and an outlet valve 28 are closed, and condensed water remaining inside a filter 25 is drained by opening a drain valve 44. A steem-stop valve 42 is completely opened to form a steam layer at the upper portion of the filter. After the laps of a fixed period, the drain valve 44 is closed. When a pressure inside the filter reaches a fixed level, the steam-stop valve 42 is closed. A water-stop valve 46 is opened, and high-temperature compressed water is gradually charged from a deaerating tank 15 into the filter 25. When the high-temperature compressed water reaches an upper portion higher than the upper end of an inner filler 107, a blow valve 48 is rapidly opened so that the interior of the filter is instantaneously decompressed to the atmospheric pressure. Consequently, the warm water is flashed, and the inner filler 107 is backwashed.

8. 发明专利

JPS5351314A WATER CIRCULATING SYSTEM 失效
公开(公告)号：JPS5351314A
公开(公告)日：1978-05-10
申请号：JP12492176
申请日：1976-10-20
申请人： HITACHI LTD
发明人： TAMURA YUUHEI
IPC分类号： F28B9/04
摘要： PURPOSE:Installation of a power consuming system to consume total water head which is in the procession of cooling water at the discharging extremity of cooling water into a water drain tank facilitates to control cooling water pressure at the highest part of all the system within the range of its capacity together with preventing water column separation or engenderment of air stagnation.

9. 发明专利

JPS5811019A PRECOATING TYPE FILTER DEVICE 失效
公开(公告)号：JPS5811019A
公开(公告)日：1983-01-21
申请号：JP10826081
申请日：1981-07-13
申请人： HITACHI LTD
发明人： TAMURA YUUHEI , KASHIMURA HIDEJI
IPC分类号： B01D37/02 , B01D37/04
摘要： PURPOSE:To reduce the number of installation of holding pumps, and to hold and circulate filter medium layers rationally by reducing the losses of fluid resistance in the inlet and outlet pipes for the holding pumps as well as inlet and outlet main pipe systems for holding and circulation thereby giving holding and circulating flow. CONSTITUTION:A main pipe common to the inlet parts of all filters 11 is provided. Similarly a common main pipe is provided to their outlet parts as well. Holding pumps are made usable commonly for all the filters 11. More specifically, the circulating flow discharged from holding pumps 51 flows through pump outlet valve 52, then through pipes 54 branched from an inlet main pipe 53 for holding and circulation and valves 55, passes through inlet pipes 15 of filters and enters the filters 11. Since the holding and circulating flow for preventing stripping of filter medium layers is given to all the filters 11 from the pumps 51 provided commonly to the filters 11, the number of installation of the pumps 5 is reduced and the apparatus disposition, etc. are made simple.

10. 发明专利

JPS551514A OPERATION CONTROL METHOD OF CONDENSED WATER FEEDWATER SYSTEM 失效
公开(公告)号：JPS551514A
公开(公告)日：1980-01-08
申请号：JP7378878
申请日：1978-06-20
申请人： HITACHI LTD
发明人： TAMURA YUUHEI
IPC分类号： F22D5/32 , G21D3/08

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式