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Journal of Drainage and Irrigation Machinery Engin
 
2001 Vol.19 Issue.6
Published 2001-11-25

article
Article
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2001 Vol. 19 (6): 3-6 [Abstract] ( 906 ) [HTML 1KB] [ PDF 228KB] ( 565 )
7 Main existing Problem and Key Technology to be solvedof Pump Industry in China
SHI Wei-dong, YUAN Shou-qi, LI Shi-ying, ZHANG Wen-tao
This paper analyses the main existing problem and countermeasures existed in research andproduction department of pump industry in China .The key technology to be solved of pump industry in Chinaare inquired into . The technical center of fluid machinery engineering of the authors is willing to makepositive contributions for the development of pump industry in China .
2001 Vol. 19 (6): 7-9 [Abstract] ( 969 ) [HTML 1KB] [ PDF 145KB] ( 648 )
10 InnovationThe Original Power of Enterprises Development
XU Ling, DING Ke
Base on the demanding of economic golbalization, a new idea that innovation is the originalpower of enterprise development is offered. The immanent innovation in concept, system ,management ,technic and culture of enterprise are discussed.
2001 Vol. 19 (6): 10-11 [Abstract] ( 871 ) [HTML 1KB] [ PDF 95KB] ( 716 )
12 Research of Centrifugal Low-consistency Stock Pump
LI Hong, ZHU Rong-sheng, CAO Wei-dong
The paper analyses the structures and characteristics of all kinds of centrifugal low-consistencystock pumps used in pulp and paper industry now in our country, and the special structures and design methodsare emphasized of stock pump with open or semi-open impeller .
2001 Vol. 19 (6): 12-14 [Abstract] ( 958 ) [HTML 1KB] [ PDF 130KB] ( 867 )
15 Research the Designing Method of Semi-opened Sewage Pump Impeller
CONG Xiao-qing, YUAN Shou-qi, YUAN Dan-qing
According to the experimental study on varied blade numbers of semi-opened impeller, thispaper researches the designing method of semi-opened impeller, introduces the experience formula and theexperience parameters during the procedure of designing impeller. The effect of the blade numbers and theblade edge clearances on the pump performance are studied in detail and some problems met in the procedureare discussed.
2001 Vol. 19 (6): 15-16 [Abstract] ( 1069 ) [HTML 1KB] [ PDF 123KB] ( 1240 )
17 Development on 40ZCB-16 TypeNo-leakage Self-suction Magnetic Chemical Pump
LIU Jian-rui
The operation principle of 40ZCB-16 type non-leakage self-suction magnetic chemical pumpas well as its outer-mixed type structural and hydraulic designing methods is put forward in this paper. Thetest results for this pump show that the designing process of this way is reasonable, reliable and has moreadvantage features.
2001 Vol. 19 (6): 17-19 [Abstract] ( 993 ) [HTML 1KB] [ PDF 119KB] ( 676 )
19
2001 Vol. 19 (6): 19-19 [Abstract] ( 843 ) [HTML 1KB] [ PDF 41KB] ( 564 )
20 Solving Optimal Moving Path for Drilling Multi-holesBased on Hybrid Genetic Algorithm
LI li
The problems of pump cover and pump flat act drilling multi-holes are all problems of drillingoptimal path, the moving path is gained by x and y coordinate of hole position and obvious it is not the best wayto be get from automatic code soft. Mathematics model of the optimal path is built in this paper and got a batterresult in solving for drilling multi-holes by hybrid genetic algorithms.
2001 Vol. 19 (6): 20-22 [Abstract] ( 1113 ) [HTML 1KB] [ PDF 128KB] ( 622 )
23 Water-saving Irrigation and Enviroment Protection
FANG De-kang, HOU Su-juan, CAI -bin
Aiming at the actualities of our country’s enviroment protecting, and combinating with thedevelopment of drainage and irrigation industry, the close relations between water-saving irrigation andenviroment protecting are stated , and several opinions which were worth to be thinking deeply are given.
2001 Vol. 19 (6): 23-24 [Abstract] ( 1269 ) [HTML 1KB] [ PDF 147KB] ( 834 )
25 Research and Application on the Technology of Sewage Microirrigation on the Pergola in the Drought City
WANG Ying, FAN Zong liang, FENG Huixia, ChEN Mingyi
It is discussed the technology of pergola on the city road sewage irrigation scheduling under alimited water in this paper. It analyzes applied benefit by the application. The new ways of sewage disposalafter treatment is sought. It can be considered to be one stone for many birds.
2001 Vol. 19 (6): 25-27 [Abstract] ( 1263 ) [HTML 1KB] [ PDF 129KB] ( 631 )
28 Simulated Annealing Algorithm for Pumping Station Optimization
YANG Peng, JI Xiao-hua, SHI Wang-wang
A Simulated Annealing Algorithm for pumping station optimization is presented in thispaper. The mathematics model is established for pumping station optimizations and the encoding,decoding and energy expressions considering restriction are also provided. The results of simulationexample show SA Algorithm is efficient in optimization for hybrid of discrete and continuousvariables.
2001 Vol. 19 (6): 28-30 [Abstract] ( 1106 ) [HTML 1KB] [ PDF 124KB] ( 587 )
31 A Simple System of Pump Units Used for Isobaric Water Supplying
CAO Wei-dong, ZHU Rong-sheng, SHI Wei-dong, PAN Wei-dong
A parallel connection system of pump units pipeline system and working principle are presented.The working logic relation of each section has been analyzed with the changing of outer water supply. Some questionscan be solved by this system, for example, pumps racing when the pressure of inlet is negative, pumps erodingwhen the rotating parts was stationary if the pressure of inlet is positive.
2001 Vol. 19 (6): 31-32 [Abstract] ( 1079 ) [HTML 1KB] [ PDF 131KB] ( 938 )
33 Reformation Practice for Pump Station of Jianbi Power Plant
LI Ming-yi, Zhao Wen-bin, Pang Wei
For settling the problem in supplying shaft-seal water to slurry pumps , the authors have calculatedequipment specific property for Songlinshan pump station of Jianbi Power plant . On the basis of detailed analysisand proof,the authors determine the reformatory plan for pump station, optimize the designing of the pump impeller.
2001 Vol. 19 (6): 33-35 [Abstract] ( 1000 ) [HTML 1KB] [ PDF 115KB] ( 679 )
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2001 Vol. 19 (6): 36-37 [Abstract] ( 797 ) [HTML 1KB] [ PDF 88KB] ( 562 )
38 A kind of Switched Reluctance Motor Drive System for Pump
SUN Yu-xin
A digital current control technique of a Switched Reluctance Motor(SRM)is introduced.The hardware and software for Switched Reluctance Motor is designed by a digital signal processor (DSP)TMS320F240 . It has been proved by experiments that the system performs a satisfactory character in speedregulation and the controlling behavior. Constant torque and high speed running are realized by using SRM tothe pump speed-controlling system. The efficiency of pump is further improved.
2001 Vol. 19 (6): 38-40 [Abstract] ( 976 ) [HTML 1KB] [ PDF 130KB] ( 1291 )
41 Resisting Interference Technical in Testing Electrical Machinery
LIU Hai-yan
In order to raise the test precision of pump and electrical machinery, analyze the interference sourceof computers in electrical machinery test and put forward appropriate measures for resisting interference.
2001 Vol. 19 (6): 41-43 [Abstract] ( 897 ) [HTML 1KB] [ PDF 125KB] ( 666 )
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2001 Vol. 19 (6): 44-45 [Abstract] ( 947 ) [HTML 1KB] [ PDF 92KB] ( 534 )
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2001 Vol. 19 (6): 45-45 [Abstract] ( 851 ) [HTML 1KB] [ PDF 53KB] ( 723 )
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2001 Vol. 19 (6): 46-47 [Abstract] ( 788 ) [HTML 1KB] [ PDF 102KB] ( 662 )
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