一、泵设计新方法计算机软件

本设计软件，实践证明，具有新、好、高、快、简等特点。

1、新，就是本设计方法与国内外现有方法不同，是一种创新方法。

2、好，就是所设计泵水力性能好，泵的效率，实践证明，比传统方法高7%~12%，在设计难度很大的高比转数混混泵和大型离心泵设计中，比转数400、500、600、700的水力模型和1400S24大型泵以及各种用途的泵，都取得成功，而且都是一次取得成功。经专家鉴定，性能达到国内领先水平，国外先进水平，国内首创。

3、高，就是成功率高，在制造保证，正确操作的条件下，可有100%的成功率。

4、快，就是利用本软件设计，可快速设计好，比传统手工设计快十几倍。

5、简，就是操作简便，技术人员、计算机初学者，使用本设计软件都可设计性能优质产品。

通过本软件的使用和学习，可迅速提高技术人员的专业设计水平和计算机使用水平。

本设计方法和M350HD-可调导叶式混流泵水力模型获机电部科技进步奖。并获国家成果证书。发表论文十几篇，数篇论文获湖北省优秀学术论文奖。

二、比转数 600，M350HD-60可调导叶式混流泵水力模型

1、技术水平

本模型通过部级鉴定，结论为：“ 600可调导叶式混流泵水力模型属国内首创，填补了我国高比转数导叶式混流泵水力模型的空白，其性能指标具有国内领先水平，根据现有资料，已达到国外先进水平。

2、用途

本模型主要用于大中小型泵站用泵的水力模型，包括新建泵站和旧泵站的改造（含混流和轴流泵旧泵站的改造），也适用热电厂循环水泵的水力模型及其他泵。

本模型现已用于徐州徐洪河工程泵站，湖北省丹江泵站，武汉东西湖泵站等。前两个泵站是新建泵站，后一泵站是旧泵站改造（原泵站的泵是轴流泵）。实践证明用本模型生产的泵运行稳定可靠，高效区宽，运行效率高，经济效益好，检修方便。

3、本模型泵的主要工作性能表（见附表1）

附表一：M350HD-60导叶混流泵模型主要工作性能表

三、比转数 500蜗壳式混流泵水力模型

1、技术水平

本模型通过部级鉴定，“性能技术指标具有国内领先水平”。

2、用途

当卧式安装时，扬程为5米左右，当立式安装时，可适当提高泵的转速，扬程为5-7米，适用于农田排灌用泵，和其他低扬程用泵。

四、比转数 400蜗壳式混流泵水力模型

1、技术水平

本模型试验结果，其性能指标具有国内领先水平，性能特优，效率 =92.7%。

2、用途

本模型泵主要用于大中小型泵站用泵，可卧式安装，亦可立式安装，当卧式安装时，适用于6-8米扬程，当立式安装时可提高泵的转速，适用于8-15米扬程。

五、比转数 700可调导叶式混流泵水力模型

1、技术水平

本模型试验结果，其性能技术指标具有国内领先水平，国内首创。

2、用途

本模型主要用于大中小型泵站水力模型，包括新建泵站和旧泵站改造（含混流泵和轴流泵旧泵站的改造），也适用热电厂循环水泵的水力模型及其他泵。 

六、各种型号优质新产品图纸

注：型号名称举例说明如下：

1、1400S27,口径1400mm，扬程27米。S—代表单级双吸中开式离心泵。

2、300HS9，口径300mm，扬程9米。HS—代表单级双吸中开式混流泵。

3、250HW—5，口径250mm，扬程5m。HW—代表单级单吸蜗壳式混流泵。

4、200HDL—40，口径200mm，扬程40m。HDL—代表立式安装，导叶式混流泵（油泵）

HW型蜗壳式混流泵节能新产品表

注：1，型号后带有“*”号为模型泵，模型泵的性能参数是试验值。

2，各种型号规格，其性能指标是模型泵换算值。

The water pump technolongical production skill’s cession of huazhong

University of science and technology

1.the computer software of the water pump designing new way:

The practice proved that this designing software take on the new,good,high,rapid and easy character.

First,new,this designing way differ from the method in existemce inside and outside ,is an innovation.

Second,good,the desigining water pump has good performance.The pump’s efficiency,proved with a lot of pracctice,is 7%-12% higher than the traditional method.The design of difficult high specific speed mixed flow pumps,big centrifugal pumps,the hydraulic model with 400,500,600 and 700specific speed and 1400s24 big pump as well as various pumps of many purposes is high up in the pictures .The capability reaches the leading level inside and the advanced level outside, which had been checked up by the experts,and the technology is the domestic initiation.

Third,high,the success ratio is very high.It can achieve 100%ratio under the guarantee of the manufacture and the comdition of right manipulation.

Fourth,rapid,designing with this software can devise rapidly.which is faster tens of times than traditional handwork design.

Fifth,easy. The manipulation is very easy.Technical personnel,including cmputer beginner,can design high quality production with this designing software.

It can boost the technical personnel’s specialty designing level and computer using level via the using and lcarning of this software.

This designing method and M350HD-adjustable diffuser mixde flow pumps hydfaulic model obtains the prize for the progress of sciemce technology of electro-engineering and the national technological production’s certification.We have publish tens of papers,and within which,some win the excellent scince paper prize in Hubei.

2.Specific speed n_s 600 ,M350HD 60 adjustable diffuser mixed flow pumps hydraulic model

2.1 Technical level

This model has passed the official identification,The conclusion is n_s 600 adjustable diffuser mixed flow pumps hydraulic model is the domestic initiation,fills up the blankness of high specific speed diffuser mixed flow pumps hydraulic model of our country.The performance guideline possesses the leading level inside,and reaches the top level outside according to the data in existence.

2.2purpose

This model is mainly used in large-scale,medium and pint-size pumping station’s hydraulic model,including the building of a new pumping station and the alteration of an old pumping station(contaning old , mixed flow and axi, al flow pumping station’s reconstruction),and fits, the circular water pump’s hydraulic mode!in thermoelectricity factory as well as other pumps.

This model has been used in Hong River project’s pumping station in Xuzhou,Dan River pumping station in Hubei, East and West lake pumping station in Wuhan etc.The fore two are new pumping stations,the altter one is old which needs alteration (the former pumping station used axial flow pump).The practice proves that the pump produced with this model is steady-going,credible running,broad using area,high efficiency,good economical benefits ,and convenient overhaul.

2.3 This model pumps’main work capability table (see table l)

Tablel:M350HD-60 adjustable diffuser mixed flow pumps model’s main work capability table

Vane angle   20   00   -20   -40 -60

Capacity L/S 488.74 478.29 441.59 433.94 385.52 381.17 353.86 347.41 310.17

Head M 10.65 11.08 10.75 11.1 9.63 9.86 8.74 9.07 8.17

Shaft Power KW 60.033 60.913 54.576 55.21 42.647 43.212 35.472 35.951 30.216

Effciency % 85.032 85.309 85.262 85.509 85.76 85.239 85.431 85.891 82.2

Cavitation Constant M   10.4 8.7 8 6.63 6.4 5.58 5.5 4.8

Specific Speed 627.6 602.7 592.4 573.3 601 587 619.36 596.86 609.9

3.Specific speed n_s 500 volute casing mixed flow pumps hydraulic model

3.1 Technical level

This model passes the offcial appraise,‘the preformance technical guideline reach the leading level inside.

3.2 Purpose

When horizontal installing,the head can reach 5 meters,when vertical installing,the pump’s rotate speed can increase relatively,and the head is 5-7 meters,which is suited for farming irrigation and drainage pump as well as other low head pumps.

4.Specific speed n_s 400 volute casing mixed flow poumps hydraulic model

4.1 Technical level

The test result of this model shows its performance guideline reach the leading level inside .The capability is excellent,effciency %

4.2 purpose

The pump of this model is mainly used in large-scale,medium and pint-size pumping station,which can be installed horizontally, vertically.When horizontal installing,the head is 6-8 meters,when vertical installing,the pump’s rotate speed can increase relatively,and the head is 8-15 meters.

5.Specific speed n_s 700 adjustable diffuser mixed flow pumps hydraulic model

5.1 Technical level

The test result of this model shows its performance guideline reach the leading level inside.

5.2 Purpose

This model is mainly used in large-scale, medium and pint-size pumping station’s water power model,including the building of a new puming statinon and the alteration of a old pumping station(containing old mixed flow and axial flow pumping station’s reconstruction),and fits the circular water pumps. Pump’s water power model in thermoelectricity factory as well as other pumps.

6.Each types of excellent new productions’blueprint

             Capacity            Rotation                  Suction

 Type          m³/s     Head      speed    Efficiency    list     Rated power

                        (m)       (r/min)      %           (m)       (kw)

1400S24        7.222     23.5      375        91           2          2000

1400S27          6       27       375        91           2          2000

1400S20          6       20       375        91           2.2        1600

1400S18          6       18       375        91           2.2        1400

300S22         0.22       22      1450        86          4.5          66

300S20         0.22       20      1450        86          4.5          60

300S15         0.22       15      1450        86          4.5         46.2

300S11         0.22       15      1450        86          4.5          34

300HS7        0.236     7.5      1450         85          4.5          25

300HS9        0.236      9       1450         85          4.5          30

500HW-9       0.65      9.2        730        91.5        5.3          77

200HDL-40      0.1       40       2950        84.5        0.7          56

Plus:model names illustrate as follows:

1.1400s27,caliber:1400mm, head:27m.S—indicates single-step double-suction vertical split centrifugal pumps.

2.300HS9,caliber:300mm, head:9m.HS—indicates single-step double-suction vertical split mixed flow pumps.

3.250HW—5,caliber:250mm,head:5m.HW-indicates single-step single-suction volute casing mixed flow pumps.

4.200HDL—40,caliber:200mm,head:40m.HDL—indicates vertical installation,diffuser mixed flow pumps(oil pumps).

HW type volute casing pumps energy-conservation new products’table

                                  Rotation                 Cavitation     Specific

Capactity    Head     speed    Efficiency    Rated power   onstant    speed

Type         m/s        (m)     (r/min)        %         (kw)        (m)      (ns)

100HW-6    0.025       6.5      2900         85.5        2.5         2.5      400 

150HW-4    0.05       4.1      1450         86.5        3          1.7      400  

200HW-6    0.1        6.5       1450         87.5         9         2.45      400   

250HW-5    0.15        5        970         88.5         10         2        400   

300HW-4    0.22       4.2       730         90          12        1.8       400   

300HW-6    0.22       6.5       970         90          20        2.4       400   

350HW-15*   0.366      15.3      1450        92.7         75        5.7       400   

400HW-5     0.4         5        580         91          25.5        1.8      400  

400HW-6     0.4        6.5       730          91          35         2.4      400  

500HW-6    0.65        6.5       580        91.5          55        2.4       400  

Plus:1. ‘*’behind the model is model pump,the model pump’s capability parameter’s with eperiment.

2.Each model’s standard,the capability guideline is the model pump’s conversion value.

Linkman:Jian lian Wu

Telephone:027-87556752

         027-63528591

Mobile phone:13414148096

            0755-83933757(shenzhen)

            020-85227893(Guangzhou)

Email:wu66666@163.com

Web address:http//www.hust.edu.com(Huazhong University of Science and Technology)

           http//energy.hust.edu.cn(the Institute of Energy and Power)

Address:the Institute of Energy and Power of Huazhong University of Science and Technology, Luoyu road 1037,wuhan,china

Zip code:430074

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