CN102979758A - Axial flow pump impeller for chemical reactor - Google Patents
Axial flow pump impeller for chemical reactor Download PDFInfo
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- CN102979758A CN102979758A CN2012105867470A CN201210586747A CN102979758A CN 102979758 A CN102979758 A CN 102979758A CN 2012105867470 A CN2012105867470 A CN 2012105867470A CN 201210586747 A CN201210586747 A CN 201210586747A CN 102979758 A CN102979758 A CN 102979758A
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- flow pump
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Abstract
The invention provides an axial flow pump impeller for a chemical reactor. The axial flow pump impeller comprises a hub and blades, wherein the blades are fixedly connected to the outer circle of the hub; five blades are available and uniformly distributed on the outer circle of the hub; the external diameter of the hub is 430 mm; the external diameter of the impeller is 830 mm; chord lengths of five radial sections of each blade at different impeller diameters of 430 mm, 530 mm, 630 mm, 730 mm and 830 mm are respectively 257 mm, 291 mm, 317 mm, 333 mm and 339 mm; and blade placing angles at the five radial sections of each blade are respectively 38.93 degrees, 27.41 degrees, 20.83 degrees, 16.56 degrees and 13.57 degrees. The axial flow pump impeller has the advantages as follows: as the technical scheme is adopted, the impeller can stand the test of operation at high temperature; moreover, a matched axial flow pump also accurately reaches designated flow value and lift value. Process requirements of the chemical reactor in actual working can be satisfied; and the axial flow pump impeller further has the advantages of high efficiency, energy saving and high reliability.
Description
Technical field
The invention belongs to a kind of axial-flow pump, particularly relate to a kind of axial-flow pump impeller used for chemical reactor.
Background technique
Present advancing by leaps and bounds along with chemical production technical, to the requirement of chemical reactor also more and more to the future development of large scale, large flow, therefore, to both at home and abroad being that the performance requirement of axial-flow pump of matched with chemical reactor is also more and more accurate, require the flow for its supporting axial-flow pump, the validity of lift also will increase substantially.But going back neither one is that 450 ℃, flow are Q=5800m in the strict operating temperature of specific chemical reactor requirement
3/ h, lift are that H=4.0m, rotating speed are the axial-flow pump impeller under the n=420rpm condition.
Summary of the invention
The purpose of this invention is to provide a kind of strict operating temperature in specific chemical reactor requirement and be 450 ℃, flow is Q=5800m
3/ h, lift are that H=4.0m, rotating speed are the axial-flow pump impeller under the n=420rpm condition.
Technological scheme of the present invention is: a kind of axial-flow pump impeller used for chemical reactor, comprise wheel hub and the blade that is connected on the described wheel hub cylindrical, described blade is 5, is evenly distributed on the described wheel hub cylindrical, the external diameter of described wheel hub is 430 millimeters, and described impeller outer diameter is 830 millimeters; When the shaft axis intersection point place of every blade radial center line and described wheel hub in described 5 blades is zero point, each blade respectively 430 millimeters in impeller, 530 millimeters, 630 millimeters, 730 millimeters, 830 millimeters the different-diameter place first, second, third and fourth, 55 radially the chord length of section be respectively 257 millimeters, 291 millimeters, 317 millimeters, 333 millimeters, 339 millimeters; Angle between blade radial section X-axis and the chord of blade is the laying angle of blade radial section for this reason, and first, second, third and fourth of every a slice blade, 55 the radially blade angle of section part are respectively: 38.93 °, 27.41 °, 20.83 °, 16.56 °, 13.57 °; At this each blade Y-direction and described hub spindle to consistent, directions X is each radially cross section diameter place circumferencial direction, its first, second, third and fourth, 55 radially section blade airfoil coordinate is as follows respectively at the X of working surface one side and the back side some geometry of position parameters of one side, Y numerical value:
Section one (unit: millimeter) radially
Section two (unit: millimeter) radially
Section three (unit: millimeter) radially
Section four (unit: millimeter) radially
Section five (unit: millimeter) radially
Advantage and good effect that the present invention has are:
Owing to adopt technique scheme, the test that impeller can stand to move under the high temperature, and also accurately reached the flow of appointment and the numerical value of lift for its supporting axial-flow pump.Can satisfy chemical reactor technological requirement in real work fully, be an axial-flow pump impeller that meets the requirements fully.It has efficient, energy-conservation and high reliability.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is plan view of the present invention;
Fig. 3 is the schematic representation of section four radially among the present invention;
Fig. 4 is 5 laying angle schematic representation of section radially among the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and the specific embodiments.
As shown in Figures 1 to 4, the present invention includes wheel hub 6 and be connected in equally distributed 5 blades 7 on described wheel hub 6 cylindricals, the outer diameter D h of described wheel hub 6 is 430 millimeters, and described impeller outer diameter Dt is 830 millimeters; When the shaft axis intersection point place of every blade 7 radial centre lines in described 5 blades 7 and described wheel hub 6 is zero point, blade 7 respectively 430 millimeters in impeller, 530 millimeters, 630 millimeters, 730 millimeters, 830 millimeters the different-diameter place first, second, third and fourth, 55 radially section 1,2,3,4,5 chord length L are respectively L1=257 millimeter, L2=291 millimeter, L3=317 millimeter, L4=333 millimeter, L5=339 millimeter; Blade 7 is the laying angle of blade radial section for this reason of the angle between section X-axis and the chord of blade L radially, first, second, third and fourth of every a slice blade 7,55 the radially blade angle of section part are respectively: 38.93 °, 27.41 °, 20.83 °, 16.56 °, 13.57 °, be the angle of string L1 and X1 axle, string L2 and X2 axle, string L3 and X3 axle, string L4 and X4 axle, string L5 and X5 axle among Fig. 4, directions X is each radially cross section diameter place circumferencial direction; When the Y-direction of each blade 7 and described wheel hub 6 are axially consistent, its first, second, third and fourth, 55 radially section blade 7 aerofoil coordinates distinguish as follows at X, the Y numerical value of working surface one side and the back side some geometry of position parameters of one side:
Section one (unit: millimeter) radially
Section two (unit: millimeter) radially
Section three (unit: millimeter) radially
Section four (unit: millimeter) radially
Section five (unit: millimeter) radially
The result of this vertical fused salt axial-flow pump testing property is as follows:
Beginning and ending time:
2007Year
9Month
4Day
Testing location: Tianjin City Huabang Science and Technology Development Co., Ltd.'s test site
Testing apparatus: the axial-flow pump Special testing device that meets (GB/T3216-1989) code requirement:
Flowmeter: LWCQ type plug-in type turbine flow transducer precision: ± 1.5%
XLF---50 type intelligent flow display precision: ± 1 pulse
The waterpower test result:
| Sequence number | Pressure (m) | Flow (m 3/h） |
| 1 | 4.1 | 5740 |
| 2 | 4.0 | 5850 |
| 3 | 3.9 | 5930 |
| Average | 4.0 | 5840 |
Meet design requirement.
Above embodiment has been described in detail the present invention, but described content only is preferred embodiment of the present invention, can not be considered to be used to limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (1)
1. axial-flow pump impeller used for chemical reactor, comprise wheel hub and the blade that is connected on the described wheel hub cylindrical, it is characterized in that: described blade is 5, is evenly distributed on the described wheel hub cylindrical, the external diameter of described wheel hub is 430 millimeters, and described impeller outer diameter is 830 millimeters; When the shaft axis intersection point place of every blade radial center line and described wheel hub in described 5 blades is zero point, each blade respectively 430 millimeters in impeller, 530 millimeters, 630 millimeters, 730 millimeters, 830 millimeters the different-diameter place first, second, third and fourth, 55 radially the chord length of section be respectively 257 millimeters, 291 millimeters, 317 millimeters, 333 millimeters, 339 millimeters; Angle between blade radial section X-axis and the chord of blade is the laying angle of blade radial section for this reason, and first, second, third and fourth of every a slice blade, 55 the radially blade angle of section part are respectively: 38.93 °, 27.41 °, 20.83 °, 16.56 °, 13.57 °; At this each blade Y-direction and described hub spindle to consistent, directions X is each radially cross section diameter place circumferencial direction, its first, second, third and fourth, 55 radially section blade airfoil coordinate is as follows respectively at the X of working surface one side and the back side some geometry of position parameters of one side, Y numerical value:
Section one (unit: millimeter) radially
Section two (unit: millimeter) radially
Section three (unit: millimeter) radially
Section four (unit: millimeter) radially
Section five (unit: millimeter) radially
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105867470A CN102979758A (en) | 2012-12-28 | 2012-12-28 | Axial flow pump impeller for chemical reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105867470A CN102979758A (en) | 2012-12-28 | 2012-12-28 | Axial flow pump impeller for chemical reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102979758A true CN102979758A (en) | 2013-03-20 |
Family
ID=47854048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105867470A Pending CN102979758A (en) | 2012-12-28 | 2012-12-28 | Axial flow pump impeller for chemical reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102979758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236726A (en) * | 2018-07-31 | 2019-01-18 | 江苏大学镇江流体工程装备技术研究院 | A kind of higher specific speed axial-flow pump impeller angle of outlet and Thickness Design Method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131815A (en) * | 1989-10-24 | 1992-07-21 | Mitsubishi Jukogyo Kabushiki Kaisha | Rotor blade of axial-flow machines |
| CN1598325A (en) * | 2004-08-19 | 2005-03-23 | 保定多田冷却设备有限公司 | Low-noise strong blast volume axial-flow fan |
| JP2005188397A (en) * | 2003-12-25 | 2005-07-14 | Mitsubishi Heavy Ind Ltd | Axial-flow pump |
| JP2007071117A (en) * | 2005-09-07 | 2007-03-22 | Torishima Pump Mfg Co Ltd | Impeller of axial-flow pump |
| CN101749268A (en) * | 2010-02-24 | 2010-06-23 | 天津市华邦科技发展有限公司 | Axial flow pump impeller matched with chemical reactor for use |
| CN101893002A (en) * | 2010-02-24 | 2010-11-24 | 天津市华邦科技发展有限公司 | Axial-flow pump impeller used for chemical reactor |
-
2012
- 2012-12-28 CN CN2012105867470A patent/CN102979758A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131815A (en) * | 1989-10-24 | 1992-07-21 | Mitsubishi Jukogyo Kabushiki Kaisha | Rotor blade of axial-flow machines |
| JP2005188397A (en) * | 2003-12-25 | 2005-07-14 | Mitsubishi Heavy Ind Ltd | Axial-flow pump |
| CN1598325A (en) * | 2004-08-19 | 2005-03-23 | 保定多田冷却设备有限公司 | Low-noise strong blast volume axial-flow fan |
| JP2007071117A (en) * | 2005-09-07 | 2007-03-22 | Torishima Pump Mfg Co Ltd | Impeller of axial-flow pump |
| CN101749268A (en) * | 2010-02-24 | 2010-06-23 | 天津市华邦科技发展有限公司 | Axial flow pump impeller matched with chemical reactor for use |
| CN101893002A (en) * | 2010-02-24 | 2010-11-24 | 天津市华邦科技发展有限公司 | Axial-flow pump impeller used for chemical reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236726A (en) * | 2018-07-31 | 2019-01-18 | 江苏大学镇江流体工程装备技术研究院 | A kind of higher specific speed axial-flow pump impeller angle of outlet and Thickness Design Method |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130320 |