CN101749268A - Axial flow pump impeller matched with chemical reactor for use - Google Patents
Axial flow pump impeller matched with chemical reactor for use Download PDFInfo
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- CN101749268A CN101749268A CN201010112771A CN201010112771A CN101749268A CN 101749268 A CN101749268 A CN 101749268A CN 201010112771 A CN201010112771 A CN 201010112771A CN 201010112771 A CN201010112771 A CN 201010112771A CN 101749268 A CN101749268 A CN 101749268A
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Abstract
The invention relates to an axial flow pump impeller matched with a chemical reactor for use. The outer diameters of the impeller and a hub are 898mm and 543mm respectively, six blades are arranged on the excircle of the hub, five radial cross sections of the blades are respectively located at 0.543mm, 0.632mm, 0.720mm, 0.809mm and 898mm of the impeller, mounting angles of the five radial cross sections are 25.31 degrees, 19.71 degrees, 15.89 degrees, 13.06 degrees and 10.94 degrees, chord lengths of the five radial cross sections are 0.231mm, 0.253mm, 0.271mm, 0.285mm and 0.294mm, and X/Y numerical values of blade wing surface of the five radial cross sections are given. By adopting the impeller formed by accurate shapes of the six blades, the impeller can stand the test under high-temperature operation, and the axial flow pump matched with the impeller also can accurately achieve the numerical values of the specified flow rate and the lift. The impeller can fully meet the technological requirements of the chemical reactor in actual work, is a fully desirable axial flow pump impeller and has high efficiency, energy conservation 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 matched with chemical reactor for use.
Background technique
Present advancing by leaps and bounds along with chemical production technical, requirement to chemical reactor also more and more develops to the direction of large scale, big 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 the operating temperature of going back the strictness that neither one requires at specific chemical reactor is 450 ℃, flow is Q=5760m
3/ h, lift are that H=4.5m, rotating speed are the axial-flow pump impeller under the n=420r/min condition.
Summary of the invention
The present invention is that 450 ℃, flow are Q=5180m for the operating temperature that solves the technical problem that exists in the known technology and provide a kind of strictness that requires at specific chemical reactor
3/ h, lift are that H=4.3m, rotating speed are the axial flow pump impeller matched with chemical reactor for use under the n=420r/min condition.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is: it includes impeller hub and the blade that is connected on the described wheel hub cylindrical, said impeller outer diameter is 898 millimeters, the external diameter of described wheel hub is 543 millimeters, and the described blade that is evenly distributed on the described wheel hub cylindrical is 6; When the shaft axis intersection point place of each blade radial center line and described wheel hub in described 6 blades is zero point, first, second, third and fourth of each blade, 55 radially section respectively at 0.543,0.632,0.720,0.809,898 millimeter different-diameter place of impeller; First, second, third and fourth of described each blade, 55 the radially chord length of section are respectively 0.231 millimeter, 0.253 millimeter, 0.271 millimeter, 0.285 millimeter, 0.294 millimeter; Angle between blade radial section X-axis and the chord of blade is the laying angle of blade radial section for this reason, like this first, second, third and fourth of each blade, 55 radially the blade angle of section part be respectively: 25.31 °, 19.71 °, 15.89 °, 13.06 °, 10.94 °; 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 1 unit radially: millimeter
Advantage and good effect that the present invention has are: owing to adopted of the present invention by the accurate impeller that constitutes such as leaf of 6 blades, impeller can stand the test of operation under the high temperature, and has 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 a structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is 5 laying angle schematic representation of section radially among Fig. 1.
Embodiment
For further understanding content of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
As shown in Figure 1, 2, 3, on the wheel hub 6 of impeller, evenly distribute and hard-wired have 6 blades, 7. wheel hubs 6 outer diameter D h be 543 millimeters, the impeller outer diameter Dt that 6 blades 7 are installed on wheel hub 6 is 898 millimeters, when the shaft axis intersection point place of each blade 7 radial centre lines and impeller hub 6 is zero point, first, second, third and fourth of blade 7, five, five sections (being 1,2,3,4,5 among Fig. 1 and Fig. 3) radially are respectively at 0.543,0.632,0.720,0.809,898 millimeter different-diameter place of impeller; Angle between blade radial section X-axis and the chord of blade is the laying angle of blade radial section for this reason, first, second, third and fourth of each blade 7, five like this, five radially the blade angle of section part be respectively: 25.31 °, 19.71 °, 15.89 °, 13.06 °, 10.94 °, be among Fig. 3 five radially string L1, L2, L3, L4, L5 and X1, X2, X3, X4, the angles between the X5 axle of section, X-axis direction is each radially diameter place circumferencial direction of section; Five of blade 7 radially the chord length of section be respectively L1=0.231 millimeter, L2=0.253 millimeter, L3=0.271 millimeter, L4=0.285 millimeter, L5=0.294 millimeter=; Axial consistent when the Y direction of each blade 7 and wheel hub 6, X-axis direction is that each is radially during the diameter place circumferencial direction of section, its first, second, third and fourth, five, five, five radially section blade airfoil coordinate is as follows respectively at X, the Y numerical value of working surface one side and the back side some geometry of position parameters of one side:
Section 1 unit radially: millimeter
The result of this vertical fused salt axial-flow pump testing property is as follows:
Beginning and ending time:
2009Year
6Month
18Day
Testing location: Tianjin City Huabang Science and Technology Development Co., Ltd.'s test site
Testing apparatus: the axial-flow pump special test 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 | ??4.2 | ??5260 |
| ??2 | ??4.3 | ??5190 |
| ??3 | ??4.4 | ??5130 |
| Average | ??4.3 | ??5193 |
Claims (1)
1. axial flow pump impeller matched with chemical reactor for use, it includes impeller hub and the blade that is connected on the described wheel hub cylindrical, it is characterized in that: said impeller outer diameter is 898 millimeters, and the external diameter of described wheel hub is 543 millimeters, and the described blade that is evenly distributed on the described wheel hub cylindrical is 6; When the shaft axis intersection point place of each blade radial center line and described wheel hub in described 6 blades is zero point, first, second, third and fourth of each blade, 55 radially section respectively at 0.543,0.632,0.720,0.809,898 millimeter different-diameter place of impeller; First, second, third and fourth of described each blade, 55 the radially chord length of section are respectively 0.231 millimeter, 0.253 millimeter, 0.271 millimeter, 0.285 millimeter, 0.294 millimeter; Angle between blade radial section X-axis and the chord of blade is the laying angle of blade radial section for this reason, like this first, second, third and fourth of each blade, 55 radially the blade angle of section part be respectively: 25.31 °, 19.71 °, 15.89 °, 13.06 °, 10.94 °; 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:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101127711A CN101749268B (en) | 2010-02-24 | 2010-02-24 | Axial flow pump impeller matched with chemical reactor for use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101127711A CN101749268B (en) | 2010-02-24 | 2010-02-24 | Axial flow pump impeller matched with chemical reactor for use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101749268A true CN101749268A (en) | 2010-06-23 |
| CN101749268B CN101749268B (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101127711A Expired - Fee Related CN101749268B (en) | 2010-02-24 | 2010-02-24 | Axial flow pump impeller matched with chemical reactor for use |
Country Status (1)
| Country | Link |
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| CN (1) | CN101749268B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979758A (en) * | 2012-12-28 | 2013-03-20 | 天津市华邦科技发展有限公司 | Axial flow pump impeller for chemical reactor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201366U (en) * | 1986-03-05 | 1987-02-25 | 山东省国营济南风机厂 | Low-pressure axial flow blower |
| CN1316164C (en) * | 2004-08-19 | 2007-05-16 | 保定天威集团有限公司 | Low-noise strong blast volume axial-flow fan |
| CN101629583A (en) * | 2009-06-23 | 2010-01-20 | 江苏大学 | Methods for calculating and thickening profile of impeller vane of axial flow pump |
-
2010
- 2010-02-24 CN CN2010101127711A patent/CN101749268B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979758A (en) * | 2012-12-28 | 2013-03-20 | 天津市华邦科技发展有限公司 | Axial flow pump impeller for chemical reactor |
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| Publication number | Publication date |
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| CN101749268B (en) | 2011-07-27 |
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Granted publication date: 20110727 Termination date: 20120224 |