CN103511329A - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
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- CN103511329A CN103511329A CN201310489978.4A CN201310489978A CN103511329A CN 103511329 A CN103511329 A CN 103511329A CN 201310489978 A CN201310489978 A CN 201310489978A CN 103511329 A CN103511329 A CN 103511329A
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- centrifugal pump
- blade
- impeller
- abrasive material
- cover plate
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Abstract
The invention discloses a centrifugal pump, and relates to the technical field of radial flow pump manufacturing. The centrifugal pump comprises an impeller. The impeller is formed by blades and a rear cover plate or formed by blades and a front cover plate, and the blades are connected with the rear cover plate or the front cover plate through connecting pieces. The centrifugal pump can solve the problems that the impeller is short in service life and high in manufacturing and maintenance cost due to the fact that the blades and the cover plates cannot be split in the prior art.
Description
Technical field
The present invention relates to radial-flow pump manufacturing technology field, especially a kind of impeller may be split into the centrifugal pump of blade and cover plate.
Background technique
The centrifugal pump (conventionally claiming ore slurry pump or slag stock pump) of be widely used at present the industry production deslagginves such as mine, metallurgy, electric power, chemical industry, ore discharge, digging sand, its impeller generally adopts semi-open type and closed two kinds of structural types, no matter adopting which kind of structural type, is all that the blade of impeller and back shroud are made of one during fabrication; Centrifugal pump is when the fluid of conveying solid substance, liquid mixing, and the blade of centrifugal pump impeller will be worn after work a period of time, affects service behaviour and the working life of centrifugal pump, also can make impeller damage when serious, causes centrifugal pump to shut down; People are for improving the wear-resisting property of impeller, often the impeller of centrifugal pump is manufactured with some high-abrasive materials, or at some harder materials of surface inserting of blade, but because cover plate and the blade of impeller noted earlier is all the reason being made of one, for the less impeller of some sizes, do not have space to inlay at all, therefore, to improving separately the impeller of blade material wear resistance, can only improve the wear resistance of whole impeller material, so just must cause the manufacture cost of impeller higher; In addition,, if the partial blade wearing and tearing of centrifugal pump impeller after use a period of time need all be changed whole impeller during replacing, so also cause maintenance cost higher.
Summary of the invention
The object of this invention is to provide a kind of centrifugal pump, it can solve in prior art short, manufacture in impeller working life and the high problem of maintenance cost.
In order to address the above problem, the technical solution used in the present invention is: this centrifugal pump comprises impeller, and described impeller consists of blade, cover plate; Described blade pass is crossed link and is connected with described cover plate.
According to above technological scheme, further scheme is: described cover plate is back shroud, and the end face that described back shroud is connected with described blade is provided with for the mounting groove of described blade is installed.
Further scheme is: described cover plate is front shroud, and the end face that described front shroud is connected with described blade is provided with for the mounting groove of described blade is installed.
Further scheme is: described blade pass is crossed bolt and is connected with described back shroud, described front shroud.
Further scheme is: the high-abrasive material that described cover plate is more than or equal to HRC50 by hardness is made.
Further scheme is: described high-abrasive material is stupalith.
Further scheme is: the high-abrasive material that described blade is more than or equal to HRC50 by hardness is made.
Further scheme is: described blade surface is inlaid with the high-abrasive material that hardness is more than or equal to HRC50.
Further scheme is: described high-abrasive material is stupalith.
Further scheme is: described high-abrasive material is Hardmetal materials.
Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect:
1, all sites of centrifugal pump impeller parts can be realized wear-and corrosion-resistant enhancement process, improves the working life of centrifugal pump impeller, and can improve more than 3 ~ 5 times working life.
2, can the blade of centrifugal pump impeller, cover plate be selected to different wear-resistant anticorrosive materials according to different working conditions, save impeller overall cost.
While 3, keeping in repair impeller, only need to change the parts that damage, saving centrifugal pump maintenance cost.
4, each parts means of fixation variation of impeller is easy to assembly quick.
5, by complicated cast inblock and manufacture simplification, be that single component is produced.
Accompanying drawing explanation
Fig. 1 is the plan view of semi-open type before centrifugal pump impeller.
Fig. 2 is the plan view of semi-open type before centrifugal pump impeller.
Fig. 3 is the worm's eye view of semi-open type before centrifugal pump impeller.
Fig. 4 is the sectional view along A-A line in Fig. 2.
Fig. 5 is semi-open type plan view after centrifugal pump impeller.
Fig. 6 is semi-open type plan view after centrifugal pump impeller.
Fig. 7 is semi-open type worm's eye view after centrifugal pump impeller.
Fig. 8 is the sectional view along B-B line in Fig. 6.
Embodiment
Below in conjunction with accompanying drawing, embodiment is further described the present invention:
Embodiment one: the centrifugal pump as shown in Fig. 1 ~ 3, and this centrifugal pump comprises impeller, impeller consists of blade 1, back shroud 2; The end face being connected with blade 1 at back shroud 2 is provided with for the mounting groove of blade 1 is installed; Mounting groove bottom is provided with some through holes, and blade 1 is provided with the connecting through hole corresponding with mounting groove through hole; At the back side of back shroud 2, be provided with the sunk screw hole coaxial with mounting groove through hole, at the back side of blade 1 connecting end surface, be provided with the sunk screw hole coaxial with blade 1 attachment hole; Back shroud 2 is tightened to impeller by bolt 3 and nut 4 with blade 1, as shown in Figure 4.
The high-abrasive material that back shroud 2 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith;
The high-abrasive material that blade 1 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith.
Embodiment two: the centrifugal pump as shown in Fig. 1 ~ 4, comprise impeller, and impeller consists of blade 1, back shroud 2, and blade wheel structure is identical with embodiment one; The high-abrasive material that back shroud 2 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith; The surface inserting of blade 1 has hardness to be more than or equal to the high-abrasive material of HRC50, and high-abrasive material is stupalith.
Embodiment three: the centrifugal pump as shown in Fig. 1 ~ 4, comprise impeller, and impeller consists of blade 1, back shroud 2, and blade wheel structure is identical with embodiment one; The high-abrasive material that back shroud 2 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith; The surface inserting of blade 1 has hardness to be more than or equal to the high-abrasive material of HRC50, and high-abrasive material is cemented carbide.
Embodiment four: the centrifugal pump as shown in Fig. 5 ~ 8, and this centrifugal pump comprises impeller, impeller consists of blade 1, front shroud 5; The end face being connected with blade 1 at front shroud 5 is provided with for the mounting groove of blade 1 is installed; Mounting groove bottom is provided with some through holes, and blade 1 is provided with the through hole corresponding with mounting groove through hole; At the back side of front shroud 5, be provided with the sunk screw hole coaxial with mounting groove through hole, front shroud 5 is fastening with blade 1 by bolt 6 and nut 7, as shown in Figure 8.
The high-abrasive material that front shroud 5 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith;
The high-abrasive material that blade 1 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith.
Embodiment five: the centrifugal pump as shown in Fig. 5 ~ 8, and this centrifugal pump comprises impeller, and impeller consists of blade 1, front shroud 5, and blade wheel structure is identical with embodiment four; The high-abrasive material that front shroud 5 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith; The surface inserting of blade 1 has hardness to be more than or equal to the high-abrasive material of HRC50, and high-abrasive material is stupalith.
Embodiment six: the centrifugal pump as shown in Fig. 5 ~ 8, and this centrifugal pump comprises impeller, and impeller consists of blade 1, front shroud 5, and blade wheel structure is identical with embodiment four; The high-abrasive material that front shroud 5 is more than or equal to HRC50 by hardness is made, and high-abrasive material is stupalith; The surface inserting of blade 1 has hardness to be more than or equal to the high-abrasive material of HRC50, and high-abrasive material is Hardmetal materials.
Except the cited blade of embodiment one, two, three, four, five, six 1 and back shroud 2 or front shroud 5 are spirally connected means of fixation, being connected and fixed of blade 1 and back shroud 2 or front shroud 5 can also comprise: the modes such as riveted joint, bonding, clamping, socket, welding.
Claims (10)
1. a centrifugal pump, comprises impeller, it is characterized in that: described impeller consists of blade, cover plate; Described blade pass is crossed link and is connected with described cover plate.
2. centrifugal pump according to claim 1, is characterized in that: described cover plate is back shroud, and the end face that described back shroud is connected with described blade is provided with for the mounting groove of described blade is installed.
3. centrifugal pump according to claim 1, is characterized in that: described cover plate is front shroud, and the end face that described front shroud is connected with described blade is provided with for the mounting groove of described blade is installed.
4. according to the centrifugal pump described in claim 2 or 3, it is characterized in that: described blade pass is crossed bolt and is connected with described back shroud, described front shroud.
5. according to the centrifugal pump described in claim 1 or 2 or 3, it is characterized in that: the high-abrasive material that described cover plate is more than or equal to HRC50 by hardness is made.
6. centrifugal pump according to claim 5, is characterized in that: described high-abrasive material is stupalith.
7. according to the centrifugal pump described in claim 1 or 2 or 3, it is characterized in that: the high-abrasive material that described blade is more than or equal to HRC50 by hardness is made.
8. according to the centrifugal pump described in claim 1 or 2 or 3, it is characterized in that: described blade surface is inlaid with the high-abrasive material that hardness is more than or equal to HRC50.
9. centrifugal pump according to claim 7, is characterized in that: described high-abrasive material is stupalith.
10. centrifugal pump according to claim 8, is characterized in that: described high-abrasive material is Hardmetal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489978.4A CN103511329A (en) | 2013-10-18 | 2013-10-18 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310489978.4A CN103511329A (en) | 2013-10-18 | 2013-10-18 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103511329A true CN103511329A (en) | 2014-01-15 |
Family
ID=49894595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310489978.4A Pending CN103511329A (en) | 2013-10-18 | 2013-10-18 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103511329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309735A (en) * | 2021-05-11 | 2021-08-27 | 郭雨佳 | Novel adjustable centrifugal pump and debugging method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2262039A (en) * | 1940-11-01 | 1941-11-11 | Richard B Pekor | Centrifugal pump impeller |
| US2625884A (en) * | 1949-02-23 | 1953-01-20 | William H Welsh | Impeller |
| CN1975172A (en) * | 2005-11-28 | 2007-06-06 | 宜兴市宙斯泵业有限公司 | Combined antiwearing blades |
| CN101487471A (en) * | 2009-02-19 | 2009-07-22 | 赵贵云 | Hydraulic driving centrifugal liquid cargo pump |
| CN101793264A (en) * | 2010-04-28 | 2010-08-04 | 自贡市红旗泵业密封件制造有限公司 | Method for manufacturing impeller of desulphurization circulating pump |
| CN101932825A (en) * | 2007-12-05 | 2010-12-29 | 戴纳维科公司 | Runner |
| CN102927042A (en) * | 2012-11-29 | 2013-02-13 | 无锡艾比德泵业有限公司 | Impeller of centrifugal pump |
| CN202851465U (en) * | 2012-08-01 | 2013-04-03 | 三一能源重工有限公司 | Diffuser and compressor containing the same |
-
2013
- 2013-10-18 CN CN201310489978.4A patent/CN103511329A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2262039A (en) * | 1940-11-01 | 1941-11-11 | Richard B Pekor | Centrifugal pump impeller |
| US2625884A (en) * | 1949-02-23 | 1953-01-20 | William H Welsh | Impeller |
| CN1975172A (en) * | 2005-11-28 | 2007-06-06 | 宜兴市宙斯泵业有限公司 | Combined antiwearing blades |
| CN101932825A (en) * | 2007-12-05 | 2010-12-29 | 戴纳维科公司 | Runner |
| CN101487471A (en) * | 2009-02-19 | 2009-07-22 | 赵贵云 | Hydraulic driving centrifugal liquid cargo pump |
| CN101793264A (en) * | 2010-04-28 | 2010-08-04 | 自贡市红旗泵业密封件制造有限公司 | Method for manufacturing impeller of desulphurization circulating pump |
| CN202851465U (en) * | 2012-08-01 | 2013-04-03 | 三一能源重工有限公司 | Diffuser and compressor containing the same |
| CN102927042A (en) * | 2012-11-29 | 2013-02-13 | 无锡艾比德泵业有限公司 | Impeller of centrifugal pump |
Non-Patent Citations (1)
| Title |
|---|
| 荣守范，朱永长主编: "泵壳与叶轮", 《铸造金属耐磨材料实用手册》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309735A (en) * | 2021-05-11 | 2021-08-27 | 郭雨佳 | Novel adjustable centrifugal pump and debugging method thereof |
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Application publication date: 20140115 |