CN204186631U - A kind of chemical flow-process pump - Google Patents
A kind of chemical flow-process pump Download PDFInfo
- Publication number
- CN204186631U CN204186631U CN201420543416.3U CN201420543416U CN204186631U CN 204186631 U CN204186631 U CN 204186631U CN 201420543416 U CN201420543416 U CN 201420543416U CN 204186631 U CN204186631 U CN 204186631U
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- CN
- China
- Prior art keywords
- impeller
- pump
- bearing
- cover
- pump shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of chemical flow-process pump, comprise the pump housing, intermediate support, suspension, pump shaft, bearing protecgulum, bearing rear pressing cover, suspension strut, pump cover, impeller cavity is formed between pump cover and the pump housing, the impeller be connected with pump shaft is provided with in impeller cavity, pump cover is connected with end cover away from impeller side, pump shaft periphery is provided with axle sleeve and is provided with sealing gasket between above-mentioned axle sleeve and impeller, roller bearing and the first hole back-up ring is provided with between intermediate support and pump shaft, first hole back-up ring is positioned at roller bearing away from bearing protecgulum side, angular contact bearing and the second hole back-up ring is provided with between suspension and pump shaft, second hole back-up ring is positioned at angular contact bearing away from bearing rear pressing cover side, bearing protecgulum, outside framework oil seal is equipped with between bearing rear pressing cover and pump shaft, pump shaft is provided with impeller and cap away from the end sleeve of bearing rear pressing cover one end, impeller is also fixed by impeller locknut between cap and impeller, impeller locknut and impeller cap, sealing gasket is provided with between impeller.
Description
Technical field
The utility model relates to pump technical field, particularly relates to a kind of chemical flow-process pump.
Background technique
Centrifugal pump is according to centrifugal principle design, and the impeller blade carry fluid of High Rotation Speed rotates, and is thrown away by fluid, thus reaches the object of conveying.The field such as current centrifugal pump is widely used in the industry production deslagginves such as mine, metallurgy, electric power, chemical industry, ore discharge, dig sand.Normally used centrifugal pump generally adopts the impeller of open type and enclosed two kinds of structural types, but the stickiness of double shrouded wheel convection cell requires higher, and when the liquid that extraction stickiness is higher, the runner on double shrouded wheel easily blocks.Centrifugal pump is when the fluid of conveying solid substance, liquid mixing; after centrifugal pump work a period of time; because washing away with the pressure difference of impeller both sides of fluid is larger; easily cause the blade of impeller by Fast Wearing; affect service behaviour and the working life of centrifugal pump; can impeller failure be made time serious, cause centrifugal pump to shut down.When centrifugal pump uses as chemical industry transfer pump, because conveying liquid contains solid particle and has corrosivity, cause existing chemical flow-process pump to there is shorter defect in working life, need to improve.
Model utility content
In order to solve the technical problem existed in background technique, the utility model proposes a kind of chemical flow-process pump, achieving the improvement to chemical-process pump structure, its long service life.
A kind of chemical flow-process pump that the utility model proposes, comprise the pump housing being provided with import and outlet, the intermediate support be connected with the pump housing, the suspension be connected with intermediate support, be arranged on the pump shaft in the pump housing, the bearing protecgulum be connected with intermediate support, the bearing rear pressing cover be connected with suspension, with the suspension strut that suspension is fixing, the pump cover be connected with the pump housing, impeller cavity is formed between pump cover and the pump housing, be provided with in impeller cavity and be connected and the impeller that can rotate with pump shaft with pump shaft, intermediate support between the pump housing and suspension and both sides respectively with the pump housing, suspension is fixed, pump cover is connected with end cover away from impeller side, pump shaft periphery is provided with axle sleeve and is provided with sealing gasket between above-mentioned axle sleeve and impeller, roller bearing and the first hole back-up ring is provided with between intermediate support and pump shaft, first hole back-up ring is positioned at roller bearing away from bearing protecgulum side, angular contact bearing and the second hole back-up ring is provided with between suspension and pump shaft, second hole back-up ring is positioned at angular contact bearing away from bearing rear pressing cover side, bearing protecgulum, outside framework oil seal is equipped with between bearing rear pressing cover and pump shaft, pump shaft is provided with impeller and cap away from the end sleeve of bearing rear pressing cover one end, impeller is also fixed by impeller locknut between cap and impeller, impeller locknut and impeller cap, sealing gasket is provided with between impeller.
Preferably, pump shaft is away from impeller and cap one end is connected with coupling.
Preferably, the inlet of the pump housing is provided with sealing gasket.
Preferably, pump cover, axle sleeve, impeller, end cover are formed in space and are provided with black box.
In above-mentioned chemical flow-process pump, by the improvement to structure, make it in the course of the work, the damage of liquid to chemical flow-process pump is little, and the transfer efficiency of chemical flow-process pump is high, and long service life, be conducive to the cost of production reducing chemical industry.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of chemical flow-process pump that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of chemical flow-process pump that the utility model proposes.
With reference to Fig. 1, in one embodiment, a kind of chemical flow-process pump that model utility proposes, comprise the pump housing 3, the pump housing 3 be provided with the import 1 that enters for liquid and export and export 2, intermediate support 6 and the pump housing 3 are bolted, suspension 7 and intermediate support 6 are bolted, and promote the support to suspension 7 by suspension strut 15, thus improve the stability of suspension 7, pump shaft 5 and pump cover 4 is provided with in the pump housing 3, impeller cavity is formed between pump cover 4 and the pump housing 3, the impeller 10 be communicated with pump shaft 5 is provided with in impeller cavity, thus can be rotated by pump shaft 5 impeller 10, the rotation of impeller 10 then can the motion of carry fluid, and then realize the transport of fluid, in order to reduce liquid damage to equipment in course of conveying, impeller is provided with and cap 11 near the end sleeve of open at one end at pump shaft 5, impeller is also fixed by impeller locknut 12 between cap 11 and impeller 10, further, impeller locknut 12 is with impeller and cap 11, sealing gasket 20 is provided with between impeller 10, can prevent conveying liquid from the flowing space, seepage occurring, bearing protecgulum 8, bearing rear pressing cover 9 respectively with intermediate support 6, suspension 7 connects, bearing protecgulum 8, outside framework oil seal 22 is equipped with between bearing rear pressing cover 9 and pump shaft 5, pump shaft 5 periphery is provided with axle sleeve 13 and is provided with sealing gasket 20 between above-mentioned axle sleeve 13 and impeller 10, by axle sleeve 13, bearing protecgulum 8, bearing rear pressing cover 9 is protected pump shaft 5 jointly, prevent the precision of pump shaft 5 impaired, thus the working life of extension device, in order to improve the protection to pump shaft 5 further, reduce liquid to the corrosion impact of pump shaft 5, pump cover 4, axle sleeve 13, impeller 10, end cover 14 4 is formed in space and is provided with black box 21, roller bearing 16 and the first hole back-up ring 18 is provided with between intermediate support 6 and pump shaft 5, first hole back-up ring 18 is positioned at roller bearing 16 away from bearing protecgulum 8 side, angular contact bearing 17 and the second hole back-up ring 19 is provided with between suspension 7 and pump shaft 5, second hole back-up ring 19 is positioned at angular contact bearing 17 away from bearing rear pressing cover 9 side, above-mentioned design can improve the running accuracy of pump shaft 5, for the ease of the power transmission of pump shaft 5, pump shaft 5 is away from impeller and cap 11 one end is connected with coupling 23, in order to improve the reliability that liquid flows into, sealing gasket 20 can be set at import 1 place of the pump housing 3.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and model utility design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (4)
1. a chemical flow-process pump, it is characterized in that, comprise the pump housing (3) being provided with import (1) and outlet (2), the intermediate support (6) be connected with the pump housing (3), the suspension (7) be connected with intermediate support (6), be arranged on the pump shaft (5) in the pump housing (3), the bearing protecgulum (8) be connected with intermediate support (6), the bearing rear pressing cover (9) be connected with suspension (7), with the suspension strut (15) that suspension (7) is fixing, the pump cover (4) be connected with the pump housing (3), impeller cavity is formed between pump cover (4) and the pump housing (3), be provided with in impeller cavity and be connected and the impeller (10) that can rotate with pump shaft (5) with pump shaft (5), intermediate support (6) be positioned between the pump housing (3) and suspension (7) and both sides respectively with the pump housing (3), suspension (7) is fixed, pump cover (4) is connected with end cover (14) away from impeller (10) side, pump shaft (5) periphery is provided with axle sleeve (13) and is provided with sealing gasket (20) between above-mentioned axle sleeve (13) and impeller (10), roller bearing (16) and the first hole back-up ring (18) is provided with between intermediate support (6) and pump shaft (5), first hole back-up ring (18) is positioned at roller bearing (16) away from bearing protecgulum (8) side, angular contact bearing (17) and the second hole back-up ring (19) is provided with between suspension (7) and pump shaft (5), second hole back-up ring (19) is positioned at angular contact bearing (17) away from bearing rear pressing cover (9) side, bearing protecgulum (8), outside framework oil seal (22) is equipped with between bearing rear pressing cover (9) and pump shaft (5), pump shaft (5) is provided with impeller and cap (11) away from the end sleeve of bearing rear pressing cover (9) one end, impeller is also fixed by impeller locknut (12) between cap (11) and impeller (10), impeller locknut (12) and impeller cap (11), sealing gasket (20) is provided with between impeller (10).
2. chemical flow-process pump according to claim 1, is characterized in that, pump shaft (5) is away from impeller and cap (11) one end is connected with coupling (23).
3. chemical flow-process pump according to claim 1, is characterized in that, import (1) place of the pump housing (3) is provided with sealing gasket (20).
4. chemical flow-process pump according to claim 1, it is characterized in that, pump cover (4), axle sleeve (13), impeller (10), end cover (14) four are formed in space and are provided with black box (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543416.3U CN204186631U (en) | 2014-09-19 | 2014-09-19 | A kind of chemical flow-process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543416.3U CN204186631U (en) | 2014-09-19 | 2014-09-19 | A kind of chemical flow-process pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186631U true CN204186631U (en) | 2015-03-04 |
Family
ID=52618640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543416.3U Expired - Fee Related CN204186631U (en) | 2014-09-19 | 2014-09-19 | A kind of chemical flow-process pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186631U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314828A (en) * | 2014-09-19 | 2015-01-28 | 安徽金龙机械有限公司 | Chemical process pump |
| CN105545755A (en) * | 2015-12-30 | 2016-05-04 | 安徽安龙机械有限公司 | Anti-blocking cassava alcohol pump |
| CN105570142A (en) * | 2015-12-30 | 2016-05-11 | 安徽安龙机械有限公司 | Efficient defoaming pump |
| CN105649997A (en) * | 2015-12-30 | 2016-06-08 | 安徽安龙机械有限公司 | Wear-resisting cassava alcohol pump |
| CN105673513A (en) * | 2015-12-30 | 2016-06-15 | 安徽安龙机械有限公司 | Shear type self-sucking pump |
| CN110056533A (en) * | 2019-05-21 | 2019-07-26 | 安徽卧龙泵阀股份有限公司 | A kind of impeller of chemical centrifugal pump locking device |
-
2014
- 2014-09-19 CN CN201420543416.3U patent/CN204186631U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314828A (en) * | 2014-09-19 | 2015-01-28 | 安徽金龙机械有限公司 | Chemical process pump |
| CN105545755A (en) * | 2015-12-30 | 2016-05-04 | 安徽安龙机械有限公司 | Anti-blocking cassava alcohol pump |
| CN105570142A (en) * | 2015-12-30 | 2016-05-11 | 安徽安龙机械有限公司 | Efficient defoaming pump |
| CN105649997A (en) * | 2015-12-30 | 2016-06-08 | 安徽安龙机械有限公司 | Wear-resisting cassava alcohol pump |
| CN105673513A (en) * | 2015-12-30 | 2016-06-15 | 安徽安龙机械有限公司 | Shear type self-sucking pump |
| CN110056533A (en) * | 2019-05-21 | 2019-07-26 | 安徽卧龙泵阀股份有限公司 | A kind of impeller of chemical centrifugal pump locking device |
| CN110056533B (en) * | 2019-05-21 | 2024-04-09 | 安徽卧龙泵阀股份有限公司 | Chemical pump impeller locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20190919 |