CN104314828A - Chemical process pump - Google Patents
Chemical process pump Download PDFInfo
- Publication number
- CN104314828A CN104314828A CN201410482000.XA CN201410482000A CN104314828A CN 104314828 A CN104314828 A CN 104314828A CN 201410482000 A CN201410482000 A CN 201410482000A CN 104314828 A CN104314828 A CN 104314828A
- Authority
- 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.)
- Pending
Links
- 238000001311 chemical methods and process Methods 0.000 title abstract description 3
- 239000000725 suspension Substances 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a chemical process pump which comprises a pump body, a middle bracket, a suspension, a pump shaft, a bearing front cover, a bearing rear pressing cover, a suspension bracket and a pump cover, wherein an impeller cavity is formed between the pump cover and the pump body; an impeller which is connected with the pump shaft is arranged in the impeller cavity; the side, far away from the impeller, of the pump cover is connected with a sealing end cover; the pump shaft is peripherally provided with a shaft sleeve; a sealing pad is arranged between the shaft sleeve and the impeller; a roller bearing and a first hole check ring are arranged between the middle bracket and the pump shaft; the first hole check ring is located at the side, far away from the bearing front cover, of the roller bearing; an angular contact bearing and a second hole check ring are arranged between the suspension and the pump shaft; the second hole check ring is located on the side, far away from the bearing rear pressing cover, of the angular contact bearing; framework oil seals are arranged between the bearing front cover and the pump shaft as well as between the bearing rear pressing cover and the pump shaft; an impeller cap is arranged at the end, far away from the bearing rear pressing cover, of the pump shaft in a sleeving manner; the impeller cap is fixed with the impeller through an impeller locking nut; sealing pads are arranged between the impeller locking nut and the impeller cap as well as between the impeller locking nut and the impeller.
Description
Technical field
The present invention relates to pump technical field, particularly relate 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.
Summary of the invention
In order to solve the technical problem existed in background technique, the present invention 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 present invention 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 present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of chemical flow-process pump that the present invention proposes.
With reference to Fig. 1, in one embodiment, a kind of chemical flow-process pump that invention 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 present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
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 |
|---|---|---|---|
| CN201410482000.XA CN104314828A (en) | 2014-09-19 | 2014-09-19 | Chemical process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410482000.XA CN104314828A (en) | 2014-09-19 | 2014-09-19 | Chemical process pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104314828A true CN104314828A (en) | 2015-01-28 |
Family
ID=52370117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410482000.XA Pending CN104314828A (en) | 2014-09-19 | 2014-09-19 | Chemical process pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104314828A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762684A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of chemical centrifugal pump |
| CN109236725A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | A kind of sealing device for pump housing antiseep |
| CN110513297A (en) * | 2019-08-22 | 2019-11-29 | 江苏金利化工机械有限公司 | A horizontal emulsification pump |
| CN115370606A (en) * | 2021-05-21 | 2022-11-22 | 山东双轮埃姆科泵业有限公司 | Centrifugal pump bearing box capable of preventing lubricating oil from leaking |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996033359A1 (en) * | 1995-04-21 | 1996-10-24 | Environamics Corporation | Triple cartridge seal having one inboard and two concentric seals for chemical processing pump |
| CN2475857Y (en) * | 2001-03-22 | 2002-02-06 | 大连深蓝泵业有限公司 | Petroleum chemical flow-process pump |
| CN201401341Y (en) * | 2009-04-28 | 2010-02-10 | 华南理工大学 | A process slurry pump |
| CN101696701A (en) * | 2009-10-16 | 2010-04-21 | 浙江丰球泵业股份有限公司 | Rotating shaft sealing structure of pump |
| CN101749267A (en) * | 2008-11-30 | 2010-06-23 | 大连深蓝泵业有限公司 | Spent fuel water tank cooling pump of pressure water reactor nuclear power plant |
| CN201771837U (en) * | 2010-07-07 | 2011-03-23 | 上海连成（集团）有限公司 | Novel sealing structure between impeller nut and impeller |
| CN204186631U (en) * | 2014-09-19 | 2015-03-04 | 安徽金龙机械有限公司 | A kind of chemical flow-process pump |
-
2014
- 2014-09-19 CN CN201410482000.XA patent/CN104314828A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996033359A1 (en) * | 1995-04-21 | 1996-10-24 | Environamics Corporation | Triple cartridge seal having one inboard and two concentric seals for chemical processing pump |
| CN2475857Y (en) * | 2001-03-22 | 2002-02-06 | 大连深蓝泵业有限公司 | Petroleum chemical flow-process pump |
| CN101749267A (en) * | 2008-11-30 | 2010-06-23 | 大连深蓝泵业有限公司 | Spent fuel water tank cooling pump of pressure water reactor nuclear power plant |
| CN201401341Y (en) * | 2009-04-28 | 2010-02-10 | 华南理工大学 | A process slurry pump |
| CN101696701A (en) * | 2009-10-16 | 2010-04-21 | 浙江丰球泵业股份有限公司 | Rotating shaft sealing structure of pump |
| CN201771837U (en) * | 2010-07-07 | 2011-03-23 | 上海连成（集团）有限公司 | Novel sealing structure between impeller nut and impeller |
| CN204186631U (en) * | 2014-09-19 | 2015-03-04 | 安徽金龙机械有限公司 | A kind of chemical flow-process pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762684A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of chemical centrifugal pump |
| CN109236725A (en) * | 2018-10-31 | 2019-01-18 | 安徽腾龙泵阀制造有限公司 | A kind of sealing device for pump housing antiseep |
| CN109236725B (en) * | 2018-10-31 | 2024-05-17 | 安徽腾龙泵阀制造有限公司 | Sealing device for pump body leakage prevention |
| CN110513297A (en) * | 2019-08-22 | 2019-11-29 | 江苏金利化工机械有限公司 | A horizontal emulsification pump |
| CN115370606A (en) * | 2021-05-21 | 2022-11-22 | 山东双轮埃姆科泵业有限公司 | Centrifugal pump bearing box capable of preventing lubricating oil from leaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |
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| RJ01 | Rejection of invention patent application after publication |