CN102943777A - Volute-type high-pressure submerged pump - Google Patents
Volute-type high-pressure submerged pump Download PDFInfo
- Publication number
- CN102943777A CN102943777A CN2012104670696A CN201210467069A CN102943777A CN 102943777 A CN102943777 A CN 102943777A CN 2012104670696 A CN2012104670696 A CN 2012104670696A CN 201210467069 A CN201210467069 A CN 201210467069A CN 102943777 A CN102943777 A CN 102943777A
- Authority
- CN
- China
- Prior art keywords
- bearing
- axle
- type high
- high pressure
- shaft sleeve
- 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
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a volute-type high-pressure submerged pump, which comprises a submerged overflow part, a sealing part and a bearing part, wherein the submerged overflow part is connected with the sealing part and the sealing part is connected with the bearing part. The volute-type high-pressure submerged pump has performance capable of meeting requirements on working conditions of small flow and high lift, and can prevent crystallization from occurring and influencing medium delivery.
Description
Technical field
The present invention relates to the fluid conveying machine technical field, relate in particular to a kind of scroll casing type high pressure Under Water Pumps.
Background technique
Often having high temperature, high pressure, the less medium of flow in petrochemical equipment needs to carry; such as medium in caprolactam device, the oximate device etc.; the general temperature of these media is higher; between 98 ℃ ~ 130 ℃; saturated vapor pressure is larger; for the conveying of these media just needs medium to have enough pressure to keep the form of liquid, this has just produced a series of requirement to the pump of fed sheet of a media.At present, the bright rare domestic manufacturer of Under Water Pumps type that can bear these conditions produces, and the one, the higher and easy crystallization of the temperature of medium needs to design insulating structure and cooling structure simultaneously on the pump, and domestic manufacturer is difficult to reach designing requirement; The 2nd, the medium crystallization of very easily vaporizing causes seal failure, the problem of these aspects of solution that domestic manufacturer can't be perfect.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of scroll casing type high pressure Under Water Pumps is provided.
The technological scheme that the present invention adopts for achieving the above object is: scroll casing type high pressure Under Water Pumps, comprise flow passage components under the liquid, sealed member and bearing part, and flow passage components are connected with sealed member under the described liquid, and described sealed member is connected with bearing part.
Flow passage components comprise pump cover, the chopped-off head pump housing, the secondary pump housing, axle, lower support pipe, upper support pipe and welding water outlet device under the described liquid, described pump cover is connected with the chopped-off head pump housing, the chopped-off head pump housing is connected with the secondary pump housing, the secondary pump housing is connected with the lower support pipe, described upper support pipe is connected with the welding water outlet device, between upper support pipe and the lower support pipe the body of sliding bearing is installed, first stage impeller, secondary impeller are installed on the described axle.
Described first stage impeller is installed on the axle by cap-shaped nut, chuck and Lower shaft sleeve one, on the described Lower shaft sleeve one case bushing is installed.
Described secondary impeller is installed on the axle by Lower shaft sleeve one and Lower shaft sleeve two, on the described Lower shaft sleeve two lower axle bush is installed.
On described first stage impeller and the secondary impeller body choma is installed all.
Described sealed member comprises bearing bracket stand, packing seal axle sleeve, lining, casing and gland, described bearing bracket stand is connected with the welding water outlet device, described packing seal axle sleeve is installed on the axle, and described lining is installed on the casing, and described casing is connected with gland.
Described casing is provided with cooling chamber one.
Described bearing part comprises Upper shaft sleeve, outside framework oil seal, bearing, bearing housing and bearing gland, described bearing housing is connected with bearing bracket stand, described Upper shaft sleeve is installed on the axle, and outside framework oil seal, bearing are installed in the described bearing housing, and described bearing housing is connected with bearing gland.
Described bearing housing is provided with cooling chamber two.
Performance of the present invention has satisfied small flow, high-lift working condition requirement, prevents crystallization and affects the conveying of medium.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial enlarged view one of the present invention;
Fig. 3 is partial enlarged view two of the present invention.
Wherein: 1, pump cover 2, cap-shaped nut 3, chuck 4, first stage impeller 5, body choma 6, case bushing 7, Lower shaft sleeve 1, the chopped-off head pump housing 9, secondary impeller 10, Lower shaft sleeve 2 11, lower axle bush 12, the secondary pump housing 13, axle 14, lower support pipe 15, bearing housing 16, bearing gland 17, the body of sliding bearing 18, upper support pipe 19, welding water outlet device 20, bearing bracket stand 21, packing seal axle sleeve 22, lining 23, casing 24, gland 25, Upper shaft sleeve 26, outside framework oil seal 27, bearing.
Embodiment
As shown in Figure 1-Figure 3; scroll casing type high pressure Under Water Pumps; comprise flow passage components under the liquid; sealed member and bearing part; flow passage components are connected with sealed member under the described liquid; described sealed member is connected with bearing part; flow passage components comprise pump cover 1 under the described liquid; the chopped-off head pump housing 8; the secondary pump housing 12; axle 13; lower support pipe 14; upper support pipe 18 and welding water outlet device 19; described pump cover 1 is connected with the chopped-off head pump housing 8; adopt the PTFE gasket seal; the chopped-off head pump housing 8 is connected with the secondary pump housing 12; the secondary pump housing 12 is connected with lower support pipe 14; described upper support pipe 18 is connected with welding water outlet device 19; between upper support pipe 18 and the lower support pipe 14 the body of sliding bearing 17 is installed; on the described axle 13 first stage impeller 4 is installed; secondary impeller 9; described first stage impeller 4 is by cap-shaped nut 2; chuck 3 and Lower shaft sleeve 1 are installed on the axle 13; chuck 3 plays the effect that prevents that cap-shaped nut 2 from getting loose; guarantee that first stage impeller 4 location are more reliable; on the described Lower shaft sleeve 1 case bushing 6 is installed; described secondary impeller 9 is installed on the axle 13 by Lower shaft sleeve 1 and Lower shaft sleeve 2 10; lower axle bush 11 is installed on the described Lower shaft sleeve 2 10; on described first stage impeller 4 and the secondary impeller 9 body choma 5 is installed all; but balancing axial thrust when protecting zone easy to wear; fed sheet of a media enters the chopped-off head pump housing 8 and carries out transformation of energy after first stage impeller 4 interior pressurizations; pressure medium enters the secondary impeller 9 further energy that obtain and enters lower support pipe 14 by the secondary pump housing 12; the body of sliding bearing 17; upper support pipe 18; the 19 rear discharges of welding water outlet device; medium is through first stage impeller 4; after secondary impeller 9 pressurizations; performance has satisfied small flow; high-lift working condition requirement; welding water outlet device 19 can pass into high-temperature steam with insulation jacket; the medium of carrying is incubated; prevent crystallization and affect the conveying of medium; described sealed member comprises bearing bracket stand 20; packing seal axle sleeve 21; lining 22; casing 23 and gland 24; described bearing bracket stand 20 is connected with welding water outlet device 19; described packing seal axle sleeve 21 is installed on the axle 13; described lining 22 is installed on the casing 23; described casing 23 is connected with gland 24; described casing 23 is provided with cooling chamber one; when the fed sheet of a media temperature is higher; can pass into cooling water cools off; lining 22 forms the gap with packing seal axle sleeve 21; lining 22 usefulness glands 24 compress; because conveying is easy medium of vaporizing; passed at lining 22 and 21 on packing seal axle sleeve and to have pressed nitrogen to prevent the dielectric gas flow condensation that makes progress along the gap; described bearing part comprises Upper shaft sleeve 25; outside framework oil seal 26; bearing 27; bearing housing 15 and bearing gland 16; described bearing housing 15 is connected with bearing bracket stand 20; described Upper shaft sleeve 25 is installed on the axle 13; in the described bearing housing 15 outside framework oil seal 26 is installed; bearing 27; described bearing housing 15 is connected with bearing gland 16; bearing gland 16 rigid bearings 27 outer rings; inner ring is locked by round nut; 25 pairs of bearings of Upper shaft sleeve, 27 bottom surface inner rings play the positioning supports effect; the position welding cooling chamber two of bearing 27 is installed on the bearing housing 15; when the higher medium of delivery temperature; can pass into cooling water in the cavity; reduce the temperature of bearing 27, improve the working life of bearing 27.
Claims (9)
1. scroll casing type high pressure Under Water Pumps, it is characterized in that: comprise flow passage components under the liquid, sealed member and bearing part, flow passage components are connected with sealed member under the described liquid, and described sealed member is connected with bearing part.
2. scroll casing type high pressure Under Water Pumps according to claim 1, it is characterized in that: flow passage components comprise pump cover (1) under the described liquid, the chopped-off head pump housing (8), the secondary pump housing (12), axle (13), lower support pipe (14), upper support pipe (18) and welding water outlet device (19), described pump cover (1) is connected with the chopped-off head pump housing (8), the chopped-off head pump housing (8) is connected with the secondary pump housing (12), the secondary pump housing (12) is connected with lower support pipe (14), described upper support pipe (18) is connected with welding water outlet device (19), between upper support pipe (18) and the lower support pipe (14) the body of sliding bearing (17) is installed, first stage impeller (4) is installed on the described axle (13), secondary impeller (9).
3. scroll casing type high pressure Under Water Pumps according to claim 2, it is characterized in that: described first stage impeller (4) is installed on the axle (13) by cap-shaped nut (2), chuck (3) and Lower shaft sleeve one (7), on the described Lower shaft sleeve one (7) case bushing (6) is installed.
4. scroll casing type high pressure Under Water Pumps according to claim 2, it is characterized in that: described secondary impeller (9) is installed on the axle (13) by Lower shaft sleeve one (7) and Lower shaft sleeve two (10), on the described Lower shaft sleeve two (10) lower axle bush (11) is installed.
5. scroll casing type high pressure Under Water Pumps according to claim 2 is characterized in that: on described first stage impeller (4) and the secondary impeller (9) body choma (5) is installed all.
6. scroll casing type high pressure Under Water Pumps according to claim 1, it is characterized in that: described sealed member comprises bearing bracket stand (20), packing seal axle sleeve (21), lining (22), casing (23) and gland (24), described bearing bracket stand (20) is connected with welding water outlet device (19), described packing seal axle sleeve (21) is installed on the axle (13), described lining (22) is installed on the casing (23), and described casing (23) is connected with gland (24).
7. scroll casing type high pressure Under Water Pumps according to claim 6, it is characterized in that: described casing (23) is provided with cooling chamber one.
8. scroll casing type high pressure Under Water Pumps according to claim 1, it is characterized in that: described bearing part comprises Upper shaft sleeve (25), outside framework oil seal (26), bearing (27), bearing housing (15) and bearing gland (16), described bearing housing (15) is connected with bearing bracket stand (20), described Upper shaft sleeve (25) is installed on the axle (13), outside framework oil seal (26), bearing (27) are installed in the described bearing housing (15), and described bearing housing (15) is connected with bearing gland (16).
9. scroll casing type high pressure Under Water Pumps according to claim 8, it is characterized in that: described bearing housing (15) is provided with cooling chamber two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104670696A CN102943777A (en) | 2012-11-19 | 2012-11-19 | Volute-type high-pressure submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104670696A CN102943777A (en) | 2012-11-19 | 2012-11-19 | Volute-type high-pressure submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102943777A true CN102943777A (en) | 2013-02-27 |
Family
ID=47726748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104670696A Pending CN102943777A (en) | 2012-11-19 | 2012-11-19 | Volute-type high-pressure submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102943777A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559210A (en) * | 2017-10-11 | 2018-01-09 | 济南三科泵业有限公司 | High-temperature melting salt pump |
| CN108443174A (en) * | 2018-05-11 | 2018-08-24 | 安徽凯特泵业有限公司 | The sealing system of submerged pump |
| CN109139485A (en) * | 2018-10-30 | 2019-01-04 | 江苏双达泵业股份有限公司 | A kind of high-temperature long-shaft pump for liquid salts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949527Y (en) * | 2006-05-29 | 2007-09-19 | 大连四方佳特流体设备有限公司 | Reformed pitch vertical centrifugal pump |
| CN101839253A (en) * | 2009-03-19 | 2010-09-22 | 肖琼 | Vertical two-phase flow submerged pump |
| CN202946453U (en) * | 2012-11-19 | 2013-05-22 | 大耐泵业有限公司 | Volute-type high-pressure submerged pump |
-
2012
- 2012-11-19 CN CN2012104670696A patent/CN102943777A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949527Y (en) * | 2006-05-29 | 2007-09-19 | 大连四方佳特流体设备有限公司 | Reformed pitch vertical centrifugal pump |
| CN101839253A (en) * | 2009-03-19 | 2010-09-22 | 肖琼 | Vertical two-phase flow submerged pump |
| CN202946453U (en) * | 2012-11-19 | 2013-05-22 | 大耐泵业有限公司 | Volute-type high-pressure submerged pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559210A (en) * | 2017-10-11 | 2018-01-09 | 济南三科泵业有限公司 | High-temperature melting salt pump |
| CN108443174A (en) * | 2018-05-11 | 2018-08-24 | 安徽凯特泵业有限公司 | The sealing system of submerged pump |
| CN109139485A (en) * | 2018-10-30 | 2019-01-04 | 江苏双达泵业股份有限公司 | A kind of high-temperature long-shaft pump for liquid salts |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8932034B2 (en) | Well pump with seal section having a labyrinth flow path in a metal bellows | |
| CN205136045U (en) | Vertical multistage vacuum low temperature immersed pump | |
| CN103821732A (en) | Vertical pump pool multi-stage immersed pump | |
| EP2742242B1 (en) | Pump with double-suction impeller generating axial thrust | |
| CN102943777A (en) | Volute-type high-pressure submerged pump | |
| CN105090051A (en) | Shielded electric pump | |
| CN203627324U (en) | High-temperature and high-pressure resistant horizontal single-stage cantilever pump | |
| CN2711469Y (en) | Mechanical seal device for light hydrocarbon pump | |
| CN102758791A (en) | Centrifugal pump with high suction pressure | |
| CN202946453U (en) | Volute-type high-pressure submerged pump | |
| CN104763682A (en) | Horizontal type single-stage cantilever pump resistant to high temperature and high pressure | |
| CN103603812A (en) | Low-temperature vertical multi-stage high-pressure submerged pump | |
| CN202483895U (en) | Multiple-group magnetic drive pump | |
| CN203175932U (en) | Petrochemical engineering process pump | |
| CN110685921A (en) | Cooling device used when vertical multistage centrifugal pump conveys high-temperature fluid | |
| CN103291640B (en) | Shurry pump under a kind of vertical nitrogen sealing gland cooling magnetic liquid | |
| CN204610295U (en) | Vertical low temperature centrifugal pump | |
| CN201650762U (en) | Vertical type cryogenic canned motor pump | |
| CN204140670U (en) | A kind of water-cooled Hydrodynamic Sliding Bearing | |
| CN201281034Y (en) | Bearing arrangement of fluid delivery pump | |
| CN203743015U (en) | Vertical pump pond multilevel immersed pump | |
| CN205977697U (en) | Chemical pump is supported at modified two -stage, chopped -off head double suction, radial subdivision, both ends | |
| CN103291628A (en) | Multigroup magnetic pump | |
| CN202483924U (en) | Vertical nitrogen gas-seal cooling magnetic fluid slurry feeding pump | |
| CN202659550U (en) | High-suction pressure centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130227 |