CN202326278U - Vertical stainless steel multistage centrifugal pump for conveying oil products - Google Patents
Vertical stainless steel multistage centrifugal pump for conveying oil products Download PDFInfo
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- CN202326278U CN202326278U CN2011204556757U CN201120455675U CN202326278U CN 202326278 U CN202326278 U CN 202326278U CN 2011204556757 U CN2011204556757 U CN 2011204556757U CN 201120455675 U CN201120455675 U CN 201120455675U CN 202326278 U CN202326278 U CN 202326278U
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Abstract
The utility model discloses a vertical stainless steel multistage centrifugal pump for conveying oil products. The traditional pump for conveying oil products is heavy in weight, not smooth enough in flow channels and stream guiding parts and low in efficiency. The whole structure of the pump disclosed by the utility model is of a vertical, multistage, sectional and cylindrical structure; suction inlets and discharging ports of the pump are distributed on the same horizontal plane; a bearing of a pump part is a sliding bearing; a shaft seal of the pump uses mechanical sealing; and a transmission device of the pump is directly driven by an explosion-proof electric motor through a coupler. A pump overflowing part is manufactured by punching-welding a stainless steel sheet through a die; flow channels and stream guiding parts are quite smooth; the efficiency is high, and energy is saved. Different apertures and numbers of stages can be selected according to different fluxes and pump lifts; and compared with cast pumps, the vertical stainless steel multistage centrifugal pump has the advantages of light weight, convenience for transportation, small occupied area, low noise, stable operations, convenience for installation and maintenance, no pollution to mediums and the like.
Description
Technical field
The utility model belongs to pump, specifically is a kind of vertical stainless steel multistage centrifugal pump of carrying oil product.
Background technique
Existing conveying oil product pump is the vertical single stage cantilever pump mostly, and horizontal multi-stage centrifugal pump adopts forging type, and material is a cast iron, cast steel, and heaviness, floor space is big, transportation inconvenience; Runner, water diversion part are level and smooth inadequately, and efficient is low, and description is few, generally reach customer requirement through the impeller cutting mode and make trouble.Sliding bearing all is the hard material pairing, and seal ring material is general, does to change to be prone to spark.
The model utility content
Defectives such as the technical problem that the utility model will solve and the technical assignment of proposition are to overcome the existing oil product pump heaviness of carrying, and runner, water diversion part are level and smooth inadequately, and efficient is low provide a kind of vertical stainless steel multistage centrifugal pump of carrying oil product.
For this reason, the vertical stainless steel multistage centrifugal pump of the conveying oil product of the utility model comprises motor, the pump housing; It is characterized in that: the said pump housing comprises middle section body, mechanical sealing base, the pump shaft of importing and exporting section, sleeve, having interior ring passage; The suction mouth of pipe that described import and export Duan Shangshe isolates and the discharge mouth of pipe, described sleeve uprightly is provided with, the lower end of said sleeve and the assembling of described import and export section; The upper end of said sleeve and the assembling of described mechanical sealing base; Cylinder lever connecting rod between described import and export section and mechanical sealing base connects motor cabinet on the described mechanical sealing base, and described motor is assemblied on the described motor cabinet; Carry through a sliding bearing lower end of said pump shaft; The upper end of said pump shaft extends the top of said mechanical sealing base and is connected with the axle of said motor through coupling, make-up machinery sealing between described mechanical sealing base and pump shaft, and described middle section body is positioned at described sleeve and is assemblied on the described pump shaft; Between described sleeve and middle section body, form with described in encircle the outer ring channel of channel connection, the described suction mouth of pipe encircles passage in described, outer ring channel is communicated with the described discharge mouth of pipe.
As the optimization technique means, the said suction mouth of pipe is positioned on the same horizontal plane with the discharge mouth of pipe.
As the optimization technique means, establish seal ring between described sleeve and described import and export section, the mechanical sealing base.
As the optimization technique means, the bottom mounting base of said import and export section.
As the optimization technique means, described middle section body is made up of import body that is communicated with the said suction mouth of pipe and the assembly of two-stage centrifugal at least that is stacked on the said import body; Every group of described centrifugal assembly comprises stage casing parts, choma parts, impeller, deflector; Described choma parts, impeller, deflector are positioned at described stage casing parts and make progress stacked being assemblied on the described pump shaft successively; Described choma parts are positioned at the inlet of impeller, and described deflector is positioned at the outlet port of said impeller; The stage casing parts of centrifugal assemblies at different levels stack together, and the stage casing parts of the centrifugal assembly of next stage place on the described import body; The choma parts of the centrifugal assembly of next stage place on the described import body; The choma parts of the centrifugal assembly of upper level place on the deflector of the centrifugal assembly of next stage in all the other centrifugal assemblies at different levels, and described deflector is communicated with the described interior ring passage of formation with the impeller of adjacent two-stage centrifugal assembly.Further: described deflector is through sliding bearing and the assembling of described pump shaft.The stage casing parts of said centrifugal assemblies at different levels are by the puller strap tension between the stage casing parts that are connected said import body and the centrifugal assembly of upper level.Be provided with seal ring between described choma parts and the described impeller.
The beneficial effect of the utility model is: the general structure of pump adopts vertical, multistage, sectional type, tubular construction, and pump overcurrent part is dashed weldering with stainless steel materials through mould and formed, and runner, water diversion part are very level and smooth, and efficient is high, and is energy-conservation.Can select different caliber, progression according to different flows, lift; Contrast casting pump has in light weightly, and convenient transportation, floor space is little, noise is low, operate steadily, convenient for installation and maintenance and advantage such as pollution medium not.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Among the figure: 1-base, 2-import and export ring passage in section, 3-choma parts, 4-impeller, 5-pull bar, 6-sleeve, 7-stage casing parts, 8-seal ring, 9-mechanical sealing base, 10-coupling, 11-motor cabinet, 12-motor, 13-pump shaft, 14-mechanical seal, 15-middle section body, the 16-, 17-outer ring channel, 18-sliding bearing, 19-seal ring, 20-puller strap, 21-import body, the 22-pump housing, the 23-suction mouth of pipe, the 24-discharge mouth of pipe, 25-deflector, the centrifugal assembly of 26-.
Embodiment
Below in conjunction with Figure of description the utility model is further specified.
The vertical stainless steel multistage centrifugal pump of the conveying oil product of the utility model, as shown in Figure 1, it comprises motor 12 (anti-explosion motor is good), the pump housing 22; The pump housing 22 comprises middle section body 15, mechanical sealing base 9, the pump shaft 13 of importing and exporting section 2, sleeve 6, having interior ring passage 16; Establish the suction mouth of pipe 23 and the discharge mouth of pipe 24 of isolation on the import and export section 2, sleeve 6 uprightly is provided with, the lower end of sleeve 6 and 2 assemblings of import and export section; The upper end of sleeve 6 and mechanical sealing base 9 assemblings; Cylinder lever connecting rod 5 combines sleeve 6 and import and export section 2, mechanical sealing base 9 between import and export section 2 and mechanical sealing base 9, connection motor cabinet 11 on the mechanical sealing base 9, and motor 12 is assemblied on the motor cabinet 11; Carry through sliding bearing 18 lower end of pump shaft 13; The upper end of pump shaft 13 extends the top of mechanical sealing base 9 and is connected with the axle of motor 12 through coupling 10, make-up machinery sealing 14 between mechanical sealing base 9 and pump shaft 13, and middle section body 15 is positioned at sleeve 6 and is assemblied on the pump shaft 13; Between sleeve 6 and middle section body 15, form the outer ring channel 17 that is communicated with interior ring passage 16, the suction mouth of pipe 23 is communicated with the discharge mouth of pipe 24 through interior ring passage 16, outer ring channel 17.
As further improving and replenishing to technique scheme; The utility model also comprises following additional technical characteristics; Though Fig. 1 has comprised following all additional technical features; Be the preferred embodiment of the utility model, but the utility model is not limited to this situation, when implementing the utility model, they is selected for use on the described technological scheme of epimere according to specifically acting on.
At first, suck the mouth of pipe 23 and be positioned on the same horizontal plane, be convenient to install with the discharge mouth of pipe 24.
Secondly, establish seal ring 8 between sleeve 6 and import and export section 2, the mechanical sealing base 9, the material of seal ring 8 is the high-performance oil resistant rubber, and the life-span is long, more effectively prevents oil leak.
The 3rd, the bottom mounting base 1 of import and export section 2 is used to carry whole centrifugal pump.
The 4th, middle section body 15 constitutes by being communicated with import body 21 that sucks the mouth of pipe 23 and the assembly of two-stage centrifugal at least 26 that is stacked on the import body 21; Every group of centrifugal assembly comprises stage casing parts 7, choma parts 3, impeller 4, deflector 25; Choma parts 3, impeller 4, deflector 25 are positioned at stage casing parts 7 and make progress stacked being assemblied on the pump shaft 13 successively; Choma parts 3 are positioned at the inlet of impeller 4, and deflector 25 is positioned at the outlet port of impeller 4; The stage casing parts of centrifugal assemblies at different levels stack together, and the stage casing parts of the centrifugal assembly of next stage place on the import body 21; The choma parts of the centrifugal assembly of next stage place on the import body 21; The choma parts 3 of the centrifugal assembly of upper level place on the deflector of the centrifugal assembly of next stage in all the other centrifugal assemblies at different levels, and deflector is communicated with the described interior ring passage 16 of formation with the impeller of adjacent two-stage centrifugal assembly.Further: deflector 25 is through sliding bearing and pump shaft 13 assemblings.The stage casing parts of centrifugal assemblies at different levels are by 20 tensions of the puller strap between the stage casing parts 7 that are connected import body 21 and the centrifugal assembly of upper level.Be provided with seal ring 19 between choma parts 3 and the impeller 4, the material of seal ring 19 is nontoxic insulation, aging-resistant teflon, prevents to do the safety problem of having changeed spark.
The centrifugal pump of the utility model, when relating to sliding bearing, it is good to select for use hard material and soft material to be paired into.
That the centrifugal pump of the utility model, general structure adopt is vertical, multistage, sectional type, tubular construction, and component are many to be dashed weldering with stainless steel materials through mould and forms, and runner, water diversion part are very level and smooth, and efficient is high, and is energy-conservation; During pump operation, oil product flows to outer ring channel and simultaneously each component in sleeve, sliding bearing, the middle section body is cooled off through interior ring passage.Can select different caliber, progression according to different flows, lift; Contrast casting pump has in light weightly, and convenient transportation, floor space is little, noise is low, operate steadily, convenient for installation and maintenance and advantage such as pollution medium not.
Claims (8)
1. vertical stainless steel multistage centrifugal pump of carrying oil product; Comprise motor (12), the pump housing (22); It is characterized in that: the said pump housing (22) comprises middle section body (15), mechanical sealing base (9), the pump shaft (13) of importing and exporting section (2), sleeve (6), having interior ring passage (16); The described suction mouth of pipe (23) and the discharge mouth of pipe (24) of establishing isolation on the section (2) of importing and exporting; Described sleeve (6) is upright to be provided with; The lower end of said sleeve (6) and described import and export sections (2) assembling; The upper end of said sleeve (6) and described mechanical sealing base (9) assembling; Cylinder lever connecting rod (5) between described import and export sections (2) and mechanical sealing base (9), described mechanical sealing base (9) are gone up and are connected motor cabinet (11), and described motor (12) is assemblied on the described motor cabinet (11); Carry through a sliding bearing (18) lower end of said pump shaft (13); The upper end of said pump shaft (13) extends the top of said mechanical sealing base (9) and is connected with the axle of said motor (12) through coupling (10), make-up machinery sealing (14) between described mechanical sealing base (9) and pump shaft (13), and described middle section body (15) is positioned at described sleeve (6) and is assemblied on the described pump shaft (13); Between described sleeve (6) and middle section body (15), form with described in encircle the outer ring channel (17) that passage (16) is communicated with, the described suction mouth of pipe (23) encircles passage (16) in described, outer ring channel (17) is communicated with the described discharge mouth of pipe (24).
2. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 1 is characterized in that: the said suction mouth of pipe (23) and the discharge mouth of pipe (24) are positioned on the same horizontal plane.
3. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 1 is characterized in that: establish seal ring (8) between described sleeve (6) and described import and export sections (2), the mechanical sealing base (9).
4. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 1 is characterized in that: the said bottom mounting base (1) of importing and exporting section (2).
5. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 1 is characterized in that: described middle section body (15) is by the import body (21) that is communicated with the said suction mouth of pipe (23) and be stacked in the assembly of two-stage centrifugal at least (26) formation on the said import body (21); Every group of described centrifugal assembly (26) comprises stage casing parts (7), choma parts (3), impeller (4), deflector (25); Described choma parts (3), impeller (4), deflector (25) are positioned at described stage casing parts (7) and make progress stacked being assemblied on the described pump shaft (13) successively; Described choma parts (3) are positioned at the inlet of impeller (4), and described deflector (25) is positioned at the outlet port of said impeller (4); The stage casing parts (7) of centrifugal assemblies at different levels stack together, and the stage casing parts of the centrifugal assembly of next stage place on the described import body (21); The choma parts of the centrifugal assembly of next stage place on the described import body (21); The choma parts of the centrifugal assembly of upper level place on the deflector of the centrifugal assembly of next stage in all the other centrifugal assemblies at different levels, and described deflector is communicated with the described interior ring passage of formation with the impeller of adjacent two-stage centrifugal assembly.
6. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 5 is characterized in that: described deflector (25) is through sliding bearing and described pump shaft (13) assembling.
7. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 5 is characterized in that: the stage casing parts of said centrifugal assemblies at different levels are by puller strap (20) tension between the stage casing parts that are connected said import body (21) and the centrifugal assembly of upper level.
8. the vertical stainless steel multistage centrifugal pump of conveying oil product according to claim 5 is characterized in that: be provided with seal ring (19) between described choma parts (3) and the described impeller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204556757U CN202326278U (en) | 2011-11-16 | 2011-11-16 | Vertical stainless steel multistage centrifugal pump for conveying oil products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204556757U CN202326278U (en) | 2011-11-16 | 2011-11-16 | Vertical stainless steel multistage centrifugal pump for conveying oil products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326278U true CN202326278U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204556757U Expired - Fee Related CN202326278U (en) | 2011-11-16 | 2011-11-16 | Vertical stainless steel multistage centrifugal pump for conveying oil products |
Country Status (1)
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| CN (1) | CN202326278U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883290A (en) * | 2014-03-26 | 2014-06-25 | 中国海洋石油总公司 | Multiphase flow mixing and conveying system for offshore oil and gas field |
| CN104847700A (en) * | 2015-05-28 | 2015-08-19 | 浙江南元泵业有限公司 | Pump shaft position-changeable water incoming and outgoing body structure |
| CN104986195A (en) * | 2015-07-10 | 2015-10-21 | 核工业理化工程研究院 | Alcohol conveying device |
| CN105229309A (en) * | 2013-05-22 | 2016-01-06 | 格兰富控股联合股份公司 | Multifunctional self sucking centrifugal pump unit |
| CN106122105A (en) * | 2016-08-08 | 2016-11-16 | 浙江南元泵业有限公司 | Centrifugal pump water outlet guide vane structure and manufacture method thereof |
| CN106224285A (en) * | 2016-08-25 | 2016-12-14 | 浙江南元泵业有限公司 | Water pump core arrangement |
-
2011
- 2011-11-16 CN CN2011204556757U patent/CN202326278U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105229309A (en) * | 2013-05-22 | 2016-01-06 | 格兰富控股联合股份公司 | Multifunctional self sucking centrifugal pump unit |
| US10337516B2 (en) | 2013-05-22 | 2019-07-02 | Grundfos Holding A/S | Multi-stage, self-priming centrifugal pump assembly |
| CN103883290A (en) * | 2014-03-26 | 2014-06-25 | 中国海洋石油总公司 | Multiphase flow mixing and conveying system for offshore oil and gas field |
| CN104847700A (en) * | 2015-05-28 | 2015-08-19 | 浙江南元泵业有限公司 | Pump shaft position-changeable water incoming and outgoing body structure |
| CN104986195A (en) * | 2015-07-10 | 2015-10-21 | 核工业理化工程研究院 | Alcohol conveying device |
| CN106122105A (en) * | 2016-08-08 | 2016-11-16 | 浙江南元泵业有限公司 | Centrifugal pump water outlet guide vane structure and manufacture method thereof |
| CN106224285A (en) * | 2016-08-25 | 2016-12-14 | 浙江南元泵业有限公司 | Water pump core arrangement |
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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 |
Granted publication date: 20120711 Termination date: 20161116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |