CN204985097U - Water pump structure - Google Patents
Water pump structure Download PDFInfo
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- CN204985097U CN204985097U CN201520758329.4U CN201520758329U CN204985097U CN 204985097 U CN204985097 U CN 204985097U CN 201520758329 U CN201520758329 U CN 201520758329U CN 204985097 U CN204985097 U CN 204985097U
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- fixed
- axle
- fastening piece
- water pump
- blower inlet
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Abstract
The utility model relates to a water pump structure that condenses, this water pump structure forms by sucking casing, rectifying tube, axle, inducer, impeller, blower inlet casing, turbine guide bearing, discharge casing, seal, mechanical seal, motor support, shaft coupling, sealing ring, axle sleeve, bearing cover, key, sealing washer, balance pipe, fastener etc.. This water pump supplies the design of large -scale nuclear power station condensate pump hydraulic component to use to and do two take the place ofs and use with the pump design of nuclear power station containment cooling. This water pump structure is simple, simple to operate. The important technical foundation and the guarantee of the design of large -scale million kilowatts and nuclear power station condensate pump, have higher economic value and long -range development prospect.
Description
Technical field: the utility model relates to a kind of water pump structure.
Background technique:
Domesticly at present greatly develop nuclear power station, present nuclear power station be more and more with pump.But the pump belonging to the intellectual property being our autonomous Design is little, be all external technology mostly at present, this does not meet the requirement of national production domesticization ratio.The producer having the ability to design core two stage pump is at present also little, and major part has manufacture qualification, even the producer's designed capacity having design qualification is also limited, is mostly localization Design, and a lot of pump all could not realize autonomy-oriented design.Domestic uniquely have the producer of core level two design qualification to be localization Design entirely at several core two stage pumps that two generations added on nuclear power station, model and structure be existing abroad entirely, the autonomy-oriented project organization of not controlling oneself, does not have the intellectual property of oneself, by external restriction.
Summary of the invention: the purpose of this utility model is to provide that structure is simple, stable performance, reliable, safe a kind of water pump structure.The technical solution of the utility model is: a kind of water pump structure, and balancing drum (29) is enclosed within axle (9) by key one (30); Sleeve (31) is fixed on Spit Section (28) by fastening piece three (40); Snap ring (32) is installed on axle (9); Axle sleeve one (34) is fixed on balancing drum (29) by fastening piece two (39), and seal (35) is fixed on Spit Section (28) by fastening piece one (33); Mechanical seal (36) is fixed on seal (35), and axial organ assembly (38) is enclosed within the upper end of axle (9), and axle sleeve two (45) is fixed on axle (9) by key two (27); Support (37) is connected on Spit Section (28) by fastening piece four (41).
Guide bearing one (26) is enclosed within secondary blower inlet casing (24), and bearing gland one (25) will guide bearing one (26) be fixed on secondary blower inlet casing (24) by fastening piece three (46); Secondary blower inlet casing (24) is fixed on Spit Section (28) by fastening piece five (43), and suction casing (1) is fixed on Spit Section (28) by fastening piece six (44).
After secondary, choma (23) is arranged on secondary blower inlet casing (24), axle sleeve three (19) and sencond stage impeller (21) are fixed on axle (9) by key three (22), sencond stage impeller (21) and axle sleeve two (45) are close to, secondary preoral loop (20) is arranged on the rear end of one-level blower inlet casing (15), and after one-level, choma (16) is contained in the front end of one-level blower inlet casing (15).
Guide bearing two (18) is contained in one-level blower inlet casing (15), and guide bearing two (18) is fixed in one-level blower inlet casing (15) by fastening piece nine (48) by bearing gland two (17).
One-level blower inlet casing (15) is fixed on secondary blower inlet casing (24) by fastening piece eight (47).
One stage impeller (13) and inducer (10) are fixed on axle (9) by key four (14), one stage impeller (13) and axle sleeve three (19) are close to, one-level preoral loop (12) is contained in the rear end of excessive section (11), and changeover portion (11) is arranged on one-level blower inlet casing (15) by fastening piece ten (49).
Little round nut (3) and round nut (2) are by by key five (8), the axle sleeve four (5) be enclosed within axle (9) is fixed on axle (9), and axle sleeve four (5) and inducer (10) are close to; Guide bearing three (6) is arranged in rectifier lamp (7), and guide bearing (6) is fixed in rectifier lamp (7) by bearing gland three (4) fastening piece ten two (51).
Suction casing (1) is connected on Spit Section (28) by fastening piece ten one (50), and balance tube assembly (42) is connected on Spit Section (28)
Working procedure of the present utility model is: axle (9) rotates and drives inducer (10) and one stage impeller (13) and sencond stage impeller (21) to rotate, the suction port of water from suction casing (1) is sucked, via rectifier lamp (7), after being increased by inducer (10) rotating energy, be discharged in one stage impeller (13) via conduit (11), after being increased by one stage impeller (13) rotating energy, enter in one-level blower inlet casing (15), enter in sencond stage impeller (21) after one-level blower inlet casing (15) rectification, import after being increased by sencond stage impeller (21) rotating energy in secondary blower inlet casing (24), Spit Section (28) is discharged to after secondary blower inlet casing (24) rectification, outside exhaust port excavationg pump again by Spit Section (28).
Technological merit of the present utility model and good effect are:
1, a kind of condensate pump structure of the present utility model, as shown in Figure 1, this pump structure is simple, easy for installation, does not have complicated component structural.
2, a kind of condensate pump structure of the present utility model, as shown in Figure 1, the utility model have employed inducer, reduces the cavitation of pump-unit, improves the anti-cavitation ability of pump.
3, a kind of condensate pump structure of the present utility model, as shown in Figure 1, rectifier lamp 7, as plate shape, can well play rectified action thus not easily produce vortex.
4, the utility model advanced and reasonable design, stable, efficient for ensureing in 95% ~ 105% flow region, the hydraulic model of pump has carried out the optimization of following aspect, reduces hydraulic loss, thus improves overall efficiency.
5, the utility model suction connection take on same horizontal line with spuing, so that the layout of place pipeline, installation and removal facilitate.
6, the utility model also can use gland sealed pump structure doing pump model test device and be used in when general occasion makees condensate pump, as shown in Figure 2, when using packing seal structure, the content of claim 1 just becomes axle sleeve one (33) and is fixed on axle (9) by key one (30), guide bearing four (31) is enclosed within stuffing box (32), and bearing gland four (29) is positioned at guide bearing (31) by pin (44) and goes up and use fastening piece three (40) to be fixed on stuffing box (32).Stuffing box (32) is fixed on Spit Section (28) by fastening piece two (39).Filler (34) is fixed in stuffing box (32) by fastening piece one (36) by Gland (35).Coupling assembly (38) is enclosed within the upper end of axle (9), and support (37) is connected on Spit Section (28) by fastening piece four (41).
Accompanying drawing illustrates:
Fig. 1 is a kind of condensate pump structural representation of the utility model
Fig. 2 is a kind of gland sealed condensate pump of the utility model structure
Fig. 3 packing seal assembly enlarged view
Embodiment:
Water pump structure as shown in Figure 1, is enclosed within axle 9 by balancing drum 29 by key 1; Sleeve 31 is fixed on Spit Section 28 by fastening piece 3 40; Again snap ring 32 is installed on axle 9; Axle sleeve 1 is fixed on balancing drum 29 by fastening piece 2 39, then seal 35 is fixed on Spit Section 28 by fastening piece 1; Mechanical seal 36 is fixed on seal 35, coupling assembly 38 is enclosed within the upper end of axle 9, axle sleeve 2 45 is fixed on axle 9 by key 2 27; Again support 37 is connected on Spit Section 28 by fastening piece 4 41.
As shown in Figure 2, guide bearing 1 is enclosed within secondary blower inlet casing 24, and bearing gland 1 will guide bearing 1 be fixed on secondary blower inlet casing 24 by fastening piece 3 46; Secondary blower inlet casing 24 is fixed on Spit Section 28 by fastening piece 5 43, and suction casing 1 is fixed on Spit Section 28 by fastening piece 6 44.
Choma after secondary 23 is arranged on secondary blower inlet casing 24, again axle sleeve 3 19 and sencond stage impeller 21 are fixed on axle 9 by key 3 22, sencond stage impeller 21 and axle sleeve 2 45 are close to, secondary preoral loop 20 is arranged on the rear end of one-level blower inlet casing 15, then choma after one-level 16 is contained in the front end of one-level blower inlet casing 15.
Guide bearing 2 18 is contained in one-level blower inlet casing 15, guide bearing 2 18 is fixed in one-level blower inlet casing 15 by fastening piece 9 48 by bearing gland 2 17.
One-level blower inlet casing 15 is fixed on secondary blower inlet casing 24 by fastening piece 8 47.
One stage impeller 13 and inducer 10 are fixed on axle 9 by key 4 14, one stage impeller 13 and axle sleeve 3 19 are close to, then one-level preoral loop 12 is contained in the rear end of excessive section 11, changeover portion 11 is arranged on one-level blower inlet casing 15 by fastening piece 10.
With little round nut 3 and these two parts of round nut 2 by by key 58, the axle sleeve 45 be enclosed within axle 9 is fixed on axle 9, axle sleeve 45 and inducer 10 are close to; Be arranged in rectifier lamp 7 with guide bearing 36 again, guide bearing 6 is fixed in rectifier lamp 7 by bearing gland 34 fastening piece 12.
Suction casing 1 is connected on Spit Section 28 by fastening piece 11, then balance tube assembly 42 is connected on Spit Section 28.
As shown in Figure 3 when using packing seal structure, just can be fixed on axle 9 by key 1 by axle sleeve 1, guide bearing 4 31 is enclosed within stuffing box 32, and bearing gland 4 29 is positioned on guide bearing 31 by pin 44 and is also fixed on stuffing box 32 with fastening piece 3 40.Stuffing box 32 is fixed on Spit Section 28 by fastening piece 2 39.Filler 34 is fixed in stuffing box 32 by fastening piece 1 by Gland 35.Coupling assembly 38 is enclosed within the upper end of axle 9, and support 37 is connected on Spit Section 28 by fastening piece 4 41.
Claims (8)
1. a water pump structure, is characterized in that: balancing drum (29) is enclosed within axle (9) by key one (30); Sleeve (31) is fixed on Spit Section (28) by fastening piece three (40); Snap ring (32) is installed on axle (9); Axle sleeve one (34) is fixed on balancing drum (29) by fastening piece two (39), and seal (35) is fixed on Spit Section (28) by fastening piece one (33); Mechanical seal (36) is fixed on seal (35), coupling assembly (38) is enclosed within the upper end of axle (9), and axle sleeve two (45) is fixed on axle (9) by key two (27); Support (37) is connected on Spit Section (28) by fastening piece four (41).
2. a kind of water pump structure according to claim 1, it is characterized in that: guide bearing one (26) is enclosed within secondary blower inlet casing (24), bearing gland one (25) will guide bearing one (26) be fixed on secondary blower inlet casing (24) by fastening piece three (46); Secondary blower inlet casing (24) is fixed on Spit Section (28) by fastening piece five (43), and suction casing (1) is fixed on Spit Section (28) by fastening piece six (44).
3. a kind of water pump structure according to claim 1, it is characterized in that: after secondary, choma (23) is arranged on secondary blower inlet casing (24), axle sleeve three (19) and sencond stage impeller (21) are fixed on axle (9) by key three (22), sencond stage impeller (21) and axle sleeve two (45) are close to, secondary preoral loop (20) is arranged on the rear end of one-level blower inlet casing (15), and after one-level, choma (16) is contained in the front end of one-level blower inlet casing (15).
4. a kind of water pump structure according to claim 1, it is characterized in that: guide bearing two (18) is contained in one-level blower inlet casing (15), and guide bearing two (18) is fixed in one-level blower inlet casing (15) by fastening piece nine (48) by bearing gland two (17).
5. a kind of water pump structure according to claim 1, is characterized in that: one-level blower inlet casing (15) is fixed on secondary blower inlet casing (24) by fastening piece eight (47).
6. a kind of water pump structure according to claim 1, it is characterized in that: one stage impeller (13) and inducer (10) are fixed on axle (9) by key four (14), one stage impeller (13) and axle sleeve three (19) are close to, one-level preoral loop (12) is contained in the rear end of excessive section (11), and changeover portion (11) is arranged on one-level blower inlet casing (15) by fastening piece ten (49).
7. a kind of water pump structure according to claim 1, it is characterized in that: little round nut (3) and round nut (2) are by by key five (8), the axle sleeve four (5) be enclosed within axle (9) is fixed on axle (9), and axle sleeve four (5) and inducer (10) are close to; Guide bearing three (6) is arranged in rectifier lamp (7), and guide bearing (6) is fixed in rectifier lamp (7) by bearing gland three (4) fastening piece ten two (51).
8. a kind of water pump structure according to claim 1, it is characterized in that: suction casing (1) is connected on Spit Section (28) by fastening piece ten one (50), and balance tube assembly (42) is connected on Spit Section (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758329.4U CN204985097U (en) | 2015-09-28 | 2015-09-28 | Water pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520758329.4U CN204985097U (en) | 2015-09-28 | 2015-09-28 | Water pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985097U true CN204985097U (en) | 2016-01-20 |
Family
ID=55119471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520758329.4U Active CN204985097U (en) | 2015-09-28 | 2015-09-28 | Water pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825509A (en) * | 2018-08-22 | 2018-11-16 | 上海上涵自动化科技有限公司 | A kind of peak regulation energy-saving pump |
-
2015
- 2015-09-28 CN CN201520758329.4U patent/CN204985097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825509A (en) * | 2018-08-22 | 2018-11-16 | 上海上涵自动化科技有限公司 | A kind of peak regulation energy-saving pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |