CN203516091U - Large-sized water ring vacuum pump - Google Patents
Large-sized water ring vacuum pump Download PDFInfo
- Publication number
- CN203516091U CN203516091U CN201320565535.4U CN201320565535U CN203516091U CN 203516091 U CN203516091 U CN 203516091U CN 201320565535 U CN201320565535 U CN 201320565535U CN 203516091 U CN203516091 U CN 203516091U
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- China
- Prior art keywords
- pump cover
- pump
- water ring
- impeller
- cover
- Prior art date
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Abstract
The utility model relates to a large-sized water ring vacuum pump, and belongs to the technical field of water ring vacuum pumps. The large-sized water ring vacuum pump comprises a pump body (3), an impeller (4), a front pump cover (6), a rear pump cover (1) and a pump shaft (7), wherein the impeller (4) is eccentrically arranged in the pump body (3); a front distributing plate (8) is fixed between the front pump cover (6) and the pump body (3), and a rear distributing plate (9) is fixed between the rear pump cover (1) and the pump body (3); the impeller (4) comprises a hub (402) and a plurality of blades (401) uniformly distributed on the hub (402); a radial support rib (405) is arranged at the intermediate part of each blade (401). The large-sized water ring vacuum pump is characterized in that each blade (401) is provided with a first reinforcing rib (403) at the periphery of a position which is 100-200 mm away from the side surface of an end part, and the blade (401) is also provided with at least one second reinforcing rib (404) between the first reinforcing rib (403) and the support rib (405). The large-sized water ring vacuum pump disclosed by the utility model is reasonable in reinforcing rib distribution, effectively enhances the bending strength of the blades (401) and prolongs the service life of the impeller (4).
Description
Technical field
Large-scale water ring vaccum pump, belongs to water ring vaccum pump technical field, is specifically related to a kind of gettering quantity at 2000 m
large-scale vacuum more than/min.
Background technique
Water ring vaccum pump, belong to blade fluid machinery, be applicable to the fields such as chemical industry, colliery, metallurgy, papermaking, light industry, be mainly used to carry out Vacuum Concentration, vacuum dehydration, vacuum drying, vacuum gas pumping gas, vacuum oxygen, vacuum handling, along with the increase gradually of output, also increasing to the requirement of vacuum pump gettering quantity, current water ring vaccum pump gettering quantity is lower, cannot meet need of production, if by many vacuum pump series connection co-operation, power of motor can be very large.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of raising blade resistance to flexure, the large-scale water ring vaccum pump of long service life.
The utility model solves the technological scheme that its technical problem adopts: this large-scale water ring vaccum pump, comprise the pump housing, bias is arranged on the impeller in the pump housing, front pump cover, rear pump cover and pump shaft, between front pump cover and the pump housing, be fixed with front distribution plate, between rear pump cover and the pump housing, be fixed with rear distribution plate, pump shaft and impeller be concentric fixes and passes front pump cover, on front pump cover and rear pump cover, be equipped with intakeport and relief opening, impeller comprises wheel hub and a plurality of blade being distributed on wheel hub, blade middle part is provided with a supporting rib radially, it is characterized in that: described blade is being provided with the first rinforcement bar apart from border, end sides 100～200mm place, blade is also provided with at least one second rinforcement bar between the first rinforcement bar and supporting rib.Rinforcement bar distributes rationally, and blade middle part has supporting rib to connect, and blade tip is open, so blade tip is easier to bending, at blade tip, be provided with the first rinforcement bar, the first rinforcement bar, apart from blade tip side 100～200mm, prevents that the first rinforcement bar from affecting the work of distribution plate; Because length of blade is larger, so the second rinforcement bar is set between the first rinforcement bar and supporting rib, effectively strengthened the resistance to flexure of blade, improve impeller life cycle and working life.
Long 6000～the 6200mm of vacuum pump, wide 4200～4300mm, high 4100～4200mm, gettering quantity is 2400～2600m
/ min.Provide a kind of gettering quantity can reach 2400～2600m
the water ring vaccum pump of/min, meets the requirement of production capacity, and Sizes takes up room little.
The outside diameter of described impeller is 2900～3100mm, and pump housing outside diameter is 3600～3700mm, and the distance of shaft centers of impeller and the pump housing is 220～240mm.Appropriate design throw of eccentric, the working efficiency of raising blade.
Described the first rinforcement bar is apart from blade tip side 160mm.Guarantee blade resistance to flexure, prevent from interfering the work of distribution plate simultaneously.
The width of described the first rinforcement bar is greater than the width of the second rinforcement bar.Stressed second rinforcement bar that is greater than of the first rinforcement bar, when guaranteeing blade resistance to flexure, is convenient to weld the second rinforcement bar, and reduces production costs.
Described the first rinforcement bar width is 160mm, and the width of the second rinforcement bar is 140mm.According to the width of impeller size appropriate design rinforcement bar, when guaranteeing blade resistance to flexure, reduce production costs as far as possible, convenient welding, avoids welding to cause the distortion of blade outer end.
The internal diameter of described intakeport and relief opening is identical, is 750～850mm.
Described intakeport comprises the horizontal intakeport of rear pump cover of intakeport, rear pump cover side on the horizontal intakeport of front pump cover of intakeport on the front pump cover that is arranged on front pump cover top, front pump cover side and the rear pump cover at rear pump cover top; Described relief opening comprises the horizontal relief opening of rear pump cover of relief opening, rear pump cover side on the horizontal relief opening of front pump cover of relief opening on the front pump cover that is arranged on front pump cover top, front pump cover side and the rear pump cover at rear pump cover top.
Described front pump cover and rear pump cover are symmetrical arranged, and on front pump cover, on relief opening and front pump cover, the centre distance of intakeport is 2000～2050mm, and on front pump cover, on relief opening and rear pump cover, the centre distance of relief opening is 4575～4625mm.
Preferably, the long 6130mm of described pump shaft, vacuum pump total length 6156.5mm, wide 4280mm, high 4175mm, impeller diameter is 2960mm, and the distance of shaft centers of impeller and the pump housing is 231mm, and the gettering quantity of vacuum pump is 2500m
/ min.
Compared with prior art, the beneficial effect that the large-scale water ring vaccum pump of the utility model has is:
1, rinforcement bar distributes rationally, and blade middle part has supporting rib to connect, and blade tip is open, so blade tip is easier to bending, so be provided with the first rinforcement bar at blade tip, the first rinforcement bar, apart from blade tip side 100～200mm, prevents that the first rinforcement bar from affecting the work of distribution plate; Because length of blade is larger, so the second rinforcement bar is set between the first rinforcement bar and supporting rib, effectively strengthened the resistance to flexure of blade, improve impeller life cycle and working life.
2, stable, gettering quantity is large, selects suitable size, provides a kind of gettering quantity can reach 2400～2600m
the water ring vaccum pump of/min, meets the requirement of production capacity; Sizes, takes up room little, stable, and a water ring vaccum pump of the present utility model can reach the workload of many minipumps, saving power.
3, the width of the first rinforcement bar is greater than the width of the second rinforcement bar, and stressed second rinforcement bar that is greater than of the first rinforcement bar, when guaranteeing blade resistance to flexure, is convenient to weld the second rinforcement bar, and is reduced production costs.
4, the position of appropriate design intakeport and relief opening and size, make the compact structure of vacuum pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of the large-scale water ring vaccum pump of the utility model.
Fig. 2 is the structural representation of front pump cover.
Fig. 3 is the plan view schematic diagram of the utility model water ring vaccum pump.
Fig. 4 is the sectional view schematic diagram at A-A place in Fig. 1.
Wherein: 1, rear pump cover 2, on rear pump cover, relief opening 3, the pump housing 4, impeller 401, blade 402, wheel hub 403, the first rinforcement bar 404, the second rinforcement bar 405, supporting rib 5, on front pump cover, relief opening 6, front pump cover 7, pump shaft 8, front distribution plate 9, rear distribution plate 10, on front pump cover, intakeport 11, on rear pump cover, intakeport 12, the horizontal relief opening 13 of rear pump cover, the horizontal intakeport 14 of rear pump cover, the horizontal relief opening 15 of front pump cover, the horizontal intakeport 16 of front pump cover, supporting foot.
Embodiment
Fig. 1 ~ 4th, the most preferred embodiment of the large-scale water ring vaccum pump of the utility model, is described further below in conjunction with 1 ~ 4 pair of the utility model of accompanying drawing.
With reference to accompanying drawing 1: large-scale water ring vaccum pump, the cylindrical shape pump housing 3 that comprises both ends open, bias is arranged on the impeller 4 in the pump housing 3, be fixed on front pump cover 6 and the rear pump cover 1 at the pump housing 3 two ends, and pump shaft 7, between front pump cover 6 and the pump housing 3, be fixed with front distribution plate 8, between rear pump cover 1 and the pump housing 3, be fixed with rear distribution plate 9, pump shaft 7 is concentric fixing with impeller 4, pump shaft 7 and front pump cover 6, between rear pump cover 1, be respectively equipped with bearing, pump shaft 7 front ends pass front pump cover 6, seal cap sealing is passed through in rear end, vacuum pump total length 6156.5mm, wide 4280mm, high 4175mm, impeller 4 outside diameters are 2960mm, the outside diameter of the pump housing 3 is 3630mm, impeller 4 is 231mm with the distance of shaft centers of the pump housing 3, the gettering quantity of the water ring vaccum pump of making according to this size can reach 2500m
/ min.
With reference to Fig. 2～3: front pump cover 6 tops are provided with on a front pump cover intakeport 10 on relief opening 5 and a front pump cover, front pump cover 6 sides are provided with a horizontal relief opening 14 of front pump cover and a horizontal intakeport 15 of front pump cover, rear pump cover 1 and front pump cover 6 symmetries, top is provided with on a rear pump cover intakeport 11 on relief opening 2 and a rear pump cover, side is provided with a horizontal relief opening 12 of rear pump cover and a horizontal intakeport 13 of rear pump cover, the centre distance of intakeport 10 on relief opening 5 and front pump cover on front pump cover, on rear pump cover, on relief opening 2 and rear pump cover, the centre distance of intakeport 11 is 2020mm, the centre distance of relief opening 2 on relief opening 5 and rear pump cover on front pump cover, on front pump cover on intakeport 10 and rear pump cover the centre distance of intakeport 11 for being 4593mm, front pump cover 6 equates with each intakeport on rear pump cover 1 and the internal diameter of relief opening, for 800mm.
With reference to Fig. 1,4, impeller 4 comprises wheel hub 402 and a plurality of blade 401 being distributed on wheel hub 402, and a supporting rib 405 having is radially established at blade 401 middle parts, and supporting rib 405 inner rings are connected to wheel hub 402 middle parts, and wheel hub 402 is broad in the middle, the fusiformis that two is little.Blade 401 borders, two end part are provided with the first rinforcement bar 403, blade 401 is also provided with the second rinforcement bar 404 between the first rinforcement bar 403 and supporting rib 405, blade 401 open-ended, so blade 401 ends are easier to bending, so be provided with the first rinforcement bar 403 in blade 401 ends, by calculating and testing, the first rinforcement bar 403 is apart from blade 401 end sides 160mm, can guarantee to greatest extent the resistance to flexure of blade 401, because blade 401 length are larger, so be provided with the second rinforcement bar 404 between the first rinforcement bar 403 and supporting rib 405, effectively strengthened the resistance to flexure of blade 401, improve impeller life cycle and working life.The width of the first rinforcement bar 403 is greater than the width of the second rinforcement bar 404, and the first rinforcement bar 403 width are 160mm, and the width of the second rinforcement bar 404 is 140mm.The power that the first rinforcement bar 403 bears is obviously greater than the second rinforcement bar 404, so the first rinforcement bar 403 is widened, further guarantees the resistance to flexure of blade 401.And stressed the second little rinforcement bar 404 width are little, when guaranteeing blade 401 intensity, reduce production costs, reduce impeller weight, be also convenient to weld the second rinforcement bar 404 simultaneously.
When welding the first rinforcement bar 403 and the second rinforcement bar 404, first in blade 401 borders, offer groove, the first rinforcement bar 403 and the second rinforcement bar 404 are comprised of two semicircles or multistage curved portion respectively, the first rinforcement bar 403 and the second rinforcement bar 404 segmentations are welded in the groove of blade 401, and the first rinforcement bar 403 is connected to as a whole annular ring with the second rinforcement bar 404.
Working principle and working procedure are as follows: impeller 4 in the pump housing 3, using appropriate water or oil as working solution.When impeller 4 clockwise direction rotation, water is thrown to surrounding by blade 401, and due to the effect of centrifugal force, water has formed a closed circle that is similar to equal thickness that is decided by pump chamber shape.The lower part internal surface of water ring just and wheel hub 402 tangent, the upper inside surface of water ring just contacts with blade 401 tops.Now between wheel hub 402 and water ring, form a crescent-shaped space, and this space is divided into several loculuses that equate with blade 401 numbers by impeller 4.If take 0 ° of the bottom of impeller 4, it is starting point, the volume of impeller 4 loculus when first 180 ° of rotation changes from small to big so, and communicate with intakeport 11 on intakeport 10 on front pump cover on end face and rear pump cover, now gas is inhaled into, when air-breathing at the end loculus isolated with intakeport; When impeller 4 continues rotation, loculus from large to small, makes gas compressed.The horizontal intakeport 15 of front pump cover, the horizontal relief opening 14 of front pump cover, the horizontal relief opening 12 of rear pump cover and the horizontal intakeport 13 of rear pump cover are all in normally off.
Be more than most preferred embodiment of the present utility model, the utility model can also adopt following structure: vacuum pump length can be selected 6000～6200mm, widely can select 4200～4300mm, and height can be selected 4100～4200mm; On front pump cover, on relief opening 5 and front pump cover, the centre distance of intakeport 10 can be selected 2000～2050mm, and on front pump cover, on relief opening 5 and rear pump cover, the centre distance of relief opening 2 can be selected 4575～4625mm; Each intakeport on front pump cover 6 and rear pump cover 1 and the internal diameter of relief opening can be selected 750～850mm.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (10)
1. a large-scale water ring vaccum pump, comprise the pump housing (3), bias is arranged on the impeller (4) in the pump housing (3), front pump cover (6), rear pump cover (1) and pump shaft (7), between front pump cover (6) and the pump housing (3), be fixed with front distribution plate (8), between rear pump cover (1) and the pump housing (3), be fixed with rear distribution plate (9), pump shaft (7) and impeller (4) be concentric fixes and passes front pump cover (6), on front pump cover (6) and rear pump cover (1), be equipped with intakeport and relief opening, impeller (4) comprises wheel hub (402) and a plurality of blade (401) being distributed on wheel hub (402), blade (401) middle part is provided with a supporting rib (405) radially, it is characterized in that: described blade (401) is being provided with the first rinforcement bar (403) apart from border, end sides 100～200mm place, blade (401) is also provided with at least one second rinforcement bar (404) between the first rinforcement bar (403) and supporting rib (405).
2. large-scale water ring vaccum pump according to claim 1, is characterized in that: vacuum pump is grown 6000～6200mm, wide 4200～4300mm, and high 4100～4200mm, gettering quantity is 2400～2600m
/ min.
3. large-scale water ring vaccum pump according to claim 1, it is characterized in that: the outside diameter of described impeller (4) is 2900～3100mm, the pump housing (3) outside diameter is 3600～3700mm, and impeller (4) is 220～240mm with the distance of shaft centers of the pump housing (3).
4. large-scale water ring vaccum pump according to claim 1, is characterized in that: described the first rinforcement bar (403) is apart from blade (401) end sides 160mm.
5. large-scale water ring vaccum pump according to claim 1, is characterized in that: the width of described the first rinforcement bar (403) is greater than the width of the second rinforcement bar (404).
6. large-scale water ring vaccum pump according to claim 5, is characterized in that: described the first rinforcement bar (403) width is 160mm, and the width of the second rinforcement bar (404) is 140mm.
7. large-scale water ring vaccum pump according to claim 1, is characterized in that: the internal diameter of described intakeport and relief opening is identical, is 750～850mm.
8. according to the large-scale water ring vaccum pump described in claim 1 or 7, it is characterized in that: described intakeport comprises the horizontal intakeport of rear pump cover (13) of intakeport (11), rear pump cover (1) side on the horizontal intakeport of front pump cover (15) of intakeport (10) on the front pump cover that is arranged on front pump cover (6) top, front pump cover (6) side and the rear pump cover at rear pump cover (1) top; Described relief opening comprises the horizontal relief opening of rear pump cover (12) of relief opening (2), rear pump cover (1) side on the horizontal relief opening of front pump cover (14) of relief opening (5) on the front pump cover that is arranged on front pump cover (6) top, front pump cover (6) side and the rear pump cover at rear pump cover (1) top.
9. large-scale water ring vaccum pump according to claim 8, it is characterized in that: described front pump cover (6) is symmetrical arranged with rear pump cover (1), on relief opening on front pump cover (5) and front pump cover, the centre distance of intakeport (10) is 2000～2050mm, and on relief opening on front pump cover (5) and rear pump cover, the centre distance of relief opening (2) is 4575～4625mm.
10. large-scale water ring vaccum pump according to claim 1, it is characterized in that: the long 6130mm of described pump shaft (7), vacuum pump total length 6156.5mm, wide 4280mm, high 4175mm, impeller (4) diameter is 2960mm, and impeller (4) is 231mm with the distance of shaft centers of the pump housing (3), and the gettering quantity of vacuum pump is 2500m
/ min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565535.4U CN203516091U (en) | 2013-09-12 | 2013-09-12 | Large-sized water ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565535.4U CN203516091U (en) | 2013-09-12 | 2013-09-12 | Large-sized water ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516091U true CN203516091U (en) | 2014-04-02 |
Family
ID=50375029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320565535.4U Expired - Fee Related CN203516091U (en) | 2013-09-12 | 2013-09-12 | Large-sized water ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847659A (en) * | 2015-01-05 | 2015-08-19 | 兰州理工大学 | Liquid ring pump blade wheel |
| CN105179244A (en) * | 2015-11-10 | 2015-12-23 | 武汉艾德沃泵阀有限公司 | Water ring vacuum pump |
| CN105179242A (en) * | 2015-08-21 | 2015-12-23 | 武汉艾德沃泵阀有限公司 | Double-stage and double-acting liquid ring pump |
| CN107061313A (en) * | 2017-06-19 | 2017-08-18 | 高博 | A kind of liquid-ring vacuum pump |
-
2013
- 2013-09-12 CN CN201320565535.4U patent/CN203516091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847659A (en) * | 2015-01-05 | 2015-08-19 | 兰州理工大学 | Liquid ring pump blade wheel |
| CN105179242A (en) * | 2015-08-21 | 2015-12-23 | 武汉艾德沃泵阀有限公司 | Double-stage and double-acting liquid ring pump |
| CN105179244A (en) * | 2015-11-10 | 2015-12-23 | 武汉艾德沃泵阀有限公司 | Water ring vacuum pump |
| CN107061313A (en) * | 2017-06-19 | 2017-08-18 | 高博 | A kind of liquid-ring vacuum pump |
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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: 20140402 Termination date: 20150912 |
|
| EXPY | Termination of patent right or utility model |