CN205089649U - Novel energy -saving water ring vacuum pump - Google Patents
Novel energy -saving water ring vacuum pump Download PDFInfo
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- CN205089649U CN205089649U CN201520861562.5U CN201520861562U CN205089649U CN 205089649 U CN205089649 U CN 205089649U CN 201520861562 U CN201520861562 U CN 201520861562U CN 205089649 U CN205089649 U CN 205089649U
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Abstract
The utility model discloses a novel energy -saving water ring vacuum pump, including the pump body, impeller, axle, protecgulum, hou gai. Wear to have put the axle in the pump body, the inside epaxial cover of the pump body is equipped with the impeller, and impeller the place ahead and rear symmetry are provided with the break plate, and pump body front end is provided with the protecgulum, and pump body rear end is provided with the back lid, is provided with first centrifugal pan in the protecgulum, is provided with preceding bearing parts in the first centrifugal pan, be provided with the second centrifugal pan in the lid of back, be provided with the compensation packing ring between hou gai and the back bearing parts, be provided with back bearing parts in the second centrifugal pan, epaxial, the hou gai of protecgulum and combination department of preceding break plate and the epaxial filler parts that all are provided with of break plate combination department afterwards. The utility model discloses a carried out reasonable optimal design to parts such as water ring vacuum pump's the pump body, impeller, break plates, can not only guaranteed vacuum pump steady operation, it is sealed reliable, can also improve work efficiency, reduce the energy consumption, energy -conserving effect is fairly obvious.
Description
Technical field
The utility model relates to a kind of novel energy-saving water ring vaccum pump for maintaining vacuum condition in Thermal generation unit vapour condenser.
Background technique
Water ring vaccum pump mainly plays air in suction Turbo-generator Set vapour condenser and non-condensable gas in large power plant, maintains the vacuum of vapour condenser, improves vapour condenser heat transfer boundary condition, improve the effect of the thermal efficiency of unit.The water ring vaccum pump that current many thermal power plants use, its structural design is unreasonable, and efficiency is lower, vacuumize demand to meet, the power of the power of motor that vacuum pump is supporting is very large, and energy loss is very large, purchase with operation cost higher, be unfavorable for the energy-saving and cost-reducing of enterprise.
Model utility content
The utility model object is to provide a kind of novel energy-saving water ring vaccum pump, and reasonable not to solve existing water ring vaccum pump structural design, power loss is large, operation cost high-technology problem.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of novel energy-saving water ring vaccum pump, comprises the pump housing, impeller, axle, protecgulum, bonnet; Placed axle in the described pump housing, the axle of pump body is arranged with impeller, impeller front and rear are symmetrically arranged with front distribution plate, rear distribution plate, and the axle sleeve between impeller and front distribution plate, rear distribution plate is provided with O RunddichtringO; Pump housing front end is provided with protecgulum, and pump housing rear end is provided with bonnet; Be provided with the first centrifugal pan in protecgulum, in the first centrifugal pan, be provided with fore bearing parts; Described fore bearing parts, comprise roller bearing, roller bearing is set on axle, roller bearing arranged outside has fore bearing enclosing cover, malthoid is provided with inside roller bearing, malthoid arranged outside has fore bearing inner cap, is provided with back-up ring between fore bearing enclosing cover and the first centrifugal pan, and back-up ring arranged outside has front axle seal; Be provided with the second centrifugal pan in described bonnet, in the second centrifugal pan, be provided with rear bearing parts, between bonnet and rear bearing parts, be provided with shim; Described rear bearing parts, comprise roller bearing, radial ball bearing, are provided with pressure spring in radial ball bearing, and be provided with rear bearing inner cap inside radial ball bearing, pressure spring is set in rear bearing and covers; Be provided with roller bearing on the right side of radial ball bearing, roller bearing arranged outside has rear bearing enclosing cover; The inner side of rear bearing inner cap is provided with lubricating cup, is provided with rear axle seal between rear bearing inner cap and axle; On the axle of described protecgulum and front distribution plate junction, the axle of bonnet and rear distribution plate junction is provided with packing elements.
As preferably, the length dimension of institute's pump housing is 580-600mm, and the ratio of pump housing length and internal diameter Extreme breadth is 0.95-1.
As preferably, described impeller comprises the equally distributed blade of threaded shaft, and blade both sides are provided with ring stiffener, and is provided with annular gusset in the middle of impeller, blade diameter is 580-600mm, and blade end radius of curvature is 150-200mm.
As preferably, described distribution plate is provided with mounting hole, mounting hole site is in the top in the distribution plate center of circle, and mounting hole place is provided with the annular flexible valve plate of concentric setting, and flexible valve plate is fixed on distribution plate by screw rod; Be provided with the relief opening running through distribution plate on the left of mounting hole, be provided with the intakeport running through distribution plate on the right side of mounting hole, above-mentioned relief opening distributes around mounting hole; The center of circle of the inner side edge of above-mentioned intakeport overlaps with the center of circle of mounting hole, and the outer side of intakeport is arc and the radius of curvature of intakeport outer side end is 180-210mm.
As preferably, described packing elements, comprise the filler that many threaded shafts are arranged, be provided with insertion ring between filler and axle, filler end is provided with Gland, and Gland arranged outside has stuffing box body.
The utility model has carried out rational optimal design by the size of the pump housing to water ring vaccum pump and ovality, impeller size and vane curvature, distribution plate inlet and outlet mouth and internal structure thereof, vacuum pump stable operation can not only be ensured, sealing is reliable, can also increase work efficiency, reduce energy consumption, energy-saving effect is fairly obvious.Calculate by energy-conservation 20 kilowatt hours of separate unit Water-ring vacuum pump assembly, 1 year can using electricity wisely about 17.5 ten thousand degree, general power station adopts 4-6 platform vacuum pump unit, when these units work simultaneously, can reduce the operation cost of enterprise greatly, therefore the utility model has good promotional value and economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of impeller;
Fig. 3 is the right elevation of Fig. 2;
Fig. 4 is the structural representation of distribution plate.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the structural representation of impeller, and Fig. 3 is the right elevation of Fig. 2, and Fig. 4 is the structural representation of distribution plate.
Embodiment 1: as seen from the figure, this novel energy-saving water ring vaccum pump, comprises the pump housing 1, impeller 2, axle 3, protecgulum 4, bonnet 5 etc.The length dimension of the pump housing is 580mm, and the ratio of pump housing length and internal diameter Extreme breadth is 0.95.Placed axle 3 in the pump housing 1, the axle 3 of the pump housing 1 inside is arranged with impeller 2, impeller 2 comprises the equally distributed blade 21 of threaded shaft, and blade 21 both sides are provided with ring stiffener 22, are provided with annular gusset 23 in the middle part of impeller 2.Blade 21 diameter is 580mm, and blade 21 end radius of curvature is 150mm.
Impeller 2 front and rear are symmetrically arranged with front distribution plate 6, rear distribution plate 7, and the axle sleeve between impeller 2 and front distribution plate 6, rear distribution plate 7 is provided with O RunddichtringO 30.Distribution plate is provided with mounting hole 60, mounting hole 60 is positioned at the top in the distribution plate center of circle, and mounting hole 60 place is provided with the annular flexible valve plate 8 of concentric setting, and flexible valve plate 8 is fixed on distribution plate by screw rod; Be provided with the relief opening 61 running through distribution plate on the left of mounting hole 60, be provided with the intakeport 62 running through distribution plate on the right side of mounting hole 60, above-mentioned relief opening 61 distributes around mounting hole 60; The center of circle of the inner side edge of above-mentioned intakeport 62 overlaps with the center of circle of mounting hole 60, and the outer side of intakeport is arc and the radius of curvature of intakeport outer side end is 180mm.
The pump housing 1 front end is provided with protecgulum 4, and the pump housing 1 rear end is provided with bonnet 5.Be provided with in protecgulum 4 in first centrifugal pan 16, first centrifugal pan 16 and be provided with fore bearing parts 9.Fore bearing parts 9, comprise roller bearing 20, roller bearing 20 is set on axle 3, roller bearing 20 arranged outside has fore bearing enclosing cover 11, malthoid 23 is provided with inside roller bearing 20, malthoid 23 arranged outside has fore bearing inner cap 13, and be provided with back-up ring 15 between fore bearing enclosing cover 11 and the first centrifugal pan 16, back-up ring 15 arranged outside has front axle seal 25.Be provided with in bonnet 5 in second centrifugal pan 22, second centrifugal pan 22 and be provided with rear bearing parts 10.Shim 19 is provided with between bonnet 5 and rear bearing parts 10; Rear bearing parts 10, comprise roller bearing 20, radial ball bearing 21, are provided with pressure spring 17 in radial ball bearing 21, be provided with rear bearing inner cap 14 inside radial ball bearing 21, and pressure spring 17 is set on rear bearing inner cap 14; Be provided with roller bearing 20 on the right side of radial ball bearing 21, roller bearing 20 arranged outside has rear bearing enclosing cover 12, is provided with lubricating cup 18 inside rear bearing inner cap 14, is provided with rear axle seal 24 between rear bearing inner cap 14 and axle 3.
Protecgulum 4 is with on the axle of front distribution plate 6 junction, bonnet 5 and the axle of rear distribution plate 7 junction are provided with packing elements.Packing elements comprises the filler 29 that many threaded shafts are arranged, and be provided with insertion ring 28 between filler 29 and axle, filler 29 end is provided with Gland 26, and Gland 26 arranged outside has stuffing box body 27.
Embodiment 2: the difference of this embodiment and embodiment 1 is: the length dimension of the pump housing is 590mm, and the ratio of pump housing length and internal diameter Extreme breadth is 0.95.Blade diameter is 590mm, and blade end radius of curvature is 175mm.The outer side of intakeport is arc and the radius of curvature of intakeport outer side end is 195mm.
Embodiment 3: the difference of this embodiment and embodiment 1 is: the length dimension of the pump housing is 600mm, and the ratio of pump housing length and internal diameter Extreme breadth is 1.Blade diameter is 600mm, and blade end radius of curvature is 200mm.The outer side of intakeport is arc and the radius of curvature of intakeport outer side end is 210mm.
The characteristic of the energy-saving water ring vacuum pump of embodiment 1-3 sees the following form:
| Distinguish | Air horsepower kw | Power of motor kw | Ultimate vacuum mbar | Speed of exhaust m3/h |
| Embodiment 1 | 96 | 110 | 33 | 3850 |
| Embodiment 2 | 99 | 110 | 33 | 4000 |
| Embodiment 3 | 100 | 110 | 33 | 4090 |
The utility model has carried out rational optimal design by the size of the pump housing to water ring vaccum pump and ovality, impeller size and vane curvature, distribution plate inlet and outlet mouth and internal structure thereof, vacuum pump stable operation can not only be ensured, sealing is reliable, can also increase work efficiency, reduce energy consumption, energy-saving effect is fairly obvious.Flexible valve plate on distribution plate can adjust the area of intakeport, relief opening according to the size of pressure, avoid the overcompression in gas compression processes, reduces power consumpiton.
For embodiment 3, the coal unit vacuum pump necessary electromotor that certain power station domestic uses is Y2-355M2-8-132KW-380V.Use the energy-saving water ring vacuum pump of embodiment 3, its necessary electromotor is Y2-315L2-110KW/380V.Calculate with separate unit Water-ring vacuum pump assembly economize on electricity 20KW, this separate unit water ring vaccum pump can using electricity wisely 17.52 ten thousand degree, multiple stage unit used time energy-saving effect is very remarkable.
Finally, it should be pointed out that above embodiment is only the more representational example of the utility model.Obviously, the utility model is not limited to above-mentioned embodiment, can also have many distortion.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all should think and belong to protection domain of the present utility model.
Claims (5)
1. a novel energy-saving water ring vaccum pump, comprises the pump housing, impeller, axle, protecgulum, bonnet; It is characterized in that having placed axle in the described pump housing, the axle of pump body is arranged with impeller, impeller front and rear are symmetrically arranged with front distribution plate, rear distribution plate, and the axle sleeve between impeller and front distribution plate, rear distribution plate is provided with O RunddichtringO; Pump housing front end is provided with protecgulum, and pump housing rear end is provided with bonnet; Be provided with the first centrifugal pan in protecgulum, in the first centrifugal pan, be provided with fore bearing parts; Described fore bearing parts, comprise roller bearing, roller bearing is set on axle, roller bearing arranged outside has fore bearing enclosing cover, malthoid is provided with inside roller bearing, malthoid arranged outside has fore bearing inner cap, is provided with back-up ring between fore bearing enclosing cover and the first centrifugal pan, and back-up ring arranged outside has front axle seal; Be provided with the second centrifugal pan in described bonnet, in the second centrifugal pan, be provided with rear bearing parts, between bonnet and rear bearing parts, be provided with shim; Described rear bearing parts, comprise roller bearing, radial ball bearing, are provided with pressure spring in radial ball bearing, and be provided with rear bearing inner cap inside radial ball bearing, pressure spring is set in rear bearing and covers; Be provided with roller bearing on the right side of radial ball bearing, roller bearing arranged outside has rear bearing enclosing cover; The inner side of rear bearing inner cap is provided with lubricating cup, is provided with rear axle seal between rear bearing inner cap and axle; On the axle of described protecgulum and front distribution plate junction, the axle of bonnet and rear distribution plate junction is provided with packing elements.
2. novel energy-saving water ring vaccum pump according to claim 1, is characterized in that the length dimension of the described pump housing is 580-600mm, and the ratio of pump housing length and internal diameter Extreme breadth is 0.95-1.
3. novel energy-saving water ring vaccum pump according to claim 1, it is characterized in that described impeller comprises the equally distributed blade of threaded shaft, blade both sides are provided with ring stiffener, annular gusset is provided with in the middle of impeller, blade diameter is 580-600mm, and blade end radius of curvature is 150-200mm.
4. novel energy-saving water ring vaccum pump according to claim 1, it is characterized in that described distribution plate is provided with mounting hole, mounting hole site is in the top in the distribution plate center of circle, and mounting hole place is provided with the annular flexible valve plate of concentric setting, and flexible valve plate is fixed on distribution plate by screw rod; Be provided with the relief opening running through distribution plate on the left of mounting hole, be provided with the intakeport running through distribution plate on the right side of mounting hole, above-mentioned relief opening distributes around mounting hole; The center of circle of the inner side edge of above-mentioned intakeport overlaps with the center of circle of mounting hole, and the outer side of intakeport is arc and the radius of curvature of intakeport outer side end is 180-210mm.
5. novel energy-saving water ring vaccum pump according to claim 1, it is characterized in that described packing elements, comprise the filler that many threaded shafts are arranged, between filler and axle, be provided with insertion ring, filler end is provided with Gland, and Gland arranged outside has stuffing box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861562.5U CN205089649U (en) | 2015-10-30 | 2015-10-30 | Novel energy -saving water ring vacuum pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861562.5U CN205089649U (en) | 2015-10-30 | 2015-10-30 | Novel energy -saving water ring vacuum pump |
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| Publication Number | Publication Date |
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| CN205089649U true CN205089649U (en) | 2016-03-16 |
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| CN201520861562.5U Active CN205089649U (en) | 2015-10-30 | 2015-10-30 | Novel energy -saving water ring vacuum pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240287A (en) * | 2015-10-30 | 2016-01-13 | 武汉艾德沃泵阀有限公司 | Novel energy-saving water ring vacuum pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240287A (en) * | 2015-10-30 | 2016-01-13 | 武汉艾德沃泵阀有限公司 | Novel energy-saving water ring vacuum pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new energy-saving water ring vacuum pump Effective date of registration: 20220713 Granted publication date: 20160316 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: WUHAN EDW PUMP & VALVE CO.,LTD. Registration number: Y2022420000226 |