CN202954996U - Efficient water ring vacuum pump body with ultrahigh sucking rate - Google Patents

Efficient water ring vacuum pump body with ultrahigh sucking rate Download PDF

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Publication number
CN202954996U
CN202954996U CN 201220570049 CN201220570049U CN202954996U CN 202954996 U CN202954996 U CN 202954996U CN 201220570049 CN201220570049 CN 201220570049 CN 201220570049 U CN201220570049 U CN 201220570049U CN 202954996 U CN202954996 U CN 202954996U
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CN
China
Prior art keywords
pump cover
pump
intakeport
relief opening
cover
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Expired - Lifetime
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CN 201220570049
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Chinese (zh)
Inventor
陈维茂
邵继荣
荆延波
孟凡瑞
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ZIBO WATER RING VACUUM PUMP FACTORY CO Ltd
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ZIBO WATER RING VACUUM PUMP FACTORY CO Ltd
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Priority to CN 201220570049 priority Critical patent/CN202954996U/en
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Publication of CN202954996U publication Critical patent/CN202954996U/en
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Abstract

The utility model discloses an efficient water ring vacuum pump body with an ultrahigh sucking rate, belongs to the technical field of water ring vacuum pumps, and particularly relates to a water ring vacuum pump with an ultrahigh sucking rate. The efficient water ring vacuum pump body comprises a pump (16), a front pump cover (1), a rear pump cover (35), an impeller (15) and a pump shaft (4). The impeller (15) and the pump shaft (4) are eccentrically mounted inside the pump (16), a front distribution plate (14) and a rear distribution plate (22) are respectively correspondingly arranged among two ends of the pump (16), the front pump cover (1) and the rear pump cover (35), and the pump (16) is positioned with the front distribution plate (14) and the rear distribution plate (22) by elastic cylindrical pins (21) and is integrally connected with the front pump cover (1) and the rear pump cover (35) by a draw-in bolt (20). The length of the pump body ranges from 4500mm to 7500mm, the width of the pump body ranges from 2600mm to 4700mm, the height of the pump body ranges from 2500mm to 4550mm, and the suction flow rate of the pump body ranges from 1000m<3>/min to 3000m<3>/min. The efficient water ring vacuum pump body has the advantages of high sucking rate, stable structure, safety in running, convenience in maintenance and the like.

Description

A kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body
Technical field
A kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body, belong to the water ring vaccum pump technical field, is specifically related to a kind of water ring vaccum pump of super large rate of air sucked in required.
Background technique
Water ring vaccum pump is owing to being to utilize the water liquid of working, belong to blade fluid machinery, for vacuum displacement pump, be widely used in the fields such as coal field gas pumping gas, paper mill vacuum system, chemical industry vacuumize, metallurgy industry pressure swing adsorption technique more; At present, though the water ring vaccum pump kind that prior art is made is more, the gettering quantity generally reached is lower, mostly only reaches 10 ~ 1000m 3/ min, and the vacuum pump tolerance that a lot of large-scale projects or particular application usually need is larger, and vacuum pump does not often reach the tolerance of demand, common way is to adopt several vacuum pump co-operation, realize working condition requirement, but the consequence that so operation brings is that total necessary electromotor power is large.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide that a kind of gettering quantity is large, total output is low, be convenient to the super large rate of air sucked in required High-efficient Water ring vacuum pump pump housing of maintenance.
The utility model solves the technological scheme that its technical problem adopts: this kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body, it is characterized in that: comprise the pump housing, before, rear pump cover, the eccentric impeller that is arranged on pump body and pump shaft, pump housing two ends and front, before between rear pump cover, correspondence is provided with respectively, rear distribution plate, the pump housing and front, rear distribution plate is by the elastic cylinder finger setting, the pump housing, before, rear distribution plate and front, rear pump cover is connected as one by turnbuckle, long 4500 ~ the 7500mm of pump body, wide 2600 ~ 4700mm, high 2500 ~ 4550mm, the gettering quantity of pump body is 1000 ~ 3000m 3/ min.
Described front pump cover top is provided with on a front pump cover intakeport on relief opening and front pump cover, the rear pump cover top is provided with on a rear pump cover relief opening on intakeport and rear pump cover, the front pump cover side is provided with a horizontal intakeport of front pump cover and a horizontal relief opening of front pump cover, the rear pump cover side is provided with a horizontal intakeport of rear pump cover and a horizontal relief opening of rear pump cover, the contrary setting of open/close states of the open/close states of intakeport and the horizontal intakeport of front pump cover and the horizontal intakeport of rear pump cover on intakeport and rear pump cover on front pump cover, the contrary setting of open/close states of the open/close states of relief opening and the horizontal relief opening of front pump cover and the horizontal relief opening of rear pump cover on relief opening and rear pump cover on front pump cover.
Described impeller is arranged on pump shaft, length is 2500 ~ 4800mm, outside diameter is 1450 ~ 3600mm, and with pump shaft be interference fit, it mainly comprises blade, wheel hub and blade rinforcement bar, blade is evenly distributed on around wheel hub, and wheel hub is fusiformis setting small in ends broad in the middle, on the neutral position of impeller and middle both sides, sets up a plurality of blade rinforcement bars.
The radius of curvature of described blade and the proportionate relationship of impeller parameters are:
Φ 1/ Φ=0.710 ~ 0.833,2R 2/ Φ 1the outside diameter that=0.866 ~ 0.920, Φ is impeller, R 2for the radius of curvature of blade, Φ 1for the vane curvature radius R 2centre point place diameter of a circle, the radius of curvature R of impeller 2with the tangential angle R of blade tip be 33 ° ~ 40 °.
The exhaust ports of described forward and backward distribution plate is provided with flexible valve plate, flexible valve plate is actively connected on forward and backward distribution plate by 4 ~ 5 guide pillars that are distributed in the relief opening border, the flexible valve plate outside is provided with a baffle plate that prevents that it from dropping, by flexible valve plate laminating exhaust close exhaust passage, remove by flexible valve plate, open exhaust passage; Forward and backward pump cover end face offers two peep holes, and the stuffing box packing of pump shaft two axial ends adopts teflon, and suit is easy to the stainless steel axle sleeve of dismounting.Flexible tetrafluoro valve plate can meet the requirement that under different pressures of inspiration(Pi), gettering quantity changes, and avoids overcompression or insufficient compression, makes pump efficiently operation under various degree of vacuum states all the time; Peep hole can be used to check, the interior part of maintenance pump, as changed the flexible valve plate of exhaust; The sealing of employing polytetrafluoroethylene packing, keep sealing by continuing to supply water; The stainless steel shaft cover that is easy to dismounting is not frayed in order to guarantee axle, if wear and tear, only needs to change axle sleeve, rather than changes whole axle.
Compared with prior art, had beneficial effect of the present utility model is:
1, large-minded, total output is low, energy-saving safe: the boundary dimension that reality can realize the pump housing is long 4500 ~ 7500mm, wide 2600 ~ 4700mm, high 2500 ~ 4550mm, the corresponding gettering quantity that reaches the pump body is 1000 ~ 3000m 3/ min, it is remarkable that tolerance increases effect, in order to guarantee safety and stable when realizing atm number, sets up a plurality of blade rinforcement bars especially on the neutral position at impeller and middle both sides, to guarantee its intensity and working stability;
2, be convenient to maintenance, reduce later maintenance cost: the relief opening of forward and backward distribution plate adopts flexible tetrafluoro valve plate, can meet the requirement that under different pressures of inspiration(Pi), gettering quantity changes, avoid overcompression or insufficient compression, make pump efficiently operation under various degree of vacuum states all the time; Forward and backward pump cover end face offers two peep holes, can be used to check, keep in repair part in pump, as changed the flexible valve plate of exhaust; The stuffing box packing of pump shaft two axial ends adopts teflon, keep sealing by continuing to supply water, and suit is easy to the stainless steel axle sleeve of dismounting, the stainless steel shaft cover that is easy to dismounting is not frayed in order to guarantee axle, if wear and tear, only need to change axle sleeve, rather than change whole axle.
The accompanying drawing explanation
Fig. 1 is the utility model working principle schematic diagram.
Fig. 2 is the utility model plan view cross-sectional schematic.
Fig. 3 is the utility model embodiment 1 side view schematic diagram.
Fig. 4 is the utility model embodiment 1 plan view schematic diagram.
Wherein: 1, front pump cover 2, front-end bearing pedestal 3, fore bearing gland 4, pump shaft 5, oil sealing 6, filler pressing 7, tapered roller bearing 8, blade rinforcement bar 9, forced filling oil cup 10, outer supply channel assembly 11, Gland 12, axle sleeve 13, filler 14, front distribution plate 15, impeller 16, the pump housing 17, blade 18, wheel hub 19, outer water supply pipe clamp 20, turnbuckle 21, elastic cylindrical pin 22, rear distribution plate 23, exhaust screen 24, exhaust valve plate 25, discharging valve 26, right cover plate 27, ball valve 28, drainage elbow 29, the horizontal relief opening 30 of rear pump cover, supply channel assembly 31, left cover 32, hexagon nut 33, on front pump cover, relief opening 34, on front pump cover, intakeport 35, rear pump cover 36, rear bearing block 37, rear bearing gland 38, the horizontal intakeport 39 of front pump cover, the horizontal relief opening 40 of front pump cover, on rear pump cover, intakeport 41, on rear pump cover, relief opening 42, the horizontal intakeport of rear pump cover,
The outside diameter that Φ is impeller, R 2for the radius of curvature of blade, Φ 1for the vane curvature radius R 2centre point place radius of a circle, the radius of curvature R that R is impeller 2tangential angle with blade tip.
Embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model, be described further below in conjunction with 1 ~ 3 pair of the utility model of accompanying drawing.
Embodiment 1
With reference to accompanying drawing 1 ~ 3: this kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body, comprise the pump housing 16, be arranged on the pump housing 16 two ends before, rear pump cover 1, 35, at the pump housing 16 inner eccentric installation impeller 15 and pump shaft 4, pump shaft 4 two ends are arranged on the pump housing 16 both sides and carry out mechanical seal by two groups of mechanical sealing mechanisms respectively, the pump housing 16 two ends and front, rear pump cover 1, before between 35, correspondence is provided with respectively, rear distribution plate 14, 22, the pump housing 16 and front, rear distribution plate 14, 22 by elastic cylindrical pin 21 location, the pump housing 16, before, rear distribution plate 14, 22 and front, rear pump cover 1, 35 are connected as one by turnbuckle 20.Front pump cover 1 top is provided with on a front pump cover intakeport 34 on relief opening 33 and front pump cover, rear pump cover 35 tops are provided with on a rear pump cover relief opening 41 on intakeport 40 and rear pump cover, front pump cover 1 side is provided with a horizontal intakeport 38 of front pump cover and a horizontal relief opening 39 of front pump cover, rear pump cover 35 sides are provided with a horizontal intakeport 42 of rear pump cover and a horizontal relief opening 29 of rear pump cover, the contrary setting of open/close states of the open/close states of intakeport 40 and the horizontal intakeport 38 of front pump cover and the horizontal intakeport 42 of rear pump cover on intakeport 34 and rear pump cover on front pump cover, the contrary setting of open/close states of the open/close states of relief opening 41 and the horizontal relief opening 39 of front pump cover and the horizontal relief opening 29 of rear pump cover on relief opening 33 and rear pump cover on front pump cover.
The gettering quantity of pump body is 1000 ~ 3000m 3/ min, the boundary dimension of pump body is long 4500 ~ 7500mm, wide 2600 ~ 4700mm, high 2500 ~ 4550mm, the pump housing 16 rear end lower are provided with discharging valve 25, ball valve 27 and drainage elbow 28.
Impeller 15 is arranged on pump shaft 4, and with pump shaft 4 be interference fit, it mainly comprises blade 17, wheel hub 18 and blade rinforcement bar 8, blade 17 is evenly distributed on around wheel hub 18, wheel hub 18 is fusiformis setting small in ends broad in the middle, on the neutral position of impeller 15 and middle both sides, sets up a plurality of blade rinforcement bars 8; Impeller 15 length are 2500 ~ 4800mm, and outside diameter is 1450 ~ 3600mm, and the proportionate relationship of the radius of curvature of blade 17 and impeller 15 parameters is: Φ 1/ Φ=0.710 ~ 0.833,2R 2/ Φ 1the outside diameter that=0.866 ~ 0.920, Φ is impeller 15, R 2for the radius of curvature of blade 17, Φ 1for blade 17 radius of curvature R 2centre point place diameter of a circle, the radius of curvature R of impeller 15 2with the tangential angle R of blade 17 ends be 33 ° ~ 40 °.
Mechanical sealing mechanism mainly comprises axle bearing 2,36, axle pressure cap 3,37, oil sealing 5, filler pressing 6, tapered roller bearing 7, end ring, forced filling oil cup 9, Gland 11, axle sleeve 12 and filler 13.The exhaust ports of forward and backward distribution plate 14,22 is provided with flexible valve plate, flexible valve plate is actively connected on forward and backward distribution plate 14,22 by 4 ~ 5 guide pillars that are distributed in the relief opening border, the flexible valve plate outside is provided with a baffle plate that prevents that it from dropping, baffle plate is generally steel plate and makes, by flexible valve plate laminating exhaust close exhaust passage, remove by flexible valve plate, open exhaust passage; Forward and backward pump cover 1,35 end faces offer two peep holes, and pump shaft 4 two axial ends stuffing box packing 13 adopt teflon, and suit is easy to the stainless steel axle sleeve 12 of dismounting.Forward and backward pump cover 1,35 end faces offer two peep holes, after whole Water-ring vacuum originally installs, can be overhauled by peep hole, and pump shaft 4 two axial ends stuffing box packing 13 adopt teflon, and suit is easy to the stainless steel axle sleeve 12 of dismounting.
Working procedure is as follows: when impeller 15 is pressed the predetermined direction rotation, because the inwall that the pump housing 16 interior liquid are thrown toward the pump housing 16 is injected in the effect of centrifugal force, form a shape similar to the pump housing 16, thickness approaches equal pendular ring, form a crescent-shaped space between the internal surface of the pendular ring rotated with impeller 15 and the wheel hub 18 of impeller 15, when impeller 15 rotates, the cavity volume surrounded between two adjacent blades will increase gradually, and cause ambient atmos to be inhaled into, corresponding cavity volume reduces gradually subsequently, original gas sucked is compressed, after pressure reaches atmospheric pressure, gas is discharged from, in the course of the work, the horizontal intakeport 38 of front pump cover, the horizontal relief opening 39 of front pump cover, the horizontal intakeport 42 of rear pump cover and the horizontal relief opening 29 of rear pump cover are all in normally off, the row's of sucting formula working method in formation, air-breathing by intakeport 40 on intakeport 34 and rear pump cover on the front pump cover at top, from front pump cover, on relief opening 33 and rear pump cover, relief opening 41 is discharged.
In addition, the size of impeller 15 can be adjusted as required, and the tolerance of passing through in the pump body is 1000 ~ 2000m 3in the time of between/min, the outside diameter of impeller 15 is 1450 ~ 2800mm, and the length of impeller 15 is 2500 ~ 3500mm; The tolerance of passing through in the pump body is 2000 ~ 3000 m 3in the time of between/min, the outside diameter of impeller 15 is 2700 ~ 3600mm, and the length of impeller 15 is 3400 ~ 4800mm.
The enterprising level of embodiment 2 goes out
Adopt on front pump cover on intakeport 34, rear pump cover intakeport 40 air-breathing, the horizontal relief opening 39 of front pump cover, horizontal relief opening 29 exhausts of rear pump cover, on the horizontal intakeport 38 of front pump cover, the horizontal intakeport 42 of rear pump cover and front pump cover, on relief opening 33, rear pump cover, relief opening 41 is all in normally off simultaneously, and other working methods are identical with embodiment 1 with working principle.
Embodiment's 3 water middle in and top outs
Adopt the horizontal intakeport 38 of front pump cover and the horizontal intakeport 42 of rear pump cover air-breathing, relief opening 41 exhausts on relief opening 33 and rear pump cover on front pump cover, simultaneously, on front pump cover, on intakeport 34, rear pump cover, intakeport 40, the horizontal relief opening 39 of front pump cover and the horizontal relief opening 29 of rear pump cover are all in normally off, and other working methods are identical with embodiment 1 with working principle.
Embodiment's 4 horizontal water inflows are cleared
Adopt the horizontal intakeport 38 of front pump cover and the horizontal intakeport 42 of rear pump cover air-breathing, horizontal relief opening 29 exhausts of the horizontal relief opening 39 of front pump cover and rear pump cover, simultaneously, on front pump cover, on intakeport 34, rear pump cover, on intakeport 40, front pump cover, on relief opening 33 and rear pump cover, relief opening 41 is all in normally off, and other working methods are identical with embodiment 1 with working principle.
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 break away 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 (5)

1. a super large rate of air sucked in required High-efficient Water ring vacuum pump body, it is characterized in that: comprise the pump housing (16), before, rear pump cover (1, 35), the eccentric impeller (15) and the pump shaft (4) that are arranged on the pump housing (16) inside, the pump housing (16) two ends and front, rear pump cover (1, 35) before between, correspondence is provided with respectively, rear distribution plate (14, 22), the pump housing (16) and front, rear distribution plate (14, 22) by elastic cylindrical pin (21) location, the pump housing (16), before, rear distribution plate (14, 22) and front, rear pump cover (1, 35) by turnbuckle (20), be connected as one, long 4500 ~ the 7500mm of pump body, wide 2600 ~ 4700mm, high 2500 ~ 4550mm, the gettering quantity of pump body is 1000 ~ 3000m 3/ min.
2. a kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body according to claim 1, it is characterized in that: described front pump cover (1) top is provided with on a front pump cover intakeport (34) on relief opening (33) and front pump cover, rear pump cover (35) top is provided with on a rear pump cover relief opening (41) on intakeport (40) and rear pump cover, front pump cover (1) side is provided with a horizontal intakeport of front pump cover (38) and a horizontal relief opening of front pump cover (39), rear pump cover (35) side is provided with a horizontal intakeport of rear pump cover (42) and a horizontal relief opening of rear pump cover (29), the contrary setting of open/close states of the open/close states of intakeport (40) and the horizontal intakeport of front pump cover (38) and the horizontal intakeport of rear pump cover (42) on intakeport on front pump cover (34) and rear pump cover, the contrary setting of open/close states of the open/close states of relief opening (41) and the horizontal relief opening of front pump cover (39) and the horizontal relief opening of rear pump cover (29) on relief opening on front pump cover (33) and rear pump cover.
3. a kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body according to claim 1, it is characterized in that: described impeller (15) is arranged on pump shaft (4), length is 2500 ~ 4800mm, outside diameter is 1450 ~ 3600mm, and with pump shaft (4) be interference fit, it mainly comprises blade (17), wheel hub (18) and blade rinforcement bar (8), blade (17) is evenly distributed on wheel hub (18) on every side, wheel hub (18) is fusiformis setting small in ends broad in the middle, set up a plurality of blade rinforcement bars (8) on the neutral position of impeller (15) and middle both sides.
4. a kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body according to claim 3, it is characterized in that: the proportionate relationship of the radius of curvature of described blade (17) and impeller (15) parameter is:
Φ 1/ Φ=0.710 ~ 0.833,2R 2/ Φ 1the outside diameter that=0.866 ~ 0.920, Φ is impeller (15), R 2for the radius of curvature of blade (17), Φ 1for blade (17) radius of curvature R 2centre point place diameter of a circle, the radius of curvature R of impeller (15) 2and the tangential angle R of blade (17) end is 33 ° ~ 40 °.
5. a kind of super large rate of air sucked in required High-efficient Water ring vacuum pump body according to claim 1, it is characterized in that: the exhaust ports of described forward and backward distribution plate (14,22) is provided with flexible valve plate, flexible valve plate is actively connected on forward and backward distribution plate (14,22) by 4 ~ 5 guide pillars that are distributed in the relief opening border, the flexible valve plate outside is provided with a baffle plate that prevents that it from dropping, by flexible valve plate laminating exhaust close exhaust passage, remove by flexible valve plate, open exhaust passage; Forward and backward pump cover (1,35) end face offers two peep holes, and pump shaft (4) two axial ends stuffing box packing (13) adopts teflon, and suit is easy to the stainless steel axle sleeve (12) of dismounting.
CN 201220570049 2012-11-01 2012-11-01 Efficient water ring vacuum pump body with ultrahigh sucking rate Expired - Lifetime CN202954996U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105756961A (en) * 2014-12-16 2016-07-13 镇江润京机电科技有限公司 Novel vacuum pump device based on water ring effect
CN107762896A (en) * 2017-11-27 2018-03-06 武汉艾德沃泵阀有限公司 A kind of vavuum pump
CN108474383A (en) * 2016-02-12 2018-08-31 埃地沃兹日本有限公司 Vacuum pump and flexible boot and rotor for the vacuum pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105756961A (en) * 2014-12-16 2016-07-13 镇江润京机电科技有限公司 Novel vacuum pump device based on water ring effect
CN108474383A (en) * 2016-02-12 2018-08-31 埃地沃兹日本有限公司 Vacuum pump and flexible boot and rotor for the vacuum pump
CN108474383B (en) * 2016-02-12 2020-12-11 埃地沃兹日本有限公司 Vacuum pump and flexible cover and rotor for the same
CN107762896A (en) * 2017-11-27 2018-03-06 武汉艾德沃泵阀有限公司 A kind of vavuum pump
CN107762896B (en) * 2017-11-27 2023-12-12 武汉艾德沃泵阀有限公司 Vacuum pump

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Granted publication date: 20130529

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