CN201739186U - Pulp pump with wide runners - Google Patents
Pulp pump with wide runners Download PDFInfo
- Publication number
- CN201739186U CN201739186U CN2010202140329U CN201020214032U CN201739186U CN 201739186 U CN201739186 U CN 201739186U CN 2010202140329 U CN2010202140329 U CN 2010202140329U CN 201020214032 U CN201020214032 U CN 201020214032U CN 201739186 U CN201739186 U CN 201739186U
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- Prior art keywords
- impeller
- wearing plate
- pump
- wide runner
- pump housing
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Abstract
The utility model relates to a pulp pump, in particular to a pulp pump with wide runners used in light paper industry, comprising a pump body, which is connected with a bearing rack fixedly connected with the axles in the pump body. The heads of the axles are provided with impellers, the middles of which are provided with axle holes; the impellers are open impellers with wide runners; the impellers are provided at least three uniformly distributed space twisted blades; wide runners are available between every two space twisted blades; the space twisted blades are also provided with balancing holes and the number of space twisted blades are consistent with the number of wide runners. With a high efficiency area and large flows in large scope, the axial force of the pump bearing is almost zero, which makes the pump operate more stably.
Description
Technical field
The utility model is a kind of pulp pump, particularly a kind of wide runner pulp pump that is used for the light industry paper industry.
Background technique
Main half-opened impeller pulp pump (comprising two phase flow pulp pump and Characteristics of Centrifugal Pulp Pump) and the channel-type of adopting do not have the obstruction pulp pump in the prior art, they can only satisfy concentration 5% or the slurry of its air content below 2% carried, because impeller is semi-open type or enclosed channel design, therefore, the axial force of pump is bigger, and impeller is heavier, and pump operation reliability and stationarity are relatively poor; In addition, the structure heaviness, the three-dimensional sense organ degree of profile is not strong.
Chinese patent CN200720038808.4, a kind of type pulp pump is disclosed, comprise the pump housing, impeller, pump rotating shaft, pump cover, pump case, it is characterized in that impeller is provided with equalizing orifice, in the pump rotating shaft between impeller and the pump cover sub-propeller is installed, bearing support is arranged in the pump case, bearing is installed in the bearing support, and the pump rotating shaft is passed Bearing Installation in pump case, and the pump rotating shaft is set with axle sleeve outward, be provided with packing seal between axle sleeve and the pump cover, the pump cover rear end is equipped with and is sleeved on the outer gland of pump rotating shaft.The described impeller of this model utility is semi-open type or enclosed channel design, and the axial force of pump is bigger, and impeller is heavier, and pump operation reliability and stationarity are relatively poor; The structure heaviness, the three-dimensional sense organ degree of profile is not strong.
Summary of the invention
The utility model mainly is the solution the deficiencies in the prior art, provides a kind of employing wide runner unshrouded impeller, makes efficient district wideer with big range of flow, and the axial force that makes pump is zero substantially, has alleviated impeller weight simultaneously, makes pump operation more reliable and steady; Can satisfy concentration up to 6% or its air content carry up to 5% slurry; Adopt knockdown bearing bracket stand profile of circumference and circular coupler protective casing structure, improve the barrier propterty of pump structure intensity and coupling, make pump wide runner pulp pump more practical and attractive in appearance.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of wide runner pulp pump, comprise the pump housing, described pump housing coupling shaft bolster, axle in the bearing bracket stand and the pump housing is fixedly connected, be fixed with coupling on the bearing bracket stand, the head of described axle is provided with impeller, the centre of impeller is provided with axis hole, described impeller is wide runner unshrouded impeller, described impeller is provided with at least three equally distributed spatial warping blades, be wide runner between the described spatial warping blade, be provided with equalizing orifice between described spatial warping blade, the quantity of described spatial warping blade is corresponding with the quantity of wide runner.
This wide runner pulp pump has preceding wearing plate, is provided with preceding sealing gasket between the preceding wearing plate and the pump housing, and preceding wearing plate and preceding sealing gasket are connected on the pump housing by stud; Be provided with wide runner unshrouded impeller between preceding wearing plate and the back wearing plate; Wide runner unshrouded impeller is provided with spatial warping blade, wide runner and equalizing orifice; The spatial warping blade quantity is 3 pieces～6 pieces, and the wide runner quantity between each adjacent space twisted blade is 3～6, is evenly equipped with 3～6 equalizing orifices between each adjacent space twisted blade; Be provided with the back sealing gasket between back wearing plate and the pump cover, back wearing plate and back sealing gasket are connected on the pump cover by stud; Be provided with 0.5～0.8mm gap between preceding wearing plate and the wide runner unshrouded impeller, can adjust by sealing gasket quantity before increasing and decreasing or thickness; Also be provided with 0.5～0.8mm gap between back wearing plate and the wide runner unshrouded impeller, can adjust by increasing and decreasing back sealing gasket quantity or thickness; Be provided with the O RunddichtringO between the pump housing and the pump cover, leak outside in order to the static seal slurry; Pump cover is provided with mechanical seal or the packing seal that can select for use according to the operating mode needs; Be connected with bearing bracket stand on the pump housing; The protective housing connecting flange is by being bolted to the bearing bracket stand right-hand member; Coupler protective casing is by being bolted on the protective housing connecting flange; The bearing bracket stand bottom is provided with the support that supports usefulness, and the bearing bracket stand right side is provided with coupling; Bearing bracket stand is circumference combined type form structure, coupler protective casing then is a round structure, the coupler protective casing bottom is provided with snap close, be used to lock coupler protective casing, coupler protective casing both sides along continuous straight runs is provided with the observation groove, be used to observe the coupling rotation situation, and improved the structural strength and the beautiful shape of bearing bracket stand and coupler protective casing.Because wide runner unshrouded impeller has adopted the full-open type structure, and design has the spatial warping blade that meets the three-dimensional flow field characteristic, wide runner and equalizing orifice, therefore, the efficient district of this wide runner pulp pump is wide, big range of flow is wide, and impeller weight is light, and its axial force is zero substantially, pump operation more reliable with steadily, and carry slurry concentration up to 6% or its air content can reach 5%.
As preferably, described spatial warping blade is and is distributed in clockwise on the impeller, and described equalizing orifice is located at the outward edge of axis hole, and described equalizing orifice is located in the wide runner, and described impeller is provided with 3 to 6 equally distributed spatial warping blades.
As preferably, wearing plate and back wearing plate before being provided with in the described pump housing, described preceding wearing plate is located at the front of impeller, and described back wearing plate is located at the back of impeller, be provided with preceding sealing gasket between the wearing plate and the pump housing before described, be provided with the back sealing gasket between the described back wearing plate and the pump housing.
As preferably, wearing plate, the pump housing and preceding sealing gasket fix by stud before described, back wearing plate, the pump housing and back sealing gasket fix by stud I, the spacing of wearing plate and impeller is 0.5 to 0.8mm before described, and the spacing of described back wearing plate and impeller is 0.5 to 0.8mm.
As preferably, described coupling is provided with coupler protective casing, and described outer shaft sleeve has bearing bracket stand, and the bearing bracket stand right-hand member is provided with the protective housing connecting flange, and described protective housing is fastened by snap close.
As preferably, described axle and the pump housing seal mutually by wherein a kind of of mechanical seal and packing seal.
Therefore, the wide runner pulp pump that the utility model provides is efficiently distinguished widely, and big range of flow is wide, and the pump axial force is zero substantially, makes pump operation more steady.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional structure schematic representation of Fig. 1;
Fig. 3 is the structural representation of middle impeller of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as Fig. 1, Fig. 2 and shown in Figure 3, a kind of wide runner pulp pump, comprise the pump housing 1, the described pump housing 1 coupling shaft bolster 16, axle 3 in the bearing bracket stand 16 and the pump housing 1 is fixedly connected, be fixed with coupling 2 on the bearing bracket stand 16, described axle 3 seals by mechanical seal 19 or packing seal 20 mutually with the pump housing 1, described coupling 2 is provided with coupler protective casing 15, the described axle 3 outer bearing bracket stands 16 that are with, bearing bracket stand 16 right-hand members are provided with protective housing connecting flange 17, described protective housing 15 is fastened by snap close 18, the head of described axle 3 is provided with impeller 4, the centre of impeller 4 is provided with axis hole 5, wearing plate 9 and back wearing plate 10 before being provided with in the described pump housing 1, wearing plate 9 is located at the front of impeller 4 before described, described back wearing plate 10 is located at the back of impeller 4, sealing gasket 11 before the wearing plate 9 and 1 of the pump housing are provided with before described, the described back wearing plate 10 and 1 of the pump housing are provided with back sealing gasket 12, wearing plate 9 before described, the pump housing 1 and preceding sealing gasket 11 fix by stud 13, back wearing plate 10, the pump housing 1 and back sealing gasket 12 fix by stud I 14, the spacing of wearing plate 9 and impeller 4 is 0.5 to 0.8mm before described, the spacing of described back wearing plate 10 and impeller 4 is 0.5 to 0.8mm, described impeller 4 is wide runner unshrouded impeller, described impeller 4 is provided with at least three equally distributed spatial warping blades 6, it between the described spatial warping blade 6 wide runner 7,6 in described spatial warping blade is provided with equalizing orifice 8, the quantity of described spatial warping blade 6 is corresponding with the quantity of wide runner 7, described spatial warping blade 6 is and is distributed in clockwise on the impeller 4, described equalizing orifice 8 is located at the outward edge of axis hole 5, described equalizing orifice 8 is located in the wide runner 7, and described impeller 4 is provided with 3 to 6 equally distributed spatial warping blades 6.
Working principle: motor drives pump by coupling and rotates under certain rotating speed, under wide runner unshrouded impeller centrifugal force and atmospheric effect, slurry sucks from pump housing inlet, wide runner between each the adjacent space twisted blade on the wide runner unshrouded impeller flows out from the outlet port, under action of centrifugal force, can convert the speed of slurry to the pressure energy by the delivery chamber on the pump housing 1, discharge from pump discharge at last.Owing to adopted wide runner unshrouded impeller, so, efficient district is wide, big range of flow is wide, and the pump axial force is zero substantially, makes pump operation more steady, carry slurry concentration up to 6% or its air content can reach 5%, adopted knockdown bearing bracket stand profile of circumference and circular coupler protective casing band to observe the groove structure, improved the barrier propterty of pump structure intensity and coupling, made pump more practical and attractive in appearance.
Claims (6)
1. one kind wide runner pulp pump, comprise the pump housing (1), the described pump housing (1) coupling shaft bolster (16), axle (3) in the bearing bracket stand (16) and the pump housing (1) is fixedly connected, be fixed with coupling (2) on the bearing bracket stand (16), the head of described axle (3) is provided with impeller (4), the centre of impeller (4) is provided with axis hole (5), it is characterized in that: described impeller (4) is wide runner unshrouded impeller, described impeller (4) is provided with at least three equally distributed spatial warping blades (6), between the described spatial warping blade (6) wide runner (7), be provided with equalizing orifice (8) between described spatial warping blade (6), the quantity of described spatial warping blade (6) is corresponding with the quantity of wide runner (7).
2. wide runner pulp pump according to claim 1, it is characterized in that: described spatial warping blade (6) is and is distributed in clockwise on the impeller (4), described equalizing orifice (8) is located at the outward edge of axis hole (5), described equalizing orifice (8) is located in the wide runner (7), and described impeller (4) is provided with 3 to 6 equally distributed spatial warping blades (6).
3. wide runner pulp pump according to claim 1 and 2, it is characterized in that: be provided with preceding wearing plate (9) and back wearing plate (10) in the described pump housing (1), wearing plate (9) is located at the front of impeller (4) before described, described back wearing plate (10) is located at the back of impeller (4), be provided with preceding sealing gasket (11) between the wearing plate (9) and the pump housing (1) before described, be provided with back sealing gasket (12) between the described back wearing plate (10) and the pump housing (1).
4. wide runner pulp pump according to claim 3, it is characterized in that: wearing plate (9), the pump housing (1) and preceding sealing gasket (11) fix by stud (13) before described, back wearing plate (10), the pump housing (1) and back sealing gasket (12) fix by stud I (14), the spacing of wearing plate (9) and impeller (4) is 0.5 to 0.8mm before described, and the spacing of described wearing plate (10) afterwards and impeller (4) is 0.5 to 0.8mm.
5. wide runner pulp pump according to claim 1, it is characterized in that: described coupling (2) is provided with coupler protective casing (15), the outer bearing bracket stand (16) that is with of described axle (3), bearing bracket stand (16) right-hand member is provided with protective housing connecting flange (17), and described protective housing (15) is fastened by snap close (18).
6. wide runner pulp pump according to claim 1 and 2 is characterized in that: described axle (3) and the pump housing (1) seal mutually by wherein a kind of of mechanical seal (19) and packing seal (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202140329U CN201739186U (en) | 2010-06-01 | 2010-06-01 | Pulp pump with wide runners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202140329U CN201739186U (en) | 2010-06-01 | 2010-06-01 | Pulp pump with wide runners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739186U true CN201739186U (en) | 2011-02-09 |
Family
ID=43554462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202140329U Expired - Lifetime CN201739186U (en) | 2010-06-01 | 2010-06-01 | Pulp pump with wide runners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739186U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287378A (en) * | 2011-09-22 | 2011-12-21 | 江苏巨浪泵阀有限公司 | Pulp pump |
| CN108980050A (en) * | 2018-05-31 | 2018-12-11 | 江苏巨浪泵阀有限公司 | A kind of slurrying process pump |
| CN109026826A (en) * | 2018-09-18 | 2018-12-18 | 台州德基水泵科技有限公司 | A kind of noise reduction self priming pump |
| CN110319064A (en) * | 2019-07-04 | 2019-10-11 | 天长市金马机械设备制造有限公司 | A kind of big runner is energy-saving without blocking pulp pump |
| CN110886718A (en) * | 2018-09-10 | 2020-03-17 | 威乐(中国)水泵系统有限公司 | Coupling guard shield |
-
2010
- 2010-06-01 CN CN2010202140329U patent/CN201739186U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287378A (en) * | 2011-09-22 | 2011-12-21 | 江苏巨浪泵阀有限公司 | Pulp pump |
| CN108980050A (en) * | 2018-05-31 | 2018-12-11 | 江苏巨浪泵阀有限公司 | A kind of slurrying process pump |
| CN110886718A (en) * | 2018-09-10 | 2020-03-17 | 威乐(中国)水泵系统有限公司 | Coupling guard shield |
| CN109026826A (en) * | 2018-09-18 | 2018-12-18 | 台州德基水泵科技有限公司 | A kind of noise reduction self priming pump |
| CN109026826B (en) * | 2018-09-18 | 2024-03-29 | 台州德基水泵科技有限公司 | Noise-reducing self-priming pump |
| CN110319064A (en) * | 2019-07-04 | 2019-10-11 | 天长市金马机械设备制造有限公司 | A kind of big runner is energy-saving without blocking pulp pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |
|
| CX01 | Expiry of patent term |