CN201598531U - Impeller of turbulence generator with variable helix angle - Google Patents
Impeller of turbulence generator with variable helix angle Download PDFInfo
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- CN201598531U CN201598531U CN2009203137176U CN200920313717U CN201598531U CN 201598531 U CN201598531 U CN 201598531U CN 2009203137176 U CN2009203137176 U CN 2009203137176U CN 200920313717 U CN200920313717 U CN 200920313717U CN 201598531 U CN201598531 U CN 201598531U
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Abstract
The utility model discloses an impeller, in particular to an impeller of a turbulence generator with a variable helix angle. The impeller comprises a turbulence generating mechanism and an impeller mechanism; the turbulence generating mechanism comprises two spiral convex ribs or more, and a strengthening ring is arranged between the spiral convex ribs; the impeller mechanism comprises impeller blades, and a shaft hole is arranged at the middle of the impeller blades; one end of the spiral convex rib is fixed with the impeller blades. The advantages of the impeller are as follows: the output is large; the lifting capacity is high, the fluidization of the slurry of medium-concentration is easy to realize; the separating effect of the slurry fiber and the air is good; the water power efficiency is improved; the energy is effectively saved; and the mounting size is decreased.
Description
Technical field
The utility model is a kind of impeller, particularly a kind of impeller that becomes helical angle turbulent flow generator formula.
Background technology
Prior art, at present in dense technology do not obtain as yet promoting in China.Because pulp mill's production scale is less in China's paper industry, bleaching process is also more backward, and is seriously polluted.Therefore, dense technology in research and the grasp, dense technique device in the paper industry development of the suitable China of exploitation has important practical sense.Middle underflow pump in domestic in the underflow material induction system by carry slurry concentration be about 10% spiral centrifugal pump to develop into transportation concentration be about 15% turbulence type middle underflow pump, have many deficiencies but use: be suitable for that concentration is low, energy consumption is higher, vibration is big etc. through reality.
Because middle underflow material is to be a kind of three-phase fluid of solid matter with the fibrous raw material, the flow mechanism complexity, the factor that influences flow mechanism is a lot, all can exert an influence to the mobile of slurry as kind, concentration, flowing velocity, beating degree, temperature and the fibre morphology etc. of slurry.Concentration is that 8～18% middle underflow material has following characteristics: the one, and it is spherical etc. that easy swollen of pulp fiber and flocculation are woven into, and makes this non-Newtonian fluid completely lose flowability, and easily stop up stock pump; The 2nd, the air content in the slurry is up to 15～40%.Therefore, directly can't carry out pumping with the centrifugal pump of common impeller.
In the matter of utmost importance of dense slurrying be the fluidization (being the flow behavior of similar current) that the underflow material is carried in realizing, then must be provided with static pressure more than the 3m in pump inlet place, so that the pulp fiber network of wadding a quilt with cotton poly-is applied enough shear stresses and velocity fluctuation by this isolated plant of turbulent flow generator, the pulp fiber network is diffused into the approximate continuous media of being made up of countless single fibers perhaps many how little micelles, make pulp fiber under fast state, be in complete turbulence and fluidization; Simultaneously, because the existence of steam bubble shape air can have a strong impact on pump-conveying property in the slurry, when air content rises, pumpability will reduce significantly, so, also must effectively separate and discharge, thereby provide guarantee for the smooth delivery of power of middle underflow material air in the slurry and fibrous suspension.
Chinese patent CN2506681, a kind of middle underflow material turbulent flow generator is disclosed, it is by claw rotor, the spiral endless belt, the disk of the open type centrifugal impeller or the rib that evenly distributes, one end is hollow and the axle of aspirating hole arranged, bearing body, pulley gear, motor, vacuum pump removal system, the common installation of vacuum tube connects and composes, its pass is: spiral endless belt 2 is welded on the strip shape claw of rotor, claw evenly be fixed in impeller or the disk of the rib that evenly distributes on, rotor is fixed on the axle, big belt pulley is fixed on the axle of motor, greatly, small belt pulley constitutes pulley gear with belt, and annulus cylindrical housings 4 is affixed with bearing body; Vacuum pump removal system is connected with steam vent on the annulus cylindrical shell by vacuum tube.This utility model complex structure, and be split-type structural, axial dimension is big, and transportation concentration is lower than 15%.
Summary of the invention
The utility model mainly is to solve the deficiencies in the prior art, provides a kind of hydrodynamics design and internal structure can make the impeller of the fluidised change helical angle of the slurry turbulent flow generator formula of concentration 8～18%.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of impeller that becomes helical angle turbulent flow generator formula comprises turbulent flow generating mechanism and impeller mechanism, and described turbulent flow generating mechanism comprises two and above helical form convex tendon, is provided with reinforcing ring between the helical form convex tendon; Described impeller mechanism comprises impeller blade, and the centre of impeller blade is provided with axis hole; One end and the impeller blade of described helical form convex tendon fix.Advancing to starch under the static pressure more than the 3m, middle underflow material is through the strong shearing and the high speed panting action of turbulent flow generator, the pulp fiber network is diffused into the approximate continuous media of being made up of countless single fibers perhaps many how little micelles, the underflow material is in complete turbulence and fluidization in making, wherein the air that produces in the fluidization process is split into low-pressure cavity by turbulent flow generator, and is expelled to gas gathering system through impeller return port and built-in or external vavuum pump; The fraction pulp fiber of carrying secretly in the air then by the length working-blade of impeller return port and particular design, is fed through discharge gate under centrifugal action; The impeller blade of underflow material by semi-open type converts the pressure energy to by kinetic energy in fluidised under action of centrifugal force, and by force feed to discharge gate, underflow material pumping work in finishing smoothly
As preferably, described helical form convex tendon has three, three helical form convex tendons shape in the shape of a spiral that evenly distributes mutually, and the helixangle of helical form convex tendon is 24 °～82 °, and the head between the helical form convex tendon is provided with reinforcing ring, and the bottom of helical form convex tendon links to each other with impeller blade; Be provided with one and above return port in the impeller blade of impeller mechanism, the surface distributed of impeller blade has one or more groups of foliage-separating mechanism, foliage-separating mechanism comprises that the farm labourer makes blade and the casual labourer makes blade, the farm labourer makes blade and the casual labourer is one group as blade, and the farm labourer does blade and casual labourer and is on the surface that convex arc shaped is distributed in impeller blade as blade; The back side of impeller blade is provided with one and the blade of one or more, and blade is located at a side of return port, and blade is arcuation, and blade is connected with the edge of impeller blade and the bottom of helical form convex tendon; The back side of described impeller blade is provided with 6 blades, and blade is evenly distributed in the back side of impeller blade, and described return port is pressed close to mutually with blade.
As preferably, described helical form convex tendon is isometrical formula rectangle pawl leaf; Impeller blade is provided with 6 groups of foliage-separating mechanisms, be provided with a return port in every group of foliage-separating mechanism, described farm labourer makes blade and contacts with axis hole outer rim on the impeller blade, and be evenly distributed on the surface of impeller blade of axis hole outer rim, the casual labourer is distributed in the side that the farm labourer makes blade as blade, the farm labourer makes the head that blade and casual labourer make blade and is circular-arc, the farm labourer makes blade and the casual labourer is the quadratic surface shape as blade, and the farm labourer does blade and casual labourer and makes spacing between the blade and be arcuation from the edge of impeller blade gradually to axis hole and dwindle.
Therefore, the utility model provides a kind of impeller that becomes helical angle turbulent flow generator formula, and output is big, the lift height, the fluidization of concentration slurry in being easy to realize, good pulp fiber and air separation effect, improve hydraulic efficiency, effective energy savings, installation dimension reduces.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the structural representation of impeller blade of the present utility model;
Fig. 3 is the structural representation at the impeller blade of the present utility model back side.
The specific 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 impeller that becomes helical angle turbulent flow generator formula, comprise turbulent flow generating mechanism 1 and impeller mechanism 7, described turbulent flow generating mechanism 1 comprises two and above helical form convex tendon 8,8 of helical form convex tendons are provided with reinforcing ring 5, helical form convex tendon 8 has three, three helical form convex tendons 8 shape in the shape of a spiral that evenly distributes mutually, the helixangle of helical form convex tendon 8 is 24 °～82 °, the head that the helical form convex tendon is 8 is provided with reinforcing ring 5, the bottom of helical form convex tendon 8 links to each other with impeller blade 2, and helical form convex tendon 8 is isometrical formula rectangle pawl leaf; Described impeller mechanism 7 comprises impeller blade 2, the centre of impeller blade 2 is provided with axis hole 9, be provided with one and above return port 4 in the impeller blade 2 of impeller mechanism 7, be distributed with one or more groups of foliage-separating mechanism on the impeller blade 2, foliage-separating mechanism comprises that the farm labourer makes blade 3 and the casual labourer makes blade 6, the farm labourer does blade 3 and casual labourer, and to make blade 6 be one group, the farm labourer does blade 3 and casual labourer and makes blade 6 and be on the surface that convex arc shaped is distributed in impeller blade 2, be that impeller blade 2 is provided with 6 groups of foliage-separating mechanisms, be provided with a return port 4 in every group of foliage-separating mechanism, described farm labourer makes blade 3 and contacts with axis hole 9 outer rims on the impeller blade 2, and be evenly distributed on the surface of impeller blade 2 of axis hole 9 outer rims, the back side of impeller blade 2 is provided with 6 blades 10, blade 10 is located at a side of return port 4, blade 10 is arcuation, wherein 3 blades 10 are connected with the edge of impeller blade 2 and the bottom of helical form convex tendon 8,3 10 in blades do not link to each other with the bottom of helical form convex tendon 8 in addition, and blade 10 is evenly distributed in the back side of impeller blade 2; The casual labourer makes blade 6 and is distributed in the side that the farm labourer makes blade 3, the farm labourer makes the head that blade 3 and casual labourer make blade 6 and is circular-arc, the farm labourer does blade 3 and casual labourer and makes blade 6 and be the quadratic surface shape, the farm labourer does blade 3 and casual labourer and makes spacing between the blade 6 and be arcuation from the edge of impeller blade 2 gradually to axis hole 9 and dwindle, and an end of described helical form convex tendon 8 links to each other with the back side of impeller blade 2.
Claims (4)
1. impeller that becomes helical angle turbulent flow generator formula, it is characterized in that: comprise turbulent flow generating mechanism (1) and impeller mechanism (7), described turbulent flow generating mechanism (1) comprises two and above helical form convex tendon (8), is provided with reinforcing ring (5) between helical form convex tendon (8); Described impeller mechanism (7) comprises impeller blade (2), and the centre of impeller blade (2) is provided with axis hole (9); One end of described helical form convex tendon (8) and impeller blade (2) fix.
2. a kind of impeller that becomes helical angle turbulent flow generator formula according to claim 1, it is characterized in that: described helical form convex tendon (8) has three, three helical form convex tendons (8) shape in the shape of a spiral that evenly distributes mutually, the helixangle of helical form convex tendon (8) is 24 °～82 °, head between helical form convex tendon (8) is provided with reinforcing ring (5), and the bottom of helical form convex tendon (8) links to each other with impeller blade (2); Be provided with one and above return port (4) in the impeller blade of impeller mechanism (7), impeller blade is distributed with one or more groups of foliage-separating mechanism on (2), foliage-separating mechanism comprises that the farm labourer makes blade (3) and the casual labourer makes blade (6), the farm labourer does blade (3) and casual labourer, and to make blade (6) be one group, and the farm labourer does blade (3) and casual labourer and makes blade (6) and be on the surface that convex arc shaped is distributed in impeller blade (2); The back side of impeller blade (2) is provided with one and the blade (10) of one or more, and blade (10) is located at a side of return port (4), and blade (10) is arcuation, and blade (10) is connected with the edge of impeller blade (2) and the bottom of helical form convex tendon (8).
3. a kind of impeller that becomes helical angle turbulent flow generator formula according to claim 1 and 2 is characterized in that: described helical form convex tendon (8) is isometrical formula rectangle pawl leaf; Impeller blade (2) is provided with 6 groups of foliage-separating mechanisms, be provided with a return port (4) in every group of foliage-separating mechanism, described farm labourer makes blade (3) and contacts with axis hole (9) outer rim on the impeller blade (2), the farm labourer does on the surface of impeller blade (2) that blade (3) is evenly distributed on axis hole (9) outer rim, the casual labourer makes blade (6) and is distributed in the side that the farm labourer makes blade (3), the farm labourer makes the head that blade (3) and casual labourer make blade (6) and is circular-arc, the farm labourer does blade (3) and casual labourer, and to make blade (6) be the quadratic surface shape, and the farm labourer does blade (3) and casual labourer and makes spacing between the blade (6) and be arcuation from the edge of impeller blade (2) gradually to axis hole (9) and dwindle; The back side of described impeller blade (2) is provided with 6 blades (10), and blade (10) is evenly distributed in the back side of impeller blade (2), and described return port (4) is pressed close to mutually with blade (10).
4. a kind of impeller that becomes helical angle turbulent flow generator formula according to claim 1 and 2 is characterized in that: described helical form convex tendon (8) is isometrical formula rectangle pawl leaf; Impeller blade (2) is provided with 6 groups of foliage-separating mechanisms, be provided with a return port (4) in every group of foliage-separating mechanism, described farm labourer makes blade (3) and contacts with axis hole (9) outer rim on the impeller blade (2), the farm labourer does on the surface of impeller blade (2) that blade (3) is evenly distributed on axis hole (9) outer rim, the casual labourer makes blade (6) and is distributed in the side that the farm labourer makes blade (3), the farm labourer makes the head that blade (3) and casual labourer make blade (6) and is circular-arc, the farm labourer does blade (3) and casual labourer, and to make blade (6) be the quadratic surface shape, and the farm labourer does blade (3) and casual labourer and makes spacing between the blade (6) and be arcuation from the edge of impeller blade (2) gradually to axis hole (9) and dwindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203137176U CN201598531U (en) | 2009-10-30 | 2009-10-30 | Impeller of turbulence generator with variable helix angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203137176U CN201598531U (en) | 2009-10-30 | 2009-10-30 | Impeller of turbulence generator with variable helix angle |
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| Publication Number | Publication Date |
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| CN201598531U true CN201598531U (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009203137176U Expired - Lifetime CN201598531U (en) | 2009-10-30 | 2009-10-30 | Impeller of turbulence generator with variable helix angle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619779A (en) * | 2012-04-01 | 2012-08-01 | 江苏大学 | Turbulence generator for medium-consistency paper pulp pump |
| CN103307022A (en) * | 2012-03-12 | 2013-09-18 | 江苏新跃泵业制造有限公司 | Medium-consistency pulp pump |
| CN118079577B (en) * | 2024-04-17 | 2024-06-21 | 杭锦旗亨东天然气有限公司 | Natural gas oil-gas separator |
-
2009
- 2009-10-30 CN CN2009203137176U patent/CN201598531U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307022A (en) * | 2012-03-12 | 2013-09-18 | 江苏新跃泵业制造有限公司 | Medium-consistency pulp pump |
| CN102619779A (en) * | 2012-04-01 | 2012-08-01 | 江苏大学 | Turbulence generator for medium-consistency paper pulp pump |
| CN118079577B (en) * | 2024-04-17 | 2024-06-21 | 杭锦旗亨东天然气有限公司 | Natural gas oil-gas separator |
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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: 20101006 |
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| CX01 | Expiry of patent term |