CN202962365U - Spiral-type aeration stirrer - Google Patents
Spiral-type aeration stirrer Download PDFInfo
- Publication number
- CN202962365U CN202962365U CN201220694006.XU CN201220694006U CN202962365U CN 202962365 U CN202962365 U CN 202962365U CN 201220694006 U CN201220694006 U CN 201220694006U CN 202962365 U CN202962365 U CN 202962365U
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- bearing
- outer cover
- type aeration
- hollow shaft
- seal
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a spiral-type aeration stirrer. The spiral-type aeration stirrer comprises a submersible motor with a hollow stirring shaft, a fixing flange with one side used for installing the submersible motor, a bearing seat installed at one side of the submersible motor and provided with a bearing, an outer cover installed at the other side of the bearing seat, a flow guide cover fixed on the outer cover, a stirring impeller driven by the hollow stirring shaft, and a shearing propeller sleeved at the tail end of the hollow stirring shaft, wherein the bearing is an oil-containing rolling bearing. The spiral-type aeration stirrer disclosed by the utility model adopts the oil-containing rolling or sliding bearing, is protected in an oil chamber by a sealing element, reliable in running, small in resistance during the rotation of the stirring shaft, increased in power efficiency, free from blockage and winding, low in working noise, and long in service life, and does not need to replace and maintain for a long time.
Description
Technical field
The utility model relates to a kind of screw type aeration blender.
Background technology
Existing screw type aeration blender, have following shortcoming: the material of bearing under water that 1, is used for the support shaft is rubber shaft bearing, the bearing material is tin bronze, and the axle sleeve material is zirconia, easily weares and teares at the high concentration sludge waste water middle (center) bearing that contains fiber fines and contain the grains of sand, and guarantee the lubricity of submerged bearing, must drive the mouth of a river in the position of bearings, thereby easily cause the part air to leak from water inlet position, like this, affect bearing lubrication on the one hand, affect on the other hand the filling apparatus oxygen efficiency; 2, there is no sealing device at submerged bearing two ends, thereby can cause the part air to run off from the water inlet of bearing lubrication, affect the aeration effect; 3, shaft adopts coupling band to be connected with motor shaft, is not easy to safeguard; 4, because adopting rubber shaft bearing and copper bearing, during the shaft operation, frictional force is large, causes power attenuation large, and thrust of impeller is with less under power situation, the aeration effect a little less than; 5, submersible motor type shaft and motor are disalignment, and connect by coupling band, and transmission efficiency is low, and cost is high.
Summary of the invention
The utility model purpose is: a kind of screw type aeration blender is provided.
The first technical scheme of the present utility model is: a kind of screw type aeration blender, it comprises: have the hollow shaft submersible motor, be used for to install submersible motor mounting flange, be arranged on submersible motor one side and be provided with bearing bearing block, be arranged on the bearing block opposite side outer cover, be fixed on kuppe on outer cover, stir shaft-driven agitator arm and be set in the sheared helical oar of hollow shaft end by hollow, wherein said bearing is the oil-containing rolling bearing.
Preferably, described outer cover comprises the outside housing cover of sealing bearing block one end, the outer cover air inlet that is axially disposed within upper seal between bearing block and outside housing cover, is axially disposed within lower seal between outside housing cover and kuppe, is arranged between seal and lower seal and is connected with hollow shaft inside.
Preferably, described kuppe is positioned at the periphery of agitator arm, and the sheared helical oar is comprised of flight, flinders, air atomizer.
the second technical scheme of the present utility model is: a kind of screw type aeration blender, it comprises: the dry type motor with motor shaft, one side is used for installing the mounting flange of dry type motor, the hollow shaft that is connected by the hitch bar axle with motor shaft, be arranged on the mounting flange opposite side and be provided with the outer cover of step, be positioned at the kuppe of outer cover one side, stir shaft-driven agitator arm by hollow, be set in the sheared helical oar of hollow shaft end, and be arranged between outer cover and agitator arm and the fixing seal receptacle of kuppe, wherein the lower bearing of step is that oil-containing rolls or sliding bearing.
Preferably, described hitch bar is shaft coupling or universal joint.
Preferably, described mounting flange is provided with the top chock adjacent with outer cover and is arranged on the upper bearing (metal) of top chock, and wherein upper bearing (metal) is the oil-containing rolling bearing.
Preferably, described external cover is located at the outside of hollow shaft, and comprise near top chock and the outer cover air inlet that is connected with hollow shaft inside, and step further comprises near the upper sealed pressing sleeve of lower bearing and the upper seal of and axial seal adjacent with upper sealed pressing sleeve.
Preferably, described kuppe is positioned at the periphery of agitator arm, and the sheared helical oar is comprised of flight, flinders, air atomizer.
Preferably, described seal receptacle comprises and agitator arm is adjacent and the lower seal of axial seal and the lower seal gland between lower seal and lower bearing.
The utility model advantage is:
The utility model adopts oil-containing to roll or sliding bearing; and protected in the grease chamber by seal; reliable; when shaft rotates, resistance is less; improve dynamic efficiency, nothing is stopped up, nothing is wound around, operating noise is little, except motor need to be safeguarded; the remaining part long service life need not to change, safeguard for a long time.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the cross-sectional schematic of the first embodiment of the present utility model.
Fig. 2 is the cross-sectional schematic of the second embodiment of the present utility model.
The specific embodiment
Embodiment 1: with reference to shown in Figure 1, the utility model provides a kind of the first embodiment of screw type aeration blender, it comprise submersible motor 1 with hollow shaft 101, a side be used for installing the mounting flange 2 of submersible motor 1, be arranged on submersible motor 1 one sides and be provided with bearing 30 bearing block 3, be arranged on bearing block 3 opposite sides outer cover 34, be fixed on kuppe 4 on outer cover 34, the agitator arm 5 that is driven by hollow shaft 101 and the sheared helical oar 6 that is set in hollow shaft 101 ends.
Outer cover 34 comprises the outside housing cover 33 of sealing bearing block 3 one ends, the outer cover air inlet 340 that is axially disposed within upper seal 32 between bearing block 3 and outside housing cover 33, is axially disposed within lower seal 36 between outside housing cover 33 and kuppe 4, is arranged between seal 32 and lower seal 36 and is connected with hollow shaft 101 inside.
Kuppe 4 is positioned at the peripheral of agitator arm 5 and flows for adding strong mixing and forming the rotation line.Sheared helical oar 6 is comprised of flight 60, flinders 62, air atomizer 64.
During work, submersible motor 1 is placed under water greater than casing 2/3 place, and hollow shaft 101 drives agitator arm 5 and sheared helical oars 6, with 730 rotary speeds rotations per minute.At aeration aerating during the stage, the pressure air that air pump (not shown) produces enters outer cover 34, hollow shaft 101, sheared helical oar 6 high velocity jet through outer cover air inlet 340 when the sewage disposal flow process.Because sheared helical oar 6 is equipped with flight 60, flinders 62 and air atomizer 64, the air that sprays at a high speed is atomized, fragmentation fully mixes with water after cutting into countless superfine little bubbles.Agitator arm 5 is at the bottom of the tiny bubble in the surface is pushed ahead the pond together in company with current on the water with wrapped folder, bubble is diffused in farther, wider waters, micro-bubble by the pond at the bottom of slow release go out the water surface, it has increased oxygenation process and time, thereby oxygen-transfer efficiency is improved greatly.When only needing to stir, close intake valve and air pump and stop air feed and get final product.This moment, agitator arm 5 and sheared helical oar 6 only played the plug-flow effect of stirring under water.
embodiment 2: with reference to shown in Figure 2, the utility model provides a kind of the second embodiment of screw type aeration blender, it comprises the dry type motor 100 with motor shaft, one side is used for installing the mounting flange 200 of dry type motor 100, the hollow shaft 102 that is connected by hitch bar 202 axles with motor shaft, be arranged on mounting flange 200 opposite sides and be provided with the outer cover 300 of step 320, be positioned at the kuppe 400 of outer cover one side, agitator arm 500 by 102 drivings of hollow shaft, be set in the sheared helical oar 600 of hollow shaft 102 ends, and be arranged between outer cover 300 and agitator arm 500 and the fixing seal receptacle 700 of kuppe 400.Hitch bar 202 is arranged on the motor side of mounting flange 200, becomes the leaf structure of decile, the flange plate type connected mode, and hitch bar also can adopt between taper, universal joint and shaft and adopt interference fit.
During work, dry type motor 100 is placed on waterborne, and hollow shaft 102 drives agitator arm 500 and sheared helical oar 600, with 730 rotary speed rotations per minute.At aeration aerating during the stage, the pressure air that air pump (not shown) produces is through outer cover 300, hollow shaft 102, sheared helical oar 600 high velocity jet when the sewage disposal flow process.Because sheared helical oar 600 is equipped with flight 602, flinders 604 and air atomizer 606, the air that sprays at a high speed is atomized, fragmentation fully mixes with water after cutting into countless superfine little bubbles.Agitator arm 500 is at the bottom of the tiny bubble in the surface is pushed ahead the pond together in company with current on the water with wrapped folder, bubble is diffused in farther, wider waters, micro-bubble by the pond at the bottom of slow release go out the water surface, it has increased oxygenation process and time, thereby oxygen-transfer efficiency is improved greatly.When only needing to stir, close intake valve and air pump and stop air feed and get final product.This moment, agitator arm 500 and sheared helical oar 600 only played the plug-flow effect of stirring under water.
Experiment and practice show that screw type aeration blender of the present utility model has following characteristics:
1, time of contacting with water of bubble is long, surface area contact is large.Bubble can fully mix with sewage at the bottom of the pond, the duck in drink speed of diffusion of the gas mobile distance that ducks in drink, gas is fast, and bubble discharges the water surface from the bottom, the gas probability that mutually collision merges that ducks in drink is few, and this has just greatly improved the sewage oxygen-transfer efficiency, has increased service area.
Bubble mixes with sewage through the atomizing of sheared helical oar and agitator arm, broken cutting, after stirring.Bubble ratio surface aerating machine, jet aerator, centrifugal aerator, self-priming plug-flow type aeration machine rotor are less, simultaneously can supporting different capacity air pump according to oxygen demand, oxidation effect is more much better than drawing-in type aerator, the agitator arm diameter of screw type aeration blender is 4 times of drawing-in type aerator airscrew diameter, and screw type aeration blender only needs the energy consumption of drawing-in type aerator 1/4 just can promote the even more water body of equivalent.Bubble is with after water fully mixes, and is stirred rapidly again that impeller is pushed forward a distant place to and diffusion is come.Can greatly reduce near the oxygenation supersaturation of sheared helical oar and bubble hit and merge probability.What the helix mode was pushed ahead under the agitator arm effect due to water body, minute bubbles are moving forward and are slowly also stirring up and down twist with current in uphill process, and its movement locus lengthens, and has greatly extended time of contacting with water and the stroke in water.Therefore has higher dissolved oxygen efficiency than pipeline micro-hole aerator (risings of bubble straight line), the centrifugal aerator of jet aerator (being oblique line rises) (being the flat spin rising), rotary disk aerator and other surface aerating machines (be surperficial surrounding horizontal proliferation, at the bottom of the pond almost without oxygenation capacity).This machine adopts submersible motor, fitting depth can reach 30 meters, adopt the dry type motor to can be used for that water temperature is higher, corrosivity is extremely strong, and contain in the trade effluent industry of chlorion, fluorine ion, the utility model setting angle can be 0 ° of-90 ° of adjustment, and mounting means has the free anchoring type of float-type, directly great-leap-forward, wall-hanging, bridge installation.
2, Technological adaptability is good, and the energy loss-rate is low.Aeration of the present utility model and mixing time can be adjusted arbitrarily, can provide source of the gas by big or small air pumps different from aerobic requirement adjustment simultaneously, to reach best wastewater treatment efficiency.The utility model is when stopping air feed, only leaf is starched rotation and is reached stirring action, and jet aerator, centrifugal aerator only just can play stirring action when aeration, if allow them only be used for stirring, will consume larger power, these aeration agitation effects all can't be compared with screw type aeration blender.
3, compact conformation, dual-use, equipment are without civil engineering costs, and installation and repairing is convenient.The utility model aeration, stir unification, anhydrous lower pipe network, without civil engineering.When installation, lifting, maintenance, without draining, this is the unexistent advantage of pipeline micro-pore aeration machine, need to drain sewage in the pond during maintenance of pipeline micro-hole aerator, and the pipeline aeration head stops up easily, fault rate is high.Special installation system can conveniently be installed location and maintenance.
4, be positioned near the bearing of impeller and adopt oil-containing rolling bearing or sliding bearing, and protected in the grease chamber by seal, reliable; nothing is stopped up, nothing is wound around, operating noise is little; except motor need to be safeguarded, the remaining part long service life need not to change, safeguard for a long time.
Certainly above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes are within all should being encompassed in protection domain of the present utility model.
Claims (9)
1. screw type aeration blender, it is characterized in that it comprises: the submersible motor (1) with hollow shaft (101), be used for installing the mounting flange (2) of submersible motor (1), be arranged on submersible motor (1) one side and be provided with the bearing block (3) of bearing (30), be arranged on the outer cover (34) of bearing block (3) opposite side, be fixed on the kuppe (4) on outer cover (34), agitator arm (5) by hollow shaft (101) driving, with the sheared helical oar (6) that is set in hollow shaft (101) end, wherein said bearing (30) is the oil-containing rolling bearing.
2. screw type aeration blender according to claim 1 is characterized in that: described outer cover (34) comprises the outside housing cover (33) of sealing bearing block (3) one ends, the outer cover air inlet (340) that is axially disposed within upper seal (32) between bearing block (3) and outside housing cover (33), is axially disposed within lower seal (36) between outside housing cover (33) and kuppe (4), is arranged between seal (32) and lower seal (36) and is connected with hollow shaft (101) inside.
3. screw type aeration blender according to claim 1 and 2, it is characterized in that: described kuppe (4) is positioned at the periphery of agitator arm (5), and sheared helical oar (6) is comprised of flight (60), flinders (62), air atomizer (64).
4. screw type aeration blender, it is characterized in that it comprises: the dry type motor (100) with motor shaft, one side is used for installing the mounting flange (200) of dry type motor (100), the hollow shaft (102) that is connected by hitch bar (202) axle with motor shaft, be arranged on mounting flange (200) opposite side and be provided with the outer cover (300) of step (320), be positioned at the kuppe (400) of outer cover (300) one sides, agitator arm (500) by hollow shaft (102) driving, be set in the sheared helical oar (600) of hollow shaft (102) end, and be arranged between outer cover (300) and agitator arm (500) and the fixing seal receptacle (700) of kuppe (400), wherein the lower bearing (322) of step (320) rolls or sliding bearing for oil-containing.
5. screw type aeration blender according to claim 4, it is characterized in that: described hitch bar (202) is shaft coupling or universal joint.
6. screw type aeration blender according to claim 5, it is characterized in that: described mounting flange (200) is provided with the top chock (220) adjacent with outer cover (300) and is arranged on the upper bearing (metal) (222) of top chock (220), and wherein upper bearing (metal) (222) is the oil-containing rolling bearing.
7. screw type aeration blender according to claim 6, it is characterized in that: described outer cover (300) is set in the outside of hollow shaft (102), and comprise near top chock (220) and the outer cover air inlet (302) that is connected with hollow shaft (102) inside, and step (320) further comprises near the upper sealed pressing sleeve (324) of lower bearing (322) and the upper seal (326) of and axial seal adjacent with upper sealed pressing sleeve (324).
8. according to claim 4 or 5 or 6 or 7 described screw type aeration blenders, it is characterized in that: described kuppe (400) is positioned at the periphery of agitator arm (500), and sheared helical oar (600) is comprised of flight (602), flinders (604), air atomizer (606).
9. screw type aeration blender according to claim 7 is characterized in that: described seal receptacle (700) comprise the lower seal (702) of and axial seal adjacent with agitator arm (500) and be positioned at lower seal (702) and lower bearing (322) between lower seal gland (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220694006.XU CN202962365U (en) | 2012-12-14 | 2012-12-14 | Spiral-type aeration stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220694006.XU CN202962365U (en) | 2012-12-14 | 2012-12-14 | Spiral-type aeration stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202962365U true CN202962365U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220694006.XU Expired - Fee Related CN202962365U (en) | 2012-12-14 | 2012-12-14 | Spiral-type aeration stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202962365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186141A (en) * | 2016-08-15 | 2016-12-07 | 亚太水处理(天长)有限公司 | A kind of umbrella air-flow increment spraying device of the aerator that floats |
| TWI579040B (en) * | 2015-01-14 | 2017-04-21 | Yen Chen Machinery Co Ltd | Single-axis output of the positive and negative device |
-
2012
- 2012-12-14 CN CN201220694006.XU patent/CN202962365U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI579040B (en) * | 2015-01-14 | 2017-04-21 | Yen Chen Machinery Co Ltd | Single-axis output of the positive and negative device |
| CN106186141A (en) * | 2016-08-15 | 2016-12-07 | 亚太水处理(天长)有限公司 | A kind of umbrella air-flow increment spraying device of the aerator that floats |
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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: 20130605 Termination date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |