CN213529144U - Spiral pusher - Google Patents
Spiral pusher Download PDFInfo
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- CN213529144U CN213529144U CN202022220096.6U CN202022220096U CN213529144U CN 213529144 U CN213529144 U CN 213529144U CN 202022220096 U CN202022220096 U CN 202022220096U CN 213529144 U CN213529144 U CN 213529144U
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- helical blade
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Abstract
The utility model discloses a spiral pusher, which comprises a mandrel, the spindle is provided with first helical blade and second helical blade, first helical blade and second helical blade revolve to the same, first helical blade and second helical blade are at the setting of spindle equidistance, are located the spindle tip and are provided with two at least spiral pushing blade. The two sets of helical blades are arranged on the mandrel, and the acting time of the material in the cylinder of the centrifugal separation device can be prolonged under the action of the two sets of helical blades, so that the solid-liquid separation effect of the material is improved, the treatment capacity of the centrifugal separation device can be effectively improved, and the separation treatment efficiency of the device is improved. The end part of the mud discharging end of the mandrel is provided with the reverse spiral pushing blade, so that the solid material can be effectively prevented from being blocked at the discharging end and the discharging port of the device, the acting force of the solid material on the end cover of the end part of the discharging end of the device can be reduced, and the abrasion to the end cover is reduced.
Description
Technical Field
The utility model relates to a centrifugal separation technical field, in particular to spiral pusher.
Background
The centrifugal separation device can realize solid-liquid separation of materials and can be widely applied to various technical fields such as petroleum drilling and the like. Taking the treatment of the drilling fluid as an example, the centrifuge drives the drilling fluid in the cylinder to rotate at a high speed by means of the cylinder rotating at a high speed, so as to generate a centrifugal force equivalent to several hundred or even thousands of gravitational accelerations, and force solid-phase particles in the drilling fluid to rapidly settle on the inner wall of the cylinder. The drilling liquid is continuously fed into the cylinder body of the centrifuge through the discharge port of the spiral pusher by the feeding pipe, the solid matter precipitated on the inner wall of the cylinder body is continuously scraped out of the cylinder body by the spiral pusher which is contained in the cylinder body and has a slight difference in rotation speed relative to the cylinder body, and simultaneously, the clarified annular liquid far away from the inner wall of the cylinder body continuously flows out of the cylinder body through a group of overflow holes. The spiral pusher in the centrifugal separation device rotates simultaneously through the outer barrel and the spiral pusher in the barrel to realize the separation of materials, so that the structure of the spiral pusher has great influence on the treatment efficiency and the treatment effect of the materials.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spiral pusher to improve centrifugal separation device's solid-liquid treatment effect and treatment effeciency.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a spiral pusher, includes the dabber, be provided with first helical blade and second helical blade on the dabber, first helical blade and second helical blade's the same to revolving, first helical blade and second helical blade are at the epaxial equidistance setting of dabber, and it is provided with two at least spiral pushing blade to be located dabber one end tip.
In the above technical scheme, further, the dabber includes major diameter section, changeover portion and path section, major diameter section, changeover portion and path section connect gradually, the spiral pushes away material blade and sets up at path section tip along dabber circumference equipartition.
In the above technical scheme, further, the small diameter section end is provided with two spiral pushing blades, the two spiral pushing blades have the same rotating direction and are symmetrically arranged along the axis of the mandrel, and the rotating direction of the spiral pushing blades is opposite to that of the first spiral blade and the second spiral blade.
In the above technical scheme, further, one end of each of the first helical blade and the second helical blade extends to the small-diameter section and is symmetrically arranged along the axis of the mandrel.
In the above technical solution, further, the projections of the end of one end of the spiral pushing blade on the vertical cross section of the mandrel coincide with the projections of the first spiral blade and the second spiral blade on the vertical cross section of the mandrel, respectively.
In the above technical solution, further, the extension lines of the first helical blade and the second helical blade at the end of the small diameter section are respectively located at the central line position of the helical pushing blade.
In the above technical solution, further, an arc-shaped notch is formed at one end of the spiral pushing blade close to the mandrel.
The utility model arranges two groups of helical blades on the mandrel, the two groups of helical blades are arranged at equal intervals, under the condition that the mandrel is partially changed, the acting time of materials in the cylinder of the centrifugal separation device can be increased under the action of the two groups of helical blades, thereby increasing the solid-liquid separation effect of the materials; meanwhile, the treatment capacity of the centrifugal separation device can be effectively improved, and the separation treatment efficiency of the device is improved.
The end part of the mud discharging end of the mandrel is provided with the reverse spiral pushing blade, so that the separated solid material is pushed in the reverse direction at the mud discharging end, the solid material can be effectively prevented from being blocked at the discharging end and the discharging port of the device, the acting force of the solid material on the upper end cover at the end part of the discharging end of the device can be reduced, and the abrasion to the end cover is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the structure of the present invention.
Fig. 3 is a right side view of the structure of the present invention.
In the figure: 100. the spiral pushing device comprises a mandrel, 101, a large-diameter section, 102, a transition section, 103, a small-diameter section, 200, a first spiral blade, 300, a second spiral blade, 400, a spiral pushing blade, 401 and an arc-shaped notch.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the screw pusher in this embodiment includes a mandrel 100, the mandrel 100 includes a large diameter section 101, a transition section 102, and a small diameter section 103, and the large diameter section 101, the transition section 102, and the small diameter section 103 are connected in sequence.
The mandrel 100 is provided with a first helical blade 200 and a second helical blade 300, the rotation directions of the first helical blade 200 and the second helical blade 300 are the same, and the first helical blade 200 and the second helical blade 200 are arranged on the mandrel 100 at equal intervals. The two groups of helical blades are arranged on the mandrel at equal intervals, so that the acting time of the material in the cylinder of the centrifugal separation device can be prolonged under the action of the two groups of helical blades under the condition that the mandrel is changed, and the solid-liquid separation effect of the material is improved; meanwhile, the treatment capacity of the centrifugal separation device can be effectively improved, and the separation treatment efficiency of the device is improved.
As shown in fig. 2, two spiral pushing blades 300 are disposed at the end of the small diameter section 103 of the mandrel 100, the two spiral pushing blades 400 have the same rotation direction and are symmetrically disposed along the axis of the mandrel, and the rotation direction of the spiral pushing blades 400 is opposite to the rotation direction of the first spiral blade 200 and the second spiral blade 300. The minor diameter section of the central spindle in the centrifugal separation device is the discharge end of the solid material, two spiral pushing blades are arranged at the discharge end of the device and used for applying an acting force in the opposite direction to the separated solid material at the discharge end, so that the solid material can be effectively prevented from being blocked at the discharge end and the discharge port of the device, the acting force of the solid material on the upper end cover at the end part of the discharge end of the device can be reduced, the abrasion to the end cover is reduced, and the separation treatment efficiency and effect of the centrifugal separation device can be further improved.
Preferably, one end portions of the first helical blade 200 and the second helical blade 300 are extended to the small-diameter section 103, and are symmetrically arranged along the mandrel axis. The extension lines of the first helical blade 200 and the second helical blade 300 at the ends of the small diameter section are respectively positioned at the central line position of the helical pushing blade. The projections of the end parts of one ends of the two spiral pushing blades 400 on the vertical section of the mandrel are respectively superposed with the projections of the end parts of the small-diameter section of the first spiral blade 200 and the second spiral blade 300 on the vertical section of the mandrel, so that the two spiral pushing blades are just positioned between the end parts of the first spiral blade and the second spiral blade on the small-diameter section. By adopting the structure, the interaction force and the action range between the two spiral blades and the two spiral pushing blades can be further optimized, so that the effect of the spiral pushing blades on the solid material can achieve a better effect, and the influence of the spiral pushing blades on the effect of the two spiral blades can be reduced.
An arc-shaped notch 401 is formed in one end, close to the mandrel, of the spiral pushing blade 400, so that the spiral pushing blade is of an L-shaped structure, and the arc-shaped notch 401 is formed in one side, facing the small diameter section, of the spiral pushing blade. The arrangement of the arc-shaped notch can avoid the interference between the spiral pushing blade and other parts of the centrifugal separation device, and the spiral pushing blade is convenient to assemble on the mandrel; meanwhile, the area of the spiral pushing blade at the connecting end is reduced, the connection elasticity of the spiral pushing blade can be increased, and the spiral pushing blade can be prevented from being damaged when the device breaks down and is blocked at the discharging end.
The present invention is not limited to the above description and drawings, but should be understood as being illustrative and not restrictive, and the technical features can be replaced and modified without creative efforts by those skilled in the art according to the technical content disclosed, all falling within the scope of the present invention.
Claims (7)
1. The utility model provides a spiral pusher, its characterized in that, includes the dabber, be provided with first helical blade and second helical blade on the dabber, first helical blade and second helical blade revolve to the same, first helical blade and second helical blade are at the epaxial equidistance setting of dabber, and it is provided with two at least spiral pushing blade to be located dabber one end tip.
2. The screw pusher according to claim 1, wherein the mandrel comprises a large diameter section, a transition section and a small diameter section, the large diameter section, the transition section and the small diameter section are connected in sequence, and the screw pusher blades are uniformly arranged at the end of the small diameter section along the circumference of the mandrel.
3. The screw pusher according to claim 2, characterized in that two screw pushing blades are provided at the end of the small diameter section, the two screw pushing blades have the same rotation direction and are symmetrically arranged along the axis of the mandrel, and the rotation direction of the screw pushing blades is opposite to that of the first screw blade and the second screw blade.
4. The screw pusher according to claim 3, wherein one end portions of the first and second screw blades are extended to the small diameter section and are symmetrically arranged along the axis of the mandrel, respectively.
5. The screw feeder according to claim 4, wherein the projections of the ends of the first and second helical blades on the vertical section of the mandrel coincide with the projections of the ends of the small diameter section of the first and second helical blades on the vertical section of the mandrel, respectively.
6. The screw feeder according to claim 4 or 5, wherein the extension lines of the first and second screw blades at the ends of the small diameter section are respectively located at the center line of the screw blade.
7. The screw feeder according to claim 1, wherein the screw blade is provided with an arcuate notch at an end adjacent to the spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220096.6U CN213529144U (en) | 2020-09-30 | 2020-09-30 | Spiral pusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220096.6U CN213529144U (en) | 2020-09-30 | 2020-09-30 | Spiral pusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213529144U true CN213529144U (en) | 2021-06-25 |
Family
ID=76495887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022220096.6U Active CN213529144U (en) | 2020-09-30 | 2020-09-30 | Spiral pusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213529144U (en) |
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2020
- 2020-09-30 CN CN202022220096.6U patent/CN213529144U/en active Active
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