CN215465218U - Spiral conveying sleeve capable of reducing disturbance and horizontal centrifuge - Google Patents
Spiral conveying sleeve capable of reducing disturbance and horizontal centrifuge Download PDFInfo
- Publication number
- CN215465218U CN215465218U CN202122090952.5U CN202122090952U CN215465218U CN 215465218 U CN215465218 U CN 215465218U CN 202122090952 U CN202122090952 U CN 202122090952U CN 215465218 U CN215465218 U CN 215465218U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- wall
- spiral
- section
- rotating drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model discloses a spiral conveying sleeve for reducing disturbance and a horizontal centrifuge, which comprise a central cylinder and spiral blades formed on the outer wall of the central cylinder; the central cylinder comprises a first cylinder and a second cylinder which are coaxially arranged, the first cylinder is cylindrical, the second cylinder is conical, the large end of the second cylinder faces the first cylinder, the helical blade is provided with a first helical section and a second helical section, the first helical section is arranged on the outer wall of the first cylinder, and the second helical section is formed on the outer wall of the second cylinder; the central cylinder body is also provided with a conical transition section which is connected with the first cylinder body and the second cylinder body, the small end of the conical transition section is connected with the outer wall of the first cylinder body, and the large end of the conical transition section is connected with the outer wall of the large end of the second cylinder body. Compared with the prior art, the utility model reduces the disturbance to the material in the outer rotary drum while controlling the discharge rate of the material by arranging the conical transition section, and improves the grading effect of the centrifuge.
Description
Technical Field
The utility model relates to the field of centrifugal classification equipment, in particular to a spiral conveying sleeve for reducing disturbance and a horizontal centrifuge.
Background
Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The suspension liquid enters the rotary drum from the spiral conveyor through the feeding pipe by the horizontal centrifuge, the solid-phase particles with larger specific gravity are deposited on the inner wall of the rotary drum under the action of centrifugal force generated by the rotation of the rotary drum, and the solid-phase particles deposited on the inner wall of the rotary drum are continuously scraped by the spiral blade which moves relative to the rotary drum and are discharged to the discharge hole along with the liquid. The clear liquid after the separation is discharged through the liquid outlet, and the tradition way adopts the opening size of control discharge gate to realize control discharge speed, but owing to during the hierarchical both sides discharge gate is the turbid liquid, adopts the mode discharge rate of control opening size too big easily, and is difficult to control.
The applicant has developed a scheme that a baffle is arranged on a spiral blade, and the discharge rate is controlled by controlling the gap between the baffle and the inner wall of a rotary drum, but because the baffle is arranged perpendicular to the axis of the spiral blade, an included angle exists between the baffle and the spiral blade to form a dead angle, and liquid in the rotary drum is disturbed in the rotating process under certain conditions, so that the centrifugal classification effect is generated.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a spiral conveying sleeve for reducing disturbance and a horizontal centrifuge. The device has the characteristics of conveniently controlling the discharging speed and reducing disturbance.
In order to achieve the above purpose, the solution of the utility model is:
a spiral conveying sleeve for reducing disturbance comprises a central cylinder and spiral blades formed on the outer wall of the central cylinder; the central cylinder comprises a first cylinder and a second cylinder which are coaxially arranged, the first cylinder is cylindrical, the second cylinder is conical, the large end of the second cylinder faces the first cylinder, the helical blade is provided with a first helical section and a second helical section, the first helical section is arranged on the outer wall of the first cylinder, and the second helical section is formed on the outer wall of the second cylinder; the central cylinder body is also provided with a conical transition section which is connected with the first cylinder body and the second cylinder body, the small end of the conical transition section is connected with the outer wall of the first cylinder body, and the large end of the conical transition section is connected with the outer wall of the large end of the second cylinder body.
Further, the pitch of the second spiral section is gradually increased from the large end to the small end of the second cylinder.
Further, be connected with the inlet pipe in the first barrel, be formed with the liquid hole of crossing inside and outside at least one intercommunication first barrel on the first barrel outer wall.
Further, the first spiral section and the second spiral section of the spiral blade are connected, and a part of the spiral blade is arranged on the outer wall of the conical transition section.
A horizontal centrifuge comprises a rack, an outer rotating drum and the spiral conveying sleeve, wherein a first discharge hole and a second discharge hole are respectively formed in two ends of the outer rotating drum; the outer rotating drum is rotatably connected to the rack, and the spiral conveying sleeve is rotatably arranged in the outer rotating drum.
Further, the distance between the outer wall of the second cylinder and the inner wall of the outer rotating drum is kept equal.
Further, the distance between the outer wall of the second cylinder and the inner wall of the outer rotating drum at the position is 2-50 mm.
After adopting the structure, the spiral conveying sleeve and the horizontal centrifuge for reducing disturbance, which are disclosed by the utility model, have the following beneficial effects:
the discharge rate is controlled by controlling the distance between the second cylinder and the inner wall of the outer rotating drum, namely the distance between the large end of the conical transition section and the inner wall of the outer rotating drum, the conical transition section is arranged between the first cylinder and the second cylinder, materials are gradually transited in the conical transition section, the generation of dead angles is reduced, and the disturbance caused to liquid in the outer rotating drum is reduced.
The screw pitch of second, second spiral section increases gradually, and the turbid liquid that carries through second spiral section like this can not cause the extrusion for the ejection of compact is more smooth and easy.
Compared with the prior art, the utility model reduces the disturbance to the material in the outer rotary drum while controlling the discharge rate of the material by arranging the conical transition section, and improves the grading effect of the centrifuge.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a horizontal centrifuge according to the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a spiral delivery sleeve.
Fig. 4 is a schematic diagram of the overall structure of a horizontal centrifuge of another structure.
In the figure:
a central cylinder 1; a first barrel 11; a second cylinder 12; a conical transition section 13;
a helical blade 2; a first helical section 21; a second helical section 22;
a frame 3; an outer rotating drum 4; a first discharge port 41; a second discharge port 42; a feed pipe 51; a liquid passing hole 52;
a drive motor 6; a first pulley 61; a second pulley 62; a third pulley 63; the first connecting portion 631; and a second connection portion 632.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 4, a spiral delivery sleeve for reducing disturbance according to the present invention includes a central cylinder 1 and a spiral blade 2 formed on an outer wall of the central cylinder 1; the central cylinder 1 comprises a first cylinder 11 and a second cylinder 12 which are coaxially arranged, the first cylinder 11 is cylindrical, the second cylinder 12 is conical, the large end of the second cylinder is arranged towards the first cylinder 11, the helical blade 2 is provided with a first helical section 21 and a second helical section 22, the first helical section 21 is arranged on the outer wall of the first cylinder 11, and the second helical section 22 is formed on the outer wall of the second cylinder 12; the central cylinder 1 is also provided with a conical transition section 13 connected with the first cylinder 11 and the second cylinder 12, the small end of the conical transition section 13 is connected with the outer wall of the first cylinder 11, and the large end of the conical transition section 13 is connected with the outer wall of the large end of the second cylinder 12. Preferably, the first helical section 21 and the second helical section 22 of the helical blade 2 are connected, and a part of the helical blade 2 is disposed on the outer wall of the conical transition section 13.
Thus, the spiral conveying sleeve and the horizontal centrifuge for reducing disturbance realize the control of the discharge rate by controlling the distance between the second cylinder 12 and the inner wall of the outer rotating drum 4, namely the distance between the large end of the conical transition section 13 and the inner wall of the outer rotating drum 4, the conical transition section 13 is arranged between the first cylinder 11 and the second cylinder 12, materials are gradually transited in the conical transition section 13, the generation of dead angles is reduced, and the disturbance caused to the liquid in the outer rotating drum 4 is reduced. And because the conical transition section 13 is arranged, the distance between the second cylinder 12 and the inner wall of the outer rotating drum 4 is smaller than the distance between the first cylinder 11 and the inner wall of the outer rotating drum 4, and the centrifugal force generated by the material between the second cylinder 12 and the inner wall of the outer rotating drum 4 is smaller, so that the material is convenient to discharge.
Preferably, the pitch of the second spiral section 22 gradually increases from the large end to the small end of the second cylinder 12. The suspension that carries out the transport through second spiral section 22 can not cause the extrusion like this for the ejection of compact is more smooth and easy.
The utility model also provides a horizontal centrifuge, which comprises a frame 3, an outer rotating drum 4 and the spiral conveying sleeve, wherein a first discharge hole 41 and a second discharge hole 42 are respectively arranged at two ends of the outer rotating drum 4; the outer rotating drum 4 is rotatably connected to the rack 3, and the spiral conveying sleeve is rotatably arranged in the outer rotating drum 4. The feeding pipe 51 is connected in the first cylinder 11, and at least one liquid passing hole 52 communicated with the inside and the outside of the first cylinder 11 is formed on the outer wall of the first cylinder 11. The material to be classified enters the first cylinder 11 through the feeding pipe 51, enters the outer rotating drum 4 through the liquid passing hole 52 on the first cylinder 11, and is subjected to centrifugal classification through the relative rotation of the helical blades 2 and the outer rotating drum 4.
Preferably, the distance between the outer wall of the second cylinder 12 and the inner wall of the outer rotating drum 4 is kept equal. By controlling the distance between the outer wall of the second cylinder 12 and the inner wall of the outer rotating drum 4, equipment with different distances is selected according to the characteristics of different materials, so that the centrifugal classification effect is ensured; preferably, the distance between the outer wall of the second cylinder 12 and the inner wall of the outer rotating drum 4 is 2-50 mm.
Preferably, a differential mechanism is arranged at the end part of the outer rotating drum 4, the differential mechanism is connected with a driving mechanism, and the driving mechanism drives the outer rotating drum 4 and the spiral material conveying sleeve to rotate through the differential mechanism; the driving mechanism comprises a driving motor 6, the differential mechanism comprises a first belt pulley 61, a second belt pulley 62 and a third belt pulley 63, the first belt pulley 61 is coaxially and fixedly connected with the outer rotating drum 4, and the second belt pulley 62 is coaxially and fixedly connected with the spiral conveying sleeve; the third belt pulley 63 is fixedly connected with an output shaft of the driving motor 6; the diameter of the second pulley 62 is larger than that of the first pulley 61; a first connecting portion 631 and a second connecting portion 632 having different diameters are formed on the third pulley 63, and the diameter of the first connecting portion 631 is larger than that of the second connecting portion 632; the first connecting portion 631 is connected to the first pulley 61 by a first belt, and the second connecting portion 632 is connected to the second pulley 62 by a second belt.
Through setting up first belt pulley 61, second belt pulley 62 and third belt pulley 63, driving motor 6 drives third belt pulley 63 rotates and passes through first connecting portion 631 and second connecting portion 632 on the third belt pulley 63 respectively with first belt pulley 61 and second belt pulley 62 pass through the belt and are connected. Because the transmission ratios of the two transmission structures formed by the first connecting part 631 and the first belt pulley 61, the second connecting part 632 and the second belt pulley 62 are different, the rotation speeds of the first belt pulley 61 and the second belt pulley 62 are different, and the differential motion between the outer rotating drum 4 and the spiral conveying sleeve is realized.
Compared with the prior art, the utility model reduces the disturbance to the material in the outer rotary drum 4 while controlling the discharge rate of the material by arranging the conical transition section 13, and improves the grading effect of the centrifuge.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (7)
1. A spiral conveying sleeve for reducing disturbance is characterized by comprising a central cylinder and spiral blades formed on the outer wall of the central cylinder; the central cylinder comprises a first cylinder and a second cylinder which are coaxially arranged, the first cylinder is cylindrical, the second cylinder is conical, the large end of the second cylinder faces the first cylinder, the helical blade is provided with a first helical section and a second helical section, the first helical section is arranged on the outer wall of the first cylinder, and the second helical section is formed on the outer wall of the second cylinder; the central cylinder body is also provided with a conical transition section which is connected with the first cylinder body and the second cylinder body, the small end of the conical transition section is connected with the outer wall of the first cylinder body, and the large end of the conical transition section is connected with the outer wall of the large end of the second cylinder body.
2. A disturbance reducing spiral delivery sleeve as claimed in claim 1, wherein the pitch of said second spiral section increases from the large end to the small end of the second cylindrical body.
3. The disturbance-reducing spiral delivery sleeve of claim 1, wherein a feed pipe is connected to the first barrel, and at least one liquid passing hole is formed in an outer wall of the first barrel to communicate the inside and outside of the first barrel.
4. A disturbance reducing spiral delivery sleeve as claimed in claim 1, wherein said first and second spiral sections of said spiral blade are connected, and a portion of said spiral blade is disposed on the outer wall of said tapered transition section.
5. A horizontal centrifuge, comprising a frame, an outer rotating drum and a spiral conveying sleeve as claimed in any one of claims 1 to 4, wherein both ends of the outer rotating drum are respectively provided with a first discharge port and a second discharge port; the outer rotating drum is rotatably connected to the rack, and the spiral conveying sleeve is rotatably arranged in the outer rotating drum.
6. The horizontal centrifuge as claimed in claim 5, wherein the outer wall of the second cylinder is spaced apart from the inner wall of the outer drum at the same distance.
7. The horizontal centrifuge as claimed in claim 6, wherein the distance between the outer wall of the second cylinder and the inner wall of the outer rotating drum is 2-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122090952.5U CN215465218U (en) | 2021-09-01 | 2021-09-01 | Spiral conveying sleeve capable of reducing disturbance and horizontal centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122090952.5U CN215465218U (en) | 2021-09-01 | 2021-09-01 | Spiral conveying sleeve capable of reducing disturbance and horizontal centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215465218U true CN215465218U (en) | 2022-01-11 |
Family
ID=79766767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122090952.5U Active CN215465218U (en) | 2021-09-01 | 2021-09-01 | Spiral conveying sleeve capable of reducing disturbance and horizontal centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215465218U (en) |
-
2021
- 2021-09-01 CN CN202122090952.5U patent/CN215465218U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106824559B (en) | Double-end reverse spiral material-pushing horizontal centrifuge | |
| CN107755101B (en) | Horizontal spiral sedimentation concentration centrifuge | |
| CN106672465B (en) | A kind of Horizontal stirring raw material stock bin and its application method | |
| CN213376149U (en) | Air flow conveying device for feeding of coating mixing tank | |
| CN107583770B (en) | Bag pulling device, control method thereof and bag turning centrifugal machine using bag pulling device | |
| CN215465218U (en) | Spiral conveying sleeve capable of reducing disturbance and horizontal centrifuge | |
| CN215465219U (en) | Horizontal centrifuge convenient to control ejection of compact speed | |
| CN101722114A (en) | Screw unloading settling centrifuge with liquid-pool surface steering gear | |
| US5792039A (en) | Decanter centrifuge for separating feed suspension into fractions and method for operating same | |
| CN210700650U (en) | High-speed liquid-solid three-phase centrifuge for extracting porcine heparin sodium | |
| CN206286069U (en) | A kind of horizontal type screw settling centrifuge | |
| CN103447167A (en) | Cloth accelerator for horizontal scroll discharge sedimentary centrifuge | |
| CN217190219U (en) | Concentration device for piston pusher centrifuge | |
| CN206519259U (en) | A kind of both-end reverse acting spiral pusher horizontal centrifuge | |
| CN214382765U (en) | Screw conveyer with auxiliary blades and spiral discharging sedimentation centrifuge | |
| CN109248746A (en) | A kind of two-axis, centrifugal separation grinder | |
| CN209829282U (en) | Front spiral flow guiding device for resisting cavitation of horizontal screw centrifuge | |
| CN210815749U (en) | Horizontal spiral discharging sedimentation centrifuge with spiral circulating body | |
| CN206230706U (en) | A kind of plastic pellet post blend feed bin | |
| CN2649183Y (en) | Concentrating dehydration apparatus with damping baffle | |
| CN219634255U (en) | Plastic particle sorting machine | |
| CN221693965U (en) | Horizontal spiral sedimentation centrifuge for food detection | |
| CN1597131A (en) | Clear liquid disturbanceless spiral discharging settling centrifugal machine | |
| CN203408797U (en) | Distributing accelerator for horizontal spiral unloading sedimentation centrifuge | |
| CN216785088U (en) | Powder anti-accumulation feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |