CN110773330B - Horizontal spiral discharging sedimentation centrifuge with pressing baffle structure - Google Patents
Horizontal spiral discharging sedimentation centrifuge with pressing baffle structure Download PDFInfo
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- CN110773330B CN110773330B CN201911174743.XA CN201911174743A CN110773330B CN 110773330 B CN110773330 B CN 110773330B CN 201911174743 A CN201911174743 A CN 201911174743A CN 110773330 B CN110773330 B CN 110773330B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B2001/2041—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl with baffles, plates, vanes or discs attached to the conveying screw
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Abstract
The invention provides a horizontal spiral discharging sedimentation centrifuge with a pressing baffle structure, which comprises a machine barrel, wherein a spiral main shaft is arranged in the machine barrel, the machine barrel consists of a straight barrel and a conical barrel, the spiral main shaft consists of a straight section shaft and a conical section shaft, the joint of the straight section shaft and the conical section shaft is arranged in the straight barrel, a connecting ring plate is welded on the conical section shaft, a splayed sleeve is connected at the connecting ring plate and consists of a first conical sleeve and a second conical sleeve, one end of the first conical sleeve is welded with the connecting ring plate, the other end of the first conical sleeve is welded with the conical section shaft, one end of the second conical sleeve is welded with the connecting ring plate, the other end of the second conical sleeve is welded with the straight section shaft, spiral blades are welded on the splayed sleeve and the straight section shaft, a spiral channel is formed between the machine barrel and the spiral main shaft, and the pressing baffle is also welded at the joint of the first conical sleeve and the second conical sleeve. The invention improves the slag discharging capacity of the centrifugal machine and prolongs the cleaning period of the plugging material.
Description
Technical Field
The invention belongs to the technical field of centrifuges, and particularly relates to a horizontal spiral discharging sedimentation centrifuge with a pressing baffle structure.
Background
For materials with soft compressibility in solid phase, a general horizontal spiral discharge sedimentation centrifuge adopts a large cone angle (15-20 degrees) and a pressing baffle structure, the centrifuge adopts a single vertical pressing baffle to separate separating liquid and separating slag on two sides, the pressing baffle adopts a single Zhang Huanban to be welded in the middle of a spiral channel to separate the spiral channel, and the pressing baffle plays roles of pressing solids and isolating liquid and is matched with the large cone angle structure, so that the effective volume of the centrifuge can be greatly increased, namely the processing capacity of the centrifuge is improved. However, dead angles exist among the pressing baffle, the spiral blades and the spiral shafts, so that a large amount of solid accumulated materials can be stored in the dead angles in the working process of the centrifugal machine, and the solid accumulated materials are difficult to thoroughly clean in the cleaning process of the centrifugal machine. When the distribution of accumulated materials is uneven, the dynamic balance of the centrifugal machine can be destroyed, so that the vibration of the centrifugal machine is increased in the running process, and meanwhile, the phenomenon of odor and deterioration can be generated when some food materials are accumulated for a long time. Therefore, there is an urgent need for a horizontal screw discharge decanter centrifuge that can solve the existing problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the horizontal spiral discharging sedimentation centrifuge with the pressing baffle structure, which has the advantages of improving the deslagging capacity and prolonging the cleaning period of the blocking materials.
The invention provides the following technical scheme:
The utility model provides a horizontal spiral sedimentation centrifuge of unloading of pressing baffle structure, includes the barrel, be equipped with the spiral main shaft in the barrel, the barrel comprises straight section axle and toper section axle, the spiral main shaft comprises straight section axle and toper section axle, straight section axle with the junction of toper section axle is located in the straight section, just the epaxial welded connection of toper section has the link ring plate, link ring plate department is connected with the splayed sleeve pipe, the splayed sleeve pipe comprises first toper sleeve pipe and second toper sleeve pipe, the one end of first toper sleeve pipe with link ring plate welded connection, the other end with toper section axle welded connection, the one end of second toper sleeve pipe with link ring plate welded connection, the other end with straight section axle welded connection, the splayed sleeve pipe with the epaxial welding of straight section has helical blade, the barrel with form the helical channel between the spiral main shaft, be close to link ring plate department the outer wall of second toper sleeve pipe still welded connection has the pressing baffle.
Preferably, the connecting ring plate is located on the inner side of the junction of the straight cylinder and the conical cylinder.
Preferably, the helical blade on the first conical sleeve is provided with a balance plate, and the helical blade on the left half part of the straight section shaft close to the first conical sleeve is also provided with a balance plate.
Preferably, the pressing baffle is in closed connection with the helical blade, the height of the pressing baffle is smaller than that of the helical blade, and an annular gap for allowing solid slag to pass through is formed between the pressing baffle and the machine barrel.
The beneficial effects of the invention are as follows:
According to the invention, the splayed sleeve is welded at the junction of the straight section shaft and the cone section shaft of the spiral main shaft, and the outer wall of the second cone-shaped sleeve of the splayed sleeve is welded with the pressing baffle plate, so that a novel pressing baffle plate structure is formed, the splayed sleeve enables the spiral channel to uniformly and slowly transition from large to small and then from small to large, the transition is more uniform, the splayed sleeve simultaneously changes the feeding direction of the centrifugal machine, so that mother liquor backflow cannot leak into the splayed sleeve, the splayed conicity at two sides of the splayed sleeve is also beneficial to reducing dead angles between the spiral blades and the pressing baffle plate, and meanwhile, the rigidity of the pressing baffle plate on solid slag pressing is greatly enhanced; the invention improves the slag discharging capacity of the centrifugal machine and prolongs the cleaning period of the plugging material.
Drawings
The accompanying drawings are included to provide a further understanding and explanation of the invention.
Fig. 1 is a schematic structural view of the present invention.
Marked in the figure as: 1. a barrel; 11. a straight cylinder; 12. a conical cylinder; 2. a spiral main shaft; 21. a straight section shaft; 22. a cone section shaft; 3. a spiral channel; 4. connecting the annular plates; 5. splayed sleeve; 51. a first tapered sleeve; 52. a second tapered sleeve; 6. a pressing baffle; 7. a balance plate; 8. helical blades.
Detailed Description
As shown in fig. 1, a horizontal spiral discharging decanter centrifuge with a pressing baffle structure comprises a machine barrel 1, wherein a spiral main shaft 2 is arranged in the machine barrel 1, the machine barrel 1 consists of a straight barrel 11 and a conical barrel 12, the spiral main shaft 2 consists of a straight barrel 11 and a conical barrel 22, the joint of the straight barrel 21 and the conical barrel 22 is arranged in the straight barrel 11, a connecting ring plate 4 is welded and connected to the conical barrel 22, the connecting ring plate 4 is positioned at the inner side of the joint of the straight barrel 11 and the conical barrel 12, a splayed sleeve 5 is connected to the connecting ring plate 4, the splayed sleeve 5 consists of a first conical sleeve 51 and a second conical sleeve 52, one end of the first conical sleeve 51 is welded and connected with the connecting ring plate 4, the other end of the first conical sleeve 51 is welded and connected with the conical barrel 22, and one end of the second conical sleeve 52 is welded and connected with the connecting ring plate 4, and the other end of the second conical sleeve 52 is welded and connected with the straight barrel 21.
Helical blades 8 are welded on the splayed sleeve 5 and the straight section shaft 21, a helical channel 3 is formed between the machine barrel 1 and the helical main shaft 2, a balance plate 7 is arranged on the helical blades 8 on the first conical sleeve 51, and a balance plate 7 is also arranged on the helical blades 8 on the left half part of the straight section shaft 21 close to the first conical sleeve 51. The outer wall of the second conical sleeve 52 close to the connecting annular plate 4 is also welded with a pressing baffle 6, the pressing baffle 6 is in closed connection with the spiral blade 8, the height of the pressing baffle 6 is smaller than that of the spiral blade 8, and an annular gap for allowing solid slag to pass is formed between the pressing baffle 6 and the machine barrel 1.
The use process of the embodiment is as follows: when the centrifugal machine runs at a high speed, the solids and the liquid are rapidly layered, the solids are tightly attached to the inside of the rotary drum, the liquid is far away from the rotary drum, the liquid overflows out of the centrifugal machine through an overflow port at the large end of the rotary drum, the solids are pushed to a gap port of the splayed sleeve 5 through the helical blade 8 and slowly extruded to the pressing baffle 6, the pressing baffle 6 plays roles in separating the liquids and re-pressing the solids which have passed through the gap of the pressing baffle 6, and the solids passing through the gap of the pressing baffle 6 are discharged out of the rotary drum in a climbing way under the combined action of the thrust of the helix and the pressure of the liquid measured by the pressing baffle 6.
In the embodiment, the splayed sleeve 5 is welded at the joint of the straight section shaft 21 and the conical section shaft 22 of the spiral main shaft 2, the outer wall of the second conical sleeve 52 of the splayed sleeve 5 is welded with the pressing baffle 6, so that a novel pressing baffle structure is formed, the splayed sleeve 5 enables the spiral channel 3 to uniformly and slowly transit from large to small and then from small to large, the transition is more uniform, the splayed sleeve 5 simultaneously changes the feeding direction of the centrifugal machine, mother liquor backflow cannot leak into the splayed sleeve 5, the splayed tapers at the two sides of the splayed sleeve 5 are also beneficial to reducing dead angles between the spiral blades 8 and the pressing baffle 6, and meanwhile, the rigidity of the pressing baffle 6 on solid slag pressing is greatly enhanced; the embodiment improves the deslagging capacity of the centrifugal machine and prolongs the cleaning period of the plugging material.
The foregoing is merely a preferred application of the present invention, and the present invention is not limited thereto, but it is obvious to those skilled in the art that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made thereto. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The horizontal spiral discharging decanter centrifuge with the pressing baffle structure is characterized by comprising a machine barrel, wherein a spiral main shaft is arranged in the machine barrel, the machine barrel consists of a straight barrel and a conical barrel, the spiral main shaft consists of a straight section shaft and a conical section shaft, the joint of the straight section shaft and the conical section shaft is arranged in the straight barrel, a connecting ring plate is welded and connected on the conical section shaft, a splayed sleeve is connected at the connecting ring plate and consists of a first conical sleeve and a second conical sleeve, one end of the first conical sleeve is welded and connected with the connecting ring plate, the other end of the first conical sleeve is welded and connected with the conical section shaft, one end of the second conical sleeve is welded and connected with the connecting ring plate, the other end of the second conical sleeve is welded and connected with the straight section shaft, spiral blades are welded on the splayed sleeve and the straight section shaft, a spiral channel is formed between the machine barrel and the spiral main shaft, and the outer wall of the second conical sleeve close to the connecting ring plate is also welded and connected with the pressing baffle;
the connecting ring plate is positioned on the inner side of the joint of the straight cylinder and the conical cylinder; and a balance plate is arranged on the helical blade on the first conical sleeve.
2.A horizontal screw discharge decanter centrifuge with a press baffle structure according to claim 1, wherein a balancing plate is also provided on the screw blade on the left half of the straight shaft near the first conical sleeve.
3. The horizontal spiral discharge decanter centrifuge of claim 1 wherein the press baffle is in close connection with the helical blade and the press baffle has a height less than the height of the helical blade, an annular gap being formed between the press baffle and the barrel for the passage of solid slag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174743.XA CN110773330B (en) | 2019-11-26 | 2019-11-26 | Horizontal spiral discharging sedimentation centrifuge with pressing baffle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174743.XA CN110773330B (en) | 2019-11-26 | 2019-11-26 | Horizontal spiral discharging sedimentation centrifuge with pressing baffle structure |
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| Publication Number | Publication Date |
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| CN110773330A CN110773330A (en) | 2020-02-11 |
| CN110773330B true CN110773330B (en) | 2024-10-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020129481B8 (en) * | 2020-11-09 | 2023-12-07 | Flottweg Se | Screw hub, centrifuge screw and solid bowl screw centrifuge |
| CN112742613B (en) * | 2020-12-16 | 2021-09-17 | 安徽天祥药业有限公司 | Horizontal spiral sedimentation centrifuge |
Citations (1)
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| CN211359214U (en) * | 2019-11-26 | 2020-08-28 | 巨能机械(中国)有限公司 | Horizontal spiral discharging sedimentation centrifuge with squeezing baffle structure |
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| DE2813140A1 (en) * | 1978-03-25 | 1979-10-25 | Kloeckner Humboldt Deutz Ag | FULL CASE SCREW CENTRIFUGE |
| DE19952804C2 (en) * | 1999-11-02 | 2003-07-03 | Westfalia Separator Ind Gmbh | Solid bowl screw centrifuge for processing a centrifugal material that tends to foam |
| JP2002126579A (en) * | 2000-10-27 | 2002-05-08 | Ishitake:Kk | Apparatus for solid-liquid separation and dewatering |
| DE10121434B4 (en) * | 2001-05-03 | 2004-08-12 | Westfalia Separator Ag | Solid bowl centrifuge |
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| CN211359214U (en) * | 2019-11-26 | 2020-08-28 | 巨能机械(中国)有限公司 | Horizontal spiral discharging sedimentation centrifuge with squeezing baffle structure |
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