CN102179318B - Blowing structure for unloading device of vertical centrifuge - Google Patents
Blowing structure for unloading device of vertical centrifuge Download PDFInfo
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- CN102179318B CN102179318B CN 201010617090 CN201010617090A CN102179318B CN 102179318 B CN102179318 B CN 102179318B CN 201010617090 CN201010617090 CN 201010617090 CN 201010617090 A CN201010617090 A CN 201010617090A CN 102179318 B CN102179318 B CN 102179318B
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Abstract
The invention relates to a blowing structure for an unloading device of a vertical centrifuge, and the blowing structure comprises a vertical scraper shaft and a scraper assembly connected to the lower end of the vertical scraper shaft, wherein the scraper assembly comprises a scrapping plate; a first air channel is arranged in the vertical scraper shaft; the scraper assembly is provided with a second air channel; the lower side of the first air channel is in sealing communication with the air inlet of the second air channel; and the air outlet of the second air channel is close to the working end of the scrapping plate. The first and second air channels which are in sealing communication are arranged and the air outlet of the second air channel is close to the working end of the scrapping plate, so when the unloading device is used for unloading the materials attached on a filter screen, the scrapping plate slowly cuts the materials from up to down along the rotation direction of a rotary drum, and meanwhile, the compressed air blows the material residues reserved on the filter screen through the air outlet of the second air channel, and the then material residues can vibrate under the action of the blown air and completely drop off from the filter screen, thereby achieving the purposes of recovering the materials and dredging the filter screen. The blowing structure has the advantages of removing the material residues reserved on the filter screen and dredging the filter screen.
Description
Technical field
The present invention relates to the Centrifuge Techniques field, especially relate to a kind of blowing structure for unloading device of vertical centrifuge, to remove the material residue on the vertical centrifugal machine filter screen.
Background technology
Centrifuge is of many uses, mainly for separating of with the liquid that dries in material.
The structure of existing vertical centrifugal machine is: base is provided with casing, be mounted with rotary drum in casing, discharge opening is arranged at the bottom of rotary drum, the top of casing is provided with cover, cover is provided with feed arrangement and device for discharging, have some through holes on the sidewall of rotary drum, the inwall of rotary drum is provided with filter screen, and rotary drum is driven by drive unit.
Device for discharging comprises vertical blade shaft, scraper assembly, two vertical cylinders, pneumatic actuator, gear-boxes and linkage board, thrust plate, the support tube assembly arranged successively from top to bottom.
Gear-box flatly is arranged on cover, and pneumatic actuator is arranged on gear-box and joins with the power input shaft of gear-box, and the axis body that power input shaft is in gear-box is provided with the fan-shaped gear.Blade shaft is arranged in the support tube assembly, have perforation corresponding to fan-shaped gear place on the support tube assembly, the axis body that blade shaft is in the support tube assembly is provided with the driven gear that can be meshed with the fan-shaped gear, the fan-shaped gear is through perforation and driven gear engagement, and two cylinders are arranged on cover and the symmetrical both sides that are positioned at support tube assembly and gear-box vertically.
Thrust plate is four fold plate and the upper end that is arranged on the support tube assembly by its stage casing, and the two ends of thrust plate are connected with the cylinder body upper end of two cylinders respectively, to form stable tower structure.The two ends of linkage board are connected with the piston rod upper end of two cylinders respectively, and the stage casing of linkage board is connected with the upper end of blade shaft, and the lower end of blade shaft puts in rotary drum and is connected with scraper assembly in being placed in rotary drum.The scraper assembly comprises material scraping plate, and there are chamfering and close filter screen in the working end of material scraping plate.
As seen, blade shaft is connected with pneumatic actuator, two cylinders.By two cylinders, make vertically mobile and close filter screen of blade shaft, material scraping plate, then by pneumatic actuator, make blade shaft, material scraping plate jointly rotate to an angle, like this, blade shaft can obtain respectively moving axially and drive and the driving that rotates in a circumferential direction.
During work, transport material in rotary drum by feed arrangement, the rotary drum of High Rotation Speed throws away rotary drum with the liquid in material, reaches the purpose of solid-liquid centrifugation, and the later material of fluid separation applications is attached on filter screen.When adopting the device for discharging removal to be attached to material on filter screen, material scraping plate is slowly cut material against the direction of rotation of rotary drum from top to down, and the material that scrapes is discharged by the discharge opening of bottom of the drum, reaches the discharging purpose.
There is following defective in above-mentioned device for discharging:
1, owing to there being the gap of 3-5 millimeter between material scraping plate and filter screen, again due to the viscosity of material, thereby after the each discharging of material scraping plate is completed, the material residue (being commonly called as filter cake) that always leaves one deck 3-5 millimeters thick on filter screen can not be removed, this causes filter net jam, has reduced the solid-liquid separation effect of vertical centrifugal machine;
2, because material generally has certain viscosity, be difficult to form broken graininess, like this, the material that is scraped by material scraping plate easily is deposited in around discharge opening, and the working time one is long, and discharge opening is blocked and diminishes, the final discharge opening that stops up causes discharging to have some setbacks, when material scraping plate moved to the material place of piling up the bottom of the drum, material scraping plate stirred in material, easily causes the damage of blade shaft and material scraping plate.
At present, for removing remains in material residue on filter screen, the way that usually adopts water to rinse, but this can cause the waste of material again.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of blowing structure for unloading device of vertical centrifuge, and it can remove material residue, the dredging filter screen that remains on filter screen.
For solving the problems of the technologies described above, the invention provides a kind of blowing structure for unloading device of vertical centrifuge, it comprises vertical blade shaft, is connected on the scraper assembly of blade shaft lower end, the scraper assembly comprises material scraping plate, the first air flue is arranged in blade shaft, the second air flue is arranged on the scraper assembly, and the air inlet sealing of the downside of the first air flue and the second air flue is communicated with, and the gas outlet of the second air flue is near the working end of material scraping plate.
For can concise description for the purpose of problem, below to the blowing structure for unloading device of vertical centrifuge of the present invention all referred to as this blowing structure.
The upper end of the first air flue in this blowing structure is communicated with source of the gas (as air compressor).
Due to the first air flue and the second air flue that are provided with the sealing connection, the gas outlet of the second air flue is near the working end of material scraping plate, like this, when adopting the device for discharging removal to be attached to material on filter screen, material scraping plate is slowly cut material against the direction of rotation of rotary drum from top to down, meanwhile, Compressed Gas is jet to the material residue on filter screen by the gas outlet of the second air flue, the gas of ejection can make the material residue produce vibration, make the material residue that remains on filter screen all be shaken off, thereby reached the dual purpose of further recovered material, dredging filter screen.
Therefore, this blowing structure has advantages of and can remove the material residue that remains on filter screen, dredging filter screen.
Described the first air flue is made of axial vertical core and radial level hole, and vertical core connects blade shaft from top to bottom, and the lower end of vertical core is shaped with internal thread, and lateral aperture is positioned at the downside of blade shaft and communicates with vertical core;
The scraper assembly also comprises axle sleeve, end cap, connecting plate, sleeve sealing is enclosed within the lower end of blade shaft, and the lower end of axle sleeve exceeds the lower end of blade shaft, being coated with the end cap of screw and the lower end of axle sleeve reclines, screw screws in the lower end of vertical core, and the lower end of screw and vertical core is sealed and matched, so that axle sleeve obtains the lower end of axial location, vertical core and is sealed, one side of connecting plate and the outer wall of axle sleeve are affixed, and the axis of axle sleeve is in the elongated surfaces of connecting plate thickness direction median plane, on the opposite side of connecting plate and material scraping plate away from the other end vertical connection of its working end;
The second air flue comprises the first hole, the second hole, the 3rd hole, the tracheae that is communicated with successively, wherein: the second hole is opened in connecting plate and is connected its length direction, so that the both-side opening in the second hole is adjacent with axle sleeve, material scraping plate respectively, it is nearby adjacent with the position of the corresponding side opening in the second hole that open on axle sleeve in the first hole, and the first hole is corresponding with lateral aperture to communicate, it is nearby adjacent with the position of the corresponding opposite side opening in the second hole that open on material scraping plate in the 3rd hole, one end and the 3rd hole of tracheae join, and the length of tracheae makes its other end near the working end of material scraping plate.
Like this, the first hole becomes the air inlet of the second air flue, and the other end of tracheae becomes the gas outlet of the second air flue.
When this blowing structure used, the upper end of vertical core was communicated with source of the gas, and the other end of tracheae can be positioned at by holding appliances such as ropes the place, working end of material scraping plate.
as improvement of the present invention, described the second air flue also comprises the allocation block that is communicated with the tracheae other end, allocation block is a square block, its by securing member post on material scraping plate away from that side of axle sleeve on and near the working end of material scraping plate, on allocation block near a side of material scraping plate working end uniform some nozzles from top to bottom, the distribution air flue is arranged in allocation block, distribute air flue to comprise the 4th hole of vertical connection, the 5th hole, the air inlet in the 4th hole is positioned on allocation block that side away from nozzle, and the air inlet in the 4th hole is communicated with the other end of tracheae, the trend in the 5th hole is consistent with the short transverse of allocation block, the 5th hole all is in allocation block near nozzle and its both ends open, each nozzle all is connected with the 5th hole.
Like this, by the air inlet in the 4th hole, make the other end of tracheae be positioned at the place, working end of material scraping plate, and some nozzles become the gas outlet of the second air flue.
When this blowing structure uses, can make gas from the diverse location ejection of material scraping plate working end, the distribution utilization of gas more evenly, has rationally further improved the effect of removing the material residue.
As a further improvement on the present invention, described scraper assembly also comprises striker plate, stiffener, stage casing and both angles that striker plate is installed in connecting plate are 80 degree, the working end of striker plate is in the inboard of the working end of material scraping plate, stiffener be in the opposite side of connecting plate and respectively with connecting plate, material scraping plate on affixed near that side of axle sleeve.
The setting of striker plate, the material that material scraping plate just can have been scraped off blocks, and described material is in time fallen and discharge from the discharge opening of bottom of the drum, prevents that described material is attached on filter screen again, further improves the removing effect of material residue on filter screen; The setting of stiffener, mechanical strength that can corresponding raising scraper assembly.
Description of drawings
Fig. 1 is that this blowing structure is arranged on the structural representation in existing unloading device of vertical centrifuge;
Fig. 2 is that the A of Fig. 1 is to zoomed-in view;
Fig. 3 is the B-B amplification view of Fig. 1;
Fig. 4 is that the C of Fig. 3 is to view;
Fig. 5 is the enlarged front view of allocation block in this blowing structure;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the D-D cutaway view of Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are specifically described:
Referring to Fig. 1-Fig. 7: this blowing structure comprises vertical blade shaft 1, is connected on the scraper assembly of blade shaft 1 lower end.
The first air flue is arranged in blade shaft 1, the first air flue is made of axial vertical core 1a and radial level hole 1c, vertical core 1a connects blade shaft 1 from top to bottom, the upper end of vertical core 1a is the air inlet of the first air flue and valve 1b is installed, the lower end of vertical core 1a is shaped with internal thread, lateral aperture 1c is positioned at the downside of blade shaft 1 and communicates with vertical core 1a, and lateral aperture 1c is the gas outlet of the first air flue.
The scraper assembly comprises axle sleeve 2, end cap 3, connecting plate 4, material scraping plate 5, striker plate 6, stiffener 7.axle sleeve 2 passes through flat key, four O-ring seals sealing shrouds are at the lower end of blade shaft 1 (not shown described flat key in accompanying drawing, the piece number of O-ring seals), and the lower end of axle sleeve 2 exceeds the lower end of blade shaft 1, being coated with the end cap 3 of screw 3a and the lower end of axle sleeve 2 reclines, screw 3a screws in the lower end of vertical core 1a, and screw 3a is by the lower end of two O-ring seals and vertical core 1a be sealed and matched (piece number of not shown described O-ring seals in accompanying drawing), so that axle sleeve 2 obtains axial location, the lower end of vertical core 1a is sealed, one side of connecting plate 4 and the outer wall of axle sleeve 2 are affixed, and the axis of axle sleeve 2 is in the elongated surfaces of connecting plate 4 thickness direction median planes, on the opposite side of connecting plate 4 and material scraping plate 5 away from the other end vertical connection of its working end 5a.Striker plate 6 is installed in the stage casing of connecting plate 4 and both angles are 80 degree, and the working end 6a of striker plate 6 is in the inboard of the working end 5a of material scraping plate 5, stiffener 7 be in the another side of connecting plate 4 and respectively with connecting plate 4, material scraping plate 5 on affixed near that side of axle sleeve 2.
The second air flue is arranged on the scraper assembly, and the second air flue comprises the first hole 2a, the second hole 4a, the 3rd hole 5b, tracheae 8 and the allocation block 9 that is communicated with successively.wherein: the second hole 4a opens in connecting plate 4 and connects its length direction, so that the both-side opening of the second hole 4a respectively with axle sleeve 2, material scraping plate 5 is adjacent, it is nearby adjacent with the position of the corresponding side opening of the second hole 4a that the first hole 2a opens on axle sleeve 2, and the first hole 2a air inlet of communicating and becoming second air flue corresponding to lateral aperture 1c, like this, the air inlet sealing of the downside of the first air flue and the second air flue is communicated with, it is nearby adjacent with the position of the corresponding opposite side opening of the second hole 4a that the 3rd hole 5b opens on material scraping plate 5, one end of tracheae 8 and the 3rd hole 5b join, the length of tracheae 8 makes its other end near the working end 5a of material scraping plate 5.
Of particular note, device for discharging shown in Fig. 1, Fig. 2 comprises two vertical cylinder E, pneumatic actuator F, linkage board G, thrust plate H, support tube assembly J, gear-box K, their self structure, mutual connected mode and and the connected mode of 1 of blade shaft be the prior art part, repeat no more here.
Above-described is only one embodiment of the present invention.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the principle of the invention, can also make apparent some conversion or substitute and remodeling, these also should be considered as belonging to protection scope of the present invention.
Claims (2)
1. the blowing structure that is used for unloading device of vertical centrifuge comprises vertical blade shaft, is connected on the scraper assembly of blade shaft lower end;
The first air flue is arranged in blade shaft, and the first air flue is made of axial vertical core and radial level hole, and vertical core connects blade shaft from top to bottom, and the lower end of vertical core is shaped with internal thread, and lateral aperture is positioned at the downside of blade shaft and communicates with vertical core;
The scraper assembly comprises axle sleeve, end cap, connecting plate, material scraping plate, be enclosed within the lower end of blade shaft sleeve sealing, and the lower end of axle sleeve exceeds the lower end of blade shaft, being coated with the end cap of screw and the lower end of axle sleeve reclines, screw screws in the lower end of vertical core, and the lower end of screw and vertical core is sealed and matched, so that axle sleeve obtains the lower end of axial location, vertical core and is sealed, one side of connecting plate and the outer wall of axle sleeve are affixed, and the axis of axle sleeve is in the elongated surfaces of connecting plate thickness direction median plane, on the opposite side of connecting plate and material scraping plate away from the other end vertical connection of its working end;
the second air flue is arranged on the scraper assembly, the second air flue comprises the first hole that is communicated with successively, the second hole, the 3rd hole, tracheae, wherein: the second hole is opened in connecting plate and is connected its length direction, so that the both-side opening in the second hole respectively with axle sleeve, material scraping plate is adjacent, it is nearby adjacent with the position of the corresponding side opening in the second hole that open on axle sleeve in the first hole, and the first hole is corresponding with lateral aperture to communicate, it is nearby adjacent with the position of the corresponding opposite side opening in the second hole that open on material scraping plate in the 3rd hole, one end and the 3rd hole of tracheae join, the length of tracheae makes its other end near the working end of material scraping plate,
The air inlet sealing of the downside of the first air flue and the second air flue is communicated with, and the gas outlet of the second air flue is near the working end of material scraping plate;
It is characterized in that:
the second air flue also comprises the allocation block that is communicated with the tracheae other end, allocation block is a square block, its by securing member post on material scraping plate away from that side of axle sleeve on and near the working end of material scraping plate, on allocation block near a side of material scraping plate working end uniform some nozzles from top to bottom, the distribution air flue is arranged in allocation block, distribute air flue to comprise the 4th hole of vertical connection, the 5th hole, the air inlet in the 4th hole is positioned on allocation block that side away from nozzle, and the air inlet in the 4th hole is communicated with the other end of tracheae, the trend in the 5th hole is consistent with the short transverse of allocation block, the 5th hole all is in allocation block near nozzle and its both ends open, each nozzle all is connected with the 5th hole.
2. the blowing structure for unloading device of vertical centrifuge according to claim 1 is characterized in that:
The scraper assembly also comprises striker plate, stiffener, stage casing and both angles that striker plate is installed in connecting plate are 80 degree, the working end of striker plate is in the inboard of the working end of material scraping plate, stiffener be in the opposite side of connecting plate and respectively with connecting plate, material scraping plate on affixed near that side of axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010617090 CN102179318B (en) | 2010-12-29 | 2010-12-29 | Blowing structure for unloading device of vertical centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010617090 CN102179318B (en) | 2010-12-29 | 2010-12-29 | Blowing structure for unloading device of vertical centrifuge |
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| Publication Number | Publication Date |
|---|---|
| CN102179318A CN102179318A (en) | 2011-09-14 |
| CN102179318B true CN102179318B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010617090 Active CN102179318B (en) | 2010-12-29 | 2010-12-29 | Blowing structure for unloading device of vertical centrifuge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381888A (en) * | 2015-12-04 | 2016-03-09 | 广西农垦糖业集团柳兴制糖有限公司 | Air knife device of centrifugal machine in sugar industry |
| CN112517257A (en) * | 2020-10-20 | 2021-03-19 | 廊坊市泽田依诺机械设备有限公司 | Deoiling machine cleaning device |
| CN112718270A (en) * | 2020-12-09 | 2021-04-30 | 徐时良 | Cleaning device of centrifugal dehydrator for garbage disposal |
| CN114832476B (en) * | 2022-03-16 | 2023-05-23 | 合肥通用机械研究院有限公司 | Residual filter cake removing equipment and system with air blowing effect |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652254A (en) * | 1985-02-01 | 1987-03-24 | Matsumoto Machine Mfg., Co., Ltd. | Centrifugal separator |
| CN2323876Y (en) * | 1997-10-08 | 1999-06-16 | 黄晓军 | High-speed vertical scraper base discharge sedimentation centrifuge |
| CN101168143A (en) * | 2007-12-04 | 2008-04-30 | 江苏赛德力制药机械制造有限公司 | Full automatic scraper discharging centrifugal machine with gas nozzle application design |
| CN201510946U (en) * | 2009-05-12 | 2010-06-23 | 刘健 | Air blast auxiliary discharging device for centrifugal machine in sugar industry |
| CN202061724U (en) * | 2010-12-29 | 2011-12-07 | 安徽普源分离机械制造有限公司 | Gas blowing structure for vertical centrifuge discharging device |
-
2010
- 2010-12-29 CN CN 201010617090 patent/CN102179318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652254A (en) * | 1985-02-01 | 1987-03-24 | Matsumoto Machine Mfg., Co., Ltd. | Centrifugal separator |
| CN2323876Y (en) * | 1997-10-08 | 1999-06-16 | 黄晓军 | High-speed vertical scraper base discharge sedimentation centrifuge |
| CN101168143A (en) * | 2007-12-04 | 2008-04-30 | 江苏赛德力制药机械制造有限公司 | Full automatic scraper discharging centrifugal machine with gas nozzle application design |
| CN201510946U (en) * | 2009-05-12 | 2010-06-23 | 刘健 | Air blast auxiliary discharging device for centrifugal machine in sugar industry |
| CN202061724U (en) * | 2010-12-29 | 2011-12-07 | 安徽普源分离机械制造有限公司 | Gas blowing structure for vertical centrifuge discharging device |
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| CN102179318A (en) | 2011-09-14 |
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