CN109046798B - Shaft sealing structure of horizontal spiral screen centrifuge - Google Patents
Shaft sealing structure of horizontal spiral screen centrifuge Download PDFInfo
- Publication number
- CN109046798B CN109046798B CN201811217072.6A CN201811217072A CN109046798B CN 109046798 B CN109046798 B CN 109046798B CN 201811217072 A CN201811217072 A CN 201811217072A CN 109046798 B CN109046798 B CN 109046798B
- Authority
- CN
- China
- Prior art keywords
- fixed
- rotary drum
- bearing
- shaft
- sleeved
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 9
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 235000019270 ammonium chloride Nutrition 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000002425 crystallisation Methods 0.000 abstract description 2
- 230000008025 crystallization Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
Landscapes
- Centrifugal Separators (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model provides a horizontal spiral screen centrifuge's shaft seal structure, has solved when handling like volatile strong, corrosivity such as ammonium chloride, and easy crystallization's material, and the main shaft is easily corroded because exposing outside, and main shaft and bearing gland clearance are filled with the crystalline solid, lead to the too big even card of equipment load to die, perhaps corrosive gas gets into the bearing cavity and leads to the bearing to damage, the problem that equipment life-span reduces, and it includes differential mechanism screw shaft, the top of differential mechanism screw shaft cup joints and is fixed with the rotary drum cover, and the rotary drum cover is fixed at the spiral of differential mechanism screw shaft top through connecing soon and cap. The invention has novel structure, ingenious conception and convenient use, the sealing structure completely protects the main shaft, the main shaft can not be corroded by corrosive gas, the possibility that gas liquid enters the bearing position is reduced, the service life of the whole machine is greatly prolonged, and the invention is especially suitable for the production process of volatile corrosive chemical products.
Description
Technical Field
The invention relates to the technical field of sealing structures, in particular to a shaft sealing structure of a horizontal spiral screen centrifuge.
Background
The spiral discharging filter centrifuge is an automatic and continuous filter centrifuge developed in recent 20 years in China. The general form of the rotary drum is similar to that of a centrifugal discharge centrifuge, and is a conical rotary drum, the half cone angle of the rotary drum of the centrifuge is irrelevant to the separated materials, and is generally 10 degrees, 20 degrees or 0 degrees, and the 0 degrees are cylindrical rotary drums. The filter cake is continuously conveyed out of the rotary drum through the conveying screw instead of being moved from the small end of the rotary drum to the large end of the rotary drum by means of centrifugal force component force applied to the filter cake.
At present, the method is simpler and has good effect on most materials, but when materials with strong volatility and corrosiveness like ammonium chloride and easy crystallization are treated, the main shaft is easy to corrode due to exposure, and the gap between the main shaft and the bearing gland is filled with crystals, so that the equipment is excessively loaded and even blocked. Or corrosive gas enters the bearing cavity to damage the bearing, so that the service life of the equipment is reduced. Therefore, it is necessary to design a shaft seal structure for a horizontal screw screen centrifuge.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the shaft sealing structure of the horizontal spiral screen centrifuge, which effectively solves the problems that when materials such as ammonium chloride and the like are treated, which are high in volatility, high in corrosiveness and easy to crystallize, a main shaft is easy to corrode due to exposure to the outside, and gaps between the main shaft and a bearing gland are filled with crystals, so that the load of equipment is overlarge and even the equipment is blocked, or corrosive gas enters a bearing cavity to damage the bearing, and the service life of the equipment is shortened.
In order to achieve the above purpose, the present invention provides the following technical solutions: the invention comprises a differential mechanism screw shaft, wherein a rotary drum sleeve is sleeved and fixed at the top of the differential mechanism screw shaft, the rotary drum sleeve is fixed at a screw cap at the top of the differential mechanism screw shaft through rotary connection, a first sealing ring is sleeved and fixed at the joint of the rotary drum sleeve and the screw cap, a rotary drum is sleeved and fixed at the outer side of the rotary drum sleeve, one end of a material conveying screw is fixed at the inner side of the rotary drum through a bolt, a feeding pipe is embedded and installed at the center of one side of the material conveying screw, an oil lip sealing mechanism is sleeved and fixed on the differential mechanism screw shaft, a differential mechanism rotary drum shaft is sleeved and fixed at one side of the oil lip sealing mechanism, a first bearing is sleeved and fixed at the outer side of the differential mechanism rotary drum shaft, a bearing seat is sleeved and fixed at the outer side of the first bearing, a bearing cover is fixed at one side of the bearing seat through a bolt, a rotary drum bottom is installed between the bearing cover and the rotary drum, a liquid blocking ring is sleeved and fixed at the bottom of the differential mechanism rotary drum through a bolt, a second sealing ring is sleeved and fixed between one end of the bottom of the rotary drum and the rotary drum sleeve, and a labyrinth sealing piece rotating with the differential mechanism screw shaft is installed between the rotary drum bottom and the first bearing.
According to the technical scheme, the oil lip sealing mechanism comprises a framework, an elastic supporting piece, a positioning block, a corrugated oil lip seal, a second bearing, a sliding block, a sliding rail and a third sealing ring, wherein the second bearing is sleeved and fixed on the inner wall of the framework, the third sealing ring is sleeved and fixed on one side of the second bearing, a differential mechanism screw shaft is clamped and fixed at the center of the second bearing and the center of the third sealing ring, the sliding rail is symmetrically embedded and installed on the inner wall of the framework, the sliding block is connected with the sliding rail in a sliding manner, the sliding block is embedded and installed on one side of the positioning block, the top of the positioning block is connected with the inner wall of the framework through the elastic supporting piece, the corrugated oil lip seal is fixedly bonded at the bottom of the positioning block, and the corrugated oil lip seal is connected with the differential mechanism screw shaft in a sliding manner.
According to the technical scheme, elastic support spare includes sleeve pipe, first supporting spring, stopper, second supporting spring and telescopic link, and the sleeve pipe passes through the bolt fastening at the top inner wall of skeleton, and sheathed tube inside sliding connection has the stopper, and the top center department welded fastening of stopper has the telescopic link, and the top of telescopic link passes the sleeve pipe and fix the top at the locating piece, and the bottom of stopper passes through first supporting spring and sheathed tube bottom inner wall connection, cup joints on the telescopic link and is fixed with second supporting spring, and the second supporting spring is installed between the top of stopper and sheathed tube top inner wall.
According to the technical scheme, the first sealing ring and the second sealing ring are both fluorine rubber sealing rings.
According to the technical scheme, the bearing gland and the labyrinth seal are both corrosion-resistant stainless steel material components.
The invention has novel structure, ingenious conception and convenient use, the sealing structure completely protects the main shaft, the main shaft can not be corroded by corrosive gas, the possibility that gas liquid enters the bearing position is reduced, the service life of the whole machine is greatly prolonged, and the invention is especially suitable for the production process of volatile corrosive chemical products.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic overall sectional view of the present invention;
FIG. 2 is a schematic view of the oil lip seal mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of the resilient support of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to FIGS. 1-3.
In the first embodiment, as shown in fig. 1, the invention comprises a differential screw shaft 1, a rotary drum sleeve 6 is sleeved and fixed on the top of the differential screw shaft 1, the rotary drum sleeve 6 is fixed on a screw cap 3 fixed on the top of the differential screw shaft 1 through rotary joint, a first sealing ring 5 is sleeved and fixed at the joint of the rotary drum sleeve 6 and the screw cap 3, a rotary drum 8 is sleeved and fixed on the outer side of the rotary drum sleeve 6, one end of a material conveying screw 7 is fixed on the inner side of the rotary drum 8 through bolts, a feeding pipe 4 is embedded and installed at the center of one side of the material conveying screw 7, an oil lip sealing mechanism 15 is sleeved and fixed on the differential screw shaft 1, a differential rotary drum shaft 16 is sleeved and fixed on one side of the oil lip sealing mechanism 15, a first bearing 14 is sleeved and fixed on the outer side of the differential rotary drum shaft 16, a bearing seat 13 is sleeved and fixed on one side of the bearing seat 13 through bolts, a drum bottom 10 is arranged between the bearing gland 11 and the drum 8, a liquid blocking ring 9 is sleeved and fixed between the drum bottom 10 and the drum 8, the bottom of the drum bottom 10 is fixed on one side of a differential drum shaft 16 through bolts, a second sealing ring 2 is sleeved and fixed between one end of the bottom of the drum bottom 10 and the drum sleeve 6, a labyrinth seal 12 rotating with the differential screw shaft 1 is arranged between the drum bottom 10 and a first bearing 14, a labyrinth seal 12 rotating with the differential screw shaft 1 is additionally arranged between the drum bottom 10 and the first bearing 14 on the basis of the liquid blocking ring 9, the labyrinth seal 12 is made of corrosion-resistant stainless steel, a labyrinth is formed with the bearing gland 11, the bearing gland 11 is made of corrosion-resistant stainless steel, corrosive gas and liquid can be effectively prevented from entering a bearing box body, and the bearing box body is damaged, and further effectively prolongs the service life of the bearing box body.
In the second embodiment, based on the first embodiment, as shown in fig. 1 and fig. 2, the oil lip sealing mechanism 15 includes a skeleton 17, an elastic supporting member 18, a positioning block 19, a corrugated oil lip seal 20, a second bearing 21, a sliding block 22, a sliding rail 23 and a third sealing ring 24, the second bearing 21 is fixed on the inner wall of the skeleton 17 in a sleeved mode, the third sealing ring 24 is fixed on one side of the second bearing 21 in a sleeved mode, the differential screw shaft 1 is clamped and fixed at the center of the second bearing 21 and the third sealing ring 24, the sliding rail 23 is symmetrically embedded in the inner wall of the skeleton 17, the sliding block 22 is connected with the sliding block 22 in a sliding mode, the sliding block 22 is embedded in one side of the positioning block 19, the top of the positioning block 19 is connected with the inner wall of the skeleton 17 through the elastic supporting member 18, the bottom of the positioning block 19 is fixedly provided with the corrugated oil lip seal 20 in a sliding mode, the corrugated oil lip seal 20 is tightly sleeved on the differential screw shaft 1 through the arranged elastic supporting member 18, the use sealing performance of the corrugated oil lip seal 20 is effectively guaranteed, meanwhile, the corrugated oil lip 20 can effectively utilize the self-abrasion performance of the bearing to be greatly reduced, the self-abrasion performance of the bearing can be effectively prevented from being damaged, and the oil can be further prevented from being damaged by the rolling and the bearing can be further contact with the bearing, and the rolling medium can be prevented from being further contact with the rolling and the bearing.
In the third embodiment, based on the second embodiment, as shown in fig. 2 and fig. 3, the elastic support member 18 includes a sleeve 25, a first support spring 26, a limiting block 27, a second support spring 28 and a telescopic rod 29, the sleeve 25 is fixed on the top inner wall of the skeleton 17 through a bolt, the limiting block 27 is slidably connected in the sleeve 25, the telescopic rod 29 is welded and fixed at the center of the top of the limiting block 27, the top of the telescopic rod 29 passes through the sleeve 25 and is fixed on the top of the positioning block 19, the bottom of the limiting block 27 is connected with the bottom inner wall of the sleeve 25 through the first support spring 26, the telescopic rod 29 is sleeved and fixed with the second support spring 28, and the second support spring 28 is installed between the top of the limiting block 27 and the top inner wall of the sleeve 25, under the elastic action of the first support spring 26 and the second support spring 28, the corrugated oil lip seal 20 can be effectively and tightly sleeved on the differential screw shaft 1, and the sealing performance of the corrugated oil lip seal 20 can be effectively ensured.
In the fourth embodiment, on the basis of the first embodiment, the first sealing ring 5 and the second sealing ring 2 are both fluorine rubber sealing rings, and have good sealing performance.
In the fifth embodiment, based on the first embodiment, the bearing gland 11 and the labyrinth seal 12 are made of corrosion-resistant stainless steel materials, so that the service lives of the bearing gland 11 and the labyrinth seal 12 can be effectively prolonged.
When the invention is used, on the basis of the liquid blocking ring 9, the labyrinth seal 12 which rotates as the differential spiral shaft 1 is additionally arranged between the rotary drum bottom 10 and the first bearing 14, the labyrinth seal 12 is made of corrosion-resistant stainless steel, and forms a labyrinth with the bearing gland 11, meanwhile, the bearing gland 11 is made of corrosion-resistant stainless steel, so that corrosive gas and liquid can be effectively prevented from entering the bearing box body, the damage of the bearing box body is caused, the service life of the bearing box body is effectively prolonged, the corrugated oil lip seal 20 is tightly sleeved on the differential spiral shaft 1 through the elastic support piece 18, the use tightness of the corrugated oil lip seal 20 is effectively ensured, meanwhile, the corrugated oil lip seal 20 can effectively utilize an oily medium sealed by the corrugated oil lip seal to carry out self lubrication, the abrasion of the oil seal and the abrasion of the shaft to the bearing can be greatly reduced, the part of the lip part of the bearing gland is contacted with the bearing box body by the corrugated fluctuation, the oil can be effectively prevented from returning oil in the rotating motion, the oil leakage is effectively prevented, the strong oil return effect is caused, the bearing box is also can be effectively prevented from being damaged, and the bearing box is further damaged.
The invention has novel structure, ingenious conception and convenient use, the sealing structure completely protects the main shaft, the main shaft can not be corroded by corrosive gas, the possibility that gas liquid enters the bearing position is reduced, the service life of the whole machine is greatly prolonged, and the invention is especially suitable for the production process of volatile corrosive chemical products.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. 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 shaft sealing structure of the horizontal spiral screen centrifuge comprises a differential spiral shaft (1), and is characterized in that a rotary drum sleeve (6) is sleeved and fixed at the top of the differential spiral shaft (1), the rotary drum sleeve (6) is fixed on a spiral parallel cap (3) at the top of the differential spiral shaft (1) through rotary connection, a first sealing ring (5) is sleeved and fixed at the joint of the rotary drum sleeve (6) and the spiral parallel cap (3), a rotary drum (8) is sleeved and fixed at the outer side of the rotary drum sleeve (6), one end of a material conveying spiral (7) is fixed at the inner side of the rotary drum (8) through bolts, a feed pipe (4) is embedded and installed at the center of one side of the material conveying spiral (7), an oil lip sealing mechanism (15) is sleeved and fixed on the differential spiral shaft (1), a differential rotary drum shaft (16) is sleeved and fixed at one side of the oil lip sealing mechanism (15), a first bearing (14) is sleeved and fixed at the outer side of the differential rotary drum shaft (16), a bearing seat (13) is sleeved and fixed at the outer side of the rotary drum sleeve, one side of the bearing seat (13) is fixed with a bearing (11) through bolts, one side of the bearing seat (11) is fixed with a bearing (11), one side of the bearing (11) is sleeved and fixed between the rotary drum (8) and a rotary drum (10) and a rotary drum cover (10), the bottom of the rotary drum bottom (10) is fixed on one side of a differential mechanism rotary drum shaft (16) through bolts, a second sealing ring (2) is sleeved and fixed between one end of the bottom of the rotary drum bottom (10) and the rotary drum sleeve (6), and a labyrinth sealing piece (12) which rotates with the differential mechanism spiral shaft (1) is arranged between the rotary drum bottom (10) and the first bearing (14);
the oil lip sealing mechanism (15) comprises a framework (17), an elastic support piece (18), a positioning block (19), a corrugated oil lip seal (20), a second bearing (21), a sliding block (22), a sliding rail (23) and a third sealing ring (24), wherein the second bearing (21) is fixedly sleeved on the inner wall of the framework (17), the third sealing ring (24) is fixedly sleeved on one side of the second bearing (21), a differential screw shaft (1) is fixedly clamped at the center of the second bearing (21) and the third sealing ring (24), the sliding rail (23) is symmetrically embedded and installed on the inner wall of the framework (17), the sliding block (23) is connected with the sliding block (22) in a sliding manner, the sliding block (22) is embedded and installed on one side of the positioning block (19), the top of the positioning block (19) is connected with the inner wall of the framework (17) through the elastic support piece (18), the corrugated oil lip seal (20) is fixedly bonded on the bottom of the positioning block (19), and the corrugated oil lip seal (20) is in sliding connection with the differential screw shaft (1);
elastic support spare (18) include sleeve pipe (25), first supporting spring (26), stopper (27), second supporting spring (28) and telescopic link (29), sleeve pipe (25) are fixed at the top inner wall of skeleton (17) through the bolt, inside sliding connection of sleeve pipe (25) has stopper (27), the top center department welded fastening of stopper (27) has telescopic link (29), and the top of telescopic link (29) passes sleeve pipe (25) to be fixed at the top of locating piece (19), the bottom of stopper (27) is connected with the bottom inner wall of sleeve pipe (25) through first supporting spring (26), cup joint on telescopic link (29) is fixed with second supporting spring (28), and second supporting spring (28) are installed between the top of stopper (27) and the top inner wall of sleeve pipe (25).
2. The shaft sealing structure of the horizontal spiral screen centrifuge according to claim 1, wherein the first sealing ring (5) and the second sealing ring (2) are both fluorine rubber sealing rings.
3. Shaft seal arrangement for a horizontal screw screen centrifuge according to claim 1, characterized in that the bearing gland (11) and the labyrinth seal (12) are both a corrosion-resistant stainless steel material component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217072.6A CN109046798B (en) | 2018-10-18 | 2018-10-18 | Shaft sealing structure of horizontal spiral screen centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217072.6A CN109046798B (en) | 2018-10-18 | 2018-10-18 | Shaft sealing structure of horizontal spiral screen centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109046798A CN109046798A (en) | 2018-12-21 |
| CN109046798B true CN109046798B (en) | 2024-02-13 |
Family
ID=64764494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811217072.6A Active CN109046798B (en) | 2018-10-18 | 2018-10-18 | Shaft sealing structure of horizontal spiral screen centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109046798B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653212A (en) * | 2019-09-19 | 2020-01-07 | 江苏华大离心机制造有限公司 | Centrifuge for soaking, extracting and dehydrating plant stems and leaves and soaking, extracting and dehydrating method based on centrifuge |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2654868Y (en) * | 2003-08-04 | 2004-11-10 | 青岛基珀密封工业有限公司 | Air valve guide-bar oil seal |
| CN1792466A (en) * | 2005-11-24 | 2006-06-28 | 张家港华大离心机制造有限公司 | Spiral unloading filtering centrifuge |
| CN201676757U (en) * | 2009-12-14 | 2010-12-22 | 成都天圣离心机科技有限公司 | Novel sealing structure of horizontal spiral centrifugal machine bearing |
| CN205592399U (en) * | 2016-04-27 | 2016-09-21 | 青岛德鲁斯密封技术有限公司 | Prevent rotating rotary seal circle |
| CN207297647U (en) * | 2017-09-04 | 2018-05-01 | 青岛开世密封工业有限公司 | A kind of self-lubricating bearing formula oil sealing |
| CN108240476A (en) * | 2016-12-27 | 2018-07-03 | 深圳光启合众科技有限公司 | Shaft sealer |
| CN208990998U (en) * | 2018-10-18 | 2019-06-18 | 张家港市蓝鸟机械有限公司 | A kind of axle sealing structure of horizontal spiral screen centrifuge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB607091A (en) * | 1945-01-25 | 1948-08-25 | Westinghouse Electric Int Co | Improvements in or relating to sealing means for rotatable shafts |
-
2018
- 2018-10-18 CN CN201811217072.6A patent/CN109046798B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2654868Y (en) * | 2003-08-04 | 2004-11-10 | 青岛基珀密封工业有限公司 | Air valve guide-bar oil seal |
| CN1792466A (en) * | 2005-11-24 | 2006-06-28 | 张家港华大离心机制造有限公司 | Spiral unloading filtering centrifuge |
| CN201676757U (en) * | 2009-12-14 | 2010-12-22 | 成都天圣离心机科技有限公司 | Novel sealing structure of horizontal spiral centrifugal machine bearing |
| CN205592399U (en) * | 2016-04-27 | 2016-09-21 | 青岛德鲁斯密封技术有限公司 | Prevent rotating rotary seal circle |
| CN108240476A (en) * | 2016-12-27 | 2018-07-03 | 深圳光启合众科技有限公司 | Shaft sealer |
| CN207297647U (en) * | 2017-09-04 | 2018-05-01 | 青岛开世密封工业有限公司 | A kind of self-lubricating bearing formula oil sealing |
| CN208990998U (en) * | 2018-10-18 | 2019-06-18 | 张家港市蓝鸟机械有限公司 | A kind of axle sealing structure of horizontal spiral screen centrifuge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109046798A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107791275A (en) | Articulation structure and robot | |
| US9022663B2 (en) | Oil-lubricated anti-friction bearing | |
| US9238233B2 (en) | Centrifugal separator with shaft sealing mechanism for a centrifugal separation bowl rotatable within a casing | |
| US9581246B2 (en) | Seal member and front fork provided with seal member | |
| CN109046798B (en) | Shaft sealing structure of horizontal spiral screen centrifuge | |
| US20140216872A1 (en) | Sealing device and suspension device with the sealing device | |
| US9546684B2 (en) | Seal unit for rolling-element bearing and rolling-element bearing including the seal unit | |
| CN104279385B (en) | A kind of high leakproofness swivel joint | |
| BRPI1001021A2 (en) | Shaft-mounted bearing assembly and method for sealing a Shaft-mounted bearing assembly | |
| US20130126157A1 (en) | Self-Aligning and Leak Monitoring Stuffing Box | |
| US2485940A (en) | Packing cartridge | |
| CN208990998U (en) | A kind of axle sealing structure of horizontal spiral screen centrifuge | |
| CN110242812A (en) | A kind of chicksan | |
| US3489468A (en) | Seal arrangement for carrier rolls | |
| US3049357A (en) | Fluid seal | |
| CN104455851B (en) | A kind of swivel joint of energy impurity screening | |
| CN104358951B (en) | A kind of long lifetime swivel joint | |
| CN206708370U (en) | A kind of belt mud dewatering equipment roller bearing sealing structure | |
| CN104879499A (en) | Dustproof sealing device | |
| WO2018180967A1 (en) | Expansion pipe joint and incinerated ash treatment facility | |
| CN109058458B (en) | Chemical converter feeding seal structure | |
| CN208519054U (en) | A kind of four point contact roller bearing of biserial | |
| CN214662003U (en) | Main shaft sealing structure of crystallizer | |
| CN206318379U (en) | One kind plus grey conveying worm | |
| CN205824184U (en) | A kind of dynamic sealing device for bearing block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215624 Sanxing Yanxing Village, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: Jiangsu Bluebird Centrifuge Manufacturing Co.,Ltd. Address before: 215624 County Road 202, Sanxing, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: ZHANGJIAGANG LANNIAO CENTRIFUGE CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |