CN103104706A - Drier shaft head sealing device - Google Patents
Drier shaft head sealing device Download PDFInfo
- Publication number
- CN103104706A CN103104706A CN2013100157249A CN201310015724A CN103104706A CN 103104706 A CN103104706 A CN 103104706A CN 2013100157249 A CN2013100157249 A CN 2013100157249A CN 201310015724 A CN201310015724 A CN 201310015724A CN 103104706 A CN103104706 A CN 103104706A
- Authority
- CN
- China
- Prior art keywords
- sealing device
- dryer
- space
- primary seal
- bearing
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a drier shaft head sealing device, and is characterized in that two secondary sealing devices which are jointed in an annularly-sleeved mode are formed into a sealing cavity, and an inflation device is arranged between the two sealing devices. Due to the drier shaft head sealing device, the inflation device continuously inflates protective gas to enable gases at two sides of the shaft head to be the same, sealing effect of the shaft head is improved, materials leaking from the shaft head are blown back to the drier, and leakage of the materials is avoided.
Description
Technical field
The present invention relates to a kind of shaft-head sealing device, relate in particular to a kind of dryer dryer shaft-head sealing device.
Background technique
Dryer is a kind of machinery of utilizing heat energy to reduce water content of materiel, is used for object is carried out drying process.What modern age, dryer was brought into use is the fixed dryer of batch operation, continuous drying machine occurred subsequently.
Dryer produces high temperature in Dry run due to dryer in drier more special combustible and explosive articles, if the gas such as extraneous air and oxygen enters dryer is easy to produce blast at this moment.
Therefore usually can pass into shielding gas in dryer in dry some material, the at this moment sealing for the dryer spindle nose has just proposed very high requirement.
Summary of the invention
It is good that technical problem to be solved by this invention is to provide a kind of sealing, is applicable to pass into the dryer shaft-head sealing device of shielding gas dryer.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of dryer shaft-head sealing device, its innovative point is:
Described seal arrangement is made of primary seal device and the two stage sealing device of ring set type; Described primary seal device is built in two stage sealing device, and is provided with inflator between primary seal device and two stage sealing device.
Further, the structure of described primary seal device: comprise the filler casing of a jacketed, described filler casing is socketed on spindle nose, edge, the two ends projection of filler casing, and an end is screwed on dryer; The space is left in described filler casing and spindle nose joint, is provided with some tetrafluoro packings in the space; Annulus fastener cross section is L-type, and an end of fastener is stuck in the space, and the other end is with being locked at the double-threaded screw of spring on filler casing the other end edge projection.
Further, described two stage sealing device structure: comprise outer cover and connect and compose step-likely by three cylinders that differ in size are coaxial successively, big column bottom projection is screwed on dryer; Small column is socketed on spindle nose, between leave the space, be provided with the tetrafluoro packing in the space, the cross section is that annulus fastener one end of L-type is stuck in the space, the other end is locked at by the double-threaded screw with spring on the end face of small column of outer cover; Intermediate cylindrical end face compression axis bearing outer-ring prevents that bearing from altering axle.
Further, described inflator structure: valve is arranged on the outer cover of two stage sealing device, direction outwardly, the outer cover of primary seal device is provided with pipeline, is provided with the gas phase ring between an end of described pipeline and spindle nose, described gas phase ring surrounding is evenly equipped with aperture; Connect with flexible pipe between described valve and pipeline.
Further, described primary seal device is provided with cooling water circulating device, described cooling water circulating device structure: the upper fluting of the outer unit of the Stuffing box of described primary seal device, cylinder outer cover sealing with water intake and water outlet is fixed on conduit, also be provided with water intake and water outlet on described two stage sealing device, connect by flexible pipe between described water intake and water intake, connect by flexible pipe between described water outlet and water outlet.
Further, the both sides of described bearing also are provided with oil sealing, prevent that bearing oil from leaking.
Further, the both sides of described bearing are provided with tank filler sleeve, are used for the bearing lubricating oil filling.
Adopt such design; form closed cavity between the two-stage seal arrangement; can be blown into shielding gas between seal arrangement by inflator; inside and outside both sides gas is consistent to make like this dryer spindle nose; improved sealing effect, be blown into simultaneously shielding gas and also can blow back dryer to the material of running out of from spindle nose.
Description of drawings
Fig. 1 is the schematic diagram of dryer shaft-head sealing device of the present invention.
Fig. 2 is the schematic diagram of the primary seal device of dryer shaft-head sealing device of the present invention.
Fig. 3 is the schematic diagram of the two stage sealing device of dryer shaft-head sealing device of the present invention.
Fig. 4 is the inflation air extractor of dryer shaft-head sealing device of the present invention and the cooling water circulating device schematic diagram of primary seal device.
Fig. 5 is the schematic diagram of cooling water circulating device of the two stage sealing device of dryer shaft-head sealing device head of the present invention.
Embodiment
As shown in Figure 1, the dryer shaft-head sealing device comprises spindle nose 1 and two-stage seal arrangement.The two-stage seal arrangement is made of the seal arrangement 2 and 3 of two ring sets, and primary seal device 2 is built in seal arrangement 3, and is arranged on spindle nose 1.
As shown in Figure 2, primary seal device 2 comprises the filler casing 5 of a cylinder type, the two ends projection of filler casing 5, and an end of projection is screwed on dryer.Filler casing 5 axles are fixed on spindle nose 1, and between leave the space, be provided with some tetrafluoro packings 6 in the space, the cross section is that an end of the annulus fastener 7 of L-type is stuck in the space, and the other end is locked on the opposite side projection of filler casing 5 by the double-threaded screw 8 with spring.Double-threaded screw 8 is locked fastener 7 by spring, fastener 7 extruding tetrafluoro packings 6, and the space is filled up in 6 extrusions of tetrafluoro packing, has reached good sealing effect.
As Fig. 1 or shown in Figure 3, two stage sealing device 3 comprises one with the bearing gland 9 of seal arrangement, consist of step-likely with the bearing gland 9 of seal arrangement by three cylindrical bodys that differ in size are coaxial, an end of big column is provided with projection, and high spot is screwed on dryer.Small column with the bearing gland 9 of seal arrangement is arranged on spindle nose 1, be provided with bearing 13 between intermediate cylindrical and spindle nose, the both sides outer cover 9 of bearing 13 is provided with oil sealing 29 and tank filler sleeve 30, tank filler sleeve 30 is used for to bearing 13 lubricating oil fillings, and oil sealing 29 prevents that oil leak from arriving miscellaneous part.Be provided with the space with the small column of the bearing gland 9 of seal arrangement and spindle nose 1 joint, be provided with some tetrafluoro packings 10 in the space, the cross section is that an end of the annulus fastener 11 of L-type is stuck in the space, and the other end is with on the end face that is locked at the double-threaded screw 12 of spring with the small column of the bearing gland 9 of seal arrangement.Fastener 11 makes its distortion fill up the space by the double-threaded screw 12 locking extruding tetrafluoro packings 10 with spring, reaches sealing effect.
As Fig. 1 or shown in Figure 4, be provided with inflator 4 between primary seal device 2 and two stage sealing device 3, the valve 16 of inflator 4 is fixed on the bearing gland 9 with seal arrangement of two stage sealing device 3, the filler casing 5 of primary seal device 2 is provided with pipeline 14, be provided with gas phase ring 31 between one end of pipeline 14 and spindle nose 1, uniform aperture on gas phase ring 31, the equalization of pressure in the time of can guaranteeing to inflate on spindle nose 1.Connect with flexible pipe 15 between pipeline 14 and valve 16.Be filled with shielding gas by valve 16 to seal arrangement, make both sides gas consistent, strengthen sealing effect, simultaneously the material of running out of from spindle nose in dryer is blown back dryer.
As shown in Figure 4, be provided with cooling water circulating device 17 on the outer cover of primary seal device 2, its structure is: at the filler casing 5 surface flutings of primary seal device 2, be fixed on conduit with 18 sealings of cylinder outer cover, cylinder outer cover 18 is provided with water intake 19 and blows the mouth of a river 20, also be provided with water intake 21 and water outlet 22 on the bearing gland 9 with seal arrangement of two stage sealing device 3, two water intakes 19 connect with flexible pipe 23 with being connected, and two water outlets 20 connect with flexible pipe 24 with being connected.Cooling water enters from water intake 21, enters conduit by flexible pipe 23 from water intake 19, from water outlet 20 outflows of conduit opposite side, arrives water outlet 22 through flexible pipe 24.
As shown in Figure 5, be provided with cooling water circulating device 25 in the outer unit of the position of bearings of two stage sealing device 3, its structure is: the outer unit outside fluting in the position of bearings of two stage sealing device 3, be fixed on conduit with 26 sealings of cylinder outer cover, outer cover 26 is provided with water intake 27 and water outlet 28.Cooling water enters conduit from water intake 27, and the water outlet 28 along conduit to the other end flows out.
During use; constantly be filled with the shielding gas identical with dryer inner from valve 16 to seal arrangement; make the gas on dryer spindle nose both sides consistent; strengthened the sealing effect of spindle nose; prevent entering of the gases such as extraneous oxygen; the gas that constantly is blown into simultaneously will blow back dryer from the material that the dryer spindle nose spills, and prevent the leakage of material.In dryer when work,, two-stage is sealed in spindle nose axle fixed connection place, and friction generates heat, cooling by cooling water recirculation system, extended spindle nose working life.
Dryer sealed type spindle nose of the present invention has good sealing effect, is particularly suitable for being filled with the dryer of shielding gas.Certainly, dryer sealed type spindle nose of the present invention also can be applied on other equipment with corresponding requirements.
Claims (8)
1. dryer shaft-head sealing device is characterized in that: described seal arrangement is made of primary seal device (2) and the two stage sealing device (3) of ring set type; Described primary seal device (2) is built in two stage sealing device (3), and is provided with inflator (4) between primary seal device (2) and two stage sealing device (3).
2. according to dryer shaft-head sealing device claimed in claim 1, it is characterized in that: the structure of described primary seal device (2): the filler casing (5) that comprises a jacketed, the filler casing (5) of described jacketed is socketed on spindle nose (1), edge, the two ends projection of filler casing (5), an end is screwed on dryer; Leave the space between described outer filler casing (5) and spindle nose (1), be provided with some tetrafluoro packings (6) in the space; Annulus fastener (7) cross section is L-type, and an end of fastener (7) is stuck in the space, and the other end is with on filler casing (5) the other end edge projection that is locked at jacketed with the double-threaded screw (8) of spring.
3. according to dryer shaft-head sealing device claimed in claim 1, it is characterized in that: described two stage sealing device (3) structure: comprise the bearing gland (9) with seal arrangement, described bearing gland with seal arrangement (9) by three cylinders that differ in size successively coaxial connect and compose step-like, big column bottom projection is screwed on dryer; Small column is socketed on spindle nose (1), and leave the space between axle, be provided with tetrafluoro packing (10) in the space, the cross section is that annulus fastener (11) one ends of L-type are stuck in the space, and the other end is locked at by the double-threaded screw (12) with spring on the end face of small column of the bearing gland (9) with seal arrangement; Intermediate cylindrical end face compression axis bearing outer-ring prevents that bearing from altering axle.
4. according to dryer shaft-head sealing device claimed in claim 1, it is characterized in that: described inflator (4) structure: valve (16) is arranged on the bearing gland with seal arrangement (9) of two stage sealing device (3), direction outwardly, the filler casing (5) of the jacketed of primary seal device (2) is provided with pipeline (14), be provided with gas phase ring (31) between one end of described pipeline (14) and spindle nose (1), described gas phase ring (31) surrounding is evenly equipped with aperture; Connect with flexible pipe (15) between described valve (16) and pipeline (14).
5. according to the described dryer shaft-head sealing device of claim 1 or 2, it is characterized in that: described primary seal device (2) is provided with cooling water circulating device (17), the structure of described cooling water circulating device (17): slot on the outer first face of the filler casing (5) of the jacketed of described primary seal device (2), cylinder outer cover (18) sealing of band water intake (19) and water outlet (20) is fixed on conduit, also be provided with water intake (21) and water outlet (22) on described two stage sealing device (3), connect by flexible pipe (23) between described water intake (19) and water intake (21), connect by flexible pipe (24) between described water outlet (20) and water outlet (22).
6. according to the described dryer shaft-head sealing device of claim 1 or 3, it is characterized in that: described two stage sealing device (3) is provided with cooling water circulating device (25), the structure of described cooling water circulating device (25): the bearing gland with seal arrangement of described two stage sealing device (3) has conduit on (9), cylinder type outer cover (26) sealing is fixed on conduit, and outer cover (26) is provided with water intake (27) and water outlet (28).
7. according to dryer shaft-head sealing device claimed in claim 3, it is characterized in that: the both sides of described bearing (13) also are provided with oil sealing (29).
8. according to dryer shaft-head sealing device claimed in claim 3, it is characterized in that: the both sides of described bearing (13) are provided with tank filler sleeve (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015724.9A CN103104706B (en) | 2013-01-16 | 2013-01-16 | Dryer shaft-head sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015724.9A CN103104706B (en) | 2013-01-16 | 2013-01-16 | Dryer shaft-head sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104706A true CN103104706A (en) | 2013-05-15 |
| CN103104706B CN103104706B (en) | 2015-07-29 |
Family
ID=48312797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310015724.9A Expired - Fee Related CN103104706B (en) | 2013-01-16 | 2013-01-16 | Dryer shaft-head sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103104706B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016080A (en) * | 2014-06-05 | 2014-09-03 | 济南鲍德炉料有限公司 | Tail supporting bearing connecting piece of spiral conveyor |
| CN104500746A (en) * | 2014-11-07 | 2015-04-08 | 南通密炼捏合机械有限公司 | Rotating shaft sealing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4380356A (en) * | 1980-05-23 | 1983-04-19 | Kraftwerk Union Aktiengesellschaft | Generator rotor, especially turbo-generator rotor with superconducting field winding |
| CN2625662Y (en) * | 2003-02-26 | 2004-07-14 | 泸州北方化学工业有限公司 | Combined sealing device for fore bearing of horizontal continuously pulling material centrifuger |
| CN201173294Y (en) * | 2008-04-01 | 2008-12-31 | 浙江菲达环保科技股份有限公司 | Air shaft sealing device |
| CN201434078Y (en) * | 2009-05-26 | 2010-03-31 | 山西太钢不锈钢股份有限公司 | Shaft sealing device |
| CN102773038A (en) * | 2012-07-17 | 2012-11-14 | 如皋市井上捏和机械厂 | Kneading machine |
-
2013
- 2013-01-16 CN CN201310015724.9A patent/CN103104706B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4380356A (en) * | 1980-05-23 | 1983-04-19 | Kraftwerk Union Aktiengesellschaft | Generator rotor, especially turbo-generator rotor with superconducting field winding |
| CN2625662Y (en) * | 2003-02-26 | 2004-07-14 | 泸州北方化学工业有限公司 | Combined sealing device for fore bearing of horizontal continuously pulling material centrifuger |
| CN201173294Y (en) * | 2008-04-01 | 2008-12-31 | 浙江菲达环保科技股份有限公司 | Air shaft sealing device |
| CN201434078Y (en) * | 2009-05-26 | 2010-03-31 | 山西太钢不锈钢股份有限公司 | Shaft sealing device |
| CN102773038A (en) * | 2012-07-17 | 2012-11-14 | 如皋市井上捏和机械厂 | Kneading machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016080A (en) * | 2014-06-05 | 2014-09-03 | 济南鲍德炉料有限公司 | Tail supporting bearing connecting piece of spiral conveyor |
| CN104016080B (en) * | 2014-06-05 | 2015-12-16 | 济南鲍德炉料有限公司 | Conveyor screw tail support bearing connection |
| CN104500746A (en) * | 2014-11-07 | 2015-04-08 | 南通密炼捏合机械有限公司 | Rotating shaft sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103104706B (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205533096U (en) | Compressor air cooling packs | |
| CN103104706B (en) | Dryer shaft-head sealing device | |
| CN104405447B (en) | Polygonal rotor fluid mechanism and apply its engine | |
| CN206072347U (en) | A kind of swivel joint mechanically-sealing apparatus | |
| CN203571044U (en) | Water lubrication sealing device for ships | |
| CN105465373A (en) | High-performance magnetic liquid sealing structure | |
| CN103803305A (en) | Double-sealed rotary valve | |
| CN203703139U (en) | Sealing structure for rotary furnace | |
| CN204329585U (en) | The carbon seal ring hermetically-sealed construction of rotary furnace | |
| CN207349084U (en) | The gland seal device of oil free screw machine | |
| CN102678384B (en) | Stirling engine | |
| CN206234364U (en) | A kind of high speed air-cooler magnetic fluid seal device | |
| CN205745288U (en) | A kind of movable sealing structure for gas-solid two phase materials | |
| CN103047501A (en) | Pneumatic rotary joint | |
| CN207728398U (en) | Reverse pressurization sealing gland | |
| CN107314110A (en) | Rubber antelabium friction pair type stern shaft seal gland | |
| CN207195656U (en) | Rubber antelabium friction pair type stern shaft seal gland | |
| CN111059259A (en) | Oil-seal-free speed reducer for pinch roll in steel industry | |
| CN207879560U (en) | A kind of high pressure filling sealing device | |
| CN207406906U (en) | A kind of butterfly valve axle end sealing device | |
| CN206694721U (en) | Floating sealed sleeve expansion joint | |
| CN104132365B (en) | Composite sealed impeller type pulverized coal feeder | |
| CN205678251U (en) | Hot blast regulation Circular ventilation door axle head composite sealing assembly | |
| CN202811110U (en) | Stirling engine | |
| CN205479835U (en) | Anti -explosion high -pressure resistant self -sealing rotating compensator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |