CN105090521A - Sealing device for rod piece - Google Patents
Sealing device for rod piece Download PDFInfo
- Publication number
- CN105090521A CN105090521A CN201510264481.1A CN201510264481A CN105090521A CN 105090521 A CN105090521 A CN 105090521A CN 201510264481 A CN201510264481 A CN 201510264481A CN 105090521 A CN105090521 A CN 105090521A
- Authority
- CN
- China
- Prior art keywords
- seal
- collar
- seal ring
- rod member
- arrangement according
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/56—Other sealings for reciprocating rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gasket Seals (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to a sealing device for a rod piece, and belongs to the field of machines. The sealing device comprises a packing box and glands. The packing box is installed on a sealed container, and the rod piece extends and penetrates the packing box. The packing box comprises a first part and a second part, and the inner diameter of the first part is different from that of the second part. A first sealing assembly is arranged in the first part. A second sealing assembly and a lantern ring are arranged in the second part. The first end of the lantern ring abuts upon the first sealing assembly, and the second end of the lantern ring abuts upon the second sealing assembly. The glands are arranged at the two ends of the packing box. According to the sealing device for the rod piece, the purpose of polymerizer suction filtration rod sealing is achieved, and it can be guaranteed that sealed materials do not make contact with the atmosphere.
Description
The application for be on September 21st, 2011 for the applying date, application number is 201110280995.8, name is called the divisional application that the original application of " a kind of seal arrangement for rod member " proposes.This application claims and obtain the applying date identical with original application.
Technical field
The present invention relates to a kind of seal arrangement for rod member, particularly a kind of seal arrangement for polymeric kettle suction filtration bar.
Background technique
In production polyolefin catalyst, often use polymeric kettle.Because the production of catalyzer is strict to seal request, therefore also very strict to the seal request of the suction filtration bar of polymeric kettle.
At present, the domestic structure for polymeric kettle suction filtration rod seal is traditional packing seal, as shown in Figure 1.In the drawings, 11 is packing, and 12 is packing ring, and 13 is filler casing, and 14 is gland, and 15 is hold-down bolt, and 16 is suction filtration bar.
In use, under the effect of capping pressure, be seated in the filler between suction filtration bar and stuffing box in annular space and radial impacting force is produced to the surface of suction filtration bar.Because filler contains oiling agent (this oiling agent is added when manufacturing filler), therefore while radial compacting force is produced to suction filtration bar, the very thin liquid film of one deck is also produced, the effect that this layer of liquid film fluid played in prevention equipment spills or external fluid is infiltrated, thus realize sealing.
Because the production of polyolefin catalyst is strict to seal request, this traditional packing seal can not meet the demands usually.Such as the production of polyolefin catalyst, due to the needs of production technology, the suction filtration bar of polymeric kettle needs to carry out withdrawing at longitudinal direction, the liquid film sealed can be destroyed in the process of withdrawing, cause equipment inner fluid to spill or external fluid infiltration, harmful effect is brought to the quality of polyolefin catalyst.Therefore, develop a kind of seal arrangement for polymeric kettle suction filtration bar newly to have great importance.
Summary of the invention
For above-mentioned technical problem existing in prior art, the present invention proposes a kind of seal arrangement for rod member, it can ensure that being sealed medium does not directly contact with air, is specially adapted to the sealing of polymeric kettle suction filtration bar.
According to the present invention, provide a kind of seal arrangement for sealing the rod member through seal container, it comprises: to be arranged on described seal container and the filler casing that extends therethrough of rod member, described filler casing comprises internal diameter unequal first portion and second portion each other.The first black box is furnished with in described first portion, the second black box and the collar is furnished with in described second portion, it is adjacent that the wherein said collar is arranged to its first end and adjacent and its second end of described first black box and the second black box, and be arranged in the gland on two ends of filler casing.
In one embodiment, described seal container is polymeric kettle, and described rod member is suction filtration bar.
In one embodiment, the internal diameter of the first portion of described filler casing is greater than the internal diameter of second portion.Like this, there is a circle step in the inside of filler casing, the support to the filler in first portion and positioning action can be realized.In addition, because the first portion at filler casing is different with the black box in second portion, the impacting force size of needs is also unequal, and only in this way described two-part black box just can play respective seal action.
In one embodiment, described first black box is stuffing box packing.Because described filler does not directly seal the reaction raw materials in polymeric kettle, therefore less demanding to it, this is conducive to cost-saving.When assembling, described filler seals similar to conventional fillers, first alternatively internal gland on the upper cap of packing layer, then compresses filler by nut gland.
In one embodiment, required fine finishing by the suction filtration bar sealed, the limit deviation of the external diameter of preferably sealed suction filtration bar is h9, and surface finishment is between 1.6-0.8 μm.If adapter adopts external diameter high-precision tube, polishing is carried out on surface, and surface finishment should reach more than 0.4 μm.
According to the present invention, filler cross-sectional width can be determined, as table 1 according to the diameter of suction filtration bar.
Table 1
| Suction filtration shank diameter/mm | Filler cross-sectional width/mm |
| 16-30 | 8 |
| ＞30-50 | 10 |
| ＞50-80 | 13 |
| ＞80-120 | 16 |
According to the present invention, in the second portion of described filler casing, be furnished with the collar, the second black box.In one embodiment, the first end of the described collar and the step of filler box house flush and adjacent with the stuffing box packing in first portion, to support sealing filler.First end and second black box of the described collar are adjacent.
In one embodiment, the internal surface of the described collar and/or outer surface are furnished with groove, thus provide air chamber between the described collar and rod member and/or between the described collar and filler casing.In one preferably embodiment, in the groove of the described collar, be disposed therethrough the through hole of the sidewall of the described collar.In one embodiment, the sidewall of the second portion of described filler casing is furnished with the external mouth of pipe, it is connected with described through hole gas can be provided in described air chamber.The material of the described collar is metal, is preferably stainless steel.
In one embodiment, described second black box is the assembly parts of seal ring and O type circle, and the second end of its side and the collar is adjacent, opposite side and gland adjacent.When assembling, sealing similar to routine, connecting gland and filler casing with hold-down bolt, and compressing close described second black box.
In one embodiment, be furnished with circular groove at described seal ring on the end face of the collar near the endocyclic position place of seal ring, described O type circle is contained in described circular groove.Preferably, the cross section of described circular groove is isosceles trapezoid, and the higher primary school of isosceles trapezoid is in the cross-sectional diameter of O type circle.Preferably, the cross section of described circular groove to be base angle the be isosceles trapezoid of 60 °, and the height of isosceles trapezoid is less than the cross-sectional diameter of O type circle, such as little 1mm.
In one embodiment, the sidewall of the close described rod member of described circular groove is formed as the seal ring of described seal ring, preferably forms linear contact lay with described rod member.The surface towards described rod member of the seal ring of described seal ring comprises two parts, the angle that the longitudinal axis that the angle that the longitudinal axis of one of them part and described rod member is formed is less than another part and described rod member is formed.
According to the present invention, O type circle cross-sectional diameter can be determined, as table 2 according to seal ring transverse section width.
Table 2
| Seal ring transverse section width/mm | O type circle cross-sectional diameter/mm |
| 6 | 2.65 |
| 8 | 3.55 |
| 11 | 3.55 |
| 14 | 5.30 |
According to the present invention, the cross-sectional width of seal ring can be determined, as table 3 according to the diameter of suction filtration bar.
Table 3
| Suction filtration shank diameter/mm | Transverse section width/the mm of seal ring |
| 16-30 | 6 |
| ＞30-50 | 8 |
| ＞50-80 | 11 |
| ＞80-120 | 14 |
According to the present invention, the described collar can be used as a divider, the first black box of filler casing and the second black box is separated.Two-part black box can be used as two supporting points of suction filtration bar, is the stability increasing suction filtration bar, so the length of the collar should be determined according to by the extension of suction filtration bar sealed, and strengthens collar longitudinal length as far as possible when space allows.
In addition, the groove on cover ring inner surface and/or outer surface becomes air chamber with sealed suction filtration rod and/or filler cabinet wall, and can be filled with inert gas in air chamber by the external mouth of pipe be connected with through hole, and such as nitrogen, argon gas etc. are used as shielding gas.In one embodiment, the air pressure in described air chamber is higher than barometric pressure, and higher than the air pressure in described seal container, described seal container is polymeric kettle.When polymeric kettle is negative pressure relative to barometric pressure, because air chamber pressure is higher than external atmosphere pressure and higher than the air pressure in the polymeric kettle be connected with suction filtration bar, therefore ambient atmosphere can be stoped directly to enter in polymeric kettle, the air chamber gas of trace can only be had to enter in polymeric kettle; When polymeric kettle is malleation, air chamber can hinder polymerization gas reactor directly to external leakage and atmosphere, thus raw material in polymeric kettle can not with atmosphere, realize seal action.
According to the present invention, by the cooperative action of seal ring and O type circle, improve the elasticity of seal ring on the one hand, to absorb the movement of the seal ring of longitudinal direction when suction filtration bar moves up and down; On the other hand, owing to being equipped with O type circle in dovetail groove, have the component of the waist perpendicular to dovetail groove under the impacting force effect of the collar, this component can make the seal ring of seal ring compress suction filtration bar and reach sealing effect.In addition, because the air pressure in described air chamber is greater than the air pressure in the cavity that the seal ring of seal ring and suction filtration bar formed, under the effect of pressure reduction, the seal ring of seal ring can compress suction filtration bar further, makes the sealing effect of seal ring better.In one embodiment, the seal ring of described seal ring and described rod member form linear contact lay.In a preferred embodiment, the internal diameter of the seal ring in described linear contact lay portion is transition fit with the external diameter of the suction filtration bar sealed.
The invention has the advantages that, by using the seal arrangement that combines with conventional seals of the collar, utilizing outside compressed gas as shielding gas, solving the sealing problem with the suction filtration bar vertically moved, and can ensure by sealants not with atmosphere.
Accompanying drawing explanation
Also with reference to accompanying drawing, the present invention is described in more detail based on different embodiments hereinafter.Wherein:
Fig. 1 is the schematic diagram of traditional stuffing seal;
Fig. 2 is the schematic diagram according to seal arrangement of the present invention;
Fig. 3 is the partial enlarged drawing according to seal arrangement of the present invention;
Fig. 4 is the corner schematic diagram according to seal arrangement of the present invention.
In each width figure, identical component is indicated by similar reference character.Accompanying drawing is not according to the scale of reality.
Embodiment
Below in conjunction with accompanying drawing, seal arrangement of the present invention is described further.It should be noted that, although be that example is introduced seal arrangement of the present invention by the suction filtration bar for polymeric kettle hereinafter, but be appreciated that seal arrangement of the present invention also can be used for other rod member.
Fig. 2 shows the suction filtration bar 7 for polymeric kettle 23.As shown in Figure 2, suction filtration bar 7 extends through filler casing 20.Filler casing 20 passes the wall of polymeric kettle 23 and is mounted thereon regularly.The two ends of filler casing 20 are compressed by nut gland 2 and nut gland 8 respectively.
According to the present invention, the part that filler casing 20 is divided into two internal diameters not wait, is furnished with the first black box in a first portion, is furnished with the collar 5 and the second black box in the second portion.Wherein the internal diameter of first portion is greater than the internal diameter of second portion, therefore in filler casing 20, forms step, and this step can play location and support the effect of the first black box.
First black box is arranged in the first portion of filler casing 20, and it is made up of at least one deck (such as 3-5 layer) stuffing box packing 6, and such as can be supported by ring-shaped step 25.Because described filler 6 does not directly seal the reaction raw materials in polymeric kettle, therefore less demanding to it, can design according to conventional filler.In one embodiment, described stuffing box packing 6 is the one in flexible graphite packing, asbestos, teflon, its shape is the one in square, wedge shape, cup-and-cone shape, two anti-bevel edge, and in the first portion of filler casing 20, arrange 3-5 layer, show the layout of stuffing box packing in fig. 2.
The collar 5 is arranged in the second portion of filler casing 20, its first end and the first black box adjacent, and the second end and the second black box adjacent.According to the present invention, the outer surface and/or internal surface of the collar 5 are furnished with groove, thus define air chamber 24 between the internal surface and suction filtration bar 7 of the collar 5 and/or between the outer surface of the collar 5 and the internal surface of the second portion of filler casing 20.
The position that the sidewall of the second portion of filler casing 20 corresponds to groove is furnished with the external mouth of pipe 21.By gas, inert gas can be preferably and be filled in the groove of the collar 5 by this external mouth of pipe 21.The sidewall of the collar 5 also can arrange the through hole 22 be connected with the groove on internal surface by the groove on the outer surface of the collar 5, be distributed in two air chambers 24 to enable be filled with gas.Air pressure in described air chamber 24 higher than barometric pressure, and higher than the air pressure in sealed polymeric kettle 23.When polymeric kettle 23 is negative pressure, because the air pressure of shielding gas with pressure is higher than external atmosphere pressure, outside atmosphere therefore can be stoped directly to enter polymeric kettle 23, the air chamber gas of trace can only be had to enter polymeric kettle 23; When polymeric kettle 23 is malleation, air chamber 24 can stop gas in polymeric kettle 23 directly to external leakage and atmosphere.Thus ensure raw material in polymeric kettle 23 can not with atmosphere, realize seal action.
Second black box is made up of the assemblying body of at least seal ring 3 and O type circle 4.Side and the collar 5 of the second black box are adjacent, and opposite side is compressed by gland 2 and hold-down bolt 1, and in the second portion of filler casing 20, arrange 3-5 layer.Fig. 3 shows the layout of O type circle 4 in seal ring 3.As shown in the figure, the end face of seal ring 3 towards the collar 5 has circular groove at the endocyclic position near seal ring, and O type circle 4 can be accommodated therein.In the illustrated embodiment in which, the cross section of circular groove is isosceles trapezoid.
By the cooperative action of seal ring and O type circle, improve the elasticity of seal ring to absorb the gyration of longitudinal direction when suction filtration bar moves up and down on the one hand; On the other hand, owing to being equipped with O type circle in dovetail groove, have the component F1 of the waist perpendicular to dovetail groove under impacting force F effect, this component F1 can make seal ring compress suction filtration bar and reach sealing effect.In addition, air pressure P2 in the cavity that the seal ring 31 being greater than seal ring due to the air pressure P1 in air chamber 24 and suction filtration bar 7 are formed, under the effect of pressure reduction, the seal ring 31 of seal ring radially can move to suction filtration bar 7 thus compresses suction filtration bar further, and sealing effect is better.
According to the present invention, the seal ring 31 of seal ring is preferably linear contact lay with the way of contact of suction filtration bar 7.As shown in Figure 4, this is by realizing seal ring 31 from the part that at least two inclination angles are made different in the surface that suction filtration bar 7 contacts.
Introduce below according in a specific embodiment of the present invention.In this embodiment, the external diameter of suction filtration bar 7 is 32 ± 0.30mm, and length is 2800mm, and extension is 2650mm, and surface finish is to degree of finish 0.4 μm.
The internal diameter of the first portion of filler casing 20 is 52mm, and the internal diameter of second portion is 48mm, therefore forms at filler box house the ring-shaped step 25 that a width is 4mm.
In the present embodiment, the stuffing box packing 6 as the first black box is transverse section width is such as the wedge shape polytetrafluoroethylene packing of 10mm, and thickness is 3 layers.Its side and the collar 5 adjacent, its opposite side is compressed by internal gland 9 (optionally) and nut gland 8.
The collar 5 is furnished with in the second portion of filler casing 20.In order to strengthen the distance between described first black box and the second black box, thus improving the stability of suction filtration bar 7, according to the length 165mm of filler casing 20, determining that the length of the collar 5 is 100mm.
The internal surface and/or outer surface of the collar 5 are furnished with groove, and its degree of depth can be determined according to the thickness of cover ring wall, is at least 2mm, and respectively leaves the part of not slotting at the two ends of the collar 5.In the present embodiment, the wall thickness of the collar 5 is 7.75mm, therefore determines that the degree of depth of groove is 2.5mm, groove longitudinal length 90mm, has the part of not slotting of 5mm at the two ends of the collar 5 respectively, thus forms air chamber 24.Preferably, the groove part of the collar 5 is evenly distributed with the through hole 22 that 8 diameters are 4mm.
The sidewall of the second portion of filler casing 20 is furnished with the external mouth of pipe 21, and in the present embodiment, it is NPT1/4 joint, and it is connected with through hole 22.In air chamber 24, be filled with inert gas by the external mouth of pipe 21, as nitrogen, form shielding gas with pressure.
In the present embodiment, the internal diameter of the second portion of filler casing 20 is 48
+ 0.062.The external diameter of the collar 5 is 48
-0.062, internal diameter is 32.5mm, and the material of the collar 5 is stainless steel.Internal diameter and the collar external diameter of described filler casing second portion adopt Spielpassung
the internal diameter 0.5mm larger than the external diameter of the suction filtration bar sealed of the collar.
In the second portion of filler casing 20, be also furnished with the second black box, it is combined by seal ring 3 and O type circle 4, and thickness is 3 layers.Its side and the collar 5 adjacent, opposite side is compressed by gland 2 and hold-down bolt 1.
The material of described seal ring 3 is the one in teflon, reinforced TFE, rubber, modified plastics, and the height and the width of described seal ring 3 are equal.The material of described O type circle 4 is nitrile butadiene rubber or fluorine rubber, and the internal diameter of described O type circle 4 is than by the large 0.5-1mm of the external diameter of suction filtration bar 7 that seals, and upwards rounding to standard size.
In the present embodiment, according to the diameter of filler casing 20, be 48mm in the present embodiment, the external diameter selecting seal ring 3 is 48
-0.062, the internal diameter of filler casing 20 and the external diameter of seal ring 3 adopt Spielpassung
meanwhile, according to the diameter of suction filtration bar 7, be 32 ± 0.30mm in the present embodiment, the cross-sectional width selecting seal ring 3 is 8mm, and its height and the width are equal, and its Material selec-tion is teflon.Select O type circle specification 32.5 × 3.55 according to the cross-sectional width of seal ring 3, its material is fluorine rubber.
The end face of seal ring 3 towards the collar 5 has circular groove at the endocyclic position near seal ring 3, and O type circle 4 can be accommodated therein.In the present embodiment, the cross section of circular groove is isosceles trapezoid, and its base angle is 60 °, and waist height is 2.55mm, and the sidewall of the close suction filtration bar 7 of circular groove is formed as the seal ring 31 of seal ring, and itself and suction filtration bar 7 form linear contact lay.As shown in Figure 4, this is by realizing seal ring 31 from the part that at least two inclination angles are made different in the surface that suction filtration bar 7 contacts.In the present embodiment, θ 1 is 8 °, and θ 2 is 28 °.The internal diameter at the linear contact lay position of the seal ring 31 of seal ring is
Described hold-down bolt 1 is the bolt of multiple M6, as gland external diameter≤120mm, adopts the bolt of 4 M6; As gland external diameter > 150mm, adopt the bolt of 8 M6.Gland 2 is furnished with the bolt hole consistent with hold-down bolt 1 quantity, the center-hole diameter 0.5mm larger than the diameter of suction filtration bar 7 of gland 2.In the present embodiment, described hold-down bolt 1 is the bolt of 4 M6, and the external diameter of gland 2 is 70mm, and the diameter of its center hole is 32.5mm, and it is the bolt hole of 7mm that gland 2 is furnished with 4 diameters.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technological schemes fallen in the scope of claim.
Claims (11)
1. the seal arrangement for sealing the rod member through seal container, comprise: to be arranged on described seal container and the filler casing that extends therethrough of rod member, described filler casing comprises internal diameter unequal first portion and second portion each other, the first black box is furnished with in described first portion, the second black box and the collar is furnished with in described second portion, it is adjacent that the wherein said collar is arranged to its first end and adjacent and its second end of described first black box and the second black box, and
Be arranged in the gland on two ends of filler casing.
2. seal arrangement according to claim 1, is characterized in that, the internal surface of the described collar and/or outer surface are furnished with groove, thus provides air chamber between the described collar and rod member and/or between the described collar and filler casing.
3. seal arrangement according to claim 2, is characterized in that, is disposed therethrough the through hole of the sidewall of the described collar in the groove of the described collar.
4. seal arrangement according to claim 3, is characterized in that, the sidewall of the second portion of described filler casing is furnished with the external mouth of pipe, and it is connected with described through hole gas can be provided in described air chamber.
5. the seal arrangement according to any one of claim 2 to 4, is characterized in that, the air pressure in described air chamber higher than barometric pressure, and higher than the air pressure in described seal container.
6. the seal arrangement according to any one of claim 1 to 4, is characterized in that, described first black box is stuffing box packing.
7. the seal arrangement according to any one of claim 1 to 4, is characterized in that, described second black box is the assembly parts of seal ring and O type circle.
8. seal arrangement according to claim 7, is characterized in that, is being furnished with circular groove at described seal ring on the end face of the collar near the endocyclic position place of seal ring, and described O type circle is contained in described circular groove.
9. seal arrangement according to claim 8, is characterized in that, the sidewall of the close described rod member of described circular groove is formed as the seal ring of described seal ring, preferably forms linear contact lay with described rod member.
10. seal arrangement according to claim 9, it is characterized in that, the surface towards described rod member of the seal ring of described seal ring comprises two parts, the angle that the longitudinal axis that the angle that the longitudinal axis of one of them part and described rod member is formed is less than another part and described rod member is formed.
11. seal arrangements according to any one of the claims, it is characterized in that, described seal container is polymeric kettle, and described rod member is suction filtration bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510264481.1A CN105090521B (en) | 2011-09-21 | 2011-09-21 | Sealing device for rod piece |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510264481.1A CN105090521B (en) | 2011-09-21 | 2011-09-21 | Sealing device for rod piece |
| CN201110280995.8A CN103016745B (en) | 2011-09-21 | 2011-09-21 | Sealing device used for rod element |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110280995.8A Division CN103016745B (en) | 2011-09-21 | 2011-09-21 | Sealing device used for rod element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090521A true CN105090521A (en) | 2015-11-25 |
| CN105090521B CN105090521B (en) | 2017-04-26 |
Family
ID=47965676
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110280995.8A Active CN103016745B (en) | 2011-09-21 | 2011-09-21 | Sealing device used for rod element |
| CN201510264481.1A Active CN105090521B (en) | 2011-09-21 | 2011-09-21 | Sealing device for rod piece |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110280995.8A Active CN103016745B (en) | 2011-09-21 | 2011-09-21 | Sealing device used for rod element |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103016745B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355544A (en) * | 2017-08-11 | 2017-11-17 | 岳阳高澜节能装备制造有限公司 | A kind of air inflation sealing device for stainless steel pipes welding |
| CN113669449A (en) * | 2021-07-15 | 2021-11-19 | 金石机器人银川有限公司 | Sealing loose clamping mechanism for plugging and unplugging filter rod |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286838B (en) * | 2015-05-26 | 2018-09-21 | 新特能源股份有限公司 | A kind of agitator tank stuffing seal |
| CN109596294B (en) * | 2018-12-03 | 2021-03-26 | 中国核动力研究设计院 | Underwater structure vibration excitation device with high sealing and waterproof performance |
| CN110332313A (en) * | 2019-08-06 | 2019-10-15 | 无锡力马化工机械有限公司 | The stuffing seal of horizontal etherification kettle under a kind of vaccum working condition |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5217068A (en) * | 1990-10-25 | 1993-06-08 | Hille Newton | Stuffing box |
| CN2147390Y (en) * | 1992-07-29 | 1993-11-24 | 艾绍奎 | Filling material box seat for centre adjustable reciprocating piston compressor |
| CN2727508Y (en) * | 2004-08-30 | 2005-09-21 | 邢台钢铁有限责任公司 | Gas fan sealing device |
| US20070284115A1 (en) * | 2006-06-12 | 2007-12-13 | Smith International, Inc. | Rod pump stuffing box |
| CN201196050Y (en) * | 2008-03-13 | 2009-02-18 | 烟台奥星石化设备有限公司 | High-pressure two-stage polished rod sealer |
| CN201277002Y (en) * | 2008-07-29 | 2009-07-22 | 王海峰 | Second-grade sealing device of well head packing kit |
| CN201436368U (en) * | 2009-07-01 | 2010-04-07 | 中国石油化工股份有限公司 | Electrical heating oil well double-packing box sealing device |
| CN101963050A (en) * | 2010-10-08 | 2011-02-02 | 高洪江 | Sucker rod deviation-based anti-eccentric wear sealing packing box |
| CN201779263U (en) * | 2010-09-07 | 2011-03-30 | 中国铝业股份有限公司 | Filling material sealing device of rotating shaft |
| CN201912913U (en) * | 2011-01-21 | 2011-08-03 | 辽宁工业大学 | Stirring shaft sealing structure of stirred tank |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816930C2 (en) * | 1978-04-19 | 1984-06-28 | Daume, Achim, Dipl.-Ing., 3006 Burgwedel | Stuffing box seal |
| DE3327421C2 (en) * | 1983-07-29 | 1986-02-13 | J.M. Voith Gmbh, 7920 Heidenheim | Stuffing box |
| US4753444A (en) * | 1986-10-30 | 1988-06-28 | Otis Engineering Corporation | Seal and seal assembly for well tools |
| DE4016541C2 (en) * | 1990-05-23 | 1994-04-07 | Kempchen & Co Gmbh | Gland packing |
| SU1756703A1 (en) * | 1990-12-25 | 1992-08-23 | Томское Отделение Всесоюзного Научно-Исследовательского И Проектного Института Комплексной Энергетической Технологии | Stuffing box seal of rotary shaft |
| CN2177134Y (en) * | 1993-05-22 | 1994-09-14 | 樊县圃 | Filler channel capable of changing filler in operation |
| RU2125675C1 (en) * | 1998-03-17 | 1999-01-27 | Московский государственный институт стали и сплавов (технологический университет) | Stuffing box seal for check and technological equipment of metallurgical unit |
| CN2625564Y (en) * | 2003-03-25 | 2004-07-14 | 中国石油化工股份有限公司中原油田分公司采油三厂 | Seal protection device for slick rod |
-
2011
- 2011-09-21 CN CN201110280995.8A patent/CN103016745B/en active Active
- 2011-09-21 CN CN201510264481.1A patent/CN105090521B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5217068A (en) * | 1990-10-25 | 1993-06-08 | Hille Newton | Stuffing box |
| CN2147390Y (en) * | 1992-07-29 | 1993-11-24 | 艾绍奎 | Filling material box seat for centre adjustable reciprocating piston compressor |
| CN2727508Y (en) * | 2004-08-30 | 2005-09-21 | 邢台钢铁有限责任公司 | Gas fan sealing device |
| US20070284115A1 (en) * | 2006-06-12 | 2007-12-13 | Smith International, Inc. | Rod pump stuffing box |
| CN201196050Y (en) * | 2008-03-13 | 2009-02-18 | 烟台奥星石化设备有限公司 | High-pressure two-stage polished rod sealer |
| CN201277002Y (en) * | 2008-07-29 | 2009-07-22 | 王海峰 | Second-grade sealing device of well head packing kit |
| CN201436368U (en) * | 2009-07-01 | 2010-04-07 | 中国石油化工股份有限公司 | Electrical heating oil well double-packing box sealing device |
| CN201779263U (en) * | 2010-09-07 | 2011-03-30 | 中国铝业股份有限公司 | Filling material sealing device of rotating shaft |
| CN101963050A (en) * | 2010-10-08 | 2011-02-02 | 高洪江 | Sucker rod deviation-based anti-eccentric wear sealing packing box |
| CN201912913U (en) * | 2011-01-21 | 2011-08-03 | 辽宁工业大学 | Stirring shaft sealing structure of stirred tank |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355544A (en) * | 2017-08-11 | 2017-11-17 | 岳阳高澜节能装备制造有限公司 | A kind of air inflation sealing device for stainless steel pipes welding |
| CN107355544B (en) * | 2017-08-11 | 2023-09-29 | 岳阳高澜节能装备制造有限公司 | Be used for stainless steel pipeline welded inflatable seal device |
| CN113669449A (en) * | 2021-07-15 | 2021-11-19 | 金石机器人银川有限公司 | Sealing loose clamping mechanism for plugging and unplugging filter rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016745B (en) | 2015-05-13 |
| CN103016745A (en) | 2013-04-03 |
| CN105090521B (en) | 2017-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016745B (en) | Sealing device used for rod element | |
| CN1039255C (en) | Packing rings, methods for production of the packing rings, and seal device using the packing rings | |
| KR101492267B1 (en) | Rubber/resin composite seal material | |
| CN102401133A (en) | Sealing gasket | |
| CN204647625U (en) | A kind of exhaust pipe seal gasket | |
| CN1834502A (en) | Metal tube circular moulded sealing washer and its mfg. method | |
| CN103343850B (en) | Rotary joint | |
| CN207018618U (en) | A kind of airtight and watertight padding for valve rod | |
| CN206940903U (en) | A kind of bioreactor top layer defoaming device | |
| CN108343756A (en) | Dual-seal knife gate valve | |
| CN203039999U (en) | Accelerator with high vacuum sealing system | |
| CN208579024U (en) | A kind of packing seal structure of spandex production | |
| CN113680104A (en) | Cylinder body piston assembly and chromatographic column | |
| CN207619012U (en) | Mating binary channels gyrator on a kind of fluid assembly and disassembly oil filling riser | |
| CN113431901A (en) | Metal corrugated self-sealing composite gasket | |
| CN208138485U (en) | Polymeric kettle stirs shaft sealer | |
| CN213744915U (en) | Reinforced packing ring | |
| CN216230438U (en) | Pressure test rubber ring die | |
| CN112096859B (en) | Sealing ring with large elastic deformation | |
| CN212377287U (en) | Compressing sand-feeding sealing gasket | |
| CN110185798A (en) | A kind of self-sealed alloy double bellow seal Composition spacer | |
| CN218543226U (en) | Soft sealing gate valve | |
| CN207161926U (en) | A kind of flange crossover sub | |
| CN208503468U (en) | A kind of structure gasket of more convex ribs | |
| CN219082226U (en) | Composite graphite sealing gasket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |