CN205534239U - Dry gas seal of oxidation stirring kettle - Google Patents
Dry gas seal of oxidation stirring kettle Download PDFInfo
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- CN205534239U CN205534239U CN201620083707.8U CN201620083707U CN205534239U CN 205534239 U CN205534239 U CN 205534239U CN 201620083707 U CN201620083707 U CN 201620083707U CN 205534239 U CN205534239 U CN 205534239U
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- dry gas
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- stirred tank
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- stirring kettle
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Abstract
The utility model relates to a dry gas seal of oxidation stirring kettle, including the stirred tank cavity, the sealing gas entry, the axle sleeve, the axle sleeve is equipped with the spring holder outward, it is sealed that the spring holder is equipped with first order dry gas near the inboard one end of stirred tank, and the other end is equipped with second level dry gas and seals up, and the two -stage dry gas seals up and passes through to adopt same spring holder, when making the structural connection more stable, has reduced the size of installing, has also improved the effect of sealing up. The one -level rotating ring is close to on the circumference of the quiet ring terminal surface of one -level and the second grade rotating ring is close to and is equipped with a plurality of spiral bank of cells on the circumference of the quiet ring terminal surface of second grade respectively, and every spiral bank of cells includes radial air feed groove and at a plurality of helicla flutes of the left and right symmetric distribution in air feed groove. When this just makes the stirred tank antiport, should sealed also can play a role, make the stirred tank sealed. Be equipped with the end cover at the sealed rear side of second grade dry gas, make the dry gas sealed with the stirred tank cavity between be connected more stable.
Description
Technical field
The utility model relates to stirred tank dry gas seals, is specifically related to one and includes stirred tank cavity, blanket gas
Entrance, the dry gas seal of oxidation stirring kettle of axle sleeve.
Background technology
Oxidation stirring kettle is that many chemical enterprise products materials are polymerized, the necessary equipment of the reactions such as oxidation,
Belong to the heart equipment of enterprise.The good ring of its sealing property, plays vital effect to whole enterprise.
Existing dry gas seal of oxidation stirring kettle often occurs poorly sealed close, and when stirred tank needs reversely fortune
Time dynamic, dry gas seals will lose efficacy, it is impossible to seals, and time serious, can damage device.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, good airproof performance, can be used for stirred tank two-way
The dry gas seal of oxidation stirring kettle rotated.
In order to achieve the above object, a kind of dry gas seal of oxidation stirring kettle that the utility model provides, including stirring
Mixing still cavity, blanket gas entrance, axle sleeve, described axle sleeve is externally provided with spring base, and described spring base is near stirring
One end inside still is provided with first order dry gas seals, and the other end is provided with second level dry gas seals；The described first order
Dry gas seals is sequentially provided with one-level spring, one-level throw-out collar, one-level rotating ring by spring base along direction inside stirred tank
With one-level stationary ring, described second level dry gas seals is sequentially provided with two grades of bullets by spring base along stirred tank lateral direction
Spring, two grades of throw-out collars, two grades of rotating rings and two grades of stationary rings；Described one-level rotating ring is near the circumference of one-level stationary ring end face
Upper and two grades of rotating rings are respectively equipped with some helicla flute groups, each helicla flute on the circumference of two grades of stationary ring end faces
Group includes air supply trough radially and at the left and right symmetrical some helicla flutes of air supply trough.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, described two grades of stationary rings are near stirring
One end outside still is provided with end cap, and end cap one end is connected with two grades of stationary rings, and the other end is connected with stirred tank cavity.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, described blanket gas entrance is provided with survey
Temperature device and filter.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, the number of described helicla flute group is
25, the degree of depth of described air supply trough is 10-30 μm, preferably 20 μm.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, described spiral fluted line style is spiral shell
Spin line, the described spiral fluted degree of depth is 5-20 μm, and spiral fluted head number is 4-6, and spiral fluted helical angle is
10-20 degree.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, the described spiral fluted degree of depth is
15 μm, spiral fluted head number is 5, and spiral fluted helical angle is 15 degree.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, described helicla flute is opened from air supply trough
Begin to gradually become shallower as to the both sides degree of depth.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, between described spring base and axle sleeve
It is provided with two spring base sealing rings.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, described one-level stationary ring and stirred tank
Stop pin it is provided with between cavity.
Dry gas seal of oxidation stirring kettle as above, further illustrate into, described one-level rotating ring pushes away with one-level
Between ring, between two grades of rotating rings and two grades of throw-out collars, it is equipped with seal ring of moving ring.
The beneficial effects of the utility model are: two-stage dry gas seals, by using same spring base, makes structure
Connect while more stablizing, reduce the size of device, also improve the effect of sealing.Rotating ring is near quiet
Helicla flute group on the end face of ring, each helicla flute group includes air supply trough radially and in the left and right symmetry of air supply trough
Some helicla flutes of distribution, when this just makes stirred tank rotate backward, this sealing also can play a role, make stirring
Still is sealed.On rear side of two grades of dry gas seals, it is provided with end cap, makes between dry gas seals and stirred tank cavity
Connect more stable；Between rotating ring and throw-out collar, between spring base and axle sleeve, it is equipped with sealing ring, makes sealing
More tight, improve sealing.It is provided with temperature measuring equipment and filter, it is ensured that close in blanket gas porch
Seal the clean of gas, improve the efficiency of dry gas seals.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the schematic diagram of bolt slot group on one-level rotating ring and two grades of ring seal end faces.
In figure: 1, stirred tank cavity；2, blanket gas entrance；3, axle sleeve；4, spring base；5, the first order
Dry gas seals；501, one-level spring；502, one-level throw-out collar；503, one-level rotating ring；504, one-level stationary ring；
6, second level dry gas seals；601, two-level spring；602, two grades of throw-out collars；603, two grades of rotating rings；604、
Two grades of stationary rings；7, helicla flute group；701, air supply trough；702, helicla flute；8, end cap；9, filter；
10, spring base sealing ring；11, stop pin；12 seal ring of moving ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings the utility model embodiment is done further details of elaboration.
As it is shown in figure 1, a kind of dry gas seal of oxidation stirring kettle that this practicality example provides, including stirred tank cavity 1,
Blanket gas entrance 2, is provided with temperature measuring equipment and filter 9 at blanket gas entrance 2, temperature measuring equipment uses thermometer
Can know the temperature of blanket gas in time, can guarantee that the lasting safe operation of this sealing device, filter 9 is main
For filtering impurity in blanket gas, making the blanket gas in entrance cavity cleaner, sealing effectiveness is more preferable, axle sleeve 3,
Axle sleeve 3 is sheathed in rotating shaft, rotates with rotating shaft, and described axle sleeve 3 is externally provided with spring base 4, spring base 4 with
Two spring base sealing rings 10 it are provided with between axle sleeve 3.Described spring base 4 one end inside stirred tank is provided with
First order dry gas seals 5, the other end is provided with second level dry gas seals 6, and two-stage dry gas seals is same by using
Individual spring base 4, while making structure connection more stable, reduces the size of device, also improves sealing
Effect.Described first order dry gas seals 5 is sequentially provided with one-level spring by spring base 4 along direction inside stirred tank
501, one-level throw-out collar 502, one-level rotating ring 503 and one-level stationary ring 504, one-level rotating ring 503 and one-level throw-out collar 502
Between be additionally provided with seal ring of moving ring 12, use seal ring of moving ring 12 to make sealing more tight, one-level stationary ring 504 with
Stop pin 11 it is provided with between stirred tank cavity 1, when rotating shaft is static, one-level stationary ring 504 and one-level rotating ring 503 phase
Contact mutually, when rotating shaft rotates, one-level rotating ring 503 can move a segment distance to spring base 4, makes one-level stationary ring
Form certain distance between 504 and one-level rotating ring 503, thus form air film.
Described second level dry gas seals 6 by spring base 4 along stirred tank lateral direction be sequentially provided with two-level spring 601,
602, two grades of rotating rings 603 of two grades of throw-out collars and two grades of stationary rings 604.Set between two grades of rotating rings 603 and two grades of throw-out collars 602
Having a seal ring of moving ring 12, two grades of stationary rings 604 one end outside stirred tank is provided with end cap 8, end cap 8 one end with
Two grades of stationary rings 604 connect, and the other end is connected with stirred tank cavity 1.By use end cap 8, make dry gas seals with
Connection between stirred tank cavity 1 is more stable.When rotating shaft is static, two grades of stationary rings 604 and two grades of rotating rings 603
Contacting with each other, when rotating shaft rotates, two grades of rotating rings 603 can move a segment distance to spring base 4, make two grades quiet
Form certain distance between ring 604 and two grades of rotating rings 603, thus form air film.
As in figure 2 it is shown, described one-level rotating ring 503 is on the circumference of one-level stationary ring 504 end face and two grades of rotating rings
603 are respectively equipped with some helicla flute groups 7 on the circumference of two grades of stationary ring 604 end faces, and helicla flute group 7 is uniformly divided
Cloth, on sealing surface, here as a example by the seal face of one-level rotating ring 503, illustrates, each spiral
Groove group 7 includes air supply trough 701 radially and at the left and right symmetrical some helicla flutes 702 of air supply trough 701.
The number of described helicla flute group 7 is 25, and all with distribution on the circumferential surface, the degree of depth of described air supply trough 701 is
10-30 μm, preferably 20 μm.The line style of described helicla flute 702 is helix, described helicla flute 702 deep
Degree is 5-20 μm, and preferably 15 μm, spiral fluted head number is 4-6, and preferably head number is 5, spiral fluted spiral
Angle is 10-20 degree, preferably 15 degree.Another embodiment of helicla flute 702 is that helicla flute 702 is from air supply trough 701
Starting to gradually become shallower as to the both sides degree of depth, helicla flute 702 is near the side degree of depth and air supply trough deep of air supply trough 701
Degree is consistent.Ring seal end face is provided with helicla flute group, each helicla flute group include air supply trough radially and
At the left and right symmetrical some helicla flutes of air supply trough, when this just makes stirred tank rotate backward, this sealing is also
Can play a role, make stirred tank be sealed.
The utility model is not limited to examples detailed above, in claims limited range of the present utility model
In, various deformation that those skilled in the art can make without creative work or amendment are all by this patent
Protection.
Claims (10)
1. dry gas seal of oxidation stirring kettle, including stirred tank cavity (1), blanket gas entrance (2), axle sleeve (3), it is characterized in that: described axle sleeve (3) is externally provided with spring base (4), described spring base (4) is provided with first order dry gas seals (5) near the one end inside stirred tank, and the other end is provided with second level dry gas seals (6)；Described first order dry gas seals (5) is sequentially provided with one-level spring (501), one-level throw-out collar (502), one-level rotating ring (503) and one-level stationary ring (504) by spring base (4) along direction inside stirred tank, and described second level dry gas seals (6) is sequentially provided with two-level spring (601), two grades of throw-out collars (602), two grades of rotating rings (603) and two grades of stationary rings (604) by spring base (4) along stirred tank lateral direction；Described one-level rotating ring (503) is on the circumference of one-level stationary ring (504) end face and two grades of rotating rings (603) are respectively equipped with some helicla flute groups (7) on the circumference of two grades of stationary ring (604) end faces, and each helicla flute group (7) includes air supply trough (701) radially and at the left and right symmetrical some helicla flutes (702) of air supply trough.
Dry gas seal of oxidation stirring kettle the most according to claim 1, it is characterized in that: described two grades of stationary rings (604) are provided with end cap (8) near the one end outside stirred tank, end cap (8) one end is connected with two grades of stationary rings (604), and the other end is connected with stirred tank cavity (1).
Dry gas seal of oxidation stirring kettle the most according to claim 2, it is characterised in that: described blanket gas entrance (2) is provided with temperature measuring equipment and filter (9).
Dry gas seal of oxidation stirring kettle the most according to claim 1, it is characterised in that: the number of described helicla flute group (7) is 25, and the degree of depth of described air supply trough (701) is 10-30 μm.
Dry gas seal of oxidation stirring kettle the most according to claim 4, it is characterized in that: the line style of described helicla flute (702) is helix, the degree of depth of described helicla flute (702) is 5-20 μm, the head number of helicla flute (702) is 4-6, and the helical angle of helicla flute (702) is 10-20 degree.
Dry gas seal of oxidation stirring kettle the most according to claim 5, it is characterised in that: the degree of depth of described helicla flute (702) is 15 μm, and the head number of helicla flute (702) is 5, and the helical angle of helicla flute (702) is 15 degree.
Dry gas seal of oxidation stirring kettle the most according to claim 4, it is characterised in that: described helicla flute (702) starts to gradually become shallower as to the both sides degree of depth from air supply trough (701).
Dry gas seal of oxidation stirring kettle the most according to claim 1, it is characterised in that: it is provided with two spring base sealing rings (10) between described spring base (4) and axle sleeve (3).
Dry gas seal of oxidation stirring kettle the most according to claim 1, it is characterised in that: it is provided with stop pin (11) between described one-level stationary ring (504) and stirred tank cavity (1).
Dry gas seal of oxidation stirring kettle the most according to claim 1, it is characterised in that: between described one-level rotating ring (503) and one-level throw-out collar (502), between two grades of rotating rings (603) and two grades of throw-out collars (602), it is equipped with seal ring of moving ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083707.8U CN205534239U (en) | 2016-01-27 | 2016-01-27 | Dry gas seal of oxidation stirring kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083707.8U CN205534239U (en) | 2016-01-27 | 2016-01-27 | Dry gas seal of oxidation stirring kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534239U true CN205534239U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620083707.8U Active CN205534239U (en) | 2016-01-27 | 2016-01-27 | Dry gas seal of oxidation stirring kettle |
Country Status (1)
| Country | Link |
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| CN (1) | CN205534239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906206A (en) * | 2017-12-28 | 2018-04-13 | 温州市天成密封件制造有限公司 | It is a kind of can bidirectional rotation barrel cover type groove end surface mechanical sealing structure |
| CN108591476A (en) * | 2018-04-23 | 2018-09-28 | 西安交通大学 | A kind of dry gas sealing device suitable for overcritical working medium |
-
2016
- 2016-01-27 CN CN201620083707.8U patent/CN205534239U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906206A (en) * | 2017-12-28 | 2018-04-13 | 温州市天成密封件制造有限公司 | It is a kind of can bidirectional rotation barrel cover type groove end surface mechanical sealing structure |
| CN108591476A (en) * | 2018-04-23 | 2018-09-28 | 西安交通大学 | A kind of dry gas sealing device suitable for overcritical working medium |
| CN108591476B (en) * | 2018-04-23 | 2019-08-23 | 西安交通大学 | A kind of dry gas sealing device suitable for overcritical working medium |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |