CN107339437A - A kind of mechanical seal structure of reactor agitating shaft - Google Patents
A kind of mechanical seal structure of reactor agitating shaft Download PDFInfo
- Publication number
- CN107339437A CN107339437A CN201710737095.9A CN201710737095A CN107339437A CN 107339437 A CN107339437 A CN 107339437A CN 201710737095 A CN201710737095 A CN 201710737095A CN 107339437 A CN107339437 A CN 107339437A
- Authority
- CN
- China
- Prior art keywords
- mechanical seal
- flange
- storage tank
- agitating shaft
- chamber
- 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.)
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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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The present invention relates to a kind of mechanical seal structure of reactor agitating shaft, the mechanical seal structure includes agitating shaft, quiet flange, dynamic flange, side medium mechanical seal chamber, first, two stationary rings, atmospheric side mechanical seal chamber and first, two rotating rings, also include outer loop sealing capability, outer loop sealing capability has an additional pressure type storage tank, storage tank passes through pipeline and cooling liquid bath UNICOM, cooling jacket is provided between quiet flange and dynamic flange, coolant in cooling jacket passes through pipeline and storage tank UNICOM, quiet flange has cooling chamber, the cooling chamber passes through pipeline UNICOM with storage tank, auxiliary bearing is provided with above dynamic flange.Using double mechanical seal, there is provided outer loop sealing liquid, prevent the generation of " dry operating "；Auxiliary bearing is set up in the upper end of mechanical seal, improves the dynamic stability of agitating shaft；Cooling jacket is set, for reducing heat transfer of the kettle to annular seal space, while cooling chamber is set in quiet flange, preferably reduces transmission of the heat to annular seal space.
Description
Technical field
The present invention relates to mechanical seal structure, especially a kind of mechanical seal structure of reactor agitating shaft.
Background technology
Reactor is the key equipment of Chemical Manufacture, and reactor stirring shaft mechanical seal is then the critical component of reactor,
It is Safe production of chemical industry the first line of defence, the mechanical seal for studying reactor agitating shaft is extremely important.Existing mechanical seal is easy
In " dry operating " state, stirring shaft vibration, play are big, and installation accuracy is low, and medium, which reacts, causes working conditions change, and seal face is easy
Deformation.So needing the sealing structure that designs a mechanism, reactor can be met to sealed reliable, the requirement of work safety.
The content of the invention
The technical problem to be solved in the present invention is：Based on above mentioned problem, there is provided one kind can meet reactor to sealed reliable,
The mechanical seal structure of the reactor agitating shaft of work safety requirement.
The technical solution adopted for the present invention to solve the technical problems is：A kind of mechanical seal knot of reactor agitating shaft
Structure, the mechanical seal structure include agitating shaft, quiet flange, dynamic flange, side medium mechanical seal chamber, first and second stationary ring, atmospheric side
Mechanical seal chamber and first and second rotating ring, on the basis of use direction, the dynamic flange, side medium mechanical seal chamber, atmospheric side machine
Tool annular seal space and quiet flange are sheathed on the outside of agitating shaft successively from top to bottom, on the lower end of side medium mechanical seal chamber and quiet flange
End sealing is connected, and first and second stationary ring seals respectively is fixedly arranged on quiet flange upper end inner side and dynamic flange lower end inside, positioned at side medium
The first rotating ring on the outside of mechanical seal chamber and the second rotating ring on the outside of atmospheric side mechanical seal chamber, the second rotating ring upper end and the
Two stationary ring lower ends are in sealing contact, and the mechanical seal structure also includes outer loop sealing capability, the outer loop sealing liquid system
System has an additional pressure type storage tank, and the storage tank is set by pipeline and cooling liquid bath UNICOM between the quiet flange and dynamic flange
There is a cooling jacket, the coolant in the cooling jacket has cooling chamber by pipeline and storage tank UNICOM, the quiet flange, and this is cold
But chamber and storage tank are provided with auxiliary bearing by pipeline UNICOM above the dynamic flange.
Further, it is provided with heat exchange coil in the storage tank.
Further, the storage tank carries out pressurized control by high-pressure nitrogen bottle.
Further, the storage tank and the pipeline of cooling liquid bath UNICOM are provided with circulating pump.
The beneficial effects of the invention are as follows：
1. use double mechanical seal, there is provided outer loop sealing liquid, sealing liquid pressure is higher than medium lateral pressure, for machine
Tool sealing carries out resistance envelope, lubrication and cooling, prevents the generation of " dry operating "；
2. setting up auxiliary bearing in the upper end of mechanical seal, the dynamic stability of agitating shaft is improved, and mechanical seal is filled
The position nearest from auxiliary bearing is put, so as to improve the stability of mechanical seal operating；
3. setting cooling jacket, for reducing heat transfer of the kettle to annular seal space, while cooling chamber is set in quiet flange, added
Circulating cooling liquid, preferably reduce transmission of the heat to annular seal space.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention.
In figure：1. agitating shaft, 2. quiet flanges, 3. dynamic flanges, 4. side medium mechanical seal chambers, 5. first stationary rings, 6. second
Stationary ring, 7. atmospheric side mechanical seal chambers, 8. first rotating rings, 9. second rotating rings, 10. storage tanks, 11. cooling liquid baths, 12. cooling folders
Set, 13. auxiliary bearings, 14. heat exchange coils, 15. high-pressure nitrogen bottles.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, a kind of mechanical seal structure of reactor agitating shaft, the mechanical seal structure includes agitating shaft 1, quiet
Flange 2, dynamic flange 3, side medium mechanical seal chamber 4, first and second stationary ring 5,6, atmospheric side mechanical seal chamber 7 and first and second rotating ring
8th, 9, on the basis of use direction, flange 3, side medium mechanical seal chamber 4, atmospheric side mechanical seal chamber 7 and quiet flange 2 are moved from upper
The outside of agitating shaft 1 is sheathed under and successively, the lower end of side medium mechanical seal chamber 4 is connected with the sealing of the quiet upper end of flange 2, first,
Two stationary rings 5,6 seal respectively is fixedly arranged on the quiet upper end of flange 2 inner side and the lower end inside of dynamic flange 3, positioned at side medium mechanical seal chamber 4
First rotating ring in outside and the second rotating ring 9 positioned at the outside of atmospheric side mechanical seal chamber 7, the upper end of the second rotating ring 9 and the second stationary ring 6
Lower end is in sealing contact, and mechanical seal structure also includes outer loop sealing capability, and outer loop sealing capability has an external pressurized
Formula storage tank 10, storage tank 10 is by pipeline and cools down the UNICOM of liquid bath 11, and cooling jacket 12 is provided between quiet flange 2 and dynamic flange 3, cold
But the coolant in chuck 12 has cooling chamber by pipeline and the UNICOM of storage tank 10, quiet flange 2, and the cooling chamber passes through with storage tank 10
Pipeline UNICOM, the top of dynamic flange 3 are provided with auxiliary bearing 13.Heat exchange coil 14 is provided with storage tank 10.Storage tank 10 passes through height
Nitrogen cylinder 15 is pressed to carry out pressurized control.Storage tank 10 and the pipeline of cooling liquid bath 11 UNICOM are provided with circulating pump.
When needing, the circulation of coolant in storage tank 10 is carried out using circulating pump, while cooling jacket is carried out using circulating pump
The circulation of coolant in 12, so as to which the cooling of outer loop be effectively ensured.Cooling chamber is set in quiet flange 2, adds circulating cooling
Liquid, preferably reduce transmission of the heat to two annular seal spaces.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (4)
1. a kind of mechanical seal structure of reactor agitating shaft, the mechanical seal structure includes agitating shaft (1), quiet flange (2), moved
Flange (3), side medium mechanical seal chamber (4), first and second stationary ring (5,6), atmospheric side mechanical seal chamber (7) and first and second rotating ring
(8,9), on the basis of use direction, the dynamic flange (3), side medium mechanical seal chamber (4), atmospheric side mechanical seal chamber (7)
It is sheathed on successively from top to bottom on the outside of agitating shaft (1) with quiet flange (2), lower end and the quiet flange of side medium mechanical seal chamber (4)
(2) upper end sealing is connected, and first and second stationary ring (5,6) seals respectively to be fixedly arranged on the inside of quiet flange (2) upper end and under dynamic flange (3)
End inner side, the first rotating ring (8) on the outside of side medium mechanical seal chamber (4) and on the outside of atmospheric side mechanical seal chamber (7)
The second rotating ring (9), the second rotating ring (9) upper end and the second stationary ring (6) lower end are in sealing contact, it is characterised in that：The machinery is close
Seal structure also includes outer loop sealing capability, and the outer loop sealing capability has an additional pressure type storage tank (10), described
Storage tank (10) is provided with cooling jacket by pipeline and cooling liquid bath (11) UNICOM between the quiet flange (2) and dynamic flange (3)
(12), the coolant in the cooling jacket (12) has cooling by pipeline and storage tank (10) UNICOM, the quiet flange (2)
Chamber, the cooling chamber and storage tank (10) are provided with auxiliary bearing (13) by pipeline UNICOM above the dynamic flange (3).
A kind of 2. mechanical seal structure of reactor agitating shaft according to claim 1, it is characterised in that：The storage tank
(10) heat exchange coil (14) is provided with.
A kind of 3. mechanical seal structure of reactor agitating shaft according to claim 1, it is characterised in that：The storage tank
(10) pressurized control is carried out by high-pressure nitrogen bottle (15).
A kind of 4. mechanical seal structure of reactor agitating shaft according to claim 1, it is characterised in that：The storage tank
(10) pipeline with cooling liquid bath (11) UNICOM is provided with circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737095.9A CN107339437A (en) | 2017-08-24 | 2017-08-24 | A kind of mechanical seal structure of reactor agitating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737095.9A CN107339437A (en) | 2017-08-24 | 2017-08-24 | A kind of mechanical seal structure of reactor agitating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107339437A true CN107339437A (en) | 2017-11-10 |
Family
ID=60215492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710737095.9A Withdrawn CN107339437A (en) | 2017-08-24 | 2017-08-24 | A kind of mechanical seal structure of reactor agitating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339437A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630686A (en) * | 2018-12-21 | 2019-04-16 | 中化蓝天氟材料有限公司 | A kind of combination sealing system of reaction kettle agitating shaft and its application |
| CN110005817A (en) * | 2019-03-15 | 2019-07-12 | 中广核工程有限公司 | A kind of containment heat derives mechanical seal for pump and auxiliary system devices |
| CN111249995A (en) * | 2018-11-30 | 2020-06-09 | 中昊晨光化工研究院有限公司 | Reaction kettle mechanical seal pressurization protection device and protection method |
| CN113028064A (en) * | 2021-03-18 | 2021-06-25 | 北京航天石化技术装备工程有限公司 | Mechanical seal and pressure-reducing and temperature-reducing system and method for water circulating pump of high-pressure furnace |
-
2017
- 2017-08-24 CN CN201710737095.9A patent/CN107339437A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249995A (en) * | 2018-11-30 | 2020-06-09 | 中昊晨光化工研究院有限公司 | Reaction kettle mechanical seal pressurization protection device and protection method |
| CN109630686A (en) * | 2018-12-21 | 2019-04-16 | 中化蓝天氟材料有限公司 | A kind of combination sealing system of reaction kettle agitating shaft and its application |
| CN109630686B (en) * | 2018-12-21 | 2020-08-28 | 中化蓝天氟材料有限公司 | Combined sealing system of reaction kettle stirring shaft and application thereof |
| CN110005817A (en) * | 2019-03-15 | 2019-07-12 | 中广核工程有限公司 | A kind of containment heat derives mechanical seal for pump and auxiliary system devices |
| CN113028064A (en) * | 2021-03-18 | 2021-06-25 | 北京航天石化技术装备工程有限公司 | Mechanical seal and pressure-reducing and temperature-reducing system and method for water circulating pump of high-pressure furnace |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171110 |
|
| WW01 | Invention patent application withdrawn after publication |