CN205805996U - A kind of vertical submerged pump shaft seal structure - Google Patents
A kind of vertical submerged pump shaft seal structure Download PDFInfo
- Publication number
- CN205805996U CN205805996U CN201620798242.4U CN201620798242U CN205805996U CN 205805996 U CN205805996 U CN 205805996U CN 201620798242 U CN201620798242 U CN 201620798242U CN 205805996 U CN205805996 U CN 205805996U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pump shaft
- support
- stuffing box
- sealing
- 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.)
- Expired - Fee Related
Links
Abstract
This utility model relates to a kind of vertical submerged pump shaft seal structure, belongs to fluid machinery field of sealing technology.Shaft seal structure of the present utility model, is connected by upper skeleton oil sealing sealing between support of bearing top and pump shaft；The support of bearing is provided with the stuffing box of built-in filler with propping up on the pump shaft of stay tube joint；Prop up and be connected by lower skeleton oil sealing sealing between axle sleeve and the pump shaft of inwall in the middle part of stay tube；The middle part of stuffing box is provided with flushing seal ring, rinses seal ring and is connected with nitrogen pipeline by flush pipe.This utility model submerged pump shaft seal structure uses multi-sealing structure, improves the reliability of axle envelope；Using inert nitrogen gas to sealflush, on the one hand nitrogen can stop the leakage of titanium tetrachloride medium, high sealing reliability；On the other hand the heat of filler position can be taken away by nitrogen, extends the service life of filler.
Description
Technical field
This utility model relates to a kind of vertical submerged pump shaft seal structure, belongs to fluid machinery field of sealing technology.
Background technology
Titanium tetrachloride is colourless or slightly yellow liquid, irritant tart flavour.It is heated or meets water decomposition heat release, releasing poisonous
Corrosive fume.There is stronger corrosivity.
Suck this product smog, upper respiratory tract mucosa intense stimulus symptom can be caused.Calomel poisoning has asthmatic bronchitis
Symptom；There is dyspnea in severe patient, breathes pulse and accelerates, and body temperature raises, cough, and expectoration etc. can develop into pulmonary edema.Skin
Directly contact its liquid, third-degree burn can be caused, seen from after healing, have xanthein calm.
Above characteristic based on titanium tetrachloride, should avoid during operation producing smog as far as possible, prevent smog and steam to be discharged into
In workplace air, especially it is noted that avoid contacting with water.
In prior art, tradition titanium tetrachloride vertical submerged pump shaft seal structure is as it is shown in figure 1, prop up stay tube and the support of bearing
The pump shaft position connected only relies on filler and seals, and as filler weares and teares through long time running, causes seal failure, because bearing props up
Frame is unenclosed construction, and lower section titanium tetrachloride medium volatilizees, and will be directly leaked in air, and damage people；It addition, pump exists
In operation process, filler and axle frictional heat, but this heat cannot be taken away, and the heat of output also can accelerate the mill of filler and axle
Damage, cause seal failure.
Utility model content
The purpose of this utility model is the poorly sealed of solution traditional structure, and filler frictional heat cannot be taken away, and provides
A kind of vertical submerged pump shaft seal structure.
The purpose of this utility model is achieved through the following technical solutions:
A kind of vertical submerged pump shaft seal structure of the present utility model, including stay tube, the support of bearing, stuffing box, a filler, fills out
Material gland, entrance flush pipe, outside framework oil seal, flushing seal ring, outlet flush pipe；
The support of bearing is the most equal sealing sleeve structure with connected unit, the upper connected unit center of the support of bearing have with
The axle connecting hole that pump shaft external diameter matches, the lower connected unit center of the support of bearing has the stuffing box matched with stuffing box profile
Installing hole；
Propping up stay tube is the tubular construction that internal diameter is more than pump shaft external diameter, and the outer, upper end of a stay tube extends outward connected unit,
In propping up the upper end of stay tube, edge is machined with the stuffing box mounting groove matched with stuffing box profile, and the middle part inwall of a stay tube is fixed with
Axle sleeve with oil sealing mounting groove；
The support of bearing is socketed in the lower end, bearing position of pump shaft, and support of bearing upper end is fixed with bearing housing lower end, and bearing props up
It is connected by upper skeleton oil sealing sealing between frame top and pump shaft；The lower end of the support of bearing is propped up on stay tube be socketed on pump shaft
End is fixing, and is provided with the stuffing box of built-in filler on the pump shaft of the support of bearing and a stay tube joint, and stuffing box upper end is passed through
Fixing gland, makes the filler in stuffing box compress；Prop up in the middle part of stay tube oily by lower skeleton between axle sleeve and the pump shaft of inwall
Envelope is tightly connected；The middle part of stuffing box is provided with flushing seal ring, draws entrance at the flushing seal ring of stuffing box outside the support of bearing
Flush pipe, entrance flush pipe is connected with nitrogen generation pipeline, and the extraction out above of the lower skeleton oil sealing installation position of a stay tube goes out
Mouth flush pipe, outlet flush pipe is connected with nitrogen adsorption pipeline.
Support of bearing sidewall has window, to be convenient for changing filler, window connects can the sealing lid of folding, seal lid with
Sealed by sealing gasket between window.
Have collection hole above support of bearing sidewall, when the toxic gas of support of bearing inner chamber reaches a certain amount of, can lead to
Cross this collection hole, toxic gas is drawn.
Beneficial effect
This utility model submerged pump shaft seal structure uses multi-sealing structure, improves the reliability of axle envelope；Use inertia
Gas nitrogen is sealflushed, and on the one hand nitrogen can stop the leakage of titanium tetrachloride medium, high sealing reliability；The opposing party
The heat of filler position can be taken away by face nitrogen, extends the service life of filler.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model vertical submerged pump shaft seal structure；
Wherein: 1-props up stay tube, the 2-support of bearing, 3-stuffing box, 4-filler, 5-entrance flush pipe, 6-upper skeleton oil sealing, 7-
Gland, 8-seal cage, 9-export flush pipe, 10-lower skeleton oil sealing.
Detailed description of the invention
With embodiment, content of the present utility model is further described below in conjunction with the accompanying drawings:
Embodiment
A kind of vertical submerged pump shaft seal structure of the present utility model, as it is shown in figure 1, include stay tube 1, a support of bearing 2, fill out
Hopper 3, gland 7, filler 4, entrance flush pipe 5, outside framework oil seal, flushing seal ring 8, outlet flush pipe 9；
The support of bearing 2 is the most equal sealing sleeve structure with connected unit, and the upper connected unit center of the support of bearing 2 has
The axle connecting hole matched with pump shaft external diameter, the lower connected unit center of the support of bearing 2 has and filling out that stuffing box profile matches
Hopper installing hole；
Propping up stay tube 1 and be more than the tubular construction of pump shaft external diameter for internal diameter, the outer, upper end of a stay tube 1 extends outward connection
Platform, along being machined with the stuffing box mounting groove matched with stuffing box profile in the upper end of a stay tube 1, the middle part inwall of a stay tube 1
It is fixed with the axle sleeve of band oil sealing mounting groove；
The support of bearing 2 is socketed in the lower end, bearing position of pump shaft, and the support of bearing 2 upper end is fixed with bearing housing lower end, and bearing
It is tightly connected by upper skeleton oil sealing 6 between support 2 top and pump shaft；The lower end of the support of bearing 2 and propping up of being socketed on pump shaft
Stay tube 1 upper end is fixed, and is provided with the stuffing box 3 of built-in filler 4, filler on the pump shaft of the support of bearing 2 and stay tube 1 joint
Case 3 upper end, by fixing gland 7, makes the filler 4 in stuffing box 3 compress；In the middle part of stay tube 1 axle sleeve of inwall and pump shaft it
Between be tightly connected by lower skeleton oil sealing 11；The middle part of stuffing box 3 be provided with flushing seal ring 8, at the flushing seal ring of stuffing box 3 to
The support of bearing 2 is outer draws entrance flush pipe 5, and entrance flush pipe 5 is connected with nitrogen generation pipeline, the lower skeleton oil sealing of a stay tube 1
The outlet flush pipe 9 of extraction out above of 11 installation positions, outlet flush pipe 9 is connected with nitrogen adsorption pipeline.
The support of bearing 2 sidewall has window, to be convenient for changing filler 4, window connects can the sealing lid of folding, seal lid
And sealed by sealing gasket between window.
Have collection hole above the support of bearing 2 sidewall, when the toxic gas of support of bearing inner chamber reaches a certain amount of, can lead to
Cross this collection hole, toxic gas is drawn.
Claims (3)
1. a vertical submerged pump shaft seal structure, is characterized in that: include stay tube, the support of bearing, stuffing box, filler, a filler pressure
Lid, entrance flush pipe, outside framework oil seal, flushing seal ring, outlet flush pipe；
The support of bearing is the most equal sealing sleeve structure with connected unit, and the upper connected unit center of the support of bearing has and pump shaft
The axle connecting hole that external diameter matches, the lower connected unit center of the support of bearing has the stuffing box matched with stuffing box profile and installs
Hole；
Propping up stay tube is the tubular construction that internal diameter is more than pump shaft external diameter, and the outer, upper end of a stay tube extends outward connected unit, supports
Along being machined with the stuffing box mounting groove matched with stuffing box profile in the upper end of pipe, the middle part inwall of a stay tube is fixed with band oil
The axle sleeve of envelope mounting groove；
The support of bearing is socketed in the lower end, bearing position of pump shaft, and support of bearing upper end is fixed with bearing housing lower end, and on the support of bearing
It is connected by upper skeleton oil sealing sealing between portion with pump shaft；The lower end of the support of bearing is solid with the stay tube upper end being socketed on pump shaft
Determining, and be provided with the stuffing box of built-in filler on the pump shaft of the support of bearing and a stay tube joint, stuffing box upper end is by fixing
Gland, makes the filler in stuffing box compress；Prop up in the middle part of stay tube close by lower skeleton oil sealing between axle sleeve and the pump shaft of inwall
Envelope connects；The middle part of stuffing box is provided with flushing seal ring, draws entrance and rinse at the flushing seal ring of stuffing box outside the support of bearing
Pipe, entrance flush pipe is connected with nitrogen generation pipeline, the outlet punching of extraction out above of the lower skeleton oil sealing installation position of a stay tube
Washing pipe, outlet flush pipe is connected with nitrogen adsorption pipeline.
2. a kind of vertical submerged pump shaft seal structure as claimed in claim 1, is characterized in that: support of bearing sidewall has window,
Connect on window can the sealing lid of folding, seal and sealed by sealing gasket between lid and window.
3. a kind of vertical submerged pump shaft seal structure as claimed in claim 1, is characterized in that: have receipts above support of bearing sidewall
Collection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798242.4U CN205805996U (en) | 2016-07-26 | 2016-07-26 | A kind of vertical submerged pump shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798242.4U CN205805996U (en) | 2016-07-26 | 2016-07-26 | A kind of vertical submerged pump shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805996U true CN205805996U (en) | 2016-12-14 |
Family
ID=57507408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620798242.4U Expired - Fee Related CN205805996U (en) | 2016-07-26 | 2016-07-26 | A kind of vertical submerged pump shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454431A (en) * | 2019-09-17 | 2019-11-15 | 苏州沃达园林机械有限公司 | The cold lubrication system of oil of submersible pump mechanical seal |
-
2016
- 2016-07-26 CN CN201620798242.4U patent/CN205805996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454431A (en) * | 2019-09-17 | 2019-11-15 | 苏州沃达园林机械有限公司 | The cold lubrication system of oil of submersible pump mechanical seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011119749A3 (en) | Double sealing labyrinth chamber for use with a downhole electrical submersible pump | |
| CN205805996U (en) | A kind of vertical submerged pump shaft seal structure | |
| CN209690071U (en) | A kind of valve production detection water test unit | |
| CN107366510A (en) | A kind of down-hole plugging device and actuating oil-pumping unit with pressure, the workover treatment technology of oil pipe | |
| CN204831860U (en) | Associated gas hydrogen sulfide sampling device | |
| CN206054724U (en) | A kind of negative pressure sealing device for housing of confined space | |
| CN102109403A (en) | Leakage detector of welding seam of container | |
| CN206016755U (en) | A kind of sucker rod pump snubbing serving down-hole plugging device | |
| CN205412479U (en) | Cold well device | |
| CN206753568U (en) | A kind of ultrasonic pressure balanced probe head for three-phase flow logging instrument | |
| CN201688951U (en) | Welding seam leakage detecting box | |
| CN108760159A (en) | It is a kind of to use SF6Gas carries out the device and method of shell leak detection | |
| CN204691696U (en) | A kind of high-temperature metal sealing petroleum tube connector | |
| CN208247561U (en) | A kind of overload jointing mechanism | |
| CN209308105U (en) | Equipment for pumping ground water | |
| CN219774328U (en) | Directional pumping device for liquid ammonia pump filler leakage | |
| CN205593714U (en) | Automobile exhaust switching pipe leak hunting device | |
| CN209231119U (en) | A kind of electromechanical installation water pipe water filling pressure device | |
| CN109029867B (en) | Method for determining suction capacity of vacuum equipment | |
| CN207935500U (en) | A kind of explosion-proof anticreep valve module | |
| CN208417938U (en) | Sensor fixing structure in pipeline with pressure | |
| CN205743820U (en) | A kind of down-hole plugging device | |
| CN205948552U (en) | Spray tower | |
| CN205805100U (en) | Air hermetic preserved contact net tubular steel post | |
| CN218807908U (en) | Closed hydrogen peroxide storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180726 |