CN103334718A - Device for recovering dirty oil leaked due to mechanical seal of thick oil transportation centrifugal pump - Google Patents
Device for recovering dirty oil leaked due to mechanical seal of thick oil transportation centrifugal pump Download PDFInfo
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- CN103334718A CN103334718A CN201310236213XA CN201310236213A CN103334718A CN 103334718 A CN103334718 A CN 103334718A CN 201310236213X A CN201310236213X A CN 201310236213XA CN 201310236213 A CN201310236213 A CN 201310236213A CN 103334718 A CN103334718 A CN 103334718A
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Abstract
The invention discloses a device for recovering dirty oil leaked due to mechanical seal of a thick oil transportation centrifugal pump. The device comprises an oil receiving box (23) for accommodating dirty oil, and further comprises a press-in device, wherein a first self-sealing valve (51) is arranged on the side wall of the oil receiving box (23); a second self-sealing valve (52) is arranged on the oil transportation pipeline (22) of the centrifugal pump, and is connected with the first self-sealing valve (51) correspondingly; the press-in device can press dirty oil in the oil receiving box (23) into the oil transportation pipeline (22) of the centrifugal pump through the first self-sealing valve (51) and the second self-sealing valve (52) in sequence. Due to the adoption of the device, environment pollution and resource waste caused by dirty oil treatment can be eliminated; the sanitary condition of a transfer pump room can be improved; the labor intensity of employees can be reduced; the work efficiency can be improved.
Description
Technical field
The present invention relates to the oil exploration equipment field, particularly a kind of in the oil exploitation process, reclaim the into device of system for viscous crude, super viscous crude, special heavy oil production station Crude Oil Transportation centrifugal pump mechanical seal leakage sump oil.
Background technology
In oil field development, viscous crude, super viscous crude, special heavy oil production station, because being subjected to the high influence of viscosity, there is the serious problem of mechanical seal leakage sump oil in employed centrifugal pump during crude oil transfers in the pump operation process.Can lose flowability very soon because the sump oil viscosity of leakage is high, so adding the processing sump oil technology of accompanying heat to advance blowdown drum, can't use traditional employing funnel connecting line, can only adopt the sump oil box to be placed on pump leakage of oil point connects oily mode and produces, there are problems in this kind mode in handling the sump oil process: after one, sump oil is poured into blowdown drum, because of viscous crude, super viscous crude, special viscous crude field amount of natural gas low, the sump oil of pouring slop tank into changes presses the oil difficulty, generally all adopts the place to topple over; Two, the place is toppled over and is had environmental pollution problem; Three, the place is toppled over and is had wasting of resources problem; Four, topple in the operation at sump oil, the employee will carry at a distance, cleaning sump oil box, and numerous and diverse easily dirty work such as sanitization, not only time-consuming but also require great effort.Five, because handle in the sump oil strange land and the limitation for the treatment of technology, scene and the track route of handling sump oil polluted, make pump and recover the oil station sanitary condition variation.
Summary of the invention
For the sump oil that solves viscous crude oil transportation centrifugal pump mechanical seal leakage in the prior art is toppled over the back technical problem of contaminated environment easily, the invention provides a kind of viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil and reclaim the into device of system, this viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims into, and the device of system can reclaim into oil collecting system with the sump oil of leakage, can stop sump oil and handle pollution and the wasting of resources that causes to environment, improve oil transportation pump house sanitary condition, alleviate staff labor intensity, increase work efficiency.
The present invention for the technical scheme that solves its technical problem employing is: a kind of viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the into device of system, comprise be used to the swab case that holds sump oil, the sidewall of swab case is provided with the first self-styled valve, the petroleum pipeline of centrifugal pump is provided with the second self-styled valve, the first self-styled valve and the corresponding connection of the second self-styled valve, described viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaim the device of system into and also comprise and the sump oil in the swab case can be pressed into press-in device in the petroleum pipeline of centrifugal pump by the first self-styled valve and the second self-styled valve successively.
Described press-in device comprises the base platform of fixedlying connected with the petroleum pipeline of centrifugal pump, the upper fixed of base platform is connected with upper mounting plate, swab case is arranged between base platform and the upper mounting plate, swab case is the tubular of end sealing, the openend of swab case is towards upper mounting plate, the blind end of swab case is towards base platform, and described press-in device also comprises the piston that is arranged in the swab case, and an end of piston rod can pass upper mounting plate fixedlys connected with piston.
Piston rod is leading screw, and piston rod is socketed with copper sheathing outward, and copper sheathing is arranged on the top of upper mounting plate, is provided with the internal thread that is complementary with described leading screw in the copper sheathing, and copper sheathing can serve as the axle rotation with the axis of piston rod and piston rod is moved along axis.
The top of upper mounting plate is the fixedly connected copper sheathing gland that is useful on the fixed copper cover also, the outer fixedly sleeved handwheel that rotates copper sheathing that is useful on of copper sheathing.
Swab case is the tubular of end sealing, and the first self-styled valve is arranged on the blind end of swab case; The first self-styled valve comprises the self-styled valve male joint of the butt joint of tubular, the bottom of docking self-styled valve male joint is provided with conical outlet, dock and be connected with butt joint self-styled valve spring retainer, spring and the self-styled valve male of butt joint spool in the self-styled valve male joint from the top down in turn, dock the lower end of self-styled valve male spool and the inwall of described conical outlet and be complementary; The second self-styled valve comprises the self-styled valve female joint of the butt joint of tubular, dock and be provided with the grafting chamber of pegging graft for the self-styled valve male joint of butt joint in the top of self-styled valve female joint, be provided with the conical entrance corresponding with described conical outlet in the bottom in grafting chamber, dock to establish in the bottom of self-styled valve female joint and be connected with butt joint self-styled valve female spool, spring and the self-styled valve spring retainer of butt joint from the top down in turn, dock the upper end of self-styled valve female spool and the inwall of described conical entrance and be complementary; Dock the lower end and the upper end butt that docks self-styled valve female spool of self-styled valve male spool.
The sidewall in grafting chamber is provided with a plurality of lock pearls through hole is installed, described lock pearl is installed and is provided with the lock pearl in the through hole, the grafting chamber is at the diameter of the wall thickness that is provided with the sidewall of locking Zhu Chu less than the lock pearl, described grafting is arranged with lock ring outside the chamber, the position of lock ring is corresponding with the position of lock pearl, the inwall of lock ring is provided with first groove corresponding with locking pearl, and lock ring can serve as that axle rotates with the axis that docks self-styled valve female joint, and the outer wall that docks self-styled valve male joint is provided with the annular groove corresponding with lock ring.
Described a plurality of lock pearl is installed through hole circumferentially evenly distributing along the grafting chamber, the top of docking self-styled valve female joint is provided with for the fixing rudder shape nut of lock ring, rudder shape nut edge evenly is provided with a plurality of projections, the quantity of projection is the twice of lock pearl quantity, lock ring is fixedly connected with handle outward, lock ring also is fixedly connected with the handle bayonet lock that vertically arranges outward, and vertically, the distance between handle and the projection is less than the length of handle bayonet lock.
The first self-styled valve is arranged on the blind end of swab case, is provided with oil-scraping ring between the blind end of swab case and piston, and oil-scraping ring is connected with swab case by spring, and oil-scraping ring is disposed radially a plurality of oil scraping plates, is through hole between two adjacent oil scraping plates.
The bottom of swab case vertically is provided with a plurality of swab case base standpipes, swab case base standpipe is the tubular of end sealing, swab case base standpipe is corresponding one by one with spring, one end of spring is connected with the bottom of oil-scraping ring, the other end of spring is plugged in the swab case base standpipe, be provided with the oil-scraping ring column of fixedlying connected with oil-scraping ring in the spring, swab case base standpipe is plugged in the swab case base standpipe jack of base platform.
Between the blind end and piston of swab case, be provided with first pressure release passage and second pressure release passage in the sidewall of swab case, can be successively in the swab case external communications by first pressure release passage and second pressure release passage and swab case, extremely blocking up of connecting successively, spring and ball sealer are set in second pressure release passage.
The invention has the beneficial effects as follows:
1, stops sump oil and handle the pollution that causes to environment.
2, make sump oil effectively reclaim the waste that oil collecting system reduces the energy.
3, by the application of swab case and airtight pressure oil tech, the processing sump oil is once finished, improve oil transportation pump house sanitary condition.
4, the staff labor intensity that alleviates simple to operate is increased work efficiency.
Description of drawings
Reclaiming into below in conjunction with accompanying drawing to viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil of the present invention, the device of system is described in further detail.
Fig. 1 is that viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the into assembling drawing of the device of system.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of base platform among Fig. 1.
Fig. 4 is the upward view of upper mounting plate among Fig. 1.
Fig. 5 is the sectional view of lock ring among Fig. 1.
Fig. 6 be among Fig. 5 lock ring along the sectional view of A-A line.
Fig. 7 be among Fig. 5 lock ring along the sectional view of B-B line.
Fig. 8 is the vertical view of Fig. 1 centered rudder shape nut.
Fig. 9 is the schematic diagram that the first self-styled valve and the second self-styled valve are in locking state.
Figure 10 is the schematic diagram that the first self-styled valve and the second self-styled valve were in released state after lock ring rotated 90 °.
Figure 11 is the vertical view of the self-styled valve spring retainer of butt joint among Fig. 1.
Figure 12 is the vertical view of oil scraping plate among Fig. 1.
Figure 13 is the upward view of oil scraping plate among Fig. 1.
Figure 14 is the front view of swab case among Fig. 1.
Figure 15 is the upward view of swab case among Figure 14.
Figure 16 is the zoomed-in view in the swab case lower right corner among Fig. 1.
Figure 17 is that viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the into working state schematic representation of the device of system.
Wherein 1. piston rods, 2. copper sheathing, 3. handwheel pressure-pad screw, 4. handwheel, 5. copper sheathing gland, 6. copper sheathing bearing, 7. copper sheathing bearing element gasket ring, 8. upper mounting plate is 9. extremely stifled, 10. bolt, the locked screw of 11. pistons, 12. piston packings, 13. spring, 14. seal gaskets, 15. handle bayonet locks, 16. handle, 17. swab case base standpipes, the self-styled valve spring retainer of 18. butt joints, 19. control valve, 20. joints, 21. base platforms, 22. the petroleum pipeline of centrifugal pump, 23. swab cases, 24. handles, 25. piston, 26. oil-scraping rings, the self-styled valve male joint of 27. butt joints, 28. ball sealer, 29. rudder shape nuts, 291. projections, 30. lock ring, 301. first grooves, 31. lock pearls, 32. dock self-styled valve female joint, 33. dock self-styled valve seals, the self-styled valve male spool of 34. butt joints, the self-styled valve female spool of 35. butt joints, 36. bolt male and female slotted eye, 37. swab case base standpipe jack, 38. locked, 39. faces of unblanking, 40. oil scraping plate, 41. the oil-scraping ring column, 42. connect oil drop, 43. handle bayonet lock connecting holes, 44. handrail, 45. second pressure release passage, 46. first pressure release passages, 50. grafting chambeies, 51. the first self-styled valve, 52. second self-styled valves.
The specific embodiment
Reclaiming into below in conjunction with accompanying drawing to viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil of the present invention, the device of system is elaborated.A kind of viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the into device of system, comprise be used to the swab case 23 that holds sump oil, the sidewall of swab case 23 is provided with the first self-styled valve 51, the petroleum pipeline 22 of centrifugal pump is provided with the second self-styled valve 52, the first self-styled valve 51 and the second self-styled valve 52 corresponding connections, described viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the device of system into and also comprises and the sump oil in the swab case 23 can be pressed into press-in device in the petroleum pipeline 22 of centrifugal pump by the first self-styled valve 51 and the second self-styled valve 52 successively, as Fig. 1, Fig. 2, shown in Figure 17.
Swab case 23 is demountable, in Figure 17, centrifugal pump holds at swab case 23 from the sump oil that connects oil drop 42 seepages, swab case 23 is put into the built-in pit shaft plugging device of this physical models of reservoir with swab case 23 after holding certain sump oil, make the first self-styled valve 51 and second self-styled valve 52 butt joints, press-in device can be pressed into the sump oil in the swab case 23 in the petroleum pipeline 22 of centrifugal pump by the first self-styled valve 51 and the second self-styled valve 52 successively, sump oil just can all reclaim like this, topple over the mode of sump oil compares with available technology adopting, the advantage of device provided by the present invention has 1, stop sump oil and handle the pollution that causes to environment, 2, make sump oil effectively reclaim the waste that oil collecting system reduces the energy, 3, application by swab case and airtight pressure oil tech, the processing sump oil is once finished, improved oil transportation pump house sanitary condition.4, the staff labor intensity that alleviates simple to operate is increased work efficiency.
Described press-in device can have numerous embodiments, described press-in device comprises the base platform 21 of fixedlying connected with the petroleum pipeline 22 of centrifugal pump in the present embodiment, the upper fixed of base platform 21 is connected with upper mounting plate 8, swab case 23 is arranged between base platform 21 and the upper mounting plate 8, swab case 23 is the tubular of end sealing, the openend of swab case 23 is towards upper mounting plate 8, the blind end of swab case 23 is towards base platform 21, described press-in device also comprises the piston 25 that is arranged in the swab case 23, one end of piston rod 1 can pass upper mounting plate 8 fixedlys connected with piston 25, as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4.Piston rod 1 can promote piston 25 is pressed in the petroleum pipeline 22 of centrifugal pump the sump oil in the swab case 23 successively by the first self-styled valve 51 and the second self-styled valve 52.Fixedly connected by bolt 10 between base platform 21 and the upper mounting plate 8, base platform 21 and upper mounting plate 8 are provided with bolt male and female slotted eye 36.The lower end of piston rod 1 also is arranged with the locked screw 11 of piston.
The general viscosity of sump oil is bigger, for the ease of sump oil can all being pressed in the petroleum pipeline 22 of centrifugal pump, piston rod 1 is leading screw, the piston rod 1 outer copper sheathing 2 that is socketed with, copper sheathing 2 is arranged on the top of upper mounting plate 8, be provided with the internal thread that is complementary with described leading screw in the copper sheathing 2, copper sheathing 2 can serve as that axle rotates and piston rod 1 is moved along axis with the axis of piston rod 1, and the bottom of copper sheathing 2 is provided with the annulus to outer lug.
The top of upper mounting plate 8 is the fixedly connected copper sheathing gland 5 that is useful on fixed copper cover 2 also, the copper sheathing 2 outer fixedly sleeved handwheels 4 that rotate copper sheathing 2 that are useful on.By rotating handwheel 4, can drive piston rod 1 and move back and forth vertically, thereby make piston 25 push the inner chamber of swab cases 23.In addition, be provided with copper sheathing bearing 6 and copper sheathing bearing element gasket ring 7 between copper sheathing 2 and the copper sheathing gland 5, also be provided with copper sheathing bearing 6 and copper sheathing bearing element gasket ring 7 between copper sheathing 2 and the upper mounting plate 8.
Swab case 23 is the tubular of end sealing, and the first self-styled valve 51 is arranged on the blind end of swab case 23; The self-styled valve male joint 27 of butt joint that the first self-styled valve 51 comprises tubular, the bottom of docking self-styled valve male joint 27 is provided with conical outlet, dock to be connected with in turn from the top down in the self-styled valve male joint 27 and dock self-styled valve spring retainer 18, spring 13 and dock self-styled valve male spool 34, dock the lower end of self-styled valve male spool 34 and the inwall of described conical outlet and be complementary; The self-styled valve female joint 32 of butt joint that the second self-styled valve 52 comprises tubular, dock and be provided with the grafting chamber 50 of pegging graft for the self-styled valve male joint 27 of butt joint in the top of self-styled valve female joint 32, be provided with the conical entrance corresponding with described conical outlet in the bottom in grafting chamber 50, dock to establish in the bottom of self-styled valve female joint 32 and be connected with butt joint self-styled valve female spool 35, spring 13 from the top down in turn and dock self-styled valve spring retainer 18, dock the upper end of self-styled valve female spool 35 and the inwall of described conical entrance and be complementary; Dock the lower end and the upper end butt that docks self-styled valve female spool 35 of self-styled valve male spool 34, as Fig. 9, Figure 10, shown in Figure 11.When the first self-styled valve 51 does not dock with the second self-styled valve 52, the self-styled valve male of the butt joint of the first self-styled valve 51 spool 34 docks self-styled valve male spool 34 under the effect of spring 13 lower end is plugged in the conical outlet of the bottom of docking self-styled valve male joint 27, thereby realize the self-styled of the first self-styled valve 51, in like manner, the second self-styled valve 52 also is self-styled like this.
When the needs first self-styled valve 51 and second self-styled valve 52 conductings, the first self-styled valve 51 and second self-styled valve 52 butt joints, as shown in Figure 9, the self-styled valve male of the butt joint of the first self-styled valve 51 spool 34 moves up, the self-styled valve female of the butt joint of the second self-styled valve 52 spool 35 moves down, the lower end of docking self-styled valve male spool 34 has formed passage with slit between the conical outlet of the bottom of docking self-styled valve male joint 27, the upper end of docking self-styled valve female spool 35 has formed passage with slit between the conical outlet on the top of docking self-styled valve female joint 32, dock self-styled valve spring retainer 18 and be provided with through hole, as shown in figure 11, just can realize the first self-styled valve 51 and second self-styled valve 52 conductings this moment.The size of the lower surface of the self-styled valve male spool 34 of preferred butt joint is identical with size and the shape of the upper surface of the self-styled valve female of shape and butt joint spool 35.In addition, be provided with the self-styled valve seals 33 of butt joint in the second self-styled valve 52.
In order to make the first self-styled valve 51 when docking, can keep relative fixed and sealing with the second self-styled valve 52, to prevent the secondary leakage of oil.The sidewall in grafting chamber 50 is provided with a plurality of lock pearls through hole is installed, described lock pearl is installed and is provided with lock pearl 31 in the through hole, grafting chamber 50 is at the diameter of the wall thickness that is provided with the sidewall of locking Zhu31Chu less than lock pearl 31, described grafting is arranged with lock ring 30 outside the chamber, the position of lock ring 30 is corresponding with the position of lock pearl 31, the inwall of lock ring 30 is provided with first groove 301 corresponding with locking pearl 31, lock ring 30 can serve as that axle rotates with the axis that docks self-styled valve female joint 32, the outer wall that docks self-styled valve male joint 27 is provided with the annular groove corresponding with lock ring 30, the cross section of this annular groove is trapezoidal, as Fig. 5, Fig. 6, shown in Figure 7.When the needs first self-styled valve 51 and the second self-styled valve 52 are in locking state, rotating lock ring 30 makes in lock pearl 31 and the lock ring 30 and does not have the surperficial corresponding of first groove 301, locked of namely locking pearl 31 and lock ring 30 inner surfaces is 38 corresponding, and can guarantee the first self-styled valve 51 and second self-styled valve 52 relative fixed this moment; When the needs first self-styled valve 51 and the second self-styled valve 52 are in unlocking condition, rotating lock ring 30 makes lock pearl 31 corresponding with first groove 301 in the lock ring 30, it is corresponding with the face of unblanking 39 of lock ring 30 inner surfaces namely to lock pearl 31, the first self-styled valve 51 is separated, as shown in figure 10 with second self-styled valve 52 dismountings.When the needs first self-styled valve 51 and the second self-styled valve 52 are in unlocking condition, the first self-styled valve 51 is moved upward, docking self-styled valve male joint 27 can clamp-on lock pearl 31 in first groove 301 of lock ring 30.
Described a plurality of lock pearl is installed through hole circumferentially evenly distributing along grafting chamber 50, the top of docking self-styled valve female joint 32 is provided with for the fixing rudder shape nut 29 of lock ring 30, as shown in Figure 8, rudder shape nut 29 edges evenly are provided with a plurality of projections 291, the quantity of projection 291 is twices of lock pearl 31 quantity, the lock ring 30 outer handles 16 that are fixedly connected with, the lock ring 30 outer handle bayonet locks 15 that vertically arrange that also are fixedly connected with, vertically, distance between handle 16 and the projection 291 is less than the length of handle bayonet lock 15, and lock ring 30 is provided with handle bayonet lock connecting hole 43.It is can clearly know that the first self-styled valve 51 and the second self-styled valve 52 are in unlocking condition or locking state for the ease of the user when rotating lock ring 30 that rudder shape nut 29 and handle bayonet lock 15 are set, and also is simultaneously to be convenient to operation.Distance between handle 16 and the projection 291 is less than the length of handle bayonet lock 15, handle 16 can only rotate between two adjacent projections 291 of rudder shape nut 29 like this, be that projection 291 can play spacing effect, when first projection 291 that turns to handle bayonet lock 15 when handle 16 contacts, the first self-styled valve 51 and the second self-styled valve 52 are in locking state, when handle 16 turns to another projection 291 adjacent with first projection 291 of handle bayonet lock 15 when contacting, the first self-styled valve 51 and the second self-styled valve 52 are in unlocking condition.
The first self-styled valve 51 is arranged on the blind end of swab case 23, between the blind end of swab case 23 and piston 25, be provided with oil-scraping ring 26, oil-scraping ring 26 is connected with swab case 23 by spring 13, oil-scraping ring 26 is disposed radially a plurality of oil scraping plates 40, oil scraping plate 40 is trapezoidal or leg-of-mutton stripe board for upright end face, be through hole between two adjacent oil scraping plates 40, as shown in Figure 12 and Figure 13.When piston rod 1 promotes the inner chamber of piston 25 extruding swab cases 23, piston 25 rotates with piston rod 1, oil scraping plate 40 sump oil of piston 25 bottom surfaces can be scraped off and from the through hole between two adjacent oil scraping plates 40 to dirty, thereby the utilization rate of sump oil is provided.
The bottom of swab case 23 vertically is provided with a plurality of swab case base standpipes 17, swab case base standpipe 17 is the tubular of end sealing, swab case base standpipe 17 is corresponding one by one with spring 13, one end of spring 13 is connected with the bottom of oil-scraping ring 26, the other end of spring 13 is plugged in the swab case base standpipe 17, be provided with the oil-scraping ring column 41 of fixedlying connected with oil-scraping ring 26 in the spring 13, swab case base standpipe 17 is plugged in the swab case base standpipe jack 37 of base platform 21.Oil-scraping ring column 41 is set not only can make swab case 23 keep relative fixed in this viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the device of system into, spring 13 is arranged wherein to save the space of swab case 23, as Figure 14, shown in Figure 15.In addition, swab case 23 is also established left and right sides handrail 44 and handle 24.
Between the blind end and piston 25 of swab case 23, be provided with first pressure release passage 46 and second pressure release passage 45 in the sidewall of swab case 23, can pass through the external communications of first pressure release passage 46 and second pressure release passage 45 and swab case 23 in the swab case 23 successively, connect successively dead stifled 9, spring 13 and ball sealer 28 are set, as shown in figure 16 in second pressure release passage 45.When needs unloaded swab case 23, piston 15 moved up the pressure in the swab case 23 is diminished, and said structure is set can makes the internal and external pressure balance that keeps swab case 23 when unloading swab case 23.
Introduce this viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil below and reclaim the into using method of the device of system.
As shown in figure 17, vacant swab case 23 is placed on meets oil drop place 42, the sump oil liquid level is raised to when locating about box mouth 30mm in observing swab case 23, and the right hand is held handle 24, and left hand buttresses handrail 44, removes swab case 23, puts backup cartridge simultaneously well.To fill swab case 23 flush ends of sump oil to base platform 21, make the self-styled valve male 27 of butt joint aim at the grafting chamber 50 of the self-styled valve female 32 of butt joint, adjust swab case base standpipe 17 simultaneously and aim at swab case base standpipe jack 37, transfer swab case 23 to the dead point, stir simultaneously handle 16 by a dead point to another dead point locked swab case 23, corresponding with lock pearl 31 to forward locked 38 to corresponding with lock pearl 31 even lock ring 30 is by the face of unblanking 39, dock self-styled valve male taper valve core 34 this moment and dock 35 pairs of roof pressures of self-styled valve female taper valve core, 13 springs that contract, make the self-styled valve male 27 of butt joint and dock self-styled valve female 32 and be in open mode.Clockwise rotate after handwheel 4 makes the first road piston packing 12 of piston 25 enter the box mouth of swab case 23, stop operating, after opening control valve 19, be rotated further handwheel 4 and make piston 25 to bottom dead centre, this moment, swab case 23 interior sump oils can be successively by entering in the petroleum pipeline 22 of centrifugal pump behind the first self-styled valve 51 and the second self-styled valve 52.Closed control valve 19 rotates counterclockwise handwheel 4 and makes piston 25 to top dead-centre.Stir handle 16 by a dead point to another dead point release swab case 23, even corresponding with lock pearl 31 to forward the face of unblanking 39 to corresponding with lock pearl 31 by locked 38 to make lock ring 30, the right hand is held handle 24, left hand buttresses handrail 44, upper end swab case 23 is removed, when the swab case 23 of upper end, dock self-styled valve male taper valve core 34 and to dock self-styled valve female taper valve core 35 self-styled under the effect of spring 13, end operation.In rotating counterclockwise handwheel 4 processes, oil-scraping ring 26 is under the effect of 3 springs 13, make trapezoidal oil scraping plate 40 and piston 25 lower planes interior contact of spring 13 elastic force distance, because piston 25 is done the rotation ascending motion in swab case 23, the sticking greasy dirt of therefore wiping piston 25 lower planes off enters in the swab case 23.When piston 25 is up, produce vacuum in the swab case 23, replenish air by second pressure release passage 45 and keep balances.
The above only is specific embodiments of the invention, can not limit the scope that invention is implemented with it, thus the displacement of its equivalent assemblies, or according to equivalent variations and modification that scope of patent protection of the present invention is done, all should still belong to the category that this patent is contained.
Claims (10)
1. a viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims the into device of system, it is characterized in that, described viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaims into, and the device of system comprises be used to the swab case that holds sump oil (23), the sidewall of swab case (23) is provided with the first self-styled valve (51), the petroleum pipeline of centrifugal pump (22) is provided with the second self-styled valve (52), the first self-styled valve (51) and the corresponding connection of the second self-styled valve (52), described viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil reclaim into, and the device of system also comprises the interior press-in device of petroleum pipeline (22) that the sump oil in the swab case (23) can be pressed into successively centrifugal pump by the first self-styled valve (51) and the second self-styled valve (52).
2. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 1 reclaims the into device of system, it is characterized in that: described press-in device comprises the base platform (21) of fixedlying connected with the petroleum pipeline (22) of centrifugal pump, the upper fixed of base platform (21) is connected with upper mounting plate (8), swab case (23) is arranged between base platform (21) and the upper mounting plate (8), swab case (23) is the tubular of end sealing, the openend of swab case (23) is towards upper mounting plate (8), the blind end of swab case (23) is towards base platform (21), described press-in device also comprises the piston (25) that is arranged in the swab case (23), and an end of piston rod (1) can pass upper mounting plate (8) fixedlys connected with piston (25).
3. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 2 reclaims the into device of system, it is characterized in that: piston rod (1) is leading screw, the outer copper sheathing (2) that is socketed with of piston rod (1), copper sheathing (2) is arranged on the top of upper mounting plate (8), copper sheathing is provided with the internal thread that is complementary with described leading screw in (2), and copper sheathing (2) can serve as the axle rotation with the axis of piston rod (1) and piston rod (1) is moved along axis.
4. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 3 reclaims the into device of system, it is characterized in that: the top of upper mounting plate (8) is the fixedly connected copper sheathing gland (5) that is useful on fixed copper cover (2) also, the outer fixedly sleeved handwheel (4) that rotates copper sheathing (2) that is useful on of copper sheathing (2).
5. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 1 reclaims the into device of system, and it is characterized in that: swab case (23) is the tubular of end sealing, and the first self-styled valve (51) is arranged on the blind end of swab case (23);
The first self-styled valve (51) comprises the self-styled valve male joint of butt joint (27) of tubular, the bottom of docking self-styled valve male joint (27) is provided with conical outlet, dock and be connected with butt joint self-styled valve spring retainer (18), spring (13) and butt joint self-styled valve male spool (34) in the self-styled valve male joint (27) from the top down in turn, dock the lower end of self-styled valve male spool (34) and the inwall of described conical outlet and be complementary;
The second self-styled valve (52) comprises the self-styled valve female joint of butt joint (32) of tubular, dock and be provided with the grafting chamber (50) of pegging graft for the self-styled valve male joint of butt joint (27) in the top of self-styled valve female joint (32), be provided with the conical entrance corresponding with described conical outlet in the bottom of grafting chamber (50), dock to establish in the bottom of self-styled valve female joint (32) and be connected with butt joint self-styled valve female spool (35), spring (13) from the top down in turn and dock self-styled valve spring retainer (18), dock the upper end of self-styled valve female spool (35) and the inwall of described conical entrance and be complementary;
Dock the lower end and the upper end butt that docks self-styled valve female spool (35) of self-styled valve male spool (34).
6. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 5 reclaims the into device of system, it is characterized in that: the sidewall of grafting chamber (50) is provided with a plurality of lock pearls through hole is installed, described lock pearl is installed and is provided with lock pearl (31) in the through hole, grafting chamber (50) is at the diameter of the wall thickness that is provided with the sidewall located of lock pearl (31) less than lock pearl (31), be arranged with lock ring (30) outside the described grafting chamber, the position of lock ring (30) is corresponding with the position of lock pearl (31), the inwall of lock ring (30) is provided with first groove (301) corresponding with locking pearl (31), lock ring (30) can serve as that axle rotates with the axis that docks self-styled valve female joint (32), and the outer wall that docks self-styled valve male joint (27) is provided with the annular groove corresponding with lock ring (30).
7. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 6 reclaims the into device of system, it is characterized in that: described a plurality of lock pearls are installed through hole circumferentially evenly distributing along grafting chamber (50), the top of docking self-styled valve female joint (32) is provided with for the fixing rudder shape nut (29) of lock ring (30), rudder shape nut (29) edge evenly is provided with a plurality of projections (291), the quantity of projection (291) is the twice of lock pearl (31) quantity, the outer handle (16) that is fixedly connected with of lock ring (30), the outer handle bayonet lock (15) that vertically arranges that also is fixedly connected with of lock ring (30), vertically, the distance between handle (16) and the projection (291) is less than the length of handle bayonet lock (15).
8. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 2 reclaims the into device of system, it is characterized in that: the first self-styled valve (51) is arranged on the blind end of swab case (23), between the blind end of swab case (23) and piston (25), be provided with oil-scraping ring (26), oil-scraping ring (26) is connected with swab case (23) by spring (13), oil-scraping ring (26) is disposed radially a plurality of oil scraping plates (40), is through hole between adjacent two oil scraping plates (40).
9. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 8 reclaims the into device of system, it is characterized in that: the bottom of swab case (23) vertically is provided with a plurality of swab case base standpipes (17), swab case base standpipe (17) is the tubular of end sealing, swab case base standpipe (17) is corresponding one by one with spring (13), one end of spring (13) is connected with the bottom of oil-scraping ring (26), the other end of spring (13) is plugged in the swab case base standpipe (17), be provided with the oil-scraping ring column (41) of fixedlying connected with oil-scraping ring (26) in the spring (13), swab case base standpipe (17) is plugged in the swab case base standpipe jack (37) of base platform (21).
10. viscous crude oil transportation centrifugal pump mechanical seal leakage sump oil according to claim 2 reclaims the into device of system, it is characterized in that: between the blind end and piston (25) of swab case (23), be provided with first pressure release passage (46) and second pressure release passage (45) in the sidewall of swab case (23), can dead (9), spring (13) and the ball sealer (28) of blocking up that connect successively be set in second pressure release passage (45) successively by the external communications of first pressure release passage (46) and second pressure release passage (45) and swab case (23) in the swab case (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236213.XA CN103334718B (en) | 2013-06-14 | 2013-06-14 | Viscous crude oil transportation mechanical face seals of centrifugal pumps leakage oil recovery enters the device of system |
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| CN201310236213.XA CN103334718B (en) | 2013-06-14 | 2013-06-14 | Viscous crude oil transportation mechanical face seals of centrifugal pumps leakage oil recovery enters the device of system |
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| CN103334718B CN103334718B (en) | 2016-01-06 |
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|---|---|---|---|---|
| US4616700A (en) * | 1984-09-18 | 1986-10-14 | Hydril Company | Automatic well test system and method |
| CN2623677Y (en) * | 2003-04-29 | 2004-07-07 | 李国宾 | Non-leakage oil collecting pipe |
| CN102847343A (en) * | 2012-08-28 | 2013-01-02 | 华东理工大学 | Heavy polluted oil processing device and method thereof |
| CN203394448U (en) * | 2013-06-14 | 2014-01-15 | 中国石油天然气股份有限公司 | Device for recycling mechanical seal leakage sump oil into system for thick oil transportation centrifugal pump |
-
2013
- 2013-06-14 CN CN201310236213.XA patent/CN103334718B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616700A (en) * | 1984-09-18 | 1986-10-14 | Hydril Company | Automatic well test system and method |
| CN2623677Y (en) * | 2003-04-29 | 2004-07-07 | 李国宾 | Non-leakage oil collecting pipe |
| CN102847343A (en) * | 2012-08-28 | 2013-01-02 | 华东理工大学 | Heavy polluted oil processing device and method thereof |
| CN203394448U (en) * | 2013-06-14 | 2014-01-15 | 中国石油天然气股份有限公司 | Device for recycling mechanical seal leakage sump oil into system for thick oil transportation centrifugal pump |
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