CN210265253U

CN210265253U - Novel oil field gathering centrifugal pump sealing device

Info

Publication number: CN210265253U
Application number: CN201921363716.2U
Authority: CN
Inventors: 李殷海; 李沫; 孙晓波; 张庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-07
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a novel oil field collection centrifugal pump sealing device, the protective housing comprises a protective housing, the bottom surface fixedly connected with support plate of protective housing, the right side fixedly connected with driving motor of support plate upper surface, driving motor's left end fixedly connected with pump barrel, the left end of pump barrel and the fixed intercommunication of the right flank of protective housing, driving motor's output passes through reduction gear fixedly connected with transmission shaft, the inside of pump barrel is equipped with the connecting block, the upper surface of connecting block and the bottom surface of connecting block respectively with the interior roof of pump barrel and the interior diapire fixed connection of pump barrel, the right flank of connecting block is fixed to be inlayed and is had the bearing. This novel oil field gathering centrifugal pump sealing device through rotary seal and mechanical seal's cooperation, can prevent that oil from in the protective housing infiltration advances the pump barrel, has improved centrifugal pump device's sealed effect, avoids the centrifugal pump to cause the damage because of the infiltration of oil, has saved the cost of equipment, has improved work efficiency.

Description

Novel oil field gathering centrifugal pump sealing device

Technical Field

The utility model relates to an oil field collection technical field specifically is a novel centrifugal pump seal is failed to oil field collection device.

Background

The oil field gathering and transportation is a process in which petroleum, associated natural gas and other products produced by dispersed oil wells are gathered, are primarily processed into qualified oil and natural gas through necessary treatment, are separated into crude oil, associated natural gas and produced water for necessary purification, and are processed to become oil field commodities, and the oil field commodities are respectively exported to an oil refinery and a natural gas user, so that the whole process is called oil field gathering and transportation.

The centrifugal pump is needed to be used for work in the gathering and transportation process of the oil field, the centrifugal pump can enable liquid to continuously suck people from a suction port, the liquid is discharged from a discharge port, the liquid is enabled to generate pressure, the liquid is discharged to a high place, the sealing effect of the existing centrifugal pump is poor, oil easily permeates into the inside of the centrifugal pump, the centrifugal pump is damaged, the work efficiency is reduced, the time is wasted, and therefore the novel oil field gathering and transportation centrifugal pump sealing device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel oil field gathering centrifugal pump sealing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel centrifugal pump sealing is failed to oil field collection device, includes the protective housing, the bottom surface fixedly connected with support plate of protective housing, the right side fixedly connected with driving motor of support plate upper surface, driving motor's left end fixedly connected with pump barrel, the left end of pump barrel and the fixed intercommunication of the right flank of protective housing, driving motor's output passes through reduction gear fixedly connected with transmission shaft, the inside of pump barrel is equipped with the connecting block, the upper surface of connecting block and the bottom surface of connecting block respectively with the interior roof of pump barrel and the interior diapire fixed connection of pump barrel, the fixed inlaying of right flank of connecting block has the bearing, the inside of protective housing is equipped with rotary seal and mechanical seal respectively, and mechanical seal is located rotary seal's the right side, rotary seal's surface fixed connection has symmetrical seal block.

Two a side that sealed piece kept away from each other respectively with the interior roof of protective housing and the interior diapire fixed connection of protective housing, mechanical seal's surface respectively with the interior roof of protective housing and the interior diapire fixed connection of protective housing, the left end of transmission shaft runs through bearing, mechanical seal and rotary seal in proper order and extends to rotary seal's left side, the surface of transmission shaft respectively with the inner circle of bearing, the inner circle of mechanical seal and rotary seal's inner circle fixed connection, the outer fixed surface of transmission shaft is connected with symmetrical impeller, the inlet port has been seted up in the left side of protective housing, the fixed intercommunication in left surface of inlet port has defeated oil pipe, the fixed intercommunication in left surface of defeated oil pipe has the connector, the oil outlet has been seted up to the upper surface of protective housing.

Preferably, the inside wall fixedly connected with filter screen of protective housing, and the filter screen is located the right side of inlet port.

Preferably, the front surface of the carrier plate is fixedly connected with two fixing blocks, and a nut is fixedly embedded on the upper surface of each fixing block.

Preferably, the bottom surface of the driving motor is fixedly connected with a supporting block, and the bottom surface of the supporting block is fixedly connected with the upper surface of the carrier plate.

Preferably, the bottom surface of the pump barrel is fixedly connected with two support rods, and the bottom ends of the support rods are fixedly connected with the upper surface of the support plate.

Preferably, the front surface of the carrier plate is provided with two screws, the bottom end of each screw penetrates through each nut and extends to the lower part of each nut, and the inner ring of each nut is in threaded connection with the outer surface of each screw.

Advantageous effects

The utility model provides a novel oil field gathering centrifugal pump sealing device possesses following beneficial effect: this novel centrifugal pump sealing device is failed to oil field collection, cooperation through rotary seal circle and mechanical seal, can prevent in the oil infiltration advances the pump barrel from the protective housing, centrifugal pump device's sealed effect has been improved, avoid the centrifugal pump to cause the damage because of the infiltration of oil, the cost of equipment has been saved, work efficiency has been improved, impurity and granule in can being to the oil through the filter screen block, it filters oil to have reached, avoid impurity to cause the damage to clutch pump equipment, can protect the transmission shaft through the pump barrel, it is dirty and disorderly to avoid the dust in the air to cause it, it is troublesome to have reduced unnecessary, thereby the effective sealing to centrifugal pump device has been reached.

Drawings

Fig. 1 is a sectional view of the front view of the protective shell of the present invention;

fig. 2 is a side view of the protective case of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: the device comprises a protection shell 1, a support plate 2, a driving motor 3, a pump barrel 4, a transmission shaft 5, a connecting block 6, a bearing 7, a mechanical seal 8, a sealing block 9, a rotary sealing ring 10, an impeller 11, an oil inlet hole 12, an oil outlet hole 13, an oil delivery pipe 14, a connector 15, a filter screen 16, a fixing block 17, a nut 18, a screw 19, a supporting block 20 and a supporting rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel oil field gathering centrifugal pump sealing device comprises a protective shell 1, wherein a filter screen 16 is fixedly connected to the inner side wall of the protective shell 1, the filter screen 16 is positioned on the right side of an oil inlet hole 12 and can filter oil and prevent impurities from entering the centrifugal pump device, a support plate 2 is fixedly connected to the bottom surface of the protective shell 1, two fixed blocks 17 are fixedly connected to the front surface of the support plate 2, a nut 18 is fixedly embedded on the upper surface of each fixed block 17, two screws 19 are arranged on the front surface of the support plate 2, the bottom end of each screw 19 penetrates through each nut 18 and extends to the lower side of each nut 18, the inner ring of each nut 18 is in threaded connection with the outer surface of each screw 19, the centrifugal pump equipment is fixed and is prevented from moving at the working position to cause troubles, a driving motor 3 is fixedly connected to the right side of the upper surface of the support plate, the bottom surface of the supporting block 20 is fixedly connected with the upper surface of the support plate 2, the support for the driving motor 3 is reinforced, and the damage caused by the falling of the driving motor 3 is avoided, the left end of the driving motor 3 is fixedly connected with the pump cylinder 4, the bottom surface of the pump cylinder 4 is fixedly connected with two supporting rods 21, the bottom end of each supporting rod 21 is fixedly connected with the upper surface of the support plate 2, the support for the pump cylinder 4 is achieved, the stability of the pump cylinder 4 is improved, the left end of the pump cylinder 4 is fixedly communicated with the right side surface of the protective housing 1, the output end of the driving motor 3 is fixedly connected with the transmission shaft 5 through the speed reducer, the inside of the pump cylinder 4 is provided with the connecting block 6, the upper surface of the connecting block 6 and the bottom surface of the connecting block 6 are respectively fixedly connected with the inner top wall of the pump cylinder 4 and the inner bottom wall of the pump cylinder 4, the right, the rotary sealing ring 10 belongs to a dynamic sealing, the rotary sealing is composed of a slip ring filled with polytetrafluoroethylene and a rubber O-shaped ring providing elastic force and is used for sealing a rod, a shaft, a pin, a rotary joint and the like which rotate or swing, the rotary sealing ring 10 is a device which is known in the prior art and is not described in more detail, a mechanical seal 8 is a device for preventing fluid leakage and is formed by keeping fit and relative sliding under the action of fluid pressure, the elastic force or the magnetic force of a compensation mechanism and the cooperation of an auxiliary seal, the mechanical seal 8 is a device which is known in the prior art, the description is not described in more detail, the mechanical seal 8 is positioned on the right side of the rotary sealing ring 10, and the outer surface of the rotary sealing ring 10 is fixedly connected with a symmetrical sealing block 9.

A side that two sealed pieces 9 kept away from each other respectively with the interior roof of protective housing 1 and the interior diapire fixed connection of protective housing 1, the surface of mechanical seal 8 respectively with the interior roof of protective housing 1 and the interior diapire fixed connection of protective housing 1, the left end of transmission shaft 5 runs through bearing 7 in proper order, mechanical seal 8 and rotary seal 10 and extend to rotary seal 10's left side, the surface of transmission shaft 5 respectively with the inner circle of bearing 7, the inner circle of mechanical seal 8 and the inner circle fixed connection of rotary seal 10, the fixed symmetrical impeller 11 of surface fixed connection of transmission shaft 5, inlet port 12 has been seted up in the left side of protective housing 1, the fixed intercommunication in left surface of inlet port 12 has defeated oil pipe 14, the fixed intercommunication in left surface of defeated oil pipe 14 has connector 15, oil outlet 13 has been seted up to the upper surface of protective housing.

The working principle is as follows: at first be linked together driving motor 3 and power, can drive transmission shaft 5 through the produced power of driving motor 3 and rotate, rotation through transmission shaft 5 can make impeller 11 rotatory, centrifugal force through the rotatory production of impeller 11 can make oil pour into to protective housing 1 from defeated oil pipe 14 in, impurity and granule in can making oil through filter screen 16 filter, it causes the damage to avoid impurity to make the centrifugal pump, when oil pour into in the protective housing 1 to certain quantity, will transmit out through oil outlet 13, cooperation through rotary seal ring 10 and mechanical seal 8, reached and avoided oil to get into in the pump barrel 4, thereby the sealing to the centrifugal pump device has been accomplished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel centrifugal pump seal is failed to oil field collection device, includes protective housing (1), its characterized in that: the bottom surface of the protective shell (1) is fixedly connected with a support plate (2), the right side of the upper surface of the support plate (2) is fixedly connected with a driving motor (3), the left end of the driving motor (3) is fixedly connected with a pump barrel (4), the left end of the pump barrel (4) is fixedly communicated with the right side surface of the protective shell (1), the output end of the driving motor (3) is fixedly connected with a transmission shaft (5) through a speed reducer, a connecting block (6) is arranged in the pump barrel (4), the upper surface of the connecting block (6) and the bottom surface of the connecting block (6) are respectively fixedly connected with the inner top wall of the pump barrel (4) and the inner bottom wall of the pump barrel (4), a bearing (7) is fixedly embedded in the right side surface of the connecting block (6), a rotary sealing ring (10) and a mechanical seal (8) are respectively arranged in the protective shell (1), and the mechanical seal (8) is positioned, the outer surface of the rotary sealing ring (10) is fixedly connected with symmetrical sealing blocks (9);

two side faces, which are far away from each other, of the sealing blocks (9) are fixedly connected with an inner top wall of the protective shell (1) and an inner bottom wall of the protective shell (1) respectively, the outer surface of the mechanical seal (8) is fixedly connected with the inner top wall of the protective shell (1) and the inner bottom wall of the protective shell (1) respectively, the left end of the transmission shaft (5) sequentially penetrates through the bearing (7), the mechanical seal (8) and the rotary sealing ring (10) and extends to the left side of the rotary sealing ring (10), the outer surface of the transmission shaft (5) is fixedly connected with an inner ring of the bearing (7), an inner ring of the mechanical seal (8) and an inner ring of the rotary sealing ring (10) respectively, symmetrical impellers (11) are fixedly connected to the outer surface of the transmission shaft (5), an oil inlet hole (12) is formed in the left side of the protective shell (1), and an oil conveying pipe (14, the left side face of defeated oil pipe (14) is fixed the intercommunication has connector (15), oil outlet (13) have been seted up to the upper surface of protective housing (1).

2. The novel oil field gathering centrifugal pump sealing device as claimed in claim 1, wherein: the inner side wall of the protective shell (1) is fixedly connected with a filter screen (16), and the filter screen (16) is located on the right side of the oil inlet hole (12).

3. The novel oil field gathering centrifugal pump sealing device as claimed in claim 1, wherein: the front of the carrier plate (2) is fixedly connected with two fixing blocks (17), and each fixing block (17) is fixedly embedded with a nut (18) on the upper surface.

4. The novel oil field gathering centrifugal pump sealing device as claimed in claim 1, wherein: the bottom surface of the driving motor (3) is fixedly connected with a supporting block (20), and the bottom surface of the supporting block (20) is fixedly connected with the upper surface of the carrier plate (2).

5. The novel oil field gathering centrifugal pump sealing device as claimed in claim 1, wherein: the bottom surface fixedly connected with two bracing pieces (21) of pump barrel (4), every the bottom of bracing piece (21) all is connected with the upper surface fixed of support plate (2).

6. The novel oil field gathering centrifugal pump sealing device as claimed in claim 1, wherein: the front surface of the carrier plate (2) is provided with two screws (19), the bottom end of each screw (19) penetrates through each nut (18) and extends to the lower part of each nut (18), and the inner ring of each nut (18) is in threaded connection with the outer surface of each screw (19).