CN218834351U

CN218834351U - Oil well cement retarder mixing arrangement with prevent hanging phenomenon

Info

Publication number: CN218834351U
Application number: CN202222852591.8U
Authority: CN
Inventors: 时曦; 时永生; 王洪霞; 刘海峰; 李秋实
Original assignee: Inner Mongolia Zhongfu Yiding Petroleum Engineering Technology Co ltd
Current assignee: Inner Mongolia Zhongfu Yiding Petroleum Engineering Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-11
Anticipated expiration: 2032-10-27

Abstract

The utility model provides an oil well cement retarder mixing arrangement with prevent hanging phenomenon relates to cement retarder processing technology field, including the fixed chamber, the bottom of fixed chamber is installed the supporting leg, the inside of fixed chamber is provided with rotates the chamber, the top of rotating the chamber is installed the feed inlet, the bottom of rotating the chamber is installed the feed opening, the inside of rotating the chamber is provided with the rabbling mechanism, the lateral wall of rotating the chamber is provided with slewing mechanism; through being provided with slewing mechanism in the outside of rotating the chamber, utilize the mutually supporting of slewing mechanism's driving tooth, cavity, second servo motor, driving gear, spacing groove and turning block, can drive and rotate the chamber and rotate for the rotation direction of rotating the chamber with the (mixing) shaft is opposite, drives the retarder and rotates, makes the mixing efficiency of retarder higher, thereby has improved the work efficiency of the device when using greatly.

Description

Oil well cement retarder mixing arrangement with prevent hanging phenomenon

Technical Field

The utility model relates to a cement retarder processing technology field especially relates to oil well cement retarder mixing arrangement who has anti-falling phenomenon of hanging.

Background

With the development of economy and the continuous improvement of the technological level, the development of the petroleum exploitation industry in China is very rapid, after an oil layer is drilled in a general oil well, an oil layer casing pipe is put into the oil layer casing pipe, oil well cement is injected into an annular space between the casing pipe and a well wall, and a retarder is required to be added into the cement in order to prevent the cement from being hung upside down;

oil well cement retarder with prevent hanging phenomenon upside down, it is one kind and reduces cement or gypsum hydration speed and heat of hydration, the additive of extension setting time, retarder adds mixing arrangement with ardealite and lime stone usually among the prior art and stirs the production preparation, when mixing the oil well cement retarder of preventing hanging phenomenon, carry out unidirectional rotation to the coagulant usually, make retarder's mixing efficiency relatively poor, and inconvenient scrape down the adnexed retarder of mixing arrangement inner wall and continue stirring and mix, cause the waste of resource easily, therefore, the utility model provides an oil well cement retarder mixing arrangement with prevent hanging phenomenon upside down is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an oil well cement retarder mixing arrangement with prevent hanging phenomenon upside down has solved and can only carry out one-way rotation to the coagulant among the prior art for the relatively poor problem of mixing efficiency of retarder.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: the oil well cement retarder mixing device with the anti-inverse hanging phenomenon comprises a fixed cavity, wherein supporting legs are installed at the bottom end of the fixed cavity, a rotating cavity is arranged inside the fixed cavity, a feeding hole is installed at the top end of the rotating cavity, a discharging hole is installed at the bottom end of the rotating cavity, a stirring mechanism is arranged inside the rotating cavity, and a rotating mechanism is arranged on the outer side wall of the rotating cavity;

rabbling mechanism includes first servo motor, transmission shaft, first conical gear, second conical gear, pivot, (mixing) shaft and scrapes the wall subassembly, first servo motor is installed in the one side of rotating the chamber, the transmission shaft is installed in the one side of rotating intracavity portion, first servo motor's output is connected with the one end of transmission shaft, first conical gear is installed to the other end of transmission shaft, one side meshing of first conical gear has second conical gear, the top of second conical gear rotates with the top of rotating intracavity portion to be connected, the pivot is installed to the bottom of second conical gear, the (mixing) shaft is installed to the lateral wall of pivot.

The further improvement lies in that: the outer side wall of the rotating shaft of the stirring shaft is provided with a plurality of stirring shafts, and the stirring shafts are in arc-shaped design below the rotating shaft.

The further improvement lies in that: the wall scraping component comprises a connecting rod and a scraper, the connecting rod is installed on the outer side of the rotating shaft, and the scraper is installed at one end of the connecting rod.

The further improvement lies in that: the scraper blade is provided with two, two the scraper blade is preceding to be the symmetric distribution about the axis that rotates the chamber.

The further improvement lies in that: the rotating mechanism comprises transmission teeth, a cavity, a second servo motor, a driving gear, a limiting groove and a rotating block, the transmission teeth are installed on the outer side wall of the rotating cavity, the cavity is installed on the outer side wall of the fixed cavity, the second servo motor is installed on the top end of the cavity, the driving gear is installed inside the cavity, the output end of the second servo motor is connected with one end of the driving gear, one side of the driving gear is meshed with one side of the transmission teeth, the limiting groove is arranged at the bottom end of the fixed cavity, the rotating block is arranged inside the limiting groove, and one end of the rotating block is connected with the outer side of the rotating cavity.

The further improvement lies in that: the cross section of the limiting groove is larger than that of the rotating block, and a sliding structure is formed between the limiting groove and the rotating block.

The utility model has the advantages that: the stirring mechanism is arranged in the rotating cavity, the retarder can be stirred by utilizing the mutual matching of the first servo motor, the transmission shaft, the first conical gear, the second conical gear, the rotating shaft, the stirring shaft, the connecting rod and the scraper of the stirring mechanism, and meanwhile, the connecting rod and the scraper can scrape materials attached to the inner wall of the rotating cavity to be continuously mixed, so that the waste of resources is not easily caused; through being provided with slewing mechanism in the outside of rotating the chamber, utilize the mutually supporting of slewing mechanism's driving tooth, cavity, second servo motor, driving gear, spacing groove and turning block, can drive and rotate the chamber and rotate for the rotation direction of rotating the chamber with the (mixing) shaft is opposite, drives the retarder and rotates, makes the mixing efficiency of retarder higher, thereby has improved the work efficiency of the device when using greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the front cross-sectional structure of the rotating mechanism of the present invention;

fig. 3 is a schematic view of a partially enlarged structure at a position a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure at B in fig. 2 according to the present invention.

Wherein: 1. a fixed cavity; 2. supporting legs; 3. a rotation chamber; 4. a feed inlet; 5. a feeding port; 6. a first servo motor; 7. a drive shaft; 8. a first bevel gear; 9. a second bevel gear; 10. a rotating shaft; 11. a stirring shaft; 12. a connecting rod; 13. a squeegee; 14. a transmission tooth; 15. a cavity; 16. a second servo motor; 17. a driving gear; 18. a limiting groove; 19. and (6) rotating the block.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to fig. 1, 2, 3, 4 show, this embodiment has proposed the oil well cement retarder mixing arrangement with prevent hanging phenomenon upside down, including fixed chamber 1, supporting leg 2 is installed to the bottom in fixed chamber 1, the inside in fixed chamber 1 is provided with rotates chamber 3, rotate the top in chamber 3 and install feed inlet 4, rotate the bottom in chamber 3 and install feed opening 5, the inside that rotates chamber 3 is provided with rabbling mechanism, the lateral wall that rotates chamber 3 is provided with slewing mechanism.

The stirring mechanism comprises a first servo motor 6, a transmission shaft 7, a first bevel gear 8, a second bevel gear 9, a rotating shaft 10, a stirring shaft 11 and a wall scraping component, the first servo motor 6 is installed on one side of a rotating cavity 3, the transmission shaft 7 is installed on one side of the inside of the rotating cavity 3, the output end of the first servo motor 6 is connected with one end of the transmission shaft 7, the first bevel gear 8 is installed at the other end of the transmission shaft 7, the second bevel gear 9 is meshed on one side of the first bevel gear 8, the top end of the second bevel gear 9 is rotatably connected with the top end of the inside of the rotating cavity 3, the rotating shaft 10 is installed at the bottom end of the second bevel gear 9, and the stirring shaft 11 is installed on the outer side wall of the rotating shaft 10, (mixing) shaft 11 is provided with a plurality ofly at the lateral wall of pivot 10, two below (mixing) shaft 11 is the arc design, during the use, pour the retarder raw materials into the inside of rotating chamber 3 from feed inlet 4, then it is rotatory to start first servo motor 6 and drive transmission shaft 7, under the transmission of transmission shaft 7, it rotates to drive first conical gear 8, because intermeshing between first conical gear 8 and the second conical gear 9, the event drives second conical gear 9 and rotates, and then drive pivot 10 and change, it is rotatory to utilize pivot 10 to drive (mixing) shaft 11, stir the retarder of rotating chamber 3 inside, a plurality of (mixing) shaft 11's setting, make the retarder mix the efficiency when stirring and mix higher.

Scrape the wall subassembly and include connecting rod 12 and scraper blade 13, connecting rod 12 is installed in the pivot 10 outside, scraper blade 13 is installed to the one end of connecting rod 12, scraper blade 13 is provided with two, two be symmetric distribution about the axis that rotates chamber 3 before scraper blade 13, during the use, (mixing) shaft 11 drives connecting rod 12 and rotates, utilizes connecting rod 12 to drive scraper blade 13 and rotates, will rotate on the 3 inner walls of chamber adnexed material and scrape down, continue the stirring and mix, the difficult waste that causes the resource.

The rotating mechanism comprises a transmission tooth 14, a cavity 15, a second servo motor 16, a driving gear 17, a limiting groove 18 and a rotating block 19, the transmission tooth 14 is installed on the outer side wall of the rotating cavity 3, the cavity 15 is installed on the outer side wall of the fixed cavity 1, the second servo motor 16 is installed at the top end of the cavity 15, the driving gear 17 is installed inside the cavity 15, the output end of the second servo motor 16 is connected with one end of the driving gear 17, one side of the driving gear 17 is meshed with one side of the transmission tooth 14, the limiting groove 18 is arranged at the bottom end inside the fixed cavity 1, the rotating block 19 is arranged inside the limiting groove 18, one end of the rotating block 19 is connected with the outer side of the rotating retarder 3, when the rotating mechanism is used, the second servo motor 16 is started to drive the driving gear 17 to rotate, and the driving gear 17 is meshed with the transmission tooth 14, so that the rotating cavity 3 is driven to rotate under the limiting of the limiting groove 18 and the rotating block 19, the rotating cavity 3 is opposite to the rotating direction of the stirring shaft 11, thereby driving the rotation of the retarder, the mixing efficiency of the mixing device is improved, and the mixing efficiency of the mixing device is greatly improved when the mixing device is used.

The cross section of the limiting groove 18 is larger than that of the turning block 19, a sliding structure is formed between the limiting groove 18 and the turning block 19, and when the limiting device is used, the limiting device can limit the turning cavity 3 during turning by utilizing the mutual matching between the limiting groove 18 and the turning block 19, so that the turning cavity 3 is more stable during turning.

The working principle is as follows: the staff pours the retarder raw materials into the inside of rotating chamber 3 from feed inlet 4 at first, then start first servo motor 6 and drive transmission shaft 7 rotatory, under the transmission of transmission shaft 7, drive first conical gear 8 and rotate, because intermeshing between first conical gear 8 and the second conical gear 9, so drive second conical gear 9 and rotate, and then drive pivot 10 and rotate, utilize pivot 10 to drive (mixing) shaft 11 and rotate, stir the retarder of rotating chamber 3 inside, connecting rod 12 drives scraper 13 and rotates this moment, utilize scraper 13 to scrape off the adnexed material on rotating chamber 3 inner wall, continue stirring and mixing, start second servo motor 16 this moment and drive driving gear 17 and rotate, because intermeshing between driving gear 17 and transmission tooth 14, so under the spacing of spacing groove 18 and turning block 19, drive and rotate chamber 3, make rotating chamber 3 and (mixing) 11 rotate the opposite direction, so drive the retarder and rotate, the mixing efficiency of retarder is improved, carry out the ejection of compact through feed opening 5 after the completion.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Oil well cement retarder mixing arrangement with prevent hanging phenomenon upside down, including fixed chamber (1), its characterized in that: the bottom end of the fixed cavity (1) is provided with a supporting leg (2), a rotating cavity (3) is arranged inside the fixed cavity (1), the top end of the rotating cavity (3) is provided with a feeding hole (4), the bottom end of the rotating cavity (3) is provided with a feed opening (5), a stirring mechanism is arranged inside the rotating cavity (3), and the outer side wall of the rotating cavity (3) is provided with a rotating mechanism;

rabbling mechanism includes first servo motor (6), transmission shaft (7), first conical gear (8), second conical gear (9), pivot (10), (mixing) shaft (11) and scrapes the wall subassembly, install in the one side of rotating chamber (3) first servo motor (6), install in the inside one side of rotating chamber (3) transmission shaft (7), the output of first servo motor (6) is connected with the one end of transmission shaft (7), first conical gear (8) are installed to the other end of transmission shaft (7), one side meshing of first conical gear (8) has second conical gear (9), the top and the inside top of rotating chamber (3) of second conical gear (9) rotate and are connected, pivot (10) are installed to the bottom of second conical gear (9), (mixing) shaft (11) are installed to the lateral wall of pivot (10).

2. The oil well cement retarder mixing device with the anti-hang-over phenomenon of claim 1, characterized in that: the outer side wall of the rotating shaft (10) of the stirring shaft (11) is provided with a plurality of stirring shafts, and the lower two stirring shafts (11) are in arc-shaped design.

3. The oil well cement retarder mixing device with the anti-hang-over phenomenon as claimed in claim 2, wherein: the wall scraping component comprises a connecting rod (12) and a scraping plate (13), the connecting rod (12) is installed on the outer side of the rotating shaft (10), and the scraping plate (13) is installed at one end of the connecting rod (12).

4. The oil well cement retarder mixing device with the anti-hang-over phenomenon of claim 3, wherein: the scraper plates (13) are arranged in two numbers, and the two scraper plates (13) are symmetrically distributed in front of the central axis of the rotating cavity (3).

5. The oil well cement retarder mixing device with the anti-hang-over phenomenon of claim 1, characterized in that: slewing mechanism includes driving tooth (14), cavity (15), second servo motor (16), driving gear (17), spacing groove (18) and turning block (19), driving tooth (14) are installed in the lateral wall that rotates chamber (3), the lateral wall in fixed chamber (1) is installed in cavity (15), second servo motor (16) are installed on the top of cavity (15), the internally mounted of cavity (15) has driving gear (17), the output of second servo motor (16) is connected with the one end of driving gear (17), one side of driving gear (17) and one side intermeshing of driving tooth (14), spacing groove (18) set up in the inside bottom in fixed chamber (1), the inside of spacing groove (18) is provided with turning block (19), the one end of turning block (19) is connected with the outside of rotating chamber (3).

6. The oil well cement retarder mixing device with the anti-hang-over phenomenon of claim 5, characterized in that: the cross section of the limiting groove (18) is larger than that of the rotating block (19), and a sliding structure is formed between the limiting groove (18) and the rotating block (19).