CN213617503U - Cement truck mixing system simulation evaluation device for laboratory - Google Patents
Cement truck mixing system simulation evaluation device for laboratory Download PDFInfo
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- CN213617503U CN213617503U CN202021197128.9U CN202021197128U CN213617503U CN 213617503 U CN213617503 U CN 213617503U CN 202021197128 U CN202021197128 U CN 202021197128U CN 213617503 U CN213617503 U CN 213617503U
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Abstract
The utility model discloses a laboratory cement truck mixing system simulation evaluation device, which comprises a stirrer, a cover plate, a water supply pipe, a mixing tank, a cement slurry circulating pipe, a cement slurry circulating pump and an ash inlet pipe, wherein the stirrer, the cover plate, the water supply pipe, the mixing tank, the cement slurry circulating pipe, the cement slurry circulating pump and the ash inlet pipe are arranged on a supporting base; the stirring barrel is suspended and fixed on the supporting base and is of a funnel-shaped structure; the cover plate is covered at the opening at the top of the stirring barrel, and the stirrer is arranged in the stirring barrel; the water supply pipe is an annular pipeline provided with a plurality of water outlet holes and is connected with an external water source through a water supply pipeline communicated with the water supply pipe; one end of the cement slurry circulating pipe is connected with the discharge port at the bottom of the stirring barrel, and the other end of the cement slurry circulating pipe is connected to the upper part of the stirring barrel; one end of the ash inlet pipe is positioned outside, and the other end of the ash inlet pipe is inserted into the stirring barrel; the device is reasonable in structure, convenient to operate and safe to use, and can be correspondingly adjusted according to different rotating speeds of different cement trucks, so that the purpose of coordinating the performance of cement paste prepared in a laboratory and cement paste prepared in the same proportion on site is achieved, and the well cementation quality is improved.
Description
Technical Field
The utility model relates to a well cementation technical field, in particular to cement truck mixing system simulation evaluation device is used in laboratory.
Background
At present, in the oil field well cementation construction operation, the field cement preparation is generally completed by a well cementation cement truck. Before the well cementation cement is constructed on site, the concrete preparation proportion of the well cementation cement needs to be tested in a laboratory and then actually applied to the site construction. However, the existing cement slurry mixing apparatus commonly used in laboratories is a warin mixer, and compared with a cement truck used on site, due to the reasons of different mixing rates, different mixing modes and the like, the cement slurry tested and configured in laboratories has great performance difference with the cement slurry configured in the cement truck on site, so that the site construction is difficult, and the well cementation quality is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effectively solve laboratory cement car mixing system simulation evaluation device is used in laboratory that uses waring agitator and cement car mixing system to mismatch the problem that meets.
Therefore, the utility model discloses technical scheme as follows:
a laboratory cement truck mixing system simulation evaluation device comprises a stirrer, a cover plate, a water supply pipe, a mixing tank, a cement slurry circulating pipe, a cement slurry circulating pump and an ash inlet pipe, wherein the stirrer, the cover plate, the water supply pipe, the mixing tank, the cement slurry circulating pipe, the cement slurry circulating pump and the ash inlet pipe are arranged on a supporting base;
the stirring barrel is suspended and fixed on the supporting base through a plurality of supporting rods and is of a funnel-shaped structure, the top of the stirring barrel is provided with a large-size opening, and the bottom of the stirring barrel is provided with a small-size discharge outlet; the cover plate is detachably fixed at the opening at the top of the stirring barrel; the stirrer comprises a stirring motor fixed in the central through hole of the cover plate and a stirring paddle vertically arranged in the stirring barrel, and the top end of a rotating shaft of the stirring paddle is connected with an output shaft of the stirring motor;
the water supply pipe consists of an annular pipeline which is laid along the circumferential direction and fixed on the inner wall of the top end of the stirring barrel and a water supply pipeline of which one end is communicated with the annular pipeline, a plurality of water outlet holes are arranged on the annular pipeline at intervals, and the other end of the water supply pipeline is inserted into a water supply pipe mounting hole arranged on the side wall of the stirring barrel;
one end of the cement slurry circulating pipe is hermetically connected with a discharge port at the bottom of the stirring barrel through a flange, and the other end of the cement slurry circulating pipe is inserted and fixed in a circulating discharge hole arranged at the upper part of the side wall of the stirring barrel; the cement slurry circulating pump is arranged on the cement slurry circulating pipe; a liquid discharge branch pipe is arranged on the cement slurry circulating pipe, and a liquid discharge gate is arranged at the pipe end of the liquid discharge branch pipe;
one end of the ash inlet pipe is fixed on the support rod, the port of the ash inlet pipe is provided with an ash supply valve door, and the other end of the ash inlet pipe is inserted and fixed in an ash inlet hole formed in the cover plate; the pipe end positioned outside the stirring barrel is provided with an ash supply valve.
Preferably, the aperture of the water outlet holes formed in the water supply pipe is 20-30 mm, and the spacing distance between every two adjacent water outlet holes is 40-50 mm.
Preferably, the four corners of the bottom of the supporting base are respectively provided with a roller.
Compared with the prior art, the laboratory cement truck mixing system simulation evaluation device is designed based on the same operation principle as field cement truck construction, has reasonable structure, convenient operation and safe use, can correspondingly adjust the rotating speed of the simulation evaluation device according to the different rotating speeds of different cement trucks so as to achieve the purpose of coordinating the performance of cement paste prepared in a laboratory and cement paste prepared in the same proportion in the field, provide effective technical support for the field construction of well cementation and improve the quality of well cementation.
Drawings
FIG. 1 is a schematic structural view of a cement truck mixing system simulation evaluation device for a laboratory according to the present invention;
fig. 2 is the utility model discloses a laboratory is with cement truck mixing system simulation evaluation device's top view.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.
As shown in fig. 1, the laboratory cement truck mixing system simulation evaluation device comprises a mixer, a cover plate 2, a water supply pipe 3, a mixing tank 4, a cement slurry circulating pipe 6, a cement slurry circulating pump 7 and an ash inlet pipe 9 which are arranged on a supporting base 11; wherein the content of the first and second substances,
the stirring barrel 4 is suspended and fixed on the supporting base 11 through a plurality of supporting rods; the stirring barrel 4 is of a funnel-shaped structure, the top of the stirring barrel is provided with a large-size opening, and the bottom of the stirring barrel is provided with a small-size discharge port, so that cement paste in the stirring barrel 4 can be conveniently collected; the cover plate 2 can be detachably fixed at the opening at the top of the stirring barrel 4, is convenient to assemble and disassemble, and is convenient for experimenters to observe cement paste and also convenient for experimenters to perform density detection on cement paste at any time;
the stirrer comprises a stirring motor 1 fixed in a central through hole of the cover plate 2 and a stirring paddle 8 vertically arranged in the stirring barrel 4, and the top end of a rotating shaft of the stirring paddle 8 is connected with an output shaft of the stirring motor 1; the length of the stirring paddle 8 is adapted to the depth of the stirring barrel 4, so that the bottom end of the stirring paddle is close to the barrel bottom to ensure full stirring; the stirring motor 1 is designed as a speed-adjustable motor, so that real-time adjustment can be performed according to different rotating speeds of the trolley, the stirring motor is more suitable for the construction conditions of a well cementation site, and the simulation accuracy is improved;
the water supply pipe 3 consists of an annular pipeline which is laid along the circumferential direction and fixed on the inner wall of the top end of the stirring barrel 4 and a water supply pipeline of which one end is communicated with the annular pipeline, a plurality of water outlet holes 5 are arranged on the annular pipeline at intervals, and the other end of the water supply pipeline is inserted into a water supply pipe mounting hole arranged on the side wall of the stirring barrel 4; the annular water supply mode can facilitate the increase of the contact area between the cement ash entering the stirring barrel 4 and water, so that the cement ash and the water are fully mixed and stirred, and simultaneously, the stirring barrel 4 is convenient to clean after the experiment is finished;
as a preferred technical solution of this embodiment, the aperture of the water outlet 5 formed in the water supply pipe 3 is 20mm, and the distance between adjacent water outlets 5 is 40 mm;
one end of the cement paste circulating pipe 6 is hermetically connected with a discharge port at the bottom of the stirring barrel 4 through a flange, and the other end of the cement paste circulating pipe is inserted and fixed in a circulating discharge hole arranged at the upper part of the side wall of the stirring barrel 4; the cement slurry circulating pump 7 is arranged on the cement slurry circulating pipe 6, and the cement slurry at the bottom of the stirring barrel 4 is pumped to the upper part of the stirring barrel 4 through the cement slurry circulating pipe 6 by using the power of the cement slurry circulating pump 7, so that the circulating capacity of the cement slurry in the stirring barrel 4 is improved, and the condition that the cement slurry at the bottom of the barrel cannot be stirred is avoided; in addition, a liquid discharge branch pipe is arranged on the cement slurry circulating pipe 6, and a liquid discharge gate 10 is arranged at the pipe end of the liquid discharge branch pipe and is used for discharging the cement slurry qualified by stirring from the liquid discharge gate 10;
one end of the ash inlet pipe 9 is fixed on the support rod, the port of the ash inlet pipe is provided with an ash supply valve door, and the other end of the ash inlet pipe is inserted and fixed in an ash inlet hole formed in the cover plate 2; specifically, the pipe end positioned outside the stirring barrel 4 is arranged at the bottom of the stirring barrel 4, and an ash supply valve is arranged at the end head;
as a preferable technical solution of this embodiment, a roller 12 is disposed at each of four corners of the bottom of the supporting base 11, so that the simulation evaluation device is convenient to move.
The working process of the laboratory cement truck stirring system simulation evaluation device is as follows:
firstly, connecting a water supply pipeline with an external water supply mechanism through a pipeline, opening an external water supply valve, enabling an external water source to enter an annular pipeline through the water supply pipeline, and spraying water drops into the stirring barrel 4 through water outlet holes which are formed in the annular pipeline at equal parts; meanwhile, a switch of the stirring motor 1 is turned on, and the stirring speed of the stirring motor 1 is adjusted according to a stirring speed parameter (0-200 rpm) of the cement truck provided by a well cementation engineer, so that the stirring motor 1 drives the stirring blades 8 to rotate; then, after the outer pipe end of the ash inlet pipe 9 is connected with an external air source connected with the tank mouth of the cement ash storage tank through an ash supply valve, the ash supply valve is opened, so that the cement dry ash enters the stirring barrel 4 through the ash inlet pipe 9 and is mixed and stirred with water drops sprayed by the water supply ring pipe; during the stirring period, experimenters can open the stirring barrel cover plate 2 at any time to observe and measure the density, and adjust the input amount of dry ash and liquid medicine according to the situation so as to determine the optimal water-cement ratio of field construction; after the regulation, close external supply water valve and confession ash valve, open cement paste circulating motor pipeline pump 7, circulate to the cement paste in the agitator 4 and thoughtlessly stir, after thoughtlessly stirring, close cement paste circulating motor pipeline pump 7, laboratory staff accessible flowing back valve 10 further samples, detects.
After the whole experiment is finished, cement is discharged from the liquid discharge valve 10 and then is closed, then the external water supply valve and the cement paste circulating pipeline pump 7 are opened to circularly clean the stirring barrel 4, after the cleaning is finished, the water supply valve and the cement paste circulating pipeline pump 7 are closed, the liquid discharge valve 10 is opened, and sewage is discharged to the greatest extent.
In summary, the present invention is not limited to the above embodiments, and other embodiments can be easily proposed by those skilled in the art within the technical teaching of the present invention, but all such embodiments are included in the scope of the present invention.
Claims (3)
1. A laboratory cement truck mixing system simulation evaluation device is characterized by comprising a stirrer, a cover plate (2), a water supply pipe (3), a mixing tank (4), a cement slurry circulating pipe (6), a cement slurry circulating pump (7) and an ash inlet pipe (9), wherein the stirrer, the cover plate (2), the water supply pipe (3), the mixing tank (4), the cement slurry circulating pipe (6) and the ash inlet pipe are arranged on a supporting base (11);
the stirring barrel (4) is suspended and fixed on the supporting base (11) through a plurality of supporting rods and is of a funnel-shaped structure, the top of the stirring barrel is provided with a large-size opening, and the bottom of the stirring barrel is provided with a small-size discharge outlet; the cover plate (2) is detachably fixed at the opening at the top of the stirring barrel (4); the stirrer comprises a stirring motor (1) fixed in a central through hole of the cover plate (2) and a stirring paddle (8) vertically arranged in the stirring barrel (4), and the top end of a rotating shaft of the stirring paddle (8) is connected with an output shaft of the stirring motor (1);
the water supply pipe (3) consists of an annular pipeline which is laid along the circumferential direction and fixed on the inner wall of the top end of the stirring barrel (4) and a water supply pipeline of which one end is communicated with the annular pipeline, a plurality of water outlet holes (5) are formed in the annular pipeline at intervals, and the other end of the water supply pipeline is inserted in a water supply pipe mounting hole formed in the side wall of the stirring barrel (4);
one end of the cement slurry circulating pipe (6) is hermetically connected with a discharge port at the bottom of the stirring barrel (4) through a flange, and the other end of the cement slurry circulating pipe is inserted and fixed in a circulating discharge hole arranged at the upper part of the side wall of the stirring barrel (4); the cement slurry circulating pump (7) is arranged on the cement slurry circulating pipe (6); a liquid discharge branch pipe is arranged on the cement slurry circulating pipe (6), and a liquid discharge gate (10) is arranged at the pipe end of the liquid discharge branch pipe;
one end of the ash inlet pipe (9) is fixed on the support rod, the port of the ash inlet pipe is provided with an ash supply valve door, and the other end of the ash inlet pipe is inserted and fixed in an ash inlet hole formed in the cover plate (2); the pipe end positioned outside the stirring barrel (4) is provided with an ash supply valve.
2. The laboratory cement truck mixing system simulation evaluation device as claimed in claim 1, wherein the diameter of the water outlet holes (5) formed in the water supply pipe (3) is 20-30 mm, and the distance between adjacent water outlet holes (5) is 40-50 mm.
3. The laboratory cement truck mixing system simulation evaluation device as claimed in claim 1, characterized in that one roller (12) is arranged at each of the four corners of the bottom of the support base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197128.9U CN213617503U (en) | 2020-06-24 | 2020-06-24 | Cement truck mixing system simulation evaluation device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197128.9U CN213617503U (en) | 2020-06-24 | 2020-06-24 | Cement truck mixing system simulation evaluation device for laboratory |
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| Publication Number | Publication Date |
|---|---|
| CN213617503U true CN213617503U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021197128.9U Active CN213617503U (en) | 2020-06-24 | 2020-06-24 | Cement truck mixing system simulation evaluation device for laboratory |
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| CN (1) | CN213617503U (en) |
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2020
- 2020-06-24 CN CN202021197128.9U patent/CN213617503U/en active Active
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