CN215004592U - Sand-filled model pipe - Google Patents

Abstract

The utility model discloses a sand filling model pipe, which comprises a protective shell, wherein the protective shell is of a double-layer structure, a thermal insulation cotton layer fixing outer pipe is filled in the protective shell and is arranged on the inner wall of the protective shell, a fixing inner pipe and a heating pipe are arranged in the fixing outer pipe, and the heating pipe is positioned on the outer wall of the fixing inner pipe; a packing cavity opened inside the fixed inner tube; a rear fixing cover installed at a rear end of the protective case; a front fixing cover mounted at a front end of the protective case; and the connecting pipes are symmetrically arranged at the upper end of the protective shell, and the flow limiting plate is arranged at the lower end inside the connecting pipes. This fill out sand model pipe is provided with the protecting crust, can heat fixed inner tube through the heating pipe that sets up, need not to use firing equipment in addition, under the effect on heat preservation cotton layer, can play heat retaining effect, can effectually avoid this problem of filling out sand model pipe temperature and reducing fast, makes things convenient for people's use.

Description

Sand-filled model pipe

Technical Field

The utility model relates to a fill out sand model pipe technical field, specifically be a fill out sand model pipe.

Background

The thickened oil microbial recovery technology is an extension of the thickened oil recovery technology and is a new attempt for thickened oil recovery. Compared with the traditional thickened oil exploitation technology, the thickened oil microbial exploitation technology has the advantages of simple construction, low cost, good effect, small heterogeneity and sensitivity to stratum, no damage to stratum, no environmental pollution, repeated use in the same oil reservoir or oil well and the like. In the recovery experiments in the petroleum industry, sand-filled molded pipes are generally used when physical experiments in microbial flooding chambers are performed.

The heating of present sand pack pipe need be placed and heat in the oven, and when taking out the sand pack pipe, its meeting temperature can reduce, can't guarantee to fill the intraductal constancy of temperature of sand, to above-mentioned condition, carries out technological innovation on present sand pack model pipe basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fill out sand mould type pipe to it needs to place heating in the oven to provide current sand pack pipe heating among the above-mentioned background art to solve, when taking out the sand pack pipe, it can the temperature reduce, can't guarantee to fill out the problem of the intraductal constancy of temperature of sand.

In order to achieve the above object, the utility model provides a following technical scheme: a sand-packed model tube comprising:

the protective shell is of a double-layer structure, and the protective shell is filled with a heat-insulating cotton layer

The fixed outer pipe is arranged on the inner wall of the protective shell, a fixed inner pipe and a heating pipe are arranged in the fixed outer pipe, and the heating pipe is positioned on the outer wall of the fixed inner pipe;

a packing cavity opened inside the fixed inner tube;

a rear fixing cover installed at a rear end of the protective case;

a front fixing cover mounted at a front end of the protective case;

the connecting pipes are symmetrically arranged at the upper end of the protective shell, the lower end inside the connecting pipes is provided with a flow limiting plate, and the flow limiting plate is internally provided with a flow dividing hole; a protective cover coupled to an upper surface of the connection pipe.

Preferably, be fixed connection between heat preservation cotton layer and the protecting crust, the outer wall of fixed outer tube closely laminates with the inner wall of protecting crust.

Preferably, the packing cavity penetrates through the inner wall of the fixed inner pipe, and the rear fixed cover and the front fixed cover are in threaded connection with the protective shell.

Preferably, the connecting pipe is communicated with the packing cavity, the protective cover is in threaded connection with the connecting pipe, the flow distribution holes penetrate through the inside of the flow limiting plate, and the flow distribution holes are evenly distributed along the outer wall of the flow limiting plate at equal intervals.

Preferably, the front fixing cover is further provided with:

the connecting rod, it is fixed the front end of preceding fixed cover, the front end of connecting rod is fixed with the mounting panel, the electric pole cover is installed to the outer wall of mounting panel, one side of electric pole cover is connected with the telescopic link, the rear end of telescopic link is fixed with the compaction piece, the outer wall of compaction piece is equipped with the sealing washer.

Preferably, the connecting rod and the front fixing cover are connected in a welding mode, the number of the connecting rods is two, and the compaction block and the electric rod sleeve form a telescopic structure through the telescopic rod.

Preferably, the sealing ring and the compaction block are mutually embedded, the number of the sealing rings is two, and the outer wall of each sealing ring is tightly attached to the inner wall of the fixed inner pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the sand-filled model pipe is provided with the protective shell, the fixed inner pipe can be heated through the arranged heating pipe, heating equipment is not needed, the heat preservation effect can be achieved under the effect of the heat preservation cotton layer, the problem that the temperature of the sand-filled model pipe is rapidly reduced can be effectively solved, and the sand-filled model pipe is convenient for people to use;

2. the sand filling model pipe is provided with a filling cavity, and the rear fixing cover can avoid the condition that materials in the filling cavity are leaked; the protective cover is screwed off through the arranged connecting pipe, liquid can be added into the filling cavity, and the liquid can more uniformly flow into the filling cavity through the arranged flow limiting plate and the flow dividing holes, so that the simulation is facilitated;

3. the sand filling model pipe is provided with the connecting rod, the strength of the mounting plate can be enhanced, the mounting plate is prevented from being damaged when the sand filling model pipe is compressed, and the arranged telescopic rod can drive the compaction block to move, so that materials in the filling cavity are compacted; through the sealing washer that sets up, can play sealed effect, the further condition of leaking takes place for the material of avoiding packing the intracavity.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the protective shell of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the front fixing cover of the present invention.

In the figure: 1. a protective shell; 2. a heat insulation cotton layer; 3. fixing the outer tube; 4. fixing the inner pipe; 5. heating a tube; 6. a packing cavity; 7. a rear fixing cover; 8. a front fixing cover; 9. a connecting pipe; 10. a restrictor plate; 11. a shunt hole; 12. a protective cover; 13. a connecting rod; 14. mounting a plate; 15. an electric rod sleeve; 16. a telescopic rod; 17. compacting the block; 18. and (5) sealing rings.

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 to 3, a sand-packed model tube includes: the structure of the protective shell 1 is a double-layer structure, and the interior of the protective shell 1 is filled with a heat-insulating cotton layer 2; the sand filling model pipe is provided with the protective shell 1, the fixed inner pipe 4 can be heated through the arranged heating pipe 5, no additional heating equipment is needed, the heat preservation effect can be achieved under the action of the heat preservation cotton layer 2, the problem of rapid temperature reduction of the sand filling model pipe can be effectively avoided, and the use of people is facilitated; a packing chamber 6 opened inside the fixed inner tube 4; a rear fixing cover 7 installed at the rear end of the protective case 1; the front fixing cover 8 is arranged at the front end of the protective shell 1, the packing cavity 6 penetrates through the inner wall of the fixed inner tube 4, the rear fixing cover 7 and the front fixing cover 8 are in threaded connection with the protective shell 1, the packing cavity 6 is arranged in the sand filling model tube, and the rear fixing cover 7 can prevent the material in the packing cavity 6 from leaking; the connecting pipe 9 is symmetrically arranged at the upper end of the protective shell 1, the lower end inside the connecting pipe 9 is provided with a flow limiting plate 10, and the inside of the flow limiting plate 10 is provided with a flow splitting hole 11; protective cover 12, its upper surface at connecting pipe 9 is connected, communicate each other between connecting pipe 9 and the packing chamber 6, and be threaded connection between protective cover 12 and the connecting pipe 9, flow distribution hole 11 runs through in the inside of current-limiting plate 10, through the connecting pipe 9 that sets up, unscrew protective cover 12, can add liquid to the packing chamber 6 in, and through current-limiting plate 10 and the flow distribution hole 11 that sets up, make liquid can more even inflow to the packing chamber 6 in, be convenient for simulate.

Referring to fig. 1 and 4, a sand-packed model tube includes: the sand filling model pipe is provided with the connecting rod 13, the strength of the mounting plate 14 can be enhanced, the mounting plate 14 is prevented from being damaged when the sand filling model pipe is pressed tightly, and the arranged telescopic rod 16 can drive the compacting block 17 to move, so that materials in the filling cavity 6 are compacted; the outer wall of compaction piece 17 is equipped with sealing washer 18, mutual gomphosis between sealing washer 18 and the compaction piece 17, and sealing washer 18 is provided with two to the outer wall of sealing washer 18 closely laminates with the inner wall of fixed inner tube 4, through the sealing washer 18 that sets up, can play sealed effect, and the further condition of leaking takes place for the material in avoiding packing chamber 6.

The working principle of the sand-filled model pipe is as follows: before the sand filling model pipe is used, the protective shell 1 is firstly placed at a proper position, the rear fixing cover 7 is installed at the rear end of the protective shell 1, the sand filling cavity 6 arranged in the fixed inner pipe 4 can be used for filling sand into the sand filling cavity 6, after the sand filling is finished, the front fixing cover 8 can be installed at the front end of the protective shell 1, the front fixing cover 8 is provided with a connecting rod 13 which can enhance the strength of the installation plate 14 and prevent the installation plate from being damaged, the telescopic rod 16 drives the compaction block 17 to move through the arranged electric rod sleeve 15, so as to compact sand in the sand filling cavity 6, the telescopic rod 16 can drive the compaction block 17 to move repeatedly, so as to better compact the sand, the sealing ring 18 arranged on the compaction block 17 can play a role in sealing and prevent the sand from leaking, and the heating pipe 5 arranged in the fixed outer pipe 3, heating pipe 5 starts, can heat fixed inner tube 4, thereby heat the grit, and need not to use heating device to heat it, make things convenient for people's use, and heat the completion after, heating pipe 5 closes, the cotton layer 2 of heat preservation that sets up in the protecting crust 1 can play heat retaining effect, can effectually avoid this temperature reduction of filling out sand mould type pipe too fast, thereby guarantee to fill out the intraductal constancy of temperature of sand, therefore, the clothes hanger is strong in practicability, through unscrewing the protective cover 12 that sets up on the connecting pipe 9, accessible connecting pipe 9 adds liquid to packing chamber 6, and through the reposition of redundant personnel hole 11 of seting up on the restrictor plate 10, make the inflow that liquid can be even to packing chamber 6 in, be convenient for simulate.

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 (7)

1. A sand packed model tube, comprising:

the protective shell (1) is of a double-layer structure, and a heat-insulating cotton layer (2) is filled in the protective shell (1);

the fixed outer pipe (3) is arranged on the inner wall of the protective shell (1), a fixed inner pipe (4) and a heating pipe (5) are arranged inside the fixed outer pipe (3), and the heating pipe (5) is positioned on the outer wall of the fixed inner pipe (4);

a packing chamber (6) which is opened inside the fixed inner tube (4);

a rear fixing cover (7) mounted at the rear end of the protective shell (1);

a front fixing cover (8) mounted on the front end of the protective shell (1);

the connecting pipe (9) is symmetrically arranged at the upper end of the protective shell (1), a flow limiting plate (10) is arranged at the lower end of the inside of the connecting pipe (9), and a flow splitting hole (11) is formed in the flow limiting plate (10); and the protective cover (12) is sleeved at the opening end of the connecting pipe (9).

2. The sand-packed model tube as claimed in claim 1, wherein: be fixed connection between heat preservation cotton layer (2) and protecting crust (1), the outer wall of fixed outer tube (3) closely laminates with the inner wall of protecting crust (1), heating pipe (5) are along the equidistant evenly distributed of outer wall of fixed inner tube (4).

3. The sand-packed model tube as claimed in claim 1, wherein: the packing cavity (6) penetrates through the inner wall of the fixed inner tube (4), and the rear fixed cover (7) and the front fixed cover (8) are in threaded connection with the protective shell (1).

4. The sand-packed model tube as claimed in claim 1, wherein: the connecting pipe (9) is communicated with the packing cavity (6), the protective cover (12) is in threaded connection with the connecting pipe (9), and the flow dividing hole (11) penetrates through the inside of the flow limiting plate (10).

5. The sand-packed model tube as claimed in claim 1, wherein: the front fixing cover (8) is also provided with:

the connecting rod (13) is fixed at the front end of the front fixing cover (8), a mounting plate (14) is fixed at the front end of the connecting rod (13), an electric rod sleeve (15) is installed on the outer wall of the mounting plate (14), an expansion rod (16) is connected to one side of the electric rod sleeve (15), a compaction block (17) is fixed at the rear end of the expansion rod (16), and a sealing ring (18) is arranged on the outer wall of the compaction block (17).

6. The sand-packed model tube as claimed in claim 5, wherein: the connecting rod (13) is connected with the front fixing cover (8) in a welding mode, the number of the connecting rods (13) is two, and the compaction block (17) forms a telescopic structure with the electric rod sleeve (15) through the telescopic rod (16).

7. The sand-packed model tube as claimed in claim 5, wherein: the sealing rings (18) and the compaction blocks (17) are mutually embedded, two sealing rings (18) are arranged, and the outer walls of the sealing rings (18) are tightly attached to the inner wall of the fixed inner pipe (4).

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