CN217811045U - Double-barrelled slip casting device - Google Patents
Double-barrelled slip casting device Download PDFInfo
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- CN217811045U CN217811045U CN202221942944.7U CN202221942944U CN217811045U CN 217811045 U CN217811045 U CN 217811045U CN 202221942944 U CN202221942944 U CN 202221942944U CN 217811045 U CN217811045 U CN 217811045U
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Abstract
The utility model belongs to the technical field of hydraulic engineering, especially, relate to a double-barrelled slip casting device. The grouting device comprises a first pipe group, a second pipe group and a grout blocking plug, wherein an outlet of the first pipe group extends into a grouting drill hole and is used for grouting cement slurry into foundation soil or cracks of a filling area; the outlets of the second pipe group and the first pipe group extend into the same grouting drill hole together, and the outlet ends of the first pipe group and the second pipe group are kept flush and used for pouring an accelerator into foundation soil or cracks of a filling area; the slurry blocking plug is sleeved on the first pipe group and the second pipe group and is plugged in the grouting drill hole. The utility model is used for solve traditional slip casting and form the easy problem that blocks up pipeline and thick liquid diffusion control of caking.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering, especially, relate to a double-barrelled slip casting device.
Background
In a hydraulic engineering near-sea gate station, a lower lying soil layer gradually loses along with the rise and fall tide of sea water due to the damage of an anti-seepage system below a gate bottom plate, so that the uneven settlement of a gate chamber occurs, and the common engineering problem of the near-sea gate station is solved by a common grouting (grouting) method aiming at the condition. The grouting method is a construction method for preventing seepage, consolidation and reinforcement by drilling holes and pressing fluid and cementitious grout into gaps of foundation soil or buildings according to a certain proportion to be cemented and hardened into a whole. However, in a large amount of engineering practices, the cement slurry is easy to lose along with seawater due to the influence of seawater fluctuation and tide, so that an accelerator (such as water glass) needs to be added into the cement slurry according to a fixed proportion to enable the cement slurry to flow to a damage position of an anti-seepage system to be solidified.
At present, single-pipe grouting is generally adopted for grouting, a setting accelerator is added into stirred cement slurry and is pumped to the position below a bottom plate through a grouting pump, but when the method is adopted, the setting accelerator is quickly solidified and agglomerated without waiting for the completion of mixing with the cement slurry in the cement slurry, cement blocks with different sizes are formed, the grouting pump and a grouting pipeline are easily blocked, the difficulty in controlling slurry diffusion is high, and the slurry is difficult to solidify at the damage position of an anti-seepage system.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application embodiment will solve lies in overcoming prior art not enough, provides a double-barrelled slip casting device for solve traditional slip casting and form the caking easily and block up the problem that the pipeline and the thick liquid diffusion control degree of difficulty is big.
The technical scheme for solving the technical problems in the embodiment of the application is as follows: a dual tube grouting device, comprising:
the outlet of the first pipe group extends into the grouting drill hole till the filling area and is used for grouting cement slurry into the foundation soil or cracks of the filling area;
the outlets of the first pipe group and the second pipe group are jointly extended into the same grouting drill hole, and the outlets of the first pipe group and the second pipe group are kept flush and used for pouring an accelerator into the foundation soil or cracks of the filling area;
and the slurry blocking plug is sleeved on the first pipe group and the second pipe group and is used for blocking the grouting drill hole.
Compared with the prior art, the technical scheme has the following beneficial effects:
the cement paste and the accelerator are respectively introduced into the two pipe groups, the outlets of the two pipe groups are introduced into the same grouting drill hole, and the outlets are kept flush, so that the cement paste and the accelerator penetrate through the bottom plate and extend into the foundation soil to be mixed, and the cement paste and the accelerator are solidified in the area to be filled without forming pipe blockage, thereby being beneficial to field control.
Furthermore, a first feeding control valve is arranged between an inlet and an outlet on the first pipe group, and a second feeding control valve is arranged between an inlet and an outlet on the second pipe group.
Furthermore, a first branch pipe is connected to the first pipe group, and a second branch pipe is connected to the second pipe group;
the first branch pipe is connected with a first excess material control valve in series, and the second branch pipe is connected with a second excess material control valve in series.
The pipe group is provided with a feeding control valve and the branch pipe is provided with a residual material control valve respectively, cement paste and an accelerating agent are injected through the on-off matching of the feeding control valve and the residual material control valve, and the residual material control valve controls the on-off of the branch pipe for discharging redundant injected materials.
Furthermore, the first pipe group and the second pipe group are respectively connected with a pressure gauge in series.
The pressure gauges connected in series on the two pipe groups respectively observe the pressure conditions in the two pipe groups to control the on-off of the feeding control valve and the residual material control valve.
Furthermore, a pressure control valve is connected to the first branch pipe in series, and the pressure control valve is connected with a pressure gauge on the first pipe group.
The on-off of the branch pipe is controlled through a pressure control valve which is linked with the pressure gauge and arranged on the first branch pipe, and when the pressure gauge reaches a preset pressure value, the first branch pipe is automatically controlled to be opened to discharge redundant slurry.
Further, the choke plug includes: the two ends of the expansion rubber are fixed on the first pipe group and the second pipe group through hoops;
and the main water pipe is fixed on the hoop and communicated into the expansion rubber.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
in order to avoid the caking to block up this kind of phenomenon of pipeline, the utility model provides a double-barrelled slip casting device makes cement thick liquid and accelerator (like water glass) mix under the bottom plate, solidifies in specific time, realizes that the foundation soil fills closely knit purpose under the floodgate bottom plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is an enlarged structural schematic diagram of the middle slurry blocking plug of the utility model.
Reference numerals:
1. a first tube group; 2. a second tube group;
3. a first feed control valve; 4. a second feed control valve;
5. a first branch pipe; 6. a second branch pipe;
7. a first excess material control valve; 8. a second excess material control valve;
9. a pressure gauge;
10. a pressure control valve;
11. blocking the slurry; 12. grouting and drilling;
13. an expanded rubber; 14. a main water pipe; 15. and (4) hoops.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-2, an embodiment of the present invention provides a double-barrelled grouting device, which includes: a first pipe group, a second pipe group and a slurry blocking plug.
The outlet of the first pipe group extends into the grouting drill hole till the filling area and is used for grouting cement slurry into the foundation soil or cracks of the filling area;
and the outlets of the second pipe group and the first pipe group extend into the same grouting drill hole together, and the outlet ends of the first pipe group and the second pipe group are kept flush and used for pouring an accelerator into the foundation soil or cracks of the filling area.
The slurry blocking plug is sleeved on the first pipe group and the second pipe group, is plugged in the grouting drill hole, blocks the opening of the grouting drill hole, and can fix the first pipe group and the second pipe group.
The cement paste and the accelerator are respectively led in by utilizing the two pipe groups, the outlets of the two pipe groups are led in the same grouting drill hole, and the outlets are kept flush, so that the cement paste and the accelerator penetrate through the bottom plate and extend into the foundation soil to be mixed, and the cement paste and the accelerator are solidified in a region to be filled, so that pipe blockage is not formed, and the field control is facilitated.
Specifically, a first feeding control valve is arranged between an inlet and an outlet of the first pipe group, a second feeding control valve is arranged between an inlet and an outlet of the second pipe group, and the on-off of the injection is controlled through the on-off of the two feeding control valves.
The first pipe group is connected with a first branch pipe, the second pipe group is connected with a second branch pipe, the first branch pipe is connected with the downstream of the first feeding control valve, and the second branch pipe is connected with the downstream of the second feeding control valve.
The first branch pipe is connected with a first excess material control valve in series, and the second branch pipe is connected with a second excess material control valve in series.
The pipe group is provided with a feeding control valve and the branch pipe is provided with a residual material control valve respectively, cement paste and an accelerating agent are injected through the on-off matching of the feeding control valve and the residual material control valve, and the residual material control valve controls the on-off of the branch pipe for discharging redundant injected materials.
In the process of injecting materials, opening a first feeding control valve and a first excess material control valve, introducing cement slurry, opening the first excess material control valve after a certain degree is reached, discharging excess cement slurry, and closing the first feeding control valve and the first excess material control valve;
meanwhile, during material injection, the second feeding control valve is opened, the second excess material control valve is closed, the accelerator is injected, after the addition is completed, the second excess material control valve is opened, the excess accelerator is discharged, and meanwhile, the second feeding control valve and the second excess material control valve are closed.
The forming structure of the first branch pipe and the first pipe group is the same as that of the second branch pipe and the second pipe group.
Specifically, the first branch pipe and the first pipe group form a first horizontal section from the inlet of the first branch pipe, a first vertical section is formed in the first pipe group from the joint of the first branch pipe and the outlet of the first pipe group, and the first horizontal section and the first vertical section form a T-shaped structure;
the second branch pipe and the second pipe group form a second horizontal section from the inlet of the second branch pipe to the inlet of the second pipe group, a second vertical section is formed in the second pipe group from the joint of the second branch pipe and the outlet of the second pipe group, and the second horizontal section and the second vertical section form a T-shaped structure;
the first horizontal section and the second horizontal section in the first pipe group and the second pipe group are positioned outside the grouting drill hole.
The slurry blocking plug is sleeved on the two vertical sections of the first pipe group and the second pipe group.
The pressure gauges are respectively connected to the first pipe group and the second pipe group in series, the pressure gauges connected to the two pipe groups in series are used for observing the pressure condition in the two pipe groups to control the on-off of the feeding control valve and the residual material control valve, and particularly, the pressure gauges are arranged on the first horizontal section and the second horizontal section, so that the observation of personnel is facilitated.
Furthermore, a pressure control valve is connected to the first branch pipe in series, and the pressure control valve is connected with a pressure gauge on the first pipe group.
The on-off of the branch pipes is controlled through a pressure control valve which is linked with the pressure gauge and arranged on the first branch pipe, and when the pressure gauge reaches a preset pressure value, the first branch pipe is automatically controlled to be opened to discharge redundant slurry.
The make-and-break of branch pipe is controlled through the pressure control valve of setting on first branch pipe with the manometer linkage, when pressure does not reach preset pressure in first nest of tubes, the pressure control valve is closed, pour into the grout through first nest of tubes, when pressure reaches preset pressure value in the nest of tubes, the pressure control valve is opened, discharge the grout that the pump was sent from the branch pipe, then close first feeding control valve and first clout control valve, observe the manometer numerical value this moment, if manometer numerical value does not change, indicate that the grout has been filled closely knit under the gate plate, if manometer numerical value reduces gradually, indicate that the grout does not fill closely knit under the gate plate, only meet temporarily in the grout diffusion in-process and block pressure rising, along with the former damage of stopping of thick liquid infiltration (thick liquid is some structures in the liquid form can soften foundation soil), the thick liquid continues to diffuse and fills, and then manometer pressure reduces, need continue the slip casting.
In this embodiment, as shown in fig. 2, the slurry blocking plug includes: the grouting device comprises expansion rubber and a main water pipe, wherein two ends of the expansion rubber are fixed on the first pipe group and the second pipe group through hoops, the main water pipe is fixed on the hoops, the main water pipe is communicated into the expansion rubber, liquid and the like are introduced through the main water pipe, the expansion rubber is supported on the inner wall of a grouting drill hole in an expansion mode, the grouting drill hole is blocked, and meanwhile the two pipe groups are kept fixed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (6)
1. A double-barrelled slip casting device which characterized in that includes:
the outlet of the first pipe group extends into the grouting drill hole till the filling area and is used for grouting cement slurry into the foundation soil or cracks of the filling area;
the outlets of the first pipe group and the second pipe group are extended into the same grouting drill hole together, and the outlets of the first pipe group and the second pipe group are kept flush and used for pouring an accelerator into the foundation soil or cracks of the filling area;
and the slurry blocking plug is sleeved on the first pipe group and the second pipe group and is used for blocking the grouting drill hole.
2. The dual tube grouting device of claim 1, wherein a first feed control valve is disposed between the inlet and the outlet on the first tube bank, and a second feed control valve is disposed between the inlet and the outlet on the second tube bank.
3. The dual tube grouting device according to claim 1, wherein a first branch tube is connected to the first tube bank, and a second branch tube is connected to the second tube bank;
the first branch pipe is connected with a first excess material control valve in series, and the second branch pipe is connected with a second excess material control valve in series.
4. The double-barrelled slip casting device of claim 3, wherein, the first nest of tubes and second nest of tubes are respectively connected with a manometer in series.
5. The dual tube grouting device of claim 4, wherein a pressure control valve is connected in series with the first branch tube, and the pressure control valve is connected with a pressure gauge on the first tube set.
6. The dual tube grouting device of claim 1, wherein the choke plug comprises: the two ends of the expanded rubber are fixed on the first pipe group and the second pipe group through hoops;
and the water injection pipe is fixed on the hoop and communicated into the expansion rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221942944.7U CN217811045U (en) | 2022-07-26 | 2022-07-26 | Double-barrelled slip casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221942944.7U CN217811045U (en) | 2022-07-26 | 2022-07-26 | Double-barrelled slip casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217811045U true CN217811045U (en) | 2022-11-15 |
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ID=83968505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221942944.7U Active CN217811045U (en) | 2022-07-26 | 2022-07-26 | Double-barrelled slip casting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217811045U (en) |
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2022
- 2022-07-26 CN CN202221942944.7U patent/CN217811045U/en active Active
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