CN216525286U - Device for detecting water scouring resistance of geopolymer grouting material - Google Patents
Device for detecting water scouring resistance of geopolymer grouting material Download PDFInfo
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- CN216525286U CN216525286U CN202121982671.4U CN202121982671U CN216525286U CN 216525286 U CN216525286 U CN 216525286U CN 202121982671 U CN202121982671 U CN 202121982671U CN 216525286 U CN216525286 U CN 216525286U
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Abstract
The utility model discloses a device for detecting the water scouring resistance of a geopolymer grouting material, which comprises a pressure pump, a polymer slurry bin, a water tank and a detection water tank, wherein a flow equalizing bin is arranged at one end of the detection water tank, the pressure pump is connected with the polymer slurry bin to enable polymers in the polymer slurry bin to flow into the detection water tank above the flow equalizing bin, and the pressure pump is connected with the water tank to enable liquid in the water tank to flow into the flow equalizing bin. The novel inspection of the water scouring resistance that has realized the slip casting material of this experiment, the running water condition of the different velocity of flow of simulation that can be better combines the groundwater environment of adopting empty filling district, and the optimization adjustment of the ratio parameter of geopolymer slip casting material of being convenient for avoids a large amount of slip casting materials to be washed away by rivers, has reduced engineering cost and wasting of resources.
Description
Technical Field
The utility model relates to a water scour resistance experiment device, in particular to an experiment device for detecting the water scour resistance of a geopolymer grouting material.
Background
The geopolymer is a three-dimensional network polymeric gelled material which is formed by mineral condensation polymerization under high alkaline conditions and consists of silicon-oxygen tetrahedron and aluminum-oxygen tetrahedron by using natural minerals or solid wastes and artificial silicon-aluminum compounds as raw materials. Compared with portland cement, geopolymer has the advantages of rich material source, simple preparation process, low production power consumption, low three waste discharge, high strength, high durability, easily available raw materials, low cost, etc. Therefore, in recent years, relevant scholars at home and abroad develop a series of researches on the application of geopolymer to goaf filling and grouting materials. The geopolymer prepared by the solid wastes such as the fly ash, the coal gangue and the like is often used for goaf treatment, so that the goaf activation problem is solved, and a large amount of mine solid wastes are digested. With the continuous and deep research and application of geopolymer preparation technology, geopolymers gradually become a hotspot of the research of novel green cementing materials at home and abroad, and the geopolymer prepared grouting material has great development prospect for replacing cement in the traditional grouting material.
However, in the actual filling and grouting engineering of the goaf, a large amount of old goaf water exists in the goaf, and the geopolymer gel material is very easy to wash and dilute or wash away during underwater grouting and cannot stably generate polymerization reaction, so that the filling strength is poor. Therefore, the grouting material needs to be subjected to a scouring resistance test before grouting filling, and the scouring resistance of the geopolymer grouting material is researched under different flow rates, so that proportioning parameters can be modified in a targeted manner, and the requirement of gel scouring resistance is met.
SUMMERY OF THE UTILITY MODEL
In order to research the practical application problem, the utility model provides the experimental device capable of quickly detecting the water scouring resistance of the grouting material, and the experimental device is high in working efficiency, simple in structure, simple and convenient to operate, economical and practical.
The utility model realizes the purpose through the following technical scheme, and the device for detecting the water scouring resistance of the geopolymer grouting material comprises a pressure pump, a polymer slurry bin, a water tank and a detection water tank, wherein a flow equalizing bin is arranged at one end of the detection water tank, the pressure pump is connected with the polymer slurry bin to enable polymers in the polymer slurry bin to flow into the detection water tank above the flow equalizing bin, and the pressure pump is connected with the water tank to enable liquid in the water tank to flow into the flow equalizing bin.
As the improvement, the other end that detects the basin is equipped with waste liquid water conservancy diversion mouth, still includes the laboratory bench, it sets up on the laboratory bench to detect the basin, the other end of waste liquid water conservancy diversion mouth is equipped with the waste liquid and collects the storehouse, waste liquid water conservancy diversion mouth is located the top in waste liquid collection storehouse.
As an improvement, the flow equalizing bin is a trapezoidal flowing cavity, a plurality of drainage plates are arranged in the flow equalizing bin, four drainage plates are arranged in a first row in the flow equalizing bin along the direction of the water tank, water flow in the water pipe is dispersed, six drainage plates are arranged in a second row, water flow is further uniformly dispersed, a water channel is formed, and the purpose of uniform flow velocity of the water flow in the water tank is achieved.
As an improvement, the flow equalizing bin is connected with the water tank through a water pipe, a flowmeter and a pressure gauge are arranged on the water pipe, and the water pipe is connected with the side, with the smaller length, of the flow equalizing bin.
As an improvement, a funnel stand is arranged on the detection water tank, a grouting hopper is arranged on the funnel stand, the grouting hopper is close to the flow equalizing bin, and the grouting hopper is located above the detection water tank.
As an improvement, a slurry conveying pipe is arranged on the polymer slurry bin and extends to the upper part of the grouting hopper, so that the polymer in the polymer slurry bin flows into the grouting hopper.
As an improvement, the tail collecting opening of the detection water tank forms an included angle of 30 degrees with the bottom surface, the tail part is narrowed, and waste liquid is convenient to discharge.
As an improvement, the tail end of the slurry conveying pipe is provided with a feeding hopper, and the bottom of the feeding hopper is provided with a feeding valve used for controlling feeding.
Compared with the prior art, the experimental device has the advantages that the water scouring resistance test of the grouting material is realized, the experimental device can better simulate flowing water conditions with different flow rates, the underground water environment of a mined-out filling area is combined, the optimization and adjustment of the proportioning parameters of the geopolymer grouting material are facilitated, and the large amount of grouting material is prevented from being washed away by water flow, so that the construction cost is remarkably increased and huge waste of resources is avoided.
Drawings
FIG. 1 is a schematic structural diagram of an experimental apparatus for testing the water scouring resistance of a geopolymer grouting material of the utility model.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is an internal view of B in fig. 1.
Labeled as:
1. a pressure pump; 2. a geopolymer slurry bin; 3. a water tank; 4. a slurry delivery pipe; 5. a flow meter; 6. a water pipe; 7. detecting a water tank; 8. a laboratory bench; 9. a waste liquid collecting bin; 10. a pressure gauge; 11. a flow equalizing bin; 12. grouting buckets; 13. a funnel stand; 14. a feed valve; 15. a waste liquid diversion port; 16. a drainage plate; 17. a feed hopper.
Detailed Description
The following describes a device for detecting the water scouring resistance of the geopolymer grouting material in detail with reference to the accompanying drawings.
With reference to the attached drawing, the device for detecting the water scouring resistance of the geopolymer grouting material comprises a pressure pump 1, a polymer slurry bin 2, a water tank 3 and a detection water tank 7, wherein a flow equalizing bin 11 is arranged at one end of the detection water tank 7, the pressure pump 1 is connected with the polymer slurry bin 2 to enable the polymer in the polymer slurry bin 2 to flow into the detection water tank 7 above the flow equalizing bin 11, and the pressure pump 1 is connected with the water tank 3 to enable the liquid in the water tank 3 to flow into the flow equalizing bin 11.
The other end that detects basin 7 is equipped with waste liquid water conservancy diversion mouth 15, still includes laboratory bench 8, it sets up on laboratory bench 8 to detect basin 7, the other end of waste liquid water conservancy diversion mouth 15 is equipped with the waste liquid and collects storehouse 9, waste liquid water conservancy diversion mouth 15 is located the top that storehouse 9 was collected to the waste liquid.
The storehouse 11 of flow equalizing is trapezoidal flow cavity, it contains a plurality of drainage plates 16 in the storehouse 11 to flow equalize, first row arranges four drainage plates 16 along the basin direction in the storehouse 11 of flow equalizing, disperses the rivers in the water pipe 6, and the second row sets up six drainage plates 16, and further homodisperse rivers form the water course, reach the purpose of the interior rivers velocity of flow homogeneity of basin.
The flow equalizing device is characterized in that the flow equalizing bin 11 is connected with the water tank 3 through a water pipe 6, a flowmeter 5 and a pressure gauge 10 are arranged on the water pipe 6, and the water pipe 6 is connected with the flow equalizing bin 11 on the side with smaller length.
The detection water tank 7 is provided with a funnel frame 13, the funnel frame 13 is provided with a grouting hopper 12, the grouting hopper 12 is close to the flow equalizing bin 11, and the grouting hopper 12 is located above the detection water tank 7.
The polymer slurry bin 2 is provided with a slurry conveying pipe 4, and the slurry conveying pipe 4 extends to the upper part of the grouting hopper 12, so that the polymer in the polymer slurry bin 2 flows into the grouting hopper 12.
The tail collecting opening of the detection water tank 7 forms an included angle of 30 degrees with the bottom surface, the tail part is narrowed, and waste liquid is convenient to discharge.
The end of the slurry conveying pipe 4 is provided with a feeding funnel 17, and the bottom of the feeding funnel 17 is provided with a feeding valve 14 for controlling feeding.
When the utility model is implemented, a water tank switch of the pressure pump is firstly turned on, the pressure gauge is adjusted by controlling the flow meter, so that water in the water tank enters the flow equalizing bin through the water pipe at a certain flow rate, and the water inflow of the detection water tank is dispersed by using the drainage plate in the flow equalizing bin, uniformly covers the water tank and flows forwards. And then mixing the reaction excitant of the geopolymer and the raw material and adding the mixture into a geopolymer slurry bin, opening a slurry bin switch of a pressurizing pump, injecting the slurry into a grouting hopper through a delivery pipe, opening a control valve at the bottom of a funnel when the geopolymer grouting material reaches a gel state of grouting, so that the geopolymer is injected into a detection water tank, the gel geopolymer is accumulated and attached to the bottom surface of the water tank, and the slurry which is not in gel state flows into a waste liquid collecting bin through a waste liquid diversion port along with water flow. When the geopolymer slurry is completely injected into the water tank and the effluent liquid contains no gel geopolymer, the water tank is closed and the water in the detection water tank is discharged. And then, measuring the thickness of the gel at different positions in the water tank, weighing the mass of the gel remained in the water outlet tank, and calculating the remaining rate of the solidification body in the water tank, so that the water scouring resistance of the geopolymer grouting material can be evaluated.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A device for detecting the water scouring resistance of geopolymer grouting materials is characterized in that: including force (forcing) pump (1), polymer thick liquids storehouse (2), water tank (3), detection basin (7), the one end of detecting basin (7) is equipped with the storehouse (11) of flow equalizing, force (forcing) pump (1) and polymer thick liquids storehouse (2) are connected and are made the polymer in polymer thick liquids storehouse (2) flow in to detect basin (7) and be close to the top in the storehouse (11) of flow equalizing, force (forcing) pump (1) and water tank (3) are connected and are made the liquid in water tank (3) flow in to the storehouse (11) of flow equalizing.
2. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 1, wherein: the other end that detects basin (7) is equipped with waste liquid water conservancy diversion mouth (15), still includes laboratory bench (8), it sets up on laboratory bench (8) to detect basin (7), the other end of waste liquid water conservancy diversion mouth (15) is equipped with waste liquid and collects storehouse (9), waste liquid water conservancy diversion mouth (15) are located the top that waste liquid collected storehouse (9).
3. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 1, wherein: the flow equalizing device is characterized in that the flow equalizing bin (11) is a trapezoidal flowing cavity, a plurality of drainage plates (16) are contained in the flow equalizing bin (11), four drainage plates (16) are arranged in a first row in the flow equalizing bin (11) along the direction of a water tank, and six drainage plates (16) are arranged in a second row.
4. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 3, wherein: connect through water pipe (6) between storehouse (11) and the water tank (3) flow equalizes, be equipped with flowmeter (5) and manometer (10) on water pipe (6), water pipe (6) are connected and are flow equalized on one side that storehouse (11) length is less.
5. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 1, wherein: the detection water tank is characterized in that a funnel frame (13) is arranged on the detection water tank (7), a grouting hopper (12) is arranged on the funnel frame (13), the grouting hopper (12) is close to the flow equalizing bin (11), and the grouting hopper (12) is located above the detection water tank (7).
6. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 5, wherein: the polymer slurry bin (2) is provided with a slurry conveying pipe (4), the slurry conveying pipe (4) extends to the upper part of the grouting hopper (12), and the polymer in the polymer slurry bin (2) flows into the grouting hopper (12).
7. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 1, wherein: the tail collecting opening of the detection water tank (7) forms an included angle of 30 degrees with the bottom surface, and the tail part is narrowed.
8. The device for detecting the water scouring resistance of the geopolymer grouting material as claimed in claim 6, wherein: the slurry conveying pipe (4) is provided with a feeding hopper (17) at the tail end, and a feeding valve (14) for controlling feeding is arranged at the bottom of the feeding hopper (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982671.4U CN216525286U (en) | 2021-08-23 | 2021-08-23 | Device for detecting water scouring resistance of geopolymer grouting material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121982671.4U CN216525286U (en) | 2021-08-23 | 2021-08-23 | Device for detecting water scouring resistance of geopolymer grouting material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296957A (en) * | 2023-02-13 | 2023-06-23 | 哈尔滨工业大学重庆研究院 | A disassembled test device for testing the anti-scouring performance of grouting materials under the action of dynamic water |
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2021
- 2021-08-23 CN CN202121982671.4U patent/CN216525286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296957A (en) * | 2023-02-13 | 2023-06-23 | 哈尔滨工业大学重庆研究院 | A disassembled test device for testing the anti-scouring performance of grouting materials under the action of dynamic water |
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