CN115639138A - Rock damage test device under high temperature and acid solution flow coupling effect - Google Patents
Rock damage test device under high temperature and acid solution flow coupling effect Download PDFInfo
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- CN115639138A CN115639138A CN202211399220.7A CN202211399220A CN115639138A CN 115639138 A CN115639138 A CN 115639138A CN 202211399220 A CN202211399220 A CN 202211399220A CN 115639138 A CN115639138 A CN 115639138A
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 239000011435 rock Substances 0.000 title claims abstract description 53
- 239000002253 acid Substances 0.000 title claims abstract description 35
- 230000001808 coupling effect Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000243 solution Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 239000003929 acidic solution Substances 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 abstract description 15
- 238000011160 research Methods 0.000 abstract description 5
- 239000011449 brick Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The invention discloses a rock damage test device under the action of high temperature and acid solution flow coupling, which relates to the technical field of rock damage test equipment, and comprises a water tank and a rock test piece, and further comprises: feeding the solution into a tube; a furnace body shell; a controller; a test mechanism for simulating the flow of the acidic solution; a real-time variable high-temperature test mechanism is simulated. According to the invention, the acid solution flow rock damage test under the action of different pH values, different types of solutions and different flow rates can be carried out on the rock test piece by the set acid solution flow simulation test mechanism, the high-temperature damage test under different temperatures can be carried out on the rock test piece by the real-time variable high-temperature simulation test mechanism, the high-temperature damage test and the acid solution flow damage test can be carried out independently or simultaneously, and the problem that the rock damage test research under the coupling action of various extreme conditions cannot be realized by the existing test means is solved.
Description
Technical Field
The invention relates to the technical field of rock damage test equipment, in particular to a rock damage test device under the action of high temperature and acid solution flow coupling.
Background
The mountain traffic tunnel is usually threatened by fire accidents in the process of building or serving, and due to the concealment and long-term service of the mountain traffic tunnel, the damaged surrounding rock structure is reused after emergency repair. In recent years, extreme weather often attacks geotechnical engineering, such as acid rain, can cause underground water bodies in the area of mountain tunnels to be gradually acidified, and the acid underground water bodies can cause different degrees of damage to tunnel surrounding rocks. Therefore, the method has important research significance for researching the damage rule of tunnel surrounding rock under the influence of extreme disasters (tunnel fire and acidic water body erosion) by exploring the degradation condition of the rock under the real-time variable high temperature and acidic solution flow coupling action.
At present, most of researches only carry out damage research on rocks under the action of a single condition, and do not consider coupling multiple influence factors together, but test the damage, namely, firstly, processing one influence factor and then processing another influence factor, so that the multiple influence factors are not really coupled and considered together, and other influence factors can be introduced to cause distortion of a test result; meanwhile, the testing time is prolonged to a certain extent, and the testing efficiency is reduced. Therefore, a rock damage testing device under the coupling effect of high temperature and acidic solution flow is needed to solve the above problems.
Disclosure of Invention
The embodiment of the invention aims to provide a rock damage testing device under the flow coupling action of high temperature and acidic solution, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rock damage test device under high temperature and acid solution flow coupling effect, includes water tank and rock test piece, still includes:
the solution inlet pipe is communicated with the inside of the water tank;
the furnace body shell is connected with the water tank;
the controller is connected with the furnace body shell;
the acid solution flow simulation test mechanism is connected with the water tank at one end;
one end of the simulated real-time variable high-temperature testing mechanism is connected with the acidic solution testing mechanism, and the other end of the simulated real-time variable high-temperature testing mechanism is connected with the furnace body shell.
As a further scheme of the invention: the simulated acidic solution flow test mechanism comprises:
the self-priming booster pump is connected with the water tank, and the input end of the self-priming booster pump is communicated with the inside of the water tank;
one end of the water inlet pipeline is communicated with the output end of the self-priming booster pump;
the valve is arranged on the water inlet pipeline;
the high-temperature resistant glass container is arranged inside the furnace body shell, and the inside of the bottom end of the high-temperature resistant glass container is communicated with the inside of the other end of the water inlet pipeline;
the layered partition plates are arranged inside the high-temperature-resistant glass container and provided with a plurality of groups, and rock test pieces are placed on the layered partition plates;
and one end of the water return pipeline is communicated with the inside of the top end of the high-temperature resistant glass container, and the other end of the water return pipeline is communicated with the inside of the water tank.
As a further scheme of the invention: the simulation real-time variable high-temperature test mechanism comprises:
the heat-insulating layer is arranged inside the furnace body shell and is connected with the inner wall of the furnace body shell;
the high-temperature resistant hearth furnace is arranged inside the heat-insulating layer and is connected with the inner wall of the heat-insulating layer;
the resistance heating wires are arranged inside the high-temperature-resistant hearth furnace and are provided with a plurality of groups;
the metal corner bracket is connected with the high-temperature-resistant hearth furnace and is connected with a high-temperature-resistant glass container.
As a further scheme of the invention: the layered partition plate adopts a leakage net structure.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the acid solution flow rock damage test under the action of different pH values, different types of solutions and different flow rates can be carried out on the rock test piece by the set acid solution flow simulation test mechanism, the high-temperature damage test under different temperatures can be carried out on the rock test piece by the real-time variable high-temperature simulation test mechanism, the high-temperature damage test and the acid solution flow damage test can be carried out independently or simultaneously, and the problem that the rock damage test research under the coupling action of various extreme conditions cannot be realized by the existing test means is solved.
Drawings
FIG. 1 is a schematic structural diagram of a rock damage testing device under the action of flow coupling of a high temperature and an acidic solution in an embodiment of the invention.
FIG. 2 is a side view of a rock damage testing apparatus under the coupling effect of high temperature and acidic solution flow in an embodiment of the invention.
In the figure: 1. a water tank; 2. feeding the solution into a tube; 3. a self-priming booster pump; 4. a water inlet pipeline; 5. a valve; 6. a furnace body shell; 7. a heat-insulating layer; 8. a high temperature resistant hearth furnace; 9. a high temperature resistant glass container; 10. a layered partition plate; 11. a rock test piece; 12. a water return pipeline; 13. a controller; 14. resistance heating wires; 15. a metal angle frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the embodiment of the present invention, referring to fig. 1 to 2, a rock damage testing apparatus under the action of high temperature and acidic solution flow coupling includes a water tank 1 and a rock test piece 11, and further includes:
a solution inlet pipe 2 communicated with the inside of the water tank 1;
the furnace body shell 6 is connected with the water tank 1;
a controller 13 connected with the furnace body shell 6;
the acid solution flow simulation test mechanism is provided, and one end of the acid solution flow simulation test mechanism is connected with the water tank 1;
one end of the simulation real-time variable high-temperature test mechanism is connected with the acid solution test mechanism, and the other end of the simulation real-time variable high-temperature test mechanism is connected with the furnace body shell 6.
Placing rock test piece 11 in simulation acid solution flow test mechanism, different pH values, different types of acid solution enter pipe 2 from solution and get into inside water tank 1, controller 13 controls acid solution to get into simulation acid solution flow test mechanism with different velocity of flow, carry out acid solution flow rock damage test to rock test piece 11, controller 3 controls simulation real-time variable high temperature test mechanism and carries out damage test to rock test piece 11 under different temperatures, simulation acid solution flow test mechanism and simulation real-time variable high temperature test mechanism can test independently of each other, also can carry out rock damage test under the coupling to rock test piece 11 simultaneously.
Referring to fig. 1 to 2, as an embodiment of the present invention, the simulated acidic solution flow test mechanism includes:
the self-priming booster pump 3 is connected with the water tank 1, and the input end of the self-priming booster pump 3 is communicated with the inside of the water tank 1;
one end of the water inlet pipeline 4 is communicated with the output end of the self-priming booster pump 3;
the valve 5 is arranged on the water inlet pipeline 4;
the high-temperature resistant glass container 9 is arranged inside the furnace body shell 6, and the inside of the bottom end of the high-temperature resistant glass container 9 is communicated with the inside of the other end of the water inlet pipeline 4;
the layered partition plates 10 are arranged inside the high-temperature-resistant glass container 9, a plurality of groups of layered partition plates 10 are arranged, and rock test pieces 11 are placed on the layered partition plates 10;
and one end of the water return pipeline 12 is communicated with the inside of the top end of the high-temperature resistant glass container 9, and the other end of the water return pipeline is communicated with the inside of the water tank 1.
From inhaling booster pump 3 and taking out the inside acid solution of water tank 1, send into high temperature resistant glass container 9 through water intake pipe 4, valve 5 is adjusted the velocity of flow of acid solution, acid solution carries out acid solution flow damage test to rock test piece 11 on multilayer layering baffle 10 in getting into high temperature resistant glass container 9, acid solution gets back to water tank 1 inside through return water pipeline 12, a plurality of component layer baffle 10 divide rock test piece 11 into a plurality of parts, improve experimental accuracy.
Referring to fig. 1, as an embodiment of the present invention, the simulated real-time variable high temperature testing mechanism includes:
the heat preservation layer 7 is arranged inside the furnace body shell 6 and is connected with the inner wall of the furnace body shell 6;
the high-temperature-resistant hearth furnace 8 is arranged inside the heat-insulating layer 7 and is connected with the inner wall of the heat-insulating layer 7;
the resistance heating wires 14 are arranged inside the high-temperature-resistant hearth furnace 8, and a plurality of groups of resistance heating wires 14 are arranged;
and the metal corner bracket 15 is connected with the high-temperature-resistant hearth furnace 8 and is connected with the high-temperature-resistant glass container 9.
Referring to fig. 1, as an embodiment of the present invention, the layered partition board 10 adopts a mesh structure.
The layered partition plate 10 adopts a leakage net structure to ensure that the acid solution at the bottom of the high-temperature resistant glass container 9 can enter the top of the high-temperature resistant glass container 9 through the layered partition plate 10.
In an embodiment of the present invention, the material of the high temperature resistant hearth furnace 8 is alumina polycrystalline fiber.
The alumina polycrystalline fiber integrates the characteristics of crystal materials and fiber materials, and the use temperature reaches 1450 DEG C
The refractory brick has the advantages of-1600 ℃, 1840 ℃ of melting point, better heat resistance stability, 1/6 of heat conductivity of common refractory bricks, 1/25 of volume weight of common refractory bricks, 15-45% of energy saving rate, good heat resistance of a high-temperature resistant hearth furnace 8 made of alumina polycrystalline fibers, energy conservation and environmental protection.
The working principle of the invention is as follows: placing a rock test piece 11 on a layered partition plate 10, pumping an acid solution in a water tank 1 out by a self-priming booster pump 3, sending the acid solution into a high-temperature-resistant glass container 9 through a water inlet pipeline 4, adjusting the flow rate of the acid solution by a valve 5, enabling the acid solution to enter the high-temperature-resistant glass container 9 to perform an acid solution flow damage test on the rock test piece 11 on the multilayer layered partition plate 10, enabling the acid solution to return to the inside of the water tank 1 through a water return pipeline 12, and dividing the rock test piece 11 into a plurality of parts by the plurality of component layered partition plates 10, so that the test accuracy is improved;
the controller 13 controls the resistance heating wire 14 to work to generate heat, a high-temperature damage test is carried out on the rock test piece 11, the resistance heating wire 14 is controlled through the controller 13, the rock damage tests at different high temperatures can be carried out, and the heat insulation layer 7 is arranged to prevent heat loss;
the high temperature damage test and the acidic solution flow damage test can be performed separately or simultaneously.
Claims (5)
1. The utility model provides a rock damage test device under high temperature and acid solution flow coupling effect, includes water tank and rock test piece, its characterized in that still includes:
the solution inlet pipe is communicated with the inside of the water tank;
the furnace body shell is connected with the water tank;
the controller is connected with the furnace body shell;
one end of the simulated acidic solution flow test mechanism is connected with the water tank;
one end of the simulated real-time variable high-temperature testing mechanism is connected with the acidic solution testing mechanism, and the other end of the simulated real-time variable high-temperature testing mechanism is connected with the furnace body shell.
2. The apparatus for rock damage test under the coupling effect of high temperature and acidic solution flow according to claim 1, wherein the mechanism for simulating acidic solution flow test comprises:
the self-priming booster pump is connected with the water tank, and the input end of the self-priming booster pump is communicated with the inside of the water tank;
one end of the water inlet pipeline is communicated with the output end of the self-priming booster pump;
the valve is arranged on the water inlet pipeline;
the high-temperature resistant glass container is arranged inside the furnace body shell, and the inside of the bottom end of the high-temperature resistant glass container is communicated with the inside of the other end of the water inlet pipeline;
the layered partition plates are arranged inside the high-temperature-resistant glass container and provided with a plurality of groups, and rock test pieces are placed on the layered partition plates;
one end of the water return pipeline is communicated with the inside of the top end of the high-temperature resistant glass container, and the other end of the water return pipeline is communicated with the inside of the water tank.
3. The device for rock damage test under the action of flow coupling of high temperature and acidic solution according to claim 2, wherein the simulated real-time variable high temperature test mechanism comprises:
the heat insulation layer is arranged inside the furnace body shell and is connected with the inner wall of the furnace body shell;
the high-temperature resistant hearth furnace is arranged inside the heat insulation layer and is connected with the inner wall of the heat insulation layer;
the resistance heating wires are arranged inside the high-temperature-resistant hearth furnace and are provided with a plurality of groups;
the metal corner bracket is connected with the high-temperature-resistant hearth furnace and is connected with a high-temperature-resistant glass container.
4. The device for testing rock damage under the flow coupling effect of the high temperature and the acidic solution as claimed in claim 2, wherein the layered partition plate adopts a leaking net structure.
5. The device for testing rock damage under the flow coupling effect of the high-temperature and acidic solution as claimed in claim 3, wherein the high-temperature resistant hearth furnace is made of alumina polycrystalline fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211399220.7A CN115639138A (en) | 2022-11-09 | 2022-11-09 | Rock damage test device under high temperature and acid solution flow coupling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211399220.7A CN115639138A (en) | 2022-11-09 | 2022-11-09 | Rock damage test device under high temperature and acid solution flow coupling effect |
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| CN115639138A true CN115639138A (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211399220.7A Pending CN115639138A (en) | 2022-11-09 | 2022-11-09 | Rock damage test device under high temperature and acid solution flow coupling effect |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009056418A (en) * | 2007-08-31 | 2009-03-19 | Central Res Inst Of Electric Power Ind | Reaction apparatus for reacting rocks with liquid |
| JP2009056417A (en) * | 2007-08-31 | 2009-03-19 | Central Res Inst Of Electric Power Ind | Reaction apparatus useful for reaction of rocks immersed in liquid |
| CN109682937A (en) * | 2019-03-04 | 2019-04-26 | 中国科学院地球化学研究所 | A kind of large cavity high temperature and pressure gas liquid two-phase flow experimental provision and experimental method |
| CN110320104A (en) * | 2019-07-08 | 2019-10-11 | 山东大学 | It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method |
| CN209513552U (en) * | 2018-12-04 | 2019-10-18 | 北京科技大学 | A kind of rock water chemistry soak test device of temperature-controllable |
| CN112198055A (en) * | 2020-10-13 | 2021-01-08 | 重庆交通大学 | Rock degradation testing device under dynamic water-stress coupling effect and testing method thereof |
| CN113155699A (en) * | 2021-04-09 | 2021-07-23 | 大连海事大学 | Rock statistical damage calculation method under combined action of heat, water and force and application thereof |
| CN114383952A (en) * | 2022-01-21 | 2022-04-22 | 重庆大学 | Multi-field coupled rock mass degradation simulation test system and test method |
| CN114563337A (en) * | 2022-03-02 | 2022-05-31 | 武汉科技大学 | Rock immersion test device with adjustable state |
-
2022
- 2022-11-09 CN CN202211399220.7A patent/CN115639138A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009056418A (en) * | 2007-08-31 | 2009-03-19 | Central Res Inst Of Electric Power Ind | Reaction apparatus for reacting rocks with liquid |
| JP2009056417A (en) * | 2007-08-31 | 2009-03-19 | Central Res Inst Of Electric Power Ind | Reaction apparatus useful for reaction of rocks immersed in liquid |
| CN209513552U (en) * | 2018-12-04 | 2019-10-18 | 北京科技大学 | A kind of rock water chemistry soak test device of temperature-controllable |
| CN109682937A (en) * | 2019-03-04 | 2019-04-26 | 中国科学院地球化学研究所 | A kind of large cavity high temperature and pressure gas liquid two-phase flow experimental provision and experimental method |
| CN110320104A (en) * | 2019-07-08 | 2019-10-11 | 山东大学 | It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method |
| CN112198055A (en) * | 2020-10-13 | 2021-01-08 | 重庆交通大学 | Rock degradation testing device under dynamic water-stress coupling effect and testing method thereof |
| CN113155699A (en) * | 2021-04-09 | 2021-07-23 | 大连海事大学 | Rock statistical damage calculation method under combined action of heat, water and force and application thereof |
| CN114383952A (en) * | 2022-01-21 | 2022-04-22 | 重庆大学 | Multi-field coupled rock mass degradation simulation test system and test method |
| CN114563337A (en) * | 2022-03-02 | 2022-05-31 | 武汉科技大学 | Rock immersion test device with adjustable state |
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Application publication date: 20230124 |