CN213957206U - High-temperature rock water-meeting rapid cooling test device - Google Patents
High-temperature rock water-meeting rapid cooling test device Download PDFInfo
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- CN213957206U CN213957206U CN202022587324.3U CN202022587324U CN213957206U CN 213957206 U CN213957206 U CN 213957206U CN 202022587324 U CN202022587324 U CN 202022587324U CN 213957206 U CN213957206 U CN 213957206U
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Abstract
本实用新型提供一种高温岩石遇水快速冷却试验装置，属于地热资源开发及核废料处置等高温环境技术领域。该装置包括储水器、变频水泵、通水槽、三通阀、通水管及耐高温热电偶，利用自制循环水装置对加热后的岩石进行遇水快速冷却并实时测量高温岩石表面温度，本实用新型采用内外循环结合的方式，不仅使水流与高温岩石进行循环换热，同时试验装置中的内循环也对通水槽起到了降温作用，使通水槽迅速降为室温，保证了试验的精确度。本实用新型利用可循环水和可直接控制水流速的方法，对高温岩石进行遇水冷却，成本较低，制作简易，节省时间，大大提高试验效率和准确度，为地热开采模拟提供了基础实验数据支持，具备良好的行业应用前景。
The utility model provides a rapid cooling test device for high-temperature rocks in contact with water, which belongs to the technical field of high-temperature environment such as geothermal resource development and nuclear waste disposal. The device includes a water storage device, a variable frequency water pump, a water channel, a three-way valve, a water channel and a high temperature resistant thermocouple. The self-made circulating water device is used to rapidly cool the heated rock in contact with water and measure the surface temperature of the high temperature rock in real time. The new model adopts the combination of internal and external circulation, which not only makes the water flow and the high-temperature rock to exchange heat, but also the internal circulation in the test device also has a cooling effect on the water tank, so that the water tank can be quickly lowered to room temperature, which ensures the accuracy of the test. The utility model utilizes recyclable water and a method that can directly control the flow rate of water to cool high-temperature rocks with water, the cost is low, the production is simple, time is saved, the test efficiency and accuracy are greatly improved, and a basic experiment is provided for geothermal mining simulation. Data support, with good industry application prospects.
Description
Technical Field
The utility model relates to a high temperature environment technical field such as geothermal resource development and nuclear waste material are dealt with especially indicates a high temperature rock meets water and cools off test device fast.
Background
With the gradual depletion of shallow resources in China, resource exploitation starts to progress to deep parts of the earth. The development mode of geothermal resources is mostly a mining mode without taking water and the mode inevitably relates to the problem of rock thermal cracking of hot dry rocks when the hot dry rocks are cooled by water, so that the research on the water cooling of high-temperature rocks is particularly important. So to the rock behind the high temperature effect, how accurate simulation meets water cooling process, current test device mostly adopts the mode of water receiver non-flowing water or manual stirring water to cool off, and these two kinds of cooling methods can't guarantee that the water receiver temperature is close the room temperature and lead to experimental accuracy low, and adopt water pipe direct cooling, the flow that can't control water and running water temperature are less than the room temperature, so need one kind promptly and can guarantee to lead to the water trough temperature and be close the test device of room temperature and can control water velocity.
In view of the above problems, no effective solution has been proposed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a high temperature rock meets water quick cooling test device to solve ordinary water service tank normal water flow and carry out the heat exchange, take the heat to the water receiver, thereby make the problem that the water receiver temperature rises.
The device comprises a water receiver, a variable frequency water pump, a water tank, a three-way valve, a first water pipe, a second water pipe, a third water pipe, a power lead, a high temperature resistant thermocouple and a thermocouple data display, wherein the water receiver, the variable frequency water pump, the water tank, the three-way valve, the first water pipe, the second water pipe, the third water pipe and the power lead form a rock rapid cooling device, the high temperature resistant thermocouple and the thermocouple data display are rock surface temperature measuring devices, the variable frequency water pump is arranged in the water receiver, one end of the second water pipe penetrates through the water receiver to be connected with the variable frequency water pump, the other end of the second water pipe is connected with the water tank and the first water pipe through the three-way valve, the other end of the first water pipe is positioned in the water receiver, the other end of the water tank is connected with the third water pipe, the other end of the third water pipe is connected with the water receiver to form external circulating water, the high temperature resistant thermocouple is arranged in the water tank, the high-temperature resistant thermocouple is externally connected with a thermoelectric even data display, and one end of a power supply lead is connected with the variable-frequency water pump.
The working power of the water storage device is changed through the variable frequency water pump to provide different water pressures, the flow of water is adjusted according to test requirements, and the working conditions of different flows generated under different water pressures are simulated.
The second water pipe is connected with the water trough by a three-way valve, and one water outlet of the three-way valve is connected with the first water pipe and flows back to the water storage device, so that the water in the water storage device forms internal circulation, and the effect of cooling the water trough is achieved.
The water service trough is customized according to the test requirement, and the water service trough includes buckle, stopper and rock sample, connects high temperature resistant thermocouple through the buckle on the rock sample, sets up the stopper on the water service trough inner wall of rock sample low reaches.
The power supply lead adjusts the water flow of the variable frequency water pump to control the flow.
And the high-temperature-resistant thermocouple and the thermocouple data display are used for acquiring the surface temperature of the rock in the water passing tank in real time.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
the utility model discloses a mode that the inside and outside circulation combines not only makes rivers and high temperature rock carry out the heat transfer that circulates, and the inner loop among the testing arrangement has also played the cooling effect to the water service trough simultaneously for the water service trough fast falls to the room temperature, has guaranteed experimental accuracy. In addition, the frequency conversion water pump can simulate the working conditions of different flow rates generated under different water pressures, and more simulation parameters are provided for the test.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
FIG. 2 is a cross-sectional view of the device of the present invention;
FIG. 3 is a partial schematic view of a water trough in the process of cooling the high-temperature rock in water according to the present invention;
fig. 4 is a schematic diagram of an apparatus according to an embodiment of the present invention.
Wherein: 1-variable frequency water pump, 2-water storage device, 3-water trough, 4-three-way valve, 5-first water pipe, 6-second water pipe, 7-third water pipe, 8-power lead, 9-high temperature resistant thermocouple, 10-thermoelectric even data display, 1001-buckle, 301-stopper and 302-rock sample.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a high temperature rock meets water quick cooling test device.
As shown in figures 1 and 2, the device comprises a water storage device 2, a variable frequency water pump 1, a water trough 3, a three-way valve 4, a first water pipe 5, a second water pipe 6, a third water pipe 7, a power lead 8, a high temperature resistant thermocouple 9 and a thermocouple data display 10, wherein the water storage device 2, the variable frequency water pump 1, the water trough 3, the three-way valve 4, the first water pipe 5, the second water pipe 6, the third water pipe 7 and the power lead 8 form a rock rapid cooling device, the high temperature resistant thermocouple 9 and the thermocouple data display 10 are rock surface temperature measuring devices, the variable frequency water pump 1 is arranged in the water storage device 2, one end of the second water pipe 6 passes through the water storage device 2 and is connected with the variable frequency water pump 1, the other end is connected with the water trough 3 and the first water pipe 5 through the three-way valve 4, the other end of the first water pipe 5 is positioned in the water storage device 2, the other end of the water trough 3 is connected with the third water pipe 7, the other end of the third water passing pipe 7 is connected to the water receiver 2 to form external circulating water, the high-temperature thermocouple 9 is arranged in the water passing tank 3, the high-temperature thermocouple 9 is externally connected with a thermocouple data display 10, and one end of the power supply lead 8 is connected with the variable-frequency water pump 1.
As shown in fig. 4, the method includes the steps of:
(1) as shown in fig. 3, in the water trough 10, a stopper 301 is used to block a rock sample sliding with water flow at the time of high water flow, and the stopper 301 is as thin as possible to prevent changing the state of water flow; the high-temperature resistant thermocouple and the rock sample are fixed through a buckle 1001, and the buckle has the high-temperature and heat insulation characteristics; the rock sample 302 is a standard sample (50mm x 100mm), and the water trough 3 is customized according to the specification of the rock sample 302;
(2) as shown in fig. 4, a test stand with a proper height is selected, and the water storage device is fully filled with cold water and is placed for 24 hours, so that the water temperature is consistent with the room temperature;
(3) selecting a water pump with proper flow rate according to test requirements;
(4) the water outlet of the water pump is connected with the three-way valve through a water pipe and then connected with the water trough, and the other outlet of the three-way valve flows back to the water storage device through a water pipe to form internal circulation of water flow, so that the effect of manual stirring is achieved, the water temperature is kept at room temperature, and the test accuracy is greatly improved;
(5) the outlet end of the water trough flows back to the water storage device through a water pipe to form the external circulation of the whole cooling device, so that the effect of keeping the temperature of the water trough at room temperature is achieved;
(6) and selecting high-temperature-resistant thermocouple equipment, and collecting the temperature of the rock test block in real time according to test requirements.
Through the steps, the purpose of rapidly cooling and measuring the temperature of the high-temperature rock by using the circulated and controllable rapid cooling water can be realized, and the method has the advantages of cost, easiness in operation, saving and environmental protection.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022587324.3U CN213957206U (en) | 2020-11-10 | 2020-11-10 | High-temperature rock water-meeting rapid cooling test device |
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| CN202022587324.3U CN213957206U (en) | 2020-11-10 | 2020-11-10 | High-temperature rock water-meeting rapid cooling test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285154A (en) * | 2020-11-10 | 2021-01-29 | 北京科技大学 | An experimental device for rapid cooling of high-temperature rock in contact with water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285154A (en) * | 2020-11-10 | 2021-01-29 | 北京科技大学 | An experimental device for rapid cooling of high-temperature rock in contact with water |
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